EMT Practice Test

1. Question Content...

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Question1: In the VRP interface, use the command startup saved-configuration backup.cfg. to configure the backup.cfg file for the next startup.

Question2: The switch GO/0/1 port configuration information is shown in the figure. Which VLAN data frame does the switch forward without VLAN TAG?
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interface GigabitEtherneto/o/1
port link-type trunk
port trunk pvid vlan 10
port trunk allow-pass vlan 10 20 304o
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Question3: The configuration information of a certain port of the switch is shown in the figure, then this port carries VLAN TAG when sending data frames carrying which VLAN?
interface GigabitEtherneto/0/1
port hybrid tagged vlan 2 to 3 100
port hybrid untagged vlan 4 6
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Question4: The following statements about the election of active ports in link aggregation LACP mode. Which is correct?

Question5: Which of the following descriptions about Trunk port and Access port is correct?

Question6: Through SR (Segment Routing), an explicit path can be easily defined. The nodes in the network only need to maintain the SegmentRouting information to cope with the real-time rapid development of the business. What are the following characteristics of Segment Routing? (Multiple choice)

Question7: In which working state of the STP protocol can the port be changed to the Forwarding state without going through other states?

Question8: Which of the following elements are included in the routing table? (Multiple choice)

Question9: Which of the following are not open interfaces of Huawei network equipment? (Multiple choice)

Question10: AC uses CAPWAP control tunnel to transmit management messages to FIT AP.

Question11: Which of the following statements about direct routing is correct?

Question12: The information shown in the figure is the port status information displayed on a switch running STP. According to this information, which of the following description is wrong?

Question13: By default, in the SNMP protocol, which port number does the agent process use to send alarm messages to NS?

Question14: All ports on the root bridge switch are designated ports.

Question15: Which statement are correct about the shortcut keys of the VRP operating platform? (Multiple choice)

Question16: Network shown below, Host A does not configure the gateway, the host B exists gateway ARP cache, which of the following statements are correct? (Multiple choice)

Question17: RADIUS is a common protocol to implement AAA.

Question18: There are hosts in a private network that need to access the Internet. In order to achieve this requirement, which of the following configurations should the administrator do on the edge router of the network? (Multiple Choice)

Question19: The network shown below, it is desirable host traffic network administrator during planning A destined for host B data packets through the router between the G0/0/3 interfaces, the host B to the host PC A data packet through the router Between the G0/0/4 interface, which of the following commands can achieve this requirement? (Multiple choice)

Question20: In the network shown in the figure below, the router receives a data packet with a destination IP address of 11.0.12.1 from host A.
After this data packet is forwarded by the router, what are the destination MAC and destination IP?

Question21: Which of the following statements about the S field in the MPLS packet header are correct? (Multiple choice)

Question22: Complete the ACL configuration shown in the figure on the router RTA, which of the following description is correct?

Question23: Broadly speaking, which of the following does the transmission medium that constitutes the wireless local area network wlan not include?

Question24: The administrator has configured the router as shown in the figure, then what IP address can a host connected to the G1/0/0 interface of the router obtain through DHCP?

Question25: The election of the root switch in STP only compares the switch priority, while in RSTP, the switch priority and MAC address are compared at the same time.

Question26: In order to distinguish different users and provide different network services on the AP. Which of the following can be configured?

Question27: Which of the following description of static and dynamic routing is wrong?

Question28: If the Proto of a certain route information in the routing table is Direct, the priority of this route is set to 0.

Question29: What is the full name of the general routing platform VRP?

Question30: Which of the following attributes cannot be used as a parameter to measure Cost? (Multiple choice)

Question31: When the router forwards a data packet, if it does not match the corresponding detailed route and there is no default route, it will directly discard the data packet.

Question32: In the network shown in the figure below, the host has an ARP cache, and host A sends a packet to host B.
What are the destination MAC and destination IP of this packet?

Question33: f a windows host is started for the first time, if the IP address is obtained by DHCP, then what is the source IP address of the first packet sent by this host?

Question34: In the network shown in the figure below, the bridge ID of the switch has been marked. Enter the command stp root secondary on the SWD switch, and which of the following switch will become the root bridge of this network?

Question35: The following rules exist in a certain ACL of the router. rule deny tcp source 192.168.1.0 0.0.0.255 destination 172.16.10.1 0.0.0.0 destination-port eq 21 Which statement is correct?

Question36: Which of the following port states does the RSTP protocol include? (Multiple choice)

Question37: The switch becomes a logical switch after stacking and clustering, and Eth-Trunk across physical devices can be deployed to improve network reliability.

Question38: Which of the following statements about the default route are correct? (Multiple Choice)

Question39: How many types of OSPF messages are there?

Question40: A company has 50 private IP addresses. The administrator uses NAT technology to connect the company's network to the public network, but the company has only one public network address and is not fixed. Which of the following NAT conversion methods meets the needs?

Question41: A certain ACL of the router is in the following rules, rule deny source 192.168.2.0 0.0.0.255 destination 172.16.10.2 0.0.0.0 Which statement is correct?

Question42: Which of the following statements about router-on-a-stick are correct? (Multiple Choice)

Question43: Which of the following authentication methods does not require the user name and password?

Question44: The administrator plans to implement route backup by configuring static floating routes, what is the correct way to achieve this?

Question45: When the host frequently moves, which VLAN division method is most appropriate?

Question46: SNMPv1 defines 5 protocol operations.

Question47: Refer to the route-in-a-stick configuration in the figure below, it can be judged that the administrative department and the financial department can communicate with each other even if the ARP proxy is not enabled on the R1 sub-interface.

Question48: What is the IEEE802.11 standard corresponding to Wi-F16?

Question49: How many more bytes are the packets using MPLS label double-layer nesting technology than the original IP packets?

Question50: Which of the following networks belong to a local area network? (Multiple choice)

Question51: Link aggregation is a common technology in enterprise networks. Which of the following descriptions are the advantages of link aggregation technology? (Multiple Choice)

Question52: The following two configuration commands can realize the router RTA to the same destination 10.1.1.0 routing master and backup backup.
【 RTA 】 ip route-static 10.1.1.0 24 12.1.1.1 permanent
【 RTA 】 ip route-static 10.2.2.0 24 13.1.1.1.

Question53: Which of the following information prompts will the VRP operating platform use for incomplete input commands?

Question54: The DHCPv6 server supports providing other configuration information such as DNS server address for the host.

Question55: The output information of the router R1 routing table is shown in the figure. Which of the following statements is correct? (Multiple Choice)

Question56: Using the ACL shown in the figure on the router RTA to match routing entries, which of the following entries will be matched? (Multiple choice)

Question57: Which statement about SNMP protocol is correct?

Question58: If the broadcast address of a network is 172.16.1.255, what might its network address be?

Question59: What is the main function of the DNS protocol?

Question60: VRP operating system commands are divided into 4 levels: access level, Monitoring level, Configuration level, and Management level. Which level can run various business configuration commands but cannot operate the file system?

Question61: How to add AP on AC? (Multiple Choice)

Question62: The management of users by NAS devices is based on domains. Each user belongs to a domain, and a domain is a group of users who belong to the same domain.

Question63: The load sharing mode at both ends of the Eth-Trunk can be inconsistent.

Question64: Which of the following IPv4 addresses can be used by a host to directly access the Internet?

Question65: What kind of message does the OSPF protocol use to send LSA to neighbors?

Question66: The output information of a switch is shown in the figure. Which of the following statements is correct? (Multiple choice)

Question67: Which statement about the Hybrid port is correct?

Question68: In the VRP interface, use the command delete vrpcfg.zip to delete the file. You must empty the recycle bin to completely delete the file.

Question69: As shown in the figure below, all hosts can pass normally, so what is correct about the correspondence between the MAC address and the port in the MAC table of the SWB?

Question70: Which of the following does not include in VRP system login method?

Question71: What percentage does the DHCP client expect to send the lease renewal message for the first time?

Question72: What is the total length of the IPv6 address in bits?

Question73: Which version of the SNMP protocol below supports encryption features?

Question74: On the VRP platform, the default protocol priority of routes in the direct routing, static routing, RIP, OSPF area is:

Question75: How many types of data flows with different service levels can be marked based on MPLS labels?

Question76: On the broadcast network, both DR and BDR use the multicast address 224.0.0.6 to receive link state update messages.

Question77: The configuration information of a certain port of the switch is shown in the figure, then the port will strip off the VLAN TAG when sending data frames carrying which VLAN?

Question78: Which of the following options are configured in a Layer 2 ACL? (Multiple choices)

Question79: Which of the following descriptions about the switch is wrong?

Question80: Which of the following does not be included in AAA?

Question81: The RSTP protocol uses the P/A mechanism to speed up the speed of the upstream port to the Forwarding state, but what is the reason why there is no temporary loop?

Question82: A company applies for a Class C address segment, which needs to be evenly distributed to 8 subsidiaries. The largest subsidiary has 14 computers. Different subsidiaries must be in different network segments. The subnet mask should be designed as ().

Question83: What is the total length of the VLAN frame format defined by IEEE802.1Q?

Question84: What is the destination IP address of the DHCP DISCOER message?

Question85: The administrator wants all hosts to be unable to access the Internet between 8:00-17:00 every day, so which ACL rule needs to be bound to the traffic-filter outbound in the GO/0/1 interface allocation?

Question86: In the network shown in the figure below, switch A and router A are connected through two links, and the two links are aggregated in manual load sharing mode. The aggregated port number is 1, and the aggregated link performs data when forwarding, you need to carry VLAN TAG 100. Switch A uses Trunk link. Which of the following configurations should be used for Switch A?

Question87: Using the command mkdir test in the VRP operating platform, the system will create a directory named test.

Question88: Which of the following commands can be used to view the router's CPU usage?

Question89: In order to realize the network layer function on VLANIF interface, what need to be configured on VLANIF interface? (Multiple choice)

Question90: Which of the following characteristics does the OSPF protocol have? (Multiple Choice)

Question91: Which stage of the life cycle of campus network construction is the beginning of a project?

Question92: As shown in the information in the figure, when learning this switch needs to forward the frame with the destination MAC address of 5489-98ec-f011, which of the following description is correct?

Question93: The Backup ports in RSTP may alternatively failed root port.

Question94: The network administrator created VLAN 10 on the Layer 3 switch and configured an IP address under the virtual interface of the VLAN. When the command "display ip interface brief" is used to check the port status, it is found that the VLANIF 10 interface is in the down state. What should be done to restore the VLANIF 10 interface to normal?

Question95: Which of the following IPv6 is a global unicast address?

Question96: As shown in the following figure, router A and router B establish an OSPF neighbor relationship. The OSPF process number of router A is 1, and the area number is 0. Which of the following configurations on router A can enable router B to obtain the network segment of host A routing? (Multiple choice)

Question97: The link aggregation interface can only be used as a Layer 2 interface.

Question98: In the network as shown in the figure below, the host has an ARP cache. Which of the following statements is correct? (Multiple Choice)

Question99: In the network shown in the figure below, the output information of switch A is shown in the figure. Then in the MAC address table of switch A, which interface does the MAC address of host B correspond to?

Question100: In IPv4 networks, AP supports static and DHCP methods to obtain IP addresses.

Question101: In the switch MAC address table, which of the following entries will not age?

Question102: What is the range of VLAN ID that users can use?

Question103: What is the number range of the Layer 2 ACL?

Question104: The last option field of IPv4 is variable-length optional information. What is the maximum length of this field?

Question105: What are the advantages of using dynamic host configuration protocol DHCP to assign IP addresses? (Multiple choice)