EMT Practice Test

1. Question Content...

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Question1: Which of the following statements about NSSA areas is true

Question2: Which of the following descriptions about the properties of BGP is correct?

Question3: HW users are transferring a very large number of files via TFTP. What protocol does TFTP rely on for transmission?

Question4: In the process of using the LACP protocol, which of the following descriptions is correct? (multiple choice) Eth can be avoided by-Trunk interface frequently flaps interface due to physical link eth-trunk 1 lacp preempt enable lacp preempt delay delay-time You can configure the source IP address for load balancing in an enabled link aggregation group through the following commands: interface eth-trunk 1 load-balance src-dst-ip Member interfaces can be removed from an enabled link aggregation group with the following command:
interface GigabitEthermet0/0/1 shutdownwn

Question5: Different from STP, RSTP BPDU typeonly one, its value 2, noTCN BPDU.

Question6: The following is about IGMPv1 and IGMPv2description, which is correct? (multiple choice)

Question7: In Huawei equipment, when ISIS imports external routes and sets the external route label of the routing information, the ISIS MetThe ric type does not need to be modified, keep silentAccept it. ( confirmed)

Question8: The intranet users of a company use the no-pat mode of NAT to access the Internet. If all the public network IP addresses are used, what will happen to the intranet users who access the Internet subsequently?

Question9: Which of the following statements about the VRRP protocol is correct?

Question10: at the VLAN (802.1Q) The priority field in the data encapsulation is 6 bits in total.

Question11: Which of the following options may affect the establishment of IBGP neighbors?

Question12: Which of the following descriptions about VRRP load sharing is correct?

Question13: Look at the picture and talk?

Question14: About PIM-Description of He1lo message in SM, what is wrong?

Question15: As shown in the figure, private network routing information is exchanged between PE1 and PE2 and their respective CEs through SPF, and the same Domain ID is declared on both PE1 and PE2. When importing routes from BGP to OSPF on PE2, which of the following types of LSAs may be delivered to CE2?

Question16: Which description is correct about BGP reflector?

Question17: Which of the following IEE standards were developed for Gigabit Ethernet?

Question18: RD is used to distinguish the same IP address in different VPNs. How many bits does RD contain?

Question19: Check the LSP on a router and see the following results:

Question20: Regarding BGP4+, which of the following statements is correct?

Question21: four routersR1, R2, R3 and R4 run ISIS, The ISIS router type has been marked in the figure, and the area addresses of the four routers are all 49.0001.The result of checking the routing table on R1 is as follows. The reason why R1 does not reach the route to 10.34.34.4 is because

Question22: Which of the following packets does the BGP protocol support?

Question23: Which of the following descriptions about OSPF virtual links is correct?

Question24: The following about OSPFv3Router-LSA, which statement is correct?

Question25: If PIM-SM is run in a multicast network, a multicast forwarding tree needs to be built between the multicast source and the receiver so that the receiver can receive the multicastvalid data, which of the following options are correct for the built tree tracing?

Question26: Which of the following descriptions about BGP load sharing is wrong?

Question27: OSPFAmong the five types of LSAs are used to transmit external routes, which of the following statements about the five types of LSAs is incorrect (single choice)

Question28: The following description of Link ID, Data, Type and Metirc in Router-LSA is correct.

Question29: If the interface sticky MAC function is enabled, what is the number of MAC addresses learned by the interface by default?

Question30:

Question31: Four routers run IS-IS and have established adjacency relationship. The area number and router level are marked as shown in the figure. If route penetration is configured on the R3 device, what is the Cost value of R4 reaching 10.0.2.2/32?

Question32: Regarding the authentication of the ISIS protocol, the correct statement is:

Question33: IBGP was established on two Between directly connected devices of neighbors, if the shutdown command is executed to shut down the interface of one of the devices, the BGP connection will not be disconnected immediately.

Question34: In IS-IS Configure ipv in protocol view6 preference, the function of this command is to configure IS-IS Protocol generated ipv6 Protocol priority.

Question35: Assuming that the shaping rate of a port is 100Mbps, the input bandwidth of each service on the interface and the PIR of the IP configuration are as follows: After the first round of scheduling, what is the bandwidth allocated by the EF queue?

Question36: inUSG Series firewalls, Untrust. What is the security level of the zone? (single choice)

Question37: As shown in the figure, department A of branch 1 can access the Internet, but department B can only use encrypted VP to access the resources of the headquarters.
Configure the NAT policy on so that department A can access the Internet, and configure IPSec for department B at the same time The VPN (ESP protocol) + tunnel mode method makes it possible to access the headquarters.

Question38: What is wrong with the description of MAC address spoofing attacks?

Question39: The association between LDP and IGP means that IGP suppresses the advertisement of reachable routes to ensure that LDP and IGP cooperate to complete network convergence, so that IGP and LDP maintain the same path, minimize traffic loss, and improve the reliability of the entire network.

Question40: The existing router HW1 running BGP is configured with both IBGP neighbors and EBGP neighbors. Below about IBGPneighbors and EBGP neighbor description correct?

Question41: What is the most efficient way to pass view device alarms via CLI?

Question42: After a switch is powered on, it joins a running stack system, which is called stack join.

Question43: When the administrator configures VRRP, which of the following are not required to be configured? (multiple choice)

Question44: the following aboutWhat are the wrong technical claims about URPF, IPSG and DAI?

Question45: Which of the following descriptions about ISIS' route penetration is correct?

Question46: When configuring AS-Path-Filter, ipas-path-filter10 permit _100$ means matching the route received from AS100 but not originated from AS100

Question47: Which of the following descriptions about the LDP session establishment process is correct? (multiple choice)

Question48: An engineer performed the import operation on an OSPF router in a company network. Which of the following statements about importing route LSAs is correct?

Question49: The HW device network administrator plans to migrate the multicast network from IGMPv2 to IGMPv3. What is the improvement of IGMPv3 compared to IGMPv2? .

Question50: Protocols using TCP ports 443, 179, 137, 110 and 23 are

Question51: Configured under an interface: isis timer hello 5 level-2, is the following statement correct?

Question52: Which of the following BGP attributes is not a BGP routeUp date. What must be included in the message?
(multiple choice)

Question53: When the payload is an ICMPY6 packet, if the extension header is not considered, what is the value of the Next Header field in the IPv6 header?

Question54: Use the IP prefix list as shown for route matching, which of the following routes can be matched? ip ip-prefix List1 index 10 permit 192.168.1.0 24 greater-equal 24 less-equal 27

Question55: VLAN L3 Gateway is used to implement different V?The three-layer logical interface of ANW virtual network communication is?

Question56: Network managers can use CAR technology in traffic supervision. Which of the following techniques can be used in CAR?

Question57: Which properties meet the following two conditions:
BGP router A can choose toWhether the Update packet carries this attribute.
If Router B receives aAfter the Update message, Router B does not recognize the attribute, but also advertises the Update message containing this attribute to Router C.
Router C may recognize and use this attribute.
(multiple choice) ( confirmed)

Question58: The host HW1 in the HW device network wants to join a video conference, what will the host do?

Question59: There are many ways to establish a cluster on a modular switch. What methods does Huawei modular switch support to establish a cluster?

Question60: BGP routing policy can control the publishing and receiving of routes

Question61: The advanced access control list is a series of ordered rules composed of permit I deny statements. These rules can match IP packets according to which of the following attributes?

Question62: In order to reduce the number of OSPF routes in some stub areas, the OSPF protocol has developed special area functions. The following describes the characteristics of OSPF special areas.
Which statement is correct?

Question63: As shown, in IPv44 and IPv6 environment, ISISThe SEL field in the NET address always takes the value 00. ( confirmed)

Question64: As shown in the following topology, EBGP is run between AS100, AS200, AS300, and AS400, and the neighbor relationship has been established. When AS400 receives the BGP route of the network segment
1.1.1.1/32 sent by AS100, the correct order of the paths recorded in the AS Path attribute is: ?

Question65: How many interfaces of the router have IS-IS enabled, the output is as follows:

Question66: In a multicast network, what causes the multicast traffic to fail to be forwarded normally? (Multiple Choice)

Question67: an existing switch is running RSTPprotocol. If the network topology changes, what will happen to the Layer 2 forwarding entries automatically learned by the switch?

Question68: Router HW1 asMPLS LSR routers exist in the network of the operator HW. The router receives a packet with a label, but the Label table entry does not exist in its Lin the FIB. So how does the router process the packet?

Question69: As shown in the picture below, the correct description is: (multiple choice)

Question70: If the PIM-SM protocol is run in the multicast network, RP needs to be configured. The configuration methods of RP are divided into dynamic RP and static RP. The following description of RP configuration is correct:

Question71: The two routers are connected together through serial ports, but they cannot ping each other. Now check the port status as follows:

Can you determine the cause from the above information?

Question72: In IS-ISFilter-policy 2000 export is configured in the process. What is wrong about the function of this command?

Question73: As shown in the figure, there are two IPv6 networks that can access the IPv4 network. At the same time, an IPSec tunnel needs to be established between the two IPv6 networks for communication.Which of the following packaging modes can meet the above requirements?

Question74: A company's two-layer phase network signature is shown in the figure. After the engineer has completed the configuration, it is found that the business between departments cannot communicate. The device status can be checked through the command as follows. Please determine the possible causes?

Question75: As shown in the following figure, part of the LSPs in the LSDB of a router are shown in the first entry in the following figure. Now I have received a new LSP, the second one in the figure below, the following statements are wrong

Question76: Which type of address prefix in the following options indicates that the address is globally unique and globally routable among IPv6 unicast addresses, similar to the public address in IPv4?web address?

Question77: What is the role of RT in MPLS VPN?

Question78: The following is about the PIM-SMRegister message description is correct? ( confirmed)

Question79: When the BFD detection time intervals at both ends are 30ms and 40ms respectively. Which of the following options is correct?

Question80: If the router's GigabitEthermet0/0/0 interface sends out 0SPFv3 The value of the Option field in the Hello packet is 0x000013. The following description is correct (multiple choice)

Question81: Which of the following information about BGP4+ is correct?

Question82: IPv6 Link-local addresses can be generated by stateless autoconfiguration

Question83: When the administrator wants to manage some routes on the router during operation and maintenance, which of the following tools can mark these routes for easy management?
Admin configuration policy?

Question84: The topology diagram and configuration are as follows. Now I hope that there is no detailed routing entry for
10.0.3.3/32 in the R1 routing table. The following statement can achieve this requirementhave

Question85: Which of the following statements about HTTPS is false?

Question86: [R1]ospf 1
[R1-ospf-1]area 2
[R1-ospf-1-area-0.0.0 2] network 10.0.13.1 0.0.0.0
As shown in the configuration, the administrator has configured OSPF on R1, but R1 cannot learn the routes of other routers, so the possible reason is ().

Question87: As shown in the following topology diagram, all interfaces of the router in the figure enable the ISIS protocol.
The following statements are correct (multiple choices))

Question88: In an MPLS VPN network, different CE devices can use different routing protocols to exchange routing information with the same PE device, and the routing protocols used between different CE devices and the same PE device are independent of each other.

Question89: Which of the following information can be included in a basic network layer packet? (Multiple Choice)

Question90: command ip ip-prefix ip-prefix-name [index index-number] { permit | deny} ipv4-address mask-length
[greater-equal greater-equal-value ][ less equal less-equal-value] for IP-prefix fiIter.
If a prefix list is less- equal is specified, but greater equal is not specified, then what is the scope of the prefix?

Question91: There is no routing protocol running on the router HW and only a default route is used to reach the remote network. Use the extension to ping the remote file server address 10.5.40.1 on the router. The result of pinging on the router is presented as "Request time out". According to the above description, the following analysis is wrong Yes?

Question92: routerR1 runs OSPF protocol, use "display ip "routing-table" command to view the routing table of router R1, the following is about the routing table Is the description of OSPF information correct?

Question93: BGP EVPN Type2 Routing is used to pass IRB In the case of type routing, the information carried includes ?

Question94: Through the display ip interface GEO/0/0 command, the statistics of the ping packets received under the interface can be viewed.

Question95: OSPF is enabled on the router HW, the role of the router HW is ABR, and ab is configuredr-summary, then which classes of LSAs will be summarized?(Multiple Choice)

Question96: As shown below, R1 and R2 establish EBGP neighbors and enable the BFD detection function. Which of the following statements is correct (single choice)

Question97: Which of the following statements about BGP route reflectors is correct?

Question98: Which of the following does not belong to the role of EVPN Type2 routing?

Question99: Which of the following statements about OSPF route filtering is incorrect?

Question100: If there is no default route in the local IP routing table, use default-route The import command will advertise the default route to the BGP peer (group).

Question101: As shown in the figure, OSPF is enabled on all interfaces of the router, and. The cost value is indicated in the figure, and the Loopback0 interface of R2 is advertised in the area 1, thenR1 arrives 10. 0.2.2/32Cost value?

Question102: After dividing an interface of the firewall into the Untrust security zone, the interface belongs to the untrust zone and no longer belongs to the Local zone.

Question103: The security protection actions that can be performed by a secure MAC address do not include which of the following?

Question104: As shown, all routers are at 0SPThe loopback interface address is declared in F, among which the R2 loopback interface address is 10.0.2.2/32, which is declared in Area 0.The address of the R3 loopback interface is
10.0.3.3/32. The external route is 100.1.1.0/24. To reduce the burden on the R1 router, the configuration command is as follows: (multiple choice)
[R1]ip ip-prefix 1 permit 100.1.1.0 24
[R1]ospf 1

[R1-ospf-1]filter-policy ip-prefix 1 import Is the following description correct?

Question105: Bandwidth parameters need to be configured when deploying LLQ. What is the significance of the bandwidth parameters?

Question106: As shown in the figure, which of the following statements is correct

Question107: When DLDP detects the existence of a unidirectional link in the fiber, the default actions of Huawei equipment include:The DLDP state machine transitions to the Disable state; outputs Trap information; automatically sets the interface to the blocked state. ( confirmed)

Question108: The following about MED The correct one is: (multiple choice)

Question109: The following are for the source side in PIM-SMWhich of the descriptions of the process of DR registering with RP is correct?

Question110: In the laboratory network, build a network according to the following topology diagram, SW1 is the default configuration, and SW2 disables the switch STP function. Which is the correct description in this scenario?
(single choice)

Question111: Which of the following is incorrect about BGP routing? (Single Choice)

Question112: Regarding the difference between NSR and NSF, which is correct?

Question113: IPSG can statically configure the binding table, orDHCP-Snooping is used together to form a binding table

Question114: Through the following display command, you can judge which is the switch loop failure?

Question115: an existing AS-path-filter: ip as-path-filter 1 permit 100( 100)*( 400)*$, The As-path-fiter cannot match which AS-PATH Properties?

Question116: BGP4+ is running between the two routers, and the neighbor relationship is normal, but the BGP routing table of the local router does not have any neighbor routing entries. What are the following possible reasons?

Question117: The router connects two EBGP neighbors through two parallel serial cables, what method would you use to achieve this through the two parallel serial cablesBidirectional burden sharing between two connected EBGP neighbors?
BGP automatically implements load balancing of traffic among different autonomous systems on available links without using any method

Question118: by default, which of the following are safeMAC Will the entry of the address type be lost after the device restarts? (single choice)

Question119: Regarding the stub area in the OSPF protocol, the following statements are correct:

Question120: If a Huawei switch runs the RSTP protocol, when will the BPDUs on a port of the switch be aged out?

Question121: You want to set the DSCP value for VoIP traffic in the HW network device to EF. According to the Differentiated Services Model RFC, the traffic marking EF should be set to:

Question122: There are routing tools that are not only used for BGP routing protocols.

Question123: Subnets under different VPNs of VXLAN need to be accessed in the same way. The information of one of the subnets is as follows, RT 10:10 both under EVPN, RT 1000:1000 export, and RT 100:100 under VPN.
Another subnet can be configured as ?

Question124: Which of the following routes is used to advertise external routes in BGP EVPN? (Single choice)

Question125: ICMPv6 has two types of error message (Error Messages) and information message (Information Messages).

Question126: A routerRouter LSA As shown in the picture, which of the following statements is wrong? (single choice)

Question127: In order to enable the VPN instance to advertise IP routes to the BGP-EVPN address family, what command needs to be enabled in the BGP view

Question128: Which of the following scenarios is not suitable for deploying interface policy routing?

Question129: In order to configure AAA, we first need to defineRADIUS server. The definition of a RADIUS server is as follows: [Huawei]radius- server template EXAM
[Huawei-radius- EXAM]radius-server shared-key cipher HUAwei123 [Huawei-radius- EXAM]radius-server authenticationn 10.7 66.66 1812
[Huawei-radius- EXAM]radius-server authorization 10.7.66.66 1812
[Huawei-radius- EXAM]radius-server accounting 10.7.66.66 1813 [Huawei-radius- EXAM]radius-server retransmit 2

Question130: Which of the following descriptions about ISIS' LSP fragmentation extension is correct??

Question131: About IGMP Proxy is correct? (multiple choice)

Question132: an engineer uses 2 router for IPv46 business test, by running BGP4+Simulate the interconnection between headquarters and branches. The network logical topology is shown in the figure, about the IPv6 between the two devices Route delivery, which of the following statements is false?

Question133: Since BGP is an EGP routing protocol, BGP routing policies can only be deployed between EBGP neighbors, and it is invalid to deploy routing policies between IBGP neighbors

Question134: The router HW1 and the router HW2 are connected to the network A and the network B, respectively. As shown in the figure below, if you want to establish IPsec VPN between router HW1 and router HW2.

Question135: Which of the following tools cannot beRoute if in policy-match clause directly quoted?

Question136: the following aboutThe establishment process of LDP LSP, which description is correct?

Question137: Community-filter has two types of basic community attribute filters and advanced community attribute filters.
Which of the following filter tools makes the advanced groupAre gender filters more flexible than basic community attribute filters for matching community attributes?

Question138: command ip as path-filterr 1 permit ^12.*74$ can match which AS_ PATH?

Question139: uninterrupted forwardingNSF (Non-Stopping Forwarding) and nonstop routing NSR (Non Stopping Routing) are two solutions for high reliabilitysolution, which of the following statements is correct

Question140: A campus has deployed IPv6 for business testing. In the early stage of deployment, engineers wanted to achieve network interoperability through IPv6 static routing. When creating an IPv6 static route, you can specify both the outbound interface and the next hop, or only the outbound interface or only the next hop.

Question141: Regarding route introduction, which of the following descriptions is correct?

Question142: Assuming that the neighbor relationship between BGP routers has been established successfully, the configuration on R1 is as shown in the figure. Which router is the route entry 10.10.10.0/24 advertised by R1 delivered to the farthest?

Question143: about the followingWhich RADIUS statement is true?

Question144: A router runs IS-IS, and its output information is shown in the figure. Which of the following statements is correct?

Question145: Which of the following statements about MPLS is incorrect?

Question146: four routers running IS-IS And the adjacency relationship has been established, the area number and router level are marked in the figure, in R1 Configure routing penetration on the device, thenR4 arrive 10.0.2.2/32 ofCcost What is the value? (Singleselect)

Question147: What are the advantages of OSPF division area?