Question1: Traffic policing usually uses which of the following QoS technologies?
Question2: Which of the following technologies are available for traffic shaping? (Choose two.)
Question3: In a route-policy, which BGP attributes can be used to define apply clauses? (Choose three.)
Question4: If the hold timers in the Open messages sent from BGP Peer A and Peer B are 180s and 90s respectively, what is the interval at which Keepalive messages are sent after Peer A and Peer B have established a BGP peer relationship?
Question5: Generally, the performance of an IP-prefix-filter is higher than that of an ACL.
Question6: In addition to traffic rate limit, the CAR can mark packets with colors. If one token bucket & one-rate is used in traffic policing and the number of tokens is insufficient, packets are marked with which of the following color?
Question7: The NAT multi-instance function on the Eudemon independently maintains a NAT table for each instance to provide address translation services for instances.
Question8: Virtual firewalls on the Eudemon are not allowed to access each other by default unless a security policy is specified.
Question9: The Eudemon that is working in transparent mode detects processes data at Layer 2. Its interfaces are not configured with IP addresses.
Question10: Which of the connection types that Router LSA can describe? (Choose three.)
Question11: What is the legal virtual MAC address in VRRP?
Question12: ICMP packets are sent in a Smurf attack and UDP packets are sent in a Fraggle attack.
Question13: Which of the following statements is not the advantage of STP?
Question14: QoS in best-effort service mode uses which of the following queue scheduling technology?
Question15: Which of the following statements about multicast MAC addresses are true? (Choose three.)
Question16: Which of the following data traffic is incoming data traffic on the Eudemon? (Choose two.)
Question17: Which of the attributes must exist in the BGP Update messages? (Choose three.)
Question18: What are the similarities of DHCP and BOOTP? (Choose two.)
Question19: BGP is an exterior gateway protocol which runs among ASs. It focuses on routes control and selection of optimal routes rather than discovery and calculation of routes.
Question20: Which statement about OSPF is false?
Question21: Which of the following queue scheduling technology can achieve better fairness?
Question22: Which type of BGP route will be added to the BGP routing table?
Question23: Which of the following statements about VRRP are true? (Choose three.)
Question24: Assume that the following WRED policies are used in QoS:
The length of the queue for saving DSCP packets with the priority being AF21 ranges from 35 to 40.
The length of the queue for saving DSCP packets with the priority being AF22 ranges from 30 to 40.
The length of the queue for saving DSCP packets with the priority being AF23 ranges from 25 to 40.
In the case of congestion, DSCP packets with which of the following priority value will be discarded first?
Question25: Which of the following statements are correct regarding VRRP advertisement message?
Question26: According to the OSI reference model, Layer 2 LAN switch operates at Q.
Question27: IP addresses added to the blacklist of the Eudemon cannot be deleted.
Question28: Which parameters are carried in a BGP Open message? (Choose three.)
Question29: Based on BGP route selection rules, the route with the smallest MED value is preferred.
Question30: None Stop Forwarding (NSF) is an important HA technology. It keeps neighbor relationships unchanged even in the case of a fault in the control plane of the router, protecting key services on the network from interruption.
Question31: When two Eudemons are working in dual-system hot backup mode, their session tables are backed up in real time.
Question32: To provide services of different qualities, you can classify services based on such packet information as the packet priority, source IP address, destination IP address, and port number. Which of the following QoS technology can be used to service classification?
Question33: The NSF function takes effect only after the GR function is enabled on two directly connected routers that use static routes for communication between users in different network segments.
Question34: Simple traffic classification in QoS classifies packets based on the 5-tuple information, including the source IP address, source port number, protocol number, destination IP address, and destination port number.
Question35: A company has four departments. Department A has 80 PCs, Departments B and C both have 20 PCs, and Department D has 30 PCs. Assuming the IP address 192.168.1.0/x is used, which of the following statements are true if the VLSM technology is used to divide subnets? (Choose two.)
Question36: An ACL is used to match routing information or data packet addresses so as to filter out the unmatched routing information or data packets.
Question37: If different routing protocols run on different networks and these networks need to share routing information, route importing can be used.
Question38: Each STP switch has a unique switch ID. Which two entries does the switch ID contain?
Question39: Which of the following statements about different detection intervals at both ends of a BFD session is true?
Question40: Which of the following are disadvantages of the traditional tail drop mechanism? (Choose three.)
Question41: Divide the network by using VLAN can (). (Choose two.)
Question42: In the network diagram, which switch will be selected as the root switch?
Question43: Which of the following is not the BFD fault detection mode?
Question44: An Autonomous System (AS) is a set of routers under a single technical administration, using the same routing policy.
Question45: The multi-channel protocol is used to establish at least two channels (sessions) for communications or services.
Question46: Which of the following statements is false?
Question47: How many hosts are available per subnet if you apply a /21 mask to the class B network?
Question48: Assume that congestion occurs on the outbound interface, packet A is cached in the PQ, and packet B is cached in the WFQ, which of the following statement about packet scheduling is true?
Question49: By default, what are the LOCAL_PREF and PREFERRED-VALUE in VRP system?
Question50: Which of the following statements about the firewall technology are true? (Choose three.)
Question51: The reliability of a product or a system is generally evaluated with the two indicators of Mean Time to Repair (MTTR) and Mean Time Between Failures (MTBF).
Question52: Which of the following statement about QoS in DiffServ mode is false?
Question53: Which of the following NAT functions are supported by the Eudemon? (Choose three.)
Question54: The dynamic LACP requires devices at both ends to exchange protocol packets, while the static LACP does not require so.
Question55: Which following BGP attribute can used to define a set of prefixes with the same characteristics?
Question56: Which of the following statements are correct regarding default gateway of PC in the network running VRRP?
Question57: None Stop Forwarding (NSF) is an important high availability (HA) technology. It ensures the normal data forwarding even in the case of a fault in the control plane of the router, protecting key services on the network from interruption.
Question58: What is the range of VLAN IDs?
Question59: What is the function of well-known community attribute NO_EXPORT_SUBCONFED in BGP?
Question60: Which of the following is the priority value of the DMZ on the Eudemon?
Question61: The BGP Community attribute is a well-known mandatory attribute.
Question62: Which of the following statements about the security policies for the Eudemon are true? (Choose two.)
Question63: How many user-defined security zones at most are configured on an Eudemon?
Question64: Based on BGP route selection rules, the route with the lowest Local-Preference is preferred.
Question65: Two Eudemons in dual-system hot backup can be working in Active-Active mode or Active-Standby mode.
Question66: Which TCP port is used by BGP?
Question67: Which of the following statements are false? (Choose three.)
Question68: What is the Origin attribute of the BGP route that is imported by using the import-route command?
Question69: What is the maximum number of security zones supported by the Eudemon?
Question70: In BGP, which type of message is periodically exchanged between BGP peers to maintain a BGP peer relationship?
Question71: Assume that the VRID of a VRRP virtual router is 100 and the virtual IP address of the virtual router is
192.168.1.1, which of the following addresses is the virtual MAC address of the virtual router?
Question72: BFD detects the link status immediately after a BFD session is set up. If BFD parameters are modified or deleted at one end of the BFD session, the other end will consider such a modification or deletion as a fault and services will be then affected. Therefore, exercise caution when modifying or deleting BFD parameters.
Question73: What are the functions of route filtering? (Choose three.)
Question74: Which of the following addresses is the destination address of VRRP packets?
Question75: In OSPF protocol, which of the following elements are used by Network LSA to describe broadcast network segment or NBMA network segment? (Choose three.)
Question76: In which of the following modes can the Eudemon be working? (Choose three.)
Question77: A BFD session is set up following the three-way handshake during which parameters for the BFD session are negotiated. After the BFD session is set up, modifying the detection time parameters does not take effect.
Question78: Which of the following protocols support default route advertisement by using commands? (Choose three.)
Question79: STP elects ( )
Question80: 
As shown in the figure, when the STP network runs properly, which device does the designated port of LANC reside?
Question81: Which statements about BGP route advertisement are true? (Choose two.)
Question82: Which statements about the MED attribute are true? (Choose three.)
Question83: Which of the following can speed up OSPF fast convergence? (Choose two.)
Question84: How many port states are defined by STP?
Question85: Which of the following statements about VRRP are true? (Choose three.)
Question86: RSTP adopts fast convergence mechanism. So, there is no Forward Delay interval in RSTP.
Question87: Which of the following statements are correct regarding VRRP?
Question88: The Eudemon supports load balancing between multiple uplinks.
Question89: Which of the following attacks can Eudemon defend against? (Choose three.)
Question90: In OSPF protocol, which of the following elements are used to describe one link? (Choose three.)
Question91: What are the functions of DHCP snooping? (Choose three.)
Question92: Whatever changes occur in the BGP routing table, a BGP Speaker advertises all the optimal routes in the BGP routing table to its BGP peer.
Question93: Which of the following statements about a backup router in a VRRP backup group are true? (Choose three.)
Question94: When a client applies for an IP address through DHCP, which message is the unicast message?
Question95: Which of the following statements about the jitter and delay are true? (Choose three.)
Question96: What is the POP action in MPLS?
Question97: What are the types of DDoS attacks? (Choose three.)
Question98: Which BGP attributes are optional in a BGP Update packet? (Choose two.)
Question99: OSPF uses SPF algorithm to calculate SPF tree according to topology. Which of the following statements are correct regarding SPF tree node? (Choose two.)
Question100: Which of the following statements about link aggregation are true? (Choose three.)
Question101: According to OSI reference model, Layer 2 LAN switch operates at ( ).
Question102: WFQ can effectively control the delay and jitter by means of configuring weights for different services.
Question103: Which of the following solutions effectively defend against ARP attacks? (Choose three.)
Question104: If the lease of a client IP address is not extended after 87.5% of the lease is reached, which message is used by the client to extend the IP address lease?
Question105: When recovering from a fault, the active link in a Smart Link group remains blocked and traffic is not switched back to it. In this way, traffic keeps stable.
Question106: Which of the following statements are correct regarding MAC address of VRRP packet?
(Choose two.)
Question107: MPLS is a switching standard defined by the IETF. Which device adds or deletes labels?
Question108: The default-route originate command in the RIP protocol is used to advertise a default RIP route to peers.
By using this command, which of the following attributes can be set for the default route?
Question109: The preceding information is generated after a router receives a Report message from group 225.0.0.1 through Ethernet 6/1/0.
Which type of Report message will not be processed by the router?
Question110: How does a BGP router process the received route whose next hop is unreachable?
Question111: Assume that there are four flows a, b, c, and d, the transmission rate of each flow is 50 Mbit/s, and the total bandwidth of the interface for flow transmission is 100 Mbit/s. In the case of congestion, WFQ is available for flows a, b, c, and d, with the weight proportion being 1:2:3:4. Which of the following statement about the interface bandwidth allocated to each flow is true?
Question112: Which statement about BGP is false?
Question113: In the scenario where packets are sent and received along different paths, which of the following functions needs to be disabled on the firewall?
Question114: Assume that the VRID of a VRRP virtual router is 100 and the virtual IP address of the virtual router is
192.168.1.1, which of the following addresses is the virtual MAC address of the virtual router?
Question115: Which of the following attacks are DDoS attacks? (Choose four.)
Question116: What kind of the BGP attributes does AS-Path attribute belong to? (Choose two.)
Question117: Availability identifies the utility of a system. The availability of the system increases if the MTBF decreases or the MTTR increases.
Question118: An IP network can provide various packet forwarding services. Users are concerned about which of the following during packet forwarding? (Choose three.)
Question119: QoS can be performed in which of the following modes? (Choose three.)
Question120: Which statements about the AS number range are true? (Choose three.)
Question121: Which method is used to establish session between the BGP peers?
Question122: Which of the following attacks are prevented after an IP address and MAC address are bound on the Eudemon? (Choose two.)
Question123: If you have run the dot1x port-method command with the port parameter specified (port-based 802.1x authentication), the maximum number of users on an interface changes to 1. In this case, which statements are true? (Choose two.)
Question124: You cannot set an aging time for the blacklist of the USG.
Question125: Which statements about guest VLAN configuration are true? (Choose three.)
Question126: Which of the following statements about the master router in a VRRP backup group are true? (Choose three.)
Question127: Which of the following authentication modes does VRRP use? (Choose three.)
Question128: Which of the following statements are correct regarding the function of VRRP?
Question129: The NAT function enabled on the Eudemon does not greatly affect system performance.
Question130: The core of the MPLS technology is label switching.
Question131: Assume that the traceroute test is used to detect the packet forwarding path and tracert packets have passed through the firewall. Which of the following attack protection functions needs to be disabled to normally display the tracert result?
Question132: Which of the following statements is false?
Question133: RTA connected to a LAN by e0/0 whose IP address is 10.1.1.251 and network Mask is 255.255.255.0.
Now create a virtual router with ID 1 and virtual IP address 10.1.1.254 on RTA. Which of the following commands are correct?
Question134: Which of the following statements are correct regarding Master in VRRP? (Choose two.)
Question135: Assume that the WRED policy for packets with the priority of AF21 is that the length of the queue for saving packets ranges from 35 to 40, and the discarding percentage is 50%. When a packet with the priority being AF21 arrives, which of the following statements are true? (Choose three.)
Question136: Which of the following statements about the VRRP authentication is false?
Question137: Most fields in IP headers of packets in the same data flow are identical. You can compress these fields to improve the link transmission efficiency.
Question138: Based on specific rules, traffic classification identifies packets having the same characteristics. Traffic classification is the prerequisite and basis for differentiated services.
Question139: Which of the following BGP routing policies can be used to filter routes? (Choose two.)
Question140: Based on fields IP precedence, MPLS EXP, or 802.1p, packets can be classified into how many service types?
Question141: Which command must be configured to establish a BGP peer relationship between indirectly connected EBGP peers?
Question142: A failure in establishing a BGP peer relationship can be addressed by checking the TCP connectivity and BGP peer configurations.
Question143: What is the function of DHCP Offer messages?
Question144: BGP is an inter-AS routing protocol. Which statements about BGP are true? (Choose three.)
Question145: What about all outgoing labels in the label forwarding table of a device for different routes with the same next hop?
Question146: Which BGP attribute is not a well-known mandatory attribute?
Question147: The option field in DHCP messages uses the CLV mode.
Question148: Simple traffic classification can be performed based on which of the following information in VLAN packets?
Question149: Which statements about VLAN allocation are true? (Choose three.)
Question150: Which of the following technologies can reduce the scale of broadcast domain?
Question151: In traffic policing using two token buckets & two-rate, when the CIR is set to 1 Mbit/s and the PIR is set to 2 Mbit/s, what is the maximum transmission rate for the traffic in green?
Question152: The Origin attribute of the BGP route that is imported by using the network command is IGP.
Question153: In OSPF, the process of calculating shortest path tree can be divided into two phases, calculate Transit node first, then calculate Stub network.
Question154: On an STP network, after the network topology changes, which BPDUs are sent during flooding of topology change information on the entire network?
Question155: Which of the following statement about the jitter and delay is false?
Question156: In traffic shaping, the packet whose transmission rate exceeds the rate limit will be discarded or re-marked.
Question157: The Committed Access Rate (CAR) technology uses the token bucket (TB) to control traffic.
Question158: Which of the following packet drop policies can be applied to the congestion avoidance mechanism?
(Choose three.)
Question159: Network address translation (NAT) translates only IP address information.
Question160: Which of the following commands is used to display the detailed information about the Eudemon?
Question161: Which encapsulation mode is used for DHCP messages?
Question162: The Eudemon can control traffic and connections based on IP addresses.
Question163: What is private AS number?
Question164: The network 154.27.0.0 without any subnet can support() hosts?
Question165: Which of the following statements about the mVRRP backup group are true? (Choose three.)
Question166: Which LSA is used by OSPF to implement GR?
Question167: Which of the following route selection mechanisms can adopt user-defined policies to determine data forwarding paths flexibly based on ACLs or packet lengths?
Question168: In which state have BGP peers not established any connection and not initiated a connection request?
Question169: Which of the following statements about a neighbor state machine is true?
Question170: Which statements about DHCP snooping are true? (Choose three.)
Question171: Which of the following statements about NAT are true? (Choose three.)
Question172: A BGP finite state machine has the following states:
Active
OpenConfirm
Idle
Establish
OpenSent
What is the state transition sequence in which the BGP peer relationship is established?
Question173: During the GR of dynamic routing protocols (such as OSPF and BGP) neighbor relationships remain unchanged.
Question174: The traditional packet loss policy uses the Tail-Drop method.
Question175: If a router receives two BGP routes (M and N) that contain the following attributes,
Which route is the optimal route based on BGP route selection rules?
Question176: What is the function for the command "InterfaceVlan-interface Vlan-ID"?
Question177: By using VRRP, the backup router in a VRRP backup group immediately becomes the master router after detecting a fault and instructs its attached hosts to perform a master/slave switchover accordingly. This ensures that services will recover within a short period of time.
Question178: Which are 802.1x authentication modes? (Choose two.)
Question179: Packet loss occurs only on the packet receiver.
Question180: QoS includes which of the following aspects? (Choose three.)
Question181: Which statements about the Local-Preference attribute are true? (Choose two.)
Question182: Which of the following route selection tools can be used in "multiple" routing protocols, be configured with matching conditions, and be composed of if-match and apply clauses?
Question183: Type 2-external routes always take precedence over Type 1-external routes.
Question184: Which of the following statements are correct regarding BGP attribute? (Choose two.)
Question185: Which BGP attributes can be used to prevent routing loops? (Choose three.)
Question186: Which of the following are performance parameters of the firewall? (Choose three.)
Question187: Only one BGP process can be configured on a router.
Question188: The IPSec function on the Eudemon supports NAT traversal.
Question189: The most remarkable characteristic of OSPF is that it can support the link-state algorithm.
Question190: Which of the following BFD versions is supported in VRP 5.7?
Question191: Two Eudemons in dual-system hot backup mode can be working in Active-Active mode or Active-Standby mode.
Question192: Which of the following are multicast routing protocols? (Choose three.)
Question193: After the session is re-established between the BGP GR helper and its neighbor, original forwarding entries are deleted.
Question194: Which statements about VLAN are true? (Choose three.)
Question195: Which statements about BGP route selection rules are true? (Choose three.)
Question196: Which of the following route entries matches ACL 2001 that is defined below?
Question197: What about all outgoing labels in the label forwarding table of a device for the same route with the same next hop?
Question198: An address needs to be allocated to a host connected to the network temporarily or a group of IP addresses need to be allocated to the hosts that do not require permanent IP addresses. Which address allocation mode does the DHCP server use?
Question199: Based on classification rules, traffic classification can be divided into which of the following types? (Choose two.)
Question200: Which of the following are factors that affect QoS? (Choose three.)
Question201: The IP packet has a special field to mark the QoS. For example, the last 6 bits in the ToS field of an IPv4 packet mark the DSCP value.
Question202: The route selection tool route-policy can filter and set BGP attributes based on pre-defined conditions.
Therefore, this tool is commonly used to define policies for BGP peers and often used in route generation.
Question203: Which of the following congestion avoidance mechanisms can be used to avoid global TCP synchronization? (Choose two.)
Question204: QoS provides services of different qualities to meet various application requirements, including dedicated bandwidth, decreased packet loss ratio, short packet transmission delay, and decreased delay and jitter.
Question205: Traffic shaping usually buffers packets that need to be dropped by traffic policing by means of buffer and token bucket.
Question206: The firewall can be working in routing mode, transparent mode, or composite mode. The default mode is the composite mode.
Question207: You cannot set an aging time for the blacklist of the Eudemon.
Question208: Which of the following route entries match IP-Prefix defined below? (Choose two.) ipip-prefix test index 10 permit 192.168.0.0 16 greater-equal 24 less-equal 28
Question209: In OSPF area, RTA and RTB interconnect through FE interface. which of the following commands can be used to configure the link cost between RTA and RTB as 10? (Choose two.)
Question210: After an interface on a firewall is added to a zone, the interface belongs to the zone.
Question211: Security policies for the firewall are applied to interzones but not to interfaces.
Question212: A VRRP backup group is able to track the status of an interface. If the interface configured with a VRRP backup group fails or any interface on the router fails, the VRRP backup group provides a backup for the faulty interface.
Question213: The firewall does not use security rules to filter packets exchanged between interfaces in the same zone.
Question214: Which of the following DDoS attacks can the Eudemon 1000E defend against? (Choose three.)
Question215: The Eudemon does not support port mapping.
Question216: Which switching technology reduces the size of broadcast domain?
Question217: How does the route Community attribute set by routing policies affect route selection?
Question218: What is the maximum number of bits that can be used for subnetting, when the network address is a Class C address?
Question219: The data transmission rate depends on the bandwidth.
Question220: IP QoS models include: (Choose three.)
Question221: Users can change the priorities of default zones on the firewall as required.
Question222: In the process of calculating SPF tree, the cost from a node to root node equals to metric listed in the Router LSA generated by the node.
Question223: Simple traffic classification can be performed based on which of the following information in IPv4 packets?
(Choose two.)
Question224: In a Land attack, the source address and destination address of an SYN packet are both the IP address of the attacked object or a loopback address.
Question225: Which statements about prerequisites to establishing a BGP peer relationship are true? (Choose two.)
Question226: Which statements about BGP well-known mandatory attributes are true? (Choose three.)
Question227: Which of the following routes match this ACL filter? (Choose two.)
Question228: Status detection is an advanced communication filtering mechanism. It checks the application layer protocol and monitors the status of the connection-based application layer protocol. For all connections, the status information about each connection is maintained by ASPF and is used to dynamically determine whether to permit or deny data packets to firewalls.
Question229: In OSPF protocol, which of the following statements are incorrect regarding Link ID of Router LSA?
(Choose two.)
Question230: When an Eudemon is working in composite mode, some of its interfaces are configured with IP addresses (Layer 3 interfaces) and the other interfaces are not configured with IP addresses (Layer 2 interfaces). To enable dual-system hot backup on an Eudemon, you can configure the Eudemon to work in composite mode.
Question231: Congestion management provides means to manage and control traffic when traffic congestion occurs.
Question232: Two Eudemons in dual-system hot backup mode use Huawei Redundancy Protocol (HRP) to back up key information (such as configuration commands and session status) between the active and standby devices.
Question233: If the peer default-route-advertise command is used to advertise a default BGP route to peers, how will this operation affect the local BGP routing table?
Question234: MPLS is a switching standard defined by the IETF. Which of the following devices exist on the MPLS network? (Choose two.)
Question235: What is the sequence of applying for an IP address in DHCP?
1. The host sends a DHCP Request message to apply for an IP address.
2. The DHCP server replies with a DHCP Offer message.
3. The host sends a DHCP Discovery message to search for the DHCP server.
4. The DHCP server replies with a DHCP ACK message after receiving the DHCP Request message.
Question236: When a local BFD session in the Init state receives packets with the Stat field being Down, the local BFD session changes its status to Down.
Question237: Based on BGP route selection rules, a local route that is automatically summarized takes precedence over a local route that is manually summarized.
Question238: When a TCP connection works properly, what is the status of the BGP peer relationship if the peer AS number configured for a BGP router is inconsistent with the AS number of its BGP peer?
Question239: Which of the following statements about the zone priorities of the Eudemon are true? (Choose three.)
Question240: Using the peer connect-interface command to establish "multiple" peer relationships between two routers connected through "multiple" links is recommended.
Question241: An ACL is a series of orderly rules composed of permit | deny clauses. Which of the following attributes cannot be used for defining an ACL rule?
Question242: In case of congestion, which of the following indexes will affect QoS? (Choose three.)
Question243: The ABR of an NSSA will not advertise Type-4 and Type-5 LSAs to an NSSA but can import external routes into the NSSA.
Question244: Which command can trigger the advertisement of BGP routes without interrupting a BGP connection?
Question245: The system can perform ACL rule matching only based on the configuration order of rules.
Question246: Which of the following BGP filters can be used to set route attributes?
Question247: Which of the following statements about a backup router in a VRRP backup group are true? (Choose three.)
Question248: The TCP SYN flood attack usually occurs during the TCP handshake process. How many handshakes are required to set up a TCP connection?
Question249: Which of the following statements about an AS-External-LSA are true? (Choose three.)
Question250: The option field in DHCP messages has a fixed length of four bytes.
Question251: Which of the following statements is false?
Question252: Which of the following statements are correct regarding Network LSA in OSPF network? (Choose two.)
Question253: A broadcast and an NBMA network, each having two or more routers, must both have a DR and a BDR.
Question254: Which of the following IP addresses are network addresses? (Choose two.)
Question255: What is the function of the client IP address field in DHCP messages?
Question256: What are the OSPF message types? (Choose four.)
Question257: What are the differences between the IGMP versions? (Choose two.)
Question258: The end-to-end delay is the sum of transmission delays, processing delays, and queuing delays along the packet forwarding path.
Question259: Once a BGP connection is established, a BGP Speaker advertises all the optimal routes in the BGP routing table to its BGP peer.
Question260: Different virtual firewall instances on an Eudemon must be configured with the same security policy.
Question261: Assume that the following commands are run to configure BGP:
Which statements about the configurations are true? (Choose two.)
Question262: BFD is a common fast detection technology. It implements the fast switchover function only when collaborating with other fast switchover technologies.
Question263: ABRs advertise link status information about connected non-backbone areas to the backbone area. The backbone area then advertises the routing information to other non-backbone areas. Link status information about the backbone area cannot be advertised to non-backbone areas.
Question264: Which messages are sent from the client to the server? (Choose three.)
Question265: In STP, BPDU packet is carried by ( ).
Question266: Which of the following PHB types are defined in IETF DiffServ? (Choose three.)
Question267: IGMP interface group report information
Ethernet6/1/1(40.1.1.1):
The preceding information shows the entry status of an IGMP interface on Ethernet 6/1/1 on a router.
Assume IGMP sends the group-and-source-specific Query message. Which of the following statements is true?
Question268: Which of the following statements about the refreshing mechanism in the case of link switchover in a Smart Link group is false?
Question269: Assume that a TCP connection works properly, and the peer AS number configured for a BGP router is different from the AS number of its BGP peer. During the establishment of a BGP session, the BGP router exchanges routing information with its peer, and finds that its peer AS number is different from the AS number of the peer. Therefore, the BGP router sends a Notification message to the peer, indicating that the establishment of a BGP session fails. Which message can be identified by the Error Code field in the Notification message?
Question270: In BGP, performing MD5 authentication between BGP peers can protect them from DoS attacks.
Question271: OSPF uses SPF algorithm to calculate SPF tree according to topology. What is the node of the SPF tree?
Question272: Which of the BGP attributes will not be advertised to other neighbor AS?
Question273: Each router running OSPF has a router ID. A router ID is a 32-bit integer and uniquely identifies a router.
Hence, even of routers in different ASs, the router IDs must be different.
Question274: Complex traffic classification can be performed based on which of the following packet information?
(Choose three.)
Question275: Which of the following indicators are performance indicators of the Eudemon? (Choose three.)
Question276: Which of the following conditions must be met for importing routes to BGP by using the network command? (Choose two.)
Question277: Which fields does the DHCP binding table contain? (Choose three.)
Question278: Complex traffic classification matches packets with rules and then takes actions to matching packets.
Question279: The variation in packet delay is called jitter.
Question280: Which of the following attacks are prevented after an IP address and MAC address are bound on the USG? (Choose two.)
Question281: A firewall filters packets exchanged between zones but does not filter packets exchanged between interfaces in the same zone.
Question282: Which methods can be used to import local routes to BGP? (Choose two.)
Question283: IP unnumbered is to borrow an IP address from an interface. If an interface has multiple IP addresses, all its IP addresses will be borrowed and the primary address will continue after these IP addresses are borrowed.
Question284: Which of the following information in a packet can be marked or re-marked?
Question285: In a route-policy, which BGP attributes can be invoked by if-match clauses? (Choose three.)
Question286: In the VRP, by default, a BGP router automatically retransmits an Update packet to its BGP peer after the outbound routing policy of the BGP peer changes.
Question287: Which of the following statements belong to BGP COMMUNITY attribute? (Choose three.)
Question288: Which one of the statements describes the relationship between BGP and AS correctly?
Question289: The interface IP address and virtual IP address configured for VRRP must not be identical.
Question290: Which of the following high availability (HA) features are supported by the Eudemon 1000E? (Choose two.)
Question291: In the VRP, by default, a BGP router does not automatically send a Refresh packet to request its BGP peer to retransmit an Update packet after the inbound routing policy of the BGP peer changes.
Question292: BFD control packets are encapsulated in UDP packets for transmission. Which of the following is the destination port number for single-hop BFD control packets?
Question293: In the BGP routing table, if there are two BGP routes with the same destination address but different next hops, which statement about the two BGP routes is true?
Question294: Configuring a firewall to work in transparent mode does not change the network topology.
Question295: Traffic shaping uses queues to cache traffic whose transmission rate exceeds the limit.
Which of the following statement about traffic shaping is not true?
Question296: Which of the following statements are correct regarding intra-area route calculation of OSPF? (Choose two.)
Question297: Which of the following are popular link efficiency mechanisms? (Choose two.)
Question298: In traffic policing using two token buckets, tokens are put into the CBS bucket at the committed information rate (CIR).
The peak burst size (PBS) bucket is filled in only after the CBS bucket is full.
Question299: BFD packets are classified into control packets and echo packets.
Question300: What is the recommended minimum delay for HRP preemption on the Eudemon?
Question301: Which of the following statements about VRRP fast switchover are true? (Choose three.)
Question302: Layer 3 switch has layer 2 capability as well as layer 3 routing capability.
Question303: IGP routes can be installed into the BGP routing table by running either the network or import-route command.
Question304: When the import-route command is used to import routes to BGP, which statement is false?
Question305: OSPF directly runs over the IP protocol. Its IP protocol number is 89.
Question306: Which of the statements describes the way BGP update routes?
Question307: IP network can provide various packet forwarding service, the service demands that users care during packet forwarding include. (Choose three.)
Question308: Which BGP attribute is usually used to determine the path along which data flows enter an AS?
Question309: Which statements about the process of establishing a BGP peer relationship are true? (Choose three.)
Question310: To process fragmented service packets on an NAT-enabled firewall, which of the following functions needs to be enabled?
Question311: Which of the following firewalls is the most popular?
Question312: OSPF supports two authentication modes: area authentication and interface authentication.
These two modes cannot be configured at the same time.
Question313: Which of the following statements about traffic policing are true? (Choose three.)
Question314: Ethernet0/0 of RTA and Ethernet0/0 of RTB connect to the same LAN, both are enabled with VRRP.
Create a virtual router with ID 1 and virtual IP address 10.1.1.254. Which of the following commands can make RTB Master without modifying the priority of RTA?
Question315: Which statements regarding the PVID on the access interface are true? (Choose three.)
Question316: Which of the following statements are correct regarding priority in VRRP?
Question317: BGP peers are automatically discovered by exchanging multicast packets.
Question318: BFD (a fast detection technology) enabled on a device quickly identifies a fault and reports the fault to the appropriate protocol module after detecting a master/slave switchover on the neighboring device. This causes the protocol module to quit the GR. As such, BFD and GR cannot be used together.
Question319: Which of the following statements about the Reverse Path Forwarding (RPF) mechanism are true?
(Choose two.)
Question320: When the DHCP relay receives a DHCP request message in which the giaddr (gateway IP address) field is
0, how does the DHCP relay process the DHCP request message?
Question321: Exhibit:
Based on the DSCP field (first 6 bits of the ToS field), packets can be classified into how many types?
Question322: Assume that there are four flows a, b, c, and d, the transmission rate of each flow is 50 Mbit/s, and the total bandwidth of the interface for flow transmission is 100 Mbit/s. In the case of congestion, PQ is available for flow a. WFQ is available for flows b, c, and d, with the weight proportion being 1:2:3:4. Which of the following statement about the interface bandwidth allocated to each flow is true? (Choose two.)
Question323: The blacklist function on the firewall can filter packets based on destination IP addresses. A destination IP address can be dynamically added to or deleted from the blacklist.
Question324: Based on BGP route selection rules, how are Origin attributes listed in descending order of priority?
Question325: Which of the followings is used to avoid route loops in BGP?
Question326: Which of the following statements about the mVRRP backup group is false?
Question327: What are the functions of an IGMPv2 Query message? (Choose three.)
Question328: Route filtering can filter not only routing information but also link-status information.
Question329: The configurations of the defined route-policy Set-cost are as follows:
Which of the following statements is true?
Question330: In transit AS, why do core routers run BGP?
Question331: Which of the following LSAs are flooded within a single area? (Choose three.)
Question332: Which of the following statements about comparison between ACL and IP-Prefix are true? (Choose two.)
Question333: Which of the following numbers is the protocol number of VRRP packets?
Question334: In the VRP, by default, the routes imported by BGP are not automatically summarized.
Question335: Which of the following information do you check to directly identify a fault in the firewall if the data transmission is interrupted?
Question336: The Per-Hop Behavior (PHB) defines the policy and priority applied to a packet when traversing a hop (such as a DS) in a DiffServ network.
Question337: According to the STP protocol, a certain field in the BPDU identifies the root switch. That is, if the BPDU sent by a switch contains this field, this switch is considered as the root switch.
What is this field?
Question338: What are the types of firewalls developed so far? (Choose three.)
Question339: Which of the following route selection tools is used in multiple routing protocols, can be configured with match conditions, and consists of if-match and apply clauses?
Question340: Which statement is true if MD5 authentication is configured during the configuration of a BGP peer?
Question341: An IP-prefix-filter is used to filter IP prefixes and data packets.
Question342: Which of the following statements about the device state change is correct after failure in the intermediate link for transmitting VRRP heartbeats?
Question343: The import-route limit command is used to set the maximum number of external routers that can be imported into an OSPF process.
Question344: Which types of packets are supported by BGP? (Choose three.)
Question345: In DiffServ mode, before the application program sends packets, it needs to confirm that the network has reserved resources for packet transmission.
Question346: Which of the following statements about the VRRP working process is false?
Question347: Which of the following link efficiency mechanism can be used to compress RTP and TCP packet headers?
Question348: A VRRP virtual router can have one or more IP addresses.
Question349: The urgent pointer in the flag field of an IPv4 packet header is generally used for OOB data transmission.
Question350: The router ID configured in the system view takes precedence over the router ID configured in the BGP view.
Question351: To enable an Eudemon in routing mode to work like a router, you need to assign IP addresses to interfaces and enable dynamic or static routing protocols on the Eudemon.
Question352: The formula for calculating the MTTR is: MTTR = Fault detection time + Board replacement time + System initialization time + Link recovery time + Route convergence time + Forwarding recovery time. The smaller the addends are, the smaller the MTTR is and the higher the device availability is.
Question353: MPLS is a switching standard defined by the IETF. Which devices exist on the MPLS network? (Choose two.)
Question354: Which of the following statement about packet marking is false?
Question355: The Eudemon generates a blacklist upon detecting an attack.
Question356: How many default zones does the Eudemon supporting multi-instance have?
Question357: The virtual router uses a virtual MAC address but not the actual MAC address of the interface to respond to an ARP request.
Question358: If the Open message sent from a BGP speaker has the GR capability field but no <AFI, SAFI> field, the BGP speaker has no backup forwarding table. Such a BGP speaker functions as only the GR helper to help its neighbors complete the GR process.
Question359: Congestion occurs when a link or node is carrying so much data that its quality of service deteriorates.
Question360: If only some devices on a network run MPLS (MPLS domain is encapsulated in the IP packet header), labels are generated only for direct routes of devices running MPLS.
Labels are not generated for the routes originated from other devices running IP protocols.
Question361: Where is the MPLS label in a data frame?
Question362: Which parameters are optional for configuring a BGP peer? (Choose two.)
Question363: QoS can provide different quality of service according to different demands, which of the following are functions of QoS? (Choose three.)
Question364: Which attributes are well-known community attributes? (Choose three.)
Question365: Which of the following is the multicast distribution tree maintained by PIM-DM?