EMT Practice Test

1. Question Content...

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Question1: Which of the following statements about the various versions of the SNMP protocol are correct?

Question2: The configuration of the country code will affect the actual frequency used for transmission and the maximum transmission power ()

Question3: VRP does not support how to configure the router?

Question4: Management Information Base (MIB) Information Base) is a virtual database, which only exists on the NMS. ()

Question5: What is correct about the SNMP protocol?

Question6: The network is shown in the figure below. The following statementcorrectIs there? () (Multiple Choice Questions)

Question7: When the Access type port sends a message, it will ().

Question8: In what ways does VRP support router configuration? ()*

Question9: Which stage in the life cycle of campus network construction is the beginning of a project?

Question10: The static MAC. address table will not be lost after the system restarts ()

Question11: Which of the following protocols does the RA message used in IPv6 stateless autoconfiguration belong to?

Question12: AC. Use CAPWAP control tunnel to transmit management messages to FIT AP. ()

Question13: Which of the following IEEE802.11 standards only supports the 2.4GHz frequency band for communication? ()

Question14: The network administrator hopes to be able to effectively use the IP address of the 192.168.176.0/25 network segment. Now that the company's marketing department has 20 hosts, which of the following address segments is best allocated to the marketing department?

Question15: In the network shown in the figure, the administrator wants all hosts to be unable to access the Internet between 8:00-17:00 every day. In the G0/0/1 interface configuration, which ACL rule needs to be bound to traffic-filter outbound?

Question16: The following statement about Python is incorrect ()

Question17: The output information of a router is shown in the figure. Which of the following statements are correct? ()

Question18: When accessing across network segments, the source and destination IP will change, and the source and destination MAC will not change

Question19: Which of the configurations in the following options belong to a Layer 2 ACL?

Question20: The network administrator configures the RTA on the Huawei router as shown in the figure. If a user needs to be authenticated in the authentication domain "huawei", the following description is correct.

Question21: Which of the following packet types is used by RADIUS to indicate authentication rejection? ()

Question22: When OSPF protocol establishes adjacency, which of the following parameters must be consistent.

Question23: Use the command kdir test in the VRP operating platform. The system will create a directory named test.

Question24: As shown in the figure, the network administrator creates VLAN2 on SWA and SWB. The ports connecting the hosts on the two switches are configured as Access ports. They are assigned to VLAN2. G0/0/1 of SWA and G0/0/2 of SWB are configured as Trunki ports. All VLANs are allowed to pass. What is needed to achieve normal communication between two hosts? () (Single-choice question)

Question25: There is a WeB server in the private network that needs to provide HITP services to public network users. Therefore, the network administrator needs to configure NAT on the gateway router RTA.

Question26: The output information of a certain device is shown in the figure. Which of the following statements is correct?

Question27: A company applies for a 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. for()

Question28: Network as shown in the picture. The administrator hopes that all hosts cannot access the Web service (the port number is 80). Other services can be accessed normally. In the interface configuration of G0/0/1, which ACL rule needs to be bound to trattie-frilter outbound?

Question29: Layer 2 ACL can match source MAC, destination MAC, source IP, destination IP and other information. ()

Question30: At what layer of the OSI reference model does a router operate? ( )

Question31: As shown in the figure below. Which port of the following switches will be blocked? () (Single-choice question)

Question32: The output information of the router R1 routing table is shown in the figure. Which of the following statements is correct?

Question33: Which of the following statements about IPv6 RA.
and RS messages are correct? ()

Question34: The router forwards data according to the IP routing table, and the Layer 2 switch forwards data according to the MAC. address table

Question35: What is the total length of the VLAN frame format defined by IEEE802.1Q? ()

Question36: ForwardD.Delay exists when an STP port transitions between which of the following states?

Question37: In the switching network shown in the figure below, all switches are running the STP protocol. When the topology is stable, modify the configuration of the BPDU sending cycle on which of the following switches.
Can affect the sending cycle of SWD configuration BPDUs.

Question38: When two switches are interconnected using link aggregation technology, which of the following conditions must be met by each member port?

Question39: By default, what is the forward delay time of the STP protocol in seconds?

Question40: What is the corresponding Solicited.-node multicast address for IPv6 iAilt2019::8:AB.? ()

Question41: 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? ()

Question42: Which of the following statements about Adjacency Segment is wrong? ()

Question43: On the switch, which VLANs can be deleted by using the undo command?

Question44: A network administrator of a company wants to be able to remotely manage the network equipment of the branch. Which of the following protocols will be used? ()

Question45: Network equipment running the SNMP protocol can take the initiative to report alarm information so that network administrators can find faults in time. ()

Question46: When an Access type port sends a message, it will ()*

Question47: Which of the following options describes the concept of the IEV architecture correct? ()*

Question48: By default, network devices running the SNMPv2C. protocol use which of the following port numbers to send trap messages to the network management system? ()

Question49: Which state does the OSPF protocol use to indicate that the adjacency relationship has been established?

Question50: When Huawei switches allow STP, the priority of the switch by default is ()

Question51: An ACL is essentially a packet filter. Only when the ACL is applied to the service module can the ACL take effect.

Question52: The transport layer protocol has UDP and TCP, but UDP is more reliable than TCP

Question53: As shown in the figure. If host A has the ARp cache table of host B, then host A can ping host B. ()(True or False)

Question54: In order to implement FIT AP online, FIT AP first needs to obtain the IP address of AC. Which of the following options is not included in FITAP obtaining the IP address of AC. ()

Question55: As shown in the figure below. All hosts can communicate normally. Is the corresponding relationship between SWA MAC address and port correct? () (Single-choice question)

Question56: The protocol uses the P/A.
mechanism to speed up the upstream port's transition to the Forwarding state, but what is the reason for no temporary loop? ()

Question57: The link aggregation interface can only be used as a Layer 2 interface (C)

Question58: The AC can manually specify the source address or source interface for creating the CAPWAP tunnel.

Question59: What is the port number used by the FTP protocol control plane?

Question60: Which of the following types of addresses are not included in IPv6 addresses? ()

Question61: By default, what is the lease period for the DHCP server to assign an IP address? ()

Question62: What are the three sources for routers to obtain routing entries? ()*

Question63: Which parameter is used in the spanning tree protocol for root bridge election? ()

Question64: In what state does the OSPF protocol determine the master-slave relationship of DD. packets? ()

Question65: Which of the following descriptions of wireless devices is correct?

Question66: What is the total length of port ID in Spanning Tree Protocol? ()

Question67: Which of the following statements about static routing is wrong?

Question68: If the administrator wants to update the VRP version of Huawei routers, the correct method is ().

Question69: Which of the following statements about RA and RS messages in IPv6 are correct?

Question70: When using the FTP protocol to upgrade the router software, the transmission mode should be selected ()

Question71: Which of the following subnet routes might be the route entry 10.0.0.24/29 aggregated from?

Question72: The MAC address table of existing switches is shown in the figure. Which of the following statements are correct? () (Single-choice question)

Question73: Which of the following statements about IPv6 address configuration are correct? ()*

Question74: What are the characteristics of VLAN based on ports?

Question75: The data link layer adopts PPP encapsulation, and the IP addresses at both ends of the link may not be in the same network segment.

Question76: As shown in the figure below, assuming that the MAC address table of SWA. is as follows, now host A.
sends a data frame with a destination MAC address of MAC-B. Which of the following statements is correct? ()

Question77: Which of the following port states does not include the RSTP protocol?

Question78: When the switch port receives a data frame that does not carry VLAN TAG, it must add PVID. ()

Question79: As shown in the figure, if the command ping 10.1.1.2 is executed on R1, the data frame of VLAN 10 received from LSW2 by LSW1 is tagged. ()(True or False)

Question80: Which information of the data frame is used by the VLANIF interface to determine whether to perform Layer 2 or Layer 3 forwarding? ()

Question81: As shown in the figure below, what kind of network equipment can host A and host B use to communicate? () (Single-choice question)

Question82: 192.168.1.127/25 represents () address ()

Question83: Which layers are not included in the TCP/IP model?

Question84: An AR2200 router needs to restore the initial configuration, which of the following operations are necessary?

Question85: The mask length is 12 bits can be expressed as?

Question86: On Huawei ARG3 series routers, what authentication modes does AAA. support? ()

Question87: The output information of a certain device is shown in the figure. Which of the following statements is correct? ( ) display interface G1gabitEthernet 0/0/0 G1 gabi tEthernet0/0/0 currentstate UP Line protocol current state UP Route Port,The Maximum Transmit Unit is 1000 Internet Address is 10.0.12.2/24 IP Sending Frames'Format is PRTFMT ETENT 2.Hardware address is 00e0-fc22-4fff Port Mode:FORCE COPPER SpeeD.:100, Loopback:NONE Duplex:FULL, Negotiation:DISABLE Md1 AUTO Last 300 seconds input rate 24 bits/seC.0 packets/sec Last 300 seconds output rate 24 bits /seC.0 packets/seC.*

Question88: The output information of the sub-interface of a router aggregate port 1 is shown in the figure. Based on this information, which of the following statements are correct?

Question89: Which of the following parameters is used in LCP negotiation to detect link loops and other abnormal conditions? ()

Question90: To ensure that the same data stream is forwarded on the same physical link, which load sharing method does Eth Trunk use?

Question91: The following two configuration commands can realize the master and backup backup of the router RIA to the same destination 10.1.1.0.

Question92: In the wLAN network architecture, terminal devices that support the 802.11 standard are called? ()

Question93: Complete the ACL configuration shown in the figure on the router RTA.
Which of the following descriptions is correct? () (Single-choice question) (RTA) acl 2001 (RTA-acl-basic-2001) rule 20 permit source 20.1.1.0 0.0.0.255
[RTA-acl-basic-2001]rule 10 deny source 20.1.1.0 0.0.0.255

Question94: The output information of a certain router is shown in the figure. Which of the following statements are correct?

Question95: In order to detect the connectivity status of the CAPWAP tunnel, after the CAPWAP tunnel is established, which of the following CAPTAP messages is used by the AC for detection? ()*

Question96: The CAPWAP protocol specifies the communication standard between AC and AP. Which of the following statements about the CAPWAP protocol is correct?

Question97: On Huawei devices, if you use aaA authentication to authorize. When the remote server does not respond, you can authorize from the network device side ()

Question98: As shown in the figure below, which port of the following switches will be blocked?

Question99: As shown in the figure, after the two routers are configured with 0SPF, the administrator configures the <silent-interface$0/0/0> command on RTA.
Is the following description correct? () (Multiple Choice Questions)

Question100: If the Ethernet data frame Length/Type=0x0806, which of the following statements is correct?

Question101: When the host frequently moves the office, which VLAN division method is most suitable? ()

Question102: On Huawei equipment, if AAA authentication is used for authorization, when the remote server does not respond, authorization can be performed from the network equipment side ()

Question103: In order for the STA to obtain the SSID related information on the AP, which of the following messages is used by the AP to proactively declare the wireless network SSID information? ()

Question104: PAP authentication is more secure than CHAP authentication because it does not carry passwords in clear text

Question105: UDP is connectionless and must rely on () to ensure the reliability of transmission.

Question106: In order to distinguish between different users and provide different network services on the AP. Which of the following can be configured through configuration? ()

Question107: The output information of a certain router is shown in the figure. Which of the following statements is correct?

Question108: The router needs to modify the destination IP address in the data packet when forwarding the data packet.

Question109: When using FTP for file transfer, how many TCP connections will be established?

Question110: What are the advantages of using dynamic host configuration protocol DHCP to assign IP addresses?

Question111: What is wrong about the ARP message? ()

Question112: What are the advantages of the OSPF protocol? ()*

Question113: If the Ethernet data frame Length/Type=0X0806, which statement is correct ()*

Question114: The network is shown in the figure below. Switch configuration information is shown in the figure. Which of the following statements is correct? () (Multiple Choice Questions)

Question115: The switch is connected to the host. What is the common port link type of the switch?

Question116: The output information of a certain router is shown in the figure. Which of the following statements is wrong?

Question117: In order to distinguish different users and provide different network services on the AP, which of the following can be configured?

Question118: When the LCP phase of PPP is negotiated, the content of the negotiation includes ()*

Question119: Which of the following advantages does the single-arm routing method achieve routing intercommunication between Vlan? ()

Question120: You can manually specify the source address or source interface of the CAPWAP tunnel on the AC. ()

Question121: Which bridge ID is unlikely to appear in the configuration BPDU sent by the switch?

Question122: The router Radius information configuration is shown in the figure. Which of the following statements are correct?
#Radius-server template Huawei radius-server shared.key cipher Huawei radius-server authentication 200.0.12.1 1812 radius-server accounting 200.0.12.1 1813#*

Question123: Which of the following parameters is used in LCP negotiation to detect link loops and other abnormal conditions?

Question124: The configuration information of a certain port of the switch is shown in the figure. What is the PVID of this port? () (Single-choice question)

Question125: By default, the lease period for the DHCP server to assign an IP address is?

Question126: What is the length of the Ethernet II frame containing the Ethernet header?

Question127: The output information of the router R1 routing table is shown in the figure. Which of the following statements is correct? () (Multiple Choice Questions)
<R1>display ip routing-table
Route Flags: R-relay, D-download to fib

Question128: According to the command output as shown in the figure, which of the following descriptions is correct? () (Multiple Choice Questions)

Question129: Which of the following statements are correct for the MAC address of the existing switch? ()

Question130: If host A.
has the ARP cache of host B., host A.
can ping host B. ()

Question131: The Layer 2 Ethernet switch generates entries in the MAC address table according to the () of the Ethernet frame received by the port.

Question132: 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 ()

Question133: What is the function of the command port trunk allow pass vlan all? ()

Question134: How many bytes is the length of the basic IPV6 header?

Question135: The two switches shown in the figure below have both enabled the STP protocol. Which port will eventually be in the Blocking state? ()

Question136: Apply the ACL configured as shown in the figure in Telnet. Which of the following statements is correct?

Question137: Trunk ports can allow multiple VLANs to pass, including VLAN4096. ()

Question138: The election of the root switch in STP only compares the priority of the switch, while in RSTP, the priority of the switch is compared with the MAC address at the same time. ()

Question139: What are the ACL classifications*

Question140: 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?

Question141: Which of the following fields are present in both IPv6 and IPv4 packet headers?

Question142: The switch becomes a logical switch after stacking and clustering, and Eth-Trunk across physical devices can be deployed to improve network reliability.

Question143: 1/128 is the IPv6 loopback address ()

Question144: In the network shown in the figure below, there are the following configurations in Router A.
Which of the following statements is correct?
ip route-statiC.10.0.2.2255.255.255.25510.0.12.2iP
Route-statiC.10.0.2.2255.255.255.25510.0.21.2pre ference 70

Question145: The output information of the sub-interface of a certain router's aggregation port 1 is shown in the figure. Based on this information, which of the following statements is correct? ( )
[Router A] display Interface Eth-Trunk 1.100Eth-Trunk1.100 current state UP Line protocol current state UP Last line protocol up time 2019-03-04 10:22:40 UTC.-08:00 Description: HUAWEI, ARSeries, Eth-Trunk1.100 Interface Route Port, Hash arithmetiC.:According to SIP-XOR-DIP, Maximal BW:2G.Current BW:2G, The Maximum Transmit Unit is 1500 Internet Address is 10.0.12.2/24 IP Sending Frames'Format is PKTFIT ETENT 2, Hardwareaddress 1s 00e0-fc3b-2015 Current system time:2019-03-04 10:24:29-08:00 Last 300 seconds input rate0 bits/sec.0 packets/sec Last 300 seconds output rate 0 bits /seC.0 packets/sec Realtime 0 seconds inputrate 0 bits/seC.0 packets/sec Realtime 0 seconds output rate 0 bits/seC.0 packets/sec Input: 6 packets, 574 bytes, Output: 7 packets, 638 bytes, Input bandwidth utilization 0% Output bandwidth utilization 0% PortName Status Weight GigabitEthernet0/0/1 UP 1 GigabitEthernet0/0/2 UP 1 The Number of Ports in Trunk:2 The Number of UP Ports in Trunk:2*

Question146: Which of the following methods can read data non-blocking in Python's telnetliB.? ()

Question147: 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? ()

Question148: Which information of the data frame is used by the VLANIF interface to determine whether to forward Layer
2 or Layer 3 forwarding?

Question149: Which of the following IEE802.11 standards support operation in the 2.4GH and 5GH frequency bands?

Question150: Which of the following messages does the AP use to request the software version from AC.? ()

Question151: What is wrong about the following description of the router? ()

Question152: In the network shown in the figure below, Router A uses manual mode link aggregation, and adds G0/0/1 and G0/0/2 ports to aggregation group 1. What is wrong about the status of Router A's aggregation port 1?

Question153: When the device running STP receives the RSTP configuration BPDU, it will discard it. ()

Question154: If the Length/Type of an Ethernet data frame is 0x8100. Which of the following statements is correct?

Question155: The IPv6 address 2001: ABEF:2240E:FFE2:BCC0:CD0:DDBE:8D58 cannot be abbreviated. ()

Question156: NFV (Network Functional Virtualization), network function virtualization, realizes the deployment of network applications in a software-based way. ()

Question157: When the switch port sends a data frame that carries the same VLANTAG and PVID., it must be stripped of VLANTAG and forwarded. ()

Question158: 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.
This data packet is forwarded by the router. What are the destination mc and destination IP? () (Single-choice question)

Question159: The figure shows the display startup information of the R2200 router, about these information. What is wrong is.

Question160: VLAN4095 cannot be created on Huawei switches, and VLAN1 cannot be created ()

Question161: The CAPWAP control tunnel and data tunnel transmission adopt the same port number.

Question162: Which of the following IPv6 is a global unicast address ()

Question163: As shown in the figure below, assuming that the other configurations of the switch are kept in the default state, which port of the following switch will become the designated port? () (Multiple Choice Questions)