EMT Practice Test

1. Question Content...

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Question1: Which of the following is not included in the VRP system login method?

Question2: What is the full name of the general routing platform VRP?

Question3: The CAPWAP protocol specifies the communication standard between AC and AP. Which of the following statements about the CAPWAP protocol is correct?

Question4: In order to realize the network layer function on the VLANIF interface, it is necessary to configure on the VIANIF interface?

Question5: What kind of message does the OSPF protocol use to confirm the received LSU message?

Question6: Only the WPA2-PSK security policy supports the use of TKIP for data encryption.

Question7: What kind of packets does the OSPF protocol use to describe its LSDB?

Question8: The link aggregation interface can only be used as a Layer 2 interface.

Question9: An AR2200 router needs to restore the initial configuration, which of the following operations are necessary?

Question10: Which of the following statements are correct about the VLAN design and planning of the campus network?

Question11: Which of the following statements about the various versions of the SNMP protocol are correct?

Question12: If a windows host is started for the first time, if it uses DHCP to obtain an IP address, what is the source IP address of the first packet sent by this host?

Question13: How many types of data flows with different service levels can be marked based on MPLS labels?

Question14: Which of the following messages are used for IPv6 stateless address autoconfiguration?

Question15: What are the stable states of OSPF neighbor relationship?

Question16: Telnetlib is a module that implements the Telnet protocol that comes with Python.

Question17: Which of the following are not characteristics of a small campus network?

Question18: What is the total length of the interface identifier of the link-local unicast address in bits?

Question19: By default, it takes at least 30s for the port status in the STP protocol to change from Disabled to Forwarding.
Multiple choice

Question20: What command line views exist on the VRP operating platform?

Question21: After the network administrator uses the TracertRoute function on the router device, in the data packet sent by the router, the value of the Protocol field in the IPv4 header is?

Question22: It is used to identify wireless networks in WLAN. What distinguishes different wireless networks?

Question23: What is the range of VLAN ID users can use?

Question24: Which of the following descriptions of OSPF DD packets and LSAs are correct ().

Question25: The configuration information of a certain port of the switch is shown in the figure. Which of the following statements is wrong?

Question26: A host must configure a gateway to communicate with other hosts.

Question27: The login timeout period in the VRP system can only be set under the VTY interface.

Question28: What is the role of link aggregation?

Question29: In the following options, the necessary technology to enable a host with an IP address of 10.0.0.1 to access the Internet is.

Question30: The network structure and OSPF partition are shown in the figure. In the figure, except for RTA, the routers RTB, RTC and RTD are all ABR routers.

Question31: Which of the following statements about VLANIF interfaces are correct?

Question32: If the ipv4 address of a host in the LAN is 192.168.1.1/30, which of the following IP addresses will be processed by the host as the destination address?

Question33: What is the total length of the port ID in the spanning tree protocol?

Question34: In the network shown in the figure below, the host logs in to router A through Telnet, and then obtains the configuration file of router B through FTP on the remote interface. How many TCP connections exist on router A at this time?

Question35: VRP does not support how to configure the router?

Question36: When a switch receives a unicast data frame with a VLAN tag, but finds that the destination MAC address of the data frame cannot be queried in its MAC address table, the switch's processing behavior for the data frame is.

Question37: An existing switch is connected to a designated port through a port, but the port does not forward any packets, but can monitor network changes by receiving BPDUs. Then the role of the port should be.

Question38: 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 requirements?

Question39: The output information of a certain router is shown in the figure. Which of the following statements are correct?

Question40: In the network shown in the figure below, the network administrator hopes that the data packets sent from host A to host B pass through the G0/0/3 interface between routers, and the data packets sent from host B to host A pass between the routers. G0/0/4 interface, which of the following commands can achieve this requirement?

Question41: Trunk port can allow multiple vlans to pass, including vlan 4096.

Question42: What to do when the Trunk port sends data frames?

Question43: RADIUS is a common protocol to implement AAA.

Question44: The administrator configures OSPF on a router, but the loopback interface is not configured on the router. The following correct description of the Router ID is.

Question45: The following description of the specified port of the spanning tree is correct.

Question46: When configuring the Telnet login user interface. The authentication method must be configured, otherwise the user cannot successfully log in to the device.

Question47: Which of the following fields does the MPLS header include?

Question48: By default, what is the RouterDeadInterval of the OSPF protocol on the broadcast network?

Question49: As shown in the figure, the switch runs STP with default parameters. Which of the following ports will be elected as the designated port?

Question50: The MAC address table of the existing switches is shown in the figure. Which of the following statements are correct?

Question51: What are the functions of OSPF protocol DR and BDR?

Question52: Only one SSID can be bound to an AP radio.

Question53: When Huawei switches run STP, the priority of the switch is () by default.

Question54: In the network shown in the figure below, when the 0SPF neighbor status is stable, what is the neighbor status of Router B and Router C?

Question55: A company applies for a Class C IP 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, so the subnet mask should be set to.

Question56: Which field in the IPv6 header is similar to the TTL field in the IPv4 header?

Question57: What kind of packets does the OSPF protocol use to request LSAs that are missing locally?

Question58: AAA does not include which of the following.

Question59: Which encryption algorithm used by WLAN has the highest security strength?

Question60: Which layers are not included in the TCP/IP model?

Question61: Which of the following IPv6 addresses is a multicast address?

Question62: Which version of the SNMP protocol below supports encryption features?

Question63: Which of the following IPv6 addresses is a link local address?

Question64: What is correct about the SNMP protocol?

Question65: If the administrator wants to update the VRP version of Huawei routers, the correct method is ().

Question66: A company applies for a Class C IP address segment, but it must be allocated to 6 subsidiaries. The largest subsidiary has 26 computers. Different subsidiaries must be in different network segments. The netmask should be set to ().

Question67: When we search for accessible wireless networks on our laptop, what is the actual network name displayed?

Question68: What is the main function of the dynamic routing protocol?

Question69: According to the command output as shown in the figure, the correct one in the following description is ().

Question70: Which of the following options does not belong to the SDN network architecture?

Question71: What kind of packets does the OSPF protocol use to discover and maintain neighbor relationships?

Question72: An ACL is essentially a packet filter. Only when the ACL is applied to the service module can the ACL take effect.

Question73: The administrator plans to implement route backup by configuring static floating routes, the correct way to achieve this is.

Question74: The switch is connected to the host. What is the common port link type of the switch?

Question75: When AP and AC are on different Layer 3 networks, what method is recommended for AP to discover AC?

Question76: On the VRP platform, the priority of the default protocol for direct routing, static routing, RIP, and OSPF routing in the area is from high to low.

Question77: The CAPWAP control tunnel and data tunnel transmission adopt the same port number.

Question78: Which of the following port states does not include the RSTP protocol?

Question79: In the network shown in the figure below, the host has an ARP cache. Which of the following statements is correct?

Question80: In PPP, when the two ends of the communication detect that the physical link is activated, they will switch from the link unavailability stage to the link establishment stage. At this stage, the link parameter negotiation is mainly carried out through the () protocol.

Question81: In the figure below, all switches have enabled the STP protocol, assuming that the path cost of all ports is 200.
What is the root path cost value contained in the configuration BPDU message received on the G0/0/4 port of the SWD?

Question82: The MAC address table of a certain switch is shown in the figure. If the switch receives a data frame with a destination MAC of 5489 9811-0b49 from port Eth0/0/2, which of the following statements is correct?

Question83: The two switches shown in the figure below have both enabled the STP protocol. An engineer made the following conclusions on this network. Which conclusion do you think is correct?

Question84: The function of OSPF's hello message is ().

Question85: If the broadcast address of a network is 172.16.1.255, then its network address may be.

Question86: Which of the following statements about link aggregation in manual load balancing mode is correct?

Question87: What is correct about the dynamic MAC address table?

Question88: The priority of the LACP protocol is shown in the figure. Switch A and Switch B adopt LACP mode link aggregation. And all interfaces join the link aggregation group. At the same time, set the maximum number of active ports to 3. Then which port of switch A is not the active port?

Question89: Which of the following statements about static routing in Huawei equipment is wrong is.

Question90: The MAC address table of the existing switches is shown in the figure. Which of the following statements are correct?

Question91: In the broadcast network shown in the figure, OSPF runs on four routers in the same area and on the same network segment. OSPF will automatically elect one DR and multiple BDRs to achieve a better backup effect.

Question92: Using a traditional landline to make a call is a way of network communication.

Question93: How many bits are there in the VLAN ID in the VLAN frame format defined by IEEE802.1Q?

Question94: Which of the following working modes does Huawei Enterprise AP support?

Question95: The mask length is 12 bits can be expressed as?

Question96: When the IPv4 protocol is used as the network layer protocol, which field is not included in the network layer?

Question97: If the Ethernet data frame Length/Type=0x0806, which of the following statements is correct?

Question98: When planning a campus network, which of the following mask lengths is recommended for device interconnection IP addresses?

Question99: The network administrator finds that a certain port of the switch has learned the MAC address, but it cannot forward data frames. Which of the following working statuses is this port in?

Question100: The information shown in the figure is the port status information displayed on a switch running STP.
According to this information, the following description is wrong.

Question101: The transmission rate of an Eth-Trunk port in manual link aggregation mode is related to ().

Question102: The function of telnet. read_very_eager in Telnet lib is to read data non-blockingly. Usually need to be used with the time module.

Question103: On the broadcast network, both DR and BDR use the multicast address 224.0.0.6 to receive link state update messages.

Question104: The switch becomes a logical switch after stacking and clustering, and Eth-Trunk across physical devices can be deployed to improve network reliability.

Question105: Which of the following parameters is used in LCP negotiation to detect link loops and other abnormal conditions?

Question106: On Huawei AR G3 series routers, what authorization modes does AAA support?

Question107: Which information of the data frame is used by the VLANIF interface to determine whether to forward Layer
2 or Layer 3 forwarding?

Question108: When building a campus network, which of the following protocols can be used to avoid Layer 2 loops?

Question109: Using the ACL shown in the figure on the router RTA to match routing entries, which of the following entries will be matched?

Question110: The configuration information of a certain interface of the switch is shown in the figure. When the data frame of which VLAN TAG is carried by this port, the VLAN TAG is stripped?

Question111: The user cannot configure the VLAN ID to 0.

Question112: Which state does the OSPF protocol use to indicate that the neighbor relationship has been established?

Question113: Which of the following types of addresses are not included in IPv6 addresses?

Question114: The administrator has configured the router as shown in the figure, and the administrator wants to assign a shorter lease period to the DHCP address. Which of the following commands should be used, Ip pool pool1 network 10.

Question115: The network administrator hopes to be able to effectively use the IP address in the same segment of
192.168.176.0/25. Now the company's marketing department has 20 mainframes. Which of the following address segments is best allocated to the marketing department?

Question116: What is the command for configuring the data forwarding mode on the AC as direct forwarding?