Exam4Training

Huawei H12-211-ENU HCIA-Routing&Switching(Huawei Certified ICT Associate) Online Training

Question #1

A network administrator has captured a data frame in the network with the destination MAC address of 01-00-5E-A0-B1-C3.

The correct statement about this MAC address is ().

  • A . It is a unicast MAC address
  • B . It is a broadcast MAC address
  • C . It is a multicast MAC address
  • D . It is an illegal MAC address

Reveal Solution Hide Solution

Correct Answer: C
Question #2

Which of the following is not the working principle of CSMA/CD?

  • A . Listen While Talk
  • B . RRetransmission after a fixed time delay
  • C . Conflict suspension
  • D . Retransmission after random delay
  • E . Listen Before Talk

Reveal Solution Hide Solution

Correct Answer: B
Question #3

The IPv4 address of the host is 200.200.200.201/30.

Which host with the following IPv4 address and its communication do not need to be forwarded by the router?

  • A . 200.200.200.1
  • B . 200.200.200.202
  • C . 200.200.200.200
  • D . 200.200.200.203

Reveal Solution Hide Solution

Correct Answer: B
Question #4

If the Ethernet data frame is Length/Type=0x0806, which of the following statement is correct? (Multiple Choice)

  • A . This data frame is an Ethernet II frame.
  • B . This data frame is an IEEE 802.3 frame
  • C . The source MAC address of this data frame must not be FFFF-FFFF-FFFFF.
  • D . The destination MAC address of this data frame must be FFFF-FFFF-FFFFF.

Reveal Solution Hide Solution

Correct Answer: AC
Question #5

When a router enabled with Proxy ARP function receives an ARP request packet and finds that the requested IP address is not its own, what actions are performed? (Multiple Choice)

  • A . If there is a route to the destination address, send its own MAC address to the ARP requester.
  • B . Discard the message
  • C . Broadcast ARP request message
  • D . Find if there is a route to the destination address or not

Reveal Solution Hide Solution

Correct Answer: AD
Question #6

Which of the following storage media are commonly used by Huawei routers? (Multiple Choice)

  • A . SDRAM
  • B . NVRAM
  • C . Flash
  • D . Hard Disk
  • E . SD Card

Reveal Solution Hide Solution

Correct Answer: ABCE
Question #7

The VRP operating system commands are divided into four levels: access level, monitoring level, configuration level, and management level.

Which level can run various business configuration commands but cannot operate the file system?

  • A . Access level
  • B . Monitoring level
  • C . Configuration level
  • D . Management level

Reveal Solution Hide Solution

Correct Answer: C
Question #8

On the VRP interface, you cannot use the command delete or unreserved vrpcfg.zip to delete files. You must empty them in the recycle bin to delete files completely.

  • A . TRUE
  • B . FALSE

Reveal Solution Hide Solution

Correct Answer: B
Question #9

The switch MAC address table is existing as follows, which of the following statements is correct?

  • A . The MAC address 5489-9885-1838 is manually configured by the administrator.
  • B . The MAC address 5489-9811-0b49 is manually configured by the administrator
  • C . The MAC address 5489-3891-1450 is manually configured by the administrator.
  • D . After the switch is restarted, all MAC addresses need to be re-learned.

Reveal Solution Hide Solution

Correct Answer: B
Question #10

As shown in the figure below, the switch starts the STP protocol.

When the network is stable, which of the following statements are correct? (Multiple Choice)

  • A . SWB is the root bridge in this network
  • B . SWA is the root bridge in this network
  • C . Both ports of SWB are in Forwarding state.
  • D . Both ports of SWC are in Forwarding state.

Reveal Solution Hide Solution

Correct Answer: BC

Question #11

The STP protocol is enabled on both switches shown in the figure below.

An engineer made the following conclusions on this network.

Do you think what is the correct conclusion? (Multiple Choice)

  • A . The G0/0/2 port of SWB is stable in the Forwarding state.
  • B . The G0/0/2 port of SWA is stable in the Forwarding state.
  • C . Both ports of SWB are designated ports.
  • D . The G0/0/3 port of SWA is stable in the Forwarding state.
  • E . Both ports of SWA are designated ports.

Reveal Solution Hide Solution

Correct Answer: ABDE
Question #12

Compared to STP protocol, which kind of port role is added in RSTP protocol? (Multiple Choice)

  • A . Alternate port
  • B . Backup port
  • C . Root port
  • D . Designated port

Reveal Solution Hide Solution

Correct Answer: AB
Question #13

As shown in the figure, the two switches use the default parameters to run STP. On Switch A, the configuration command STP root primary is used. On the switch B, the configuration command STP priority 0 is used.

Which of the following ports will be blocked?

  • A . G0/0/2 of switch A
  • B . G0/0/1 of switch B
  • C . G0/0/1 of switch A
  • D . E0/0/3 of HUB

Reveal Solution Hide Solution

Correct Answer: A
Question #14

Which of the following parameters does not the configuration BPDU packet of the STP protocol?

  • A . Port ID
  • B . Bridge ID
  • C . VLAN ID
  • D . Root ID

Reveal Solution Hide Solution

Correct Answer: C
Question #15

By default, how many seconds are the Forward Delay of STP protocol?

  • A . 20
  • B . 15
  • C . 10
  • D . 5

Reveal Solution Hide Solution

Correct Answer: B
Question #16

Which of the following parameters are used in the switched network that runs the STP protocol when performing spanning tree calculations? (Multiple Choice)

  • A . Root path cost
  • B . Port ID
  • C . Bridge ID
  • D . Forward Delay

Reveal Solution Hide Solution

Correct Answer: ABC
Question #17

In the STP protocol, assume that all switches are configured with the same priority. The MAC address of switch 1 is 00-e0-fc-00-00-40, and the MAC address of switch 2 is 00-e0-fc-00-00-10, the MAC address of switch 3 is 00-e0-fc-00-00-20, and the MAC address of switch 4 is 00-e0-fc-00-00-80, then the root switch should be ().

  • A . Switch 1
  • B . Switch 2
  • C . Switch 3
  • D . Switch 4

Reveal Solution Hide Solution

Correct Answer: B
Question #18

The network shown in the figure below, the MAC address of the switch has been marked. Enter the command stp root secondary on the SWD switch.

Which of the following switches will become the root bridge of this network?

  • A . SWA
  • B . SWB
  • C . SWC
  • D . SWD

Reveal Solution Hide Solution

Correct Answer: D
Question #19

Both the two switches shown in the following figure have STP enabled.

Which port will eventually be in the Blocking state?

  • A . G0/0/2 port of SWA
  • B . G0/0/3 port of SWA
  • C . G0/0/2 port of SWB
  • D . G0/0/3 port of SWB

Reveal Solution Hide Solution

Correct Answer: D
Question #20

The network as shown in the following figure, after the OSPF protocol is stable, what is the neighbor status of Router A and Router B?

  • A . 2-way
  • B . Down
  • C . Full
  • D . Attempt

Reveal Solution Hide Solution

Correct Answer: C

Question #21

In the network shown below, which of the following commands can be entered in the router to enable Host A to ping through Host B? (Multiple Choice)

  • A . Router A: ip route-static 10.0.12.5 255.255.255.252 11.0.12.1
    Router B: ip route-static 10.0.12.1 255.255.255.252 11.0.12.2
  • B . Router A: ip route-static 0.0.0.0 0.0.0 11.0.12.1
    Router B: ip route-static 0.0.0.0 0.0.0 11.0.12.2
  • C . Router A: ip route-static 10.0.12.5 255.255.255.252 11.0.12.2
    Router B: ip route-static 10.0.12.1 255.255.255.252 11.0.12.1
  • D . Router A: ip route-static 0.0.0.0 0.0.0 11.0.12.2
    Router B: ip route-static 0.0.0.0 0.0.0 11.0.12.1

Reveal Solution Hide Solution

Correct Answer: CD
Question #22

The network as shown in the following figure, the following configurations exist on the Router A.

ip route-static 10.0.2.2 255.255.255.25510.0.12.2

ip route-static 10.0.2.2 255.255.255.255 10.0.21.2 preference 70

Which of the following statements are correct? (Multiple Choice)

  • A . The NextHop that reaches 10.0.2.2 in the routing table of Router A is 10.0.12.2.
  • B . If the G0/0/1 port is Down, the route that Router A reaches 10.0.0.2 is changed to 10.0.21.2.
  • C . The NextHop that reaches 10.0.2.2 in the routing table of Router A is 10.0.21.2.
  • D . If the G0/0/2 port is Down, the route that Router A reaches 10.0.0.2 is changed to 10.0.12.2.

Reveal Solution Hide Solution

Correct Answer: AB
Question #23

Which of the following OSPF versions are suitable for IPv6?

  • A . OSPFv2
  • B . OSPFv3
  • C . OSPFv4
  • D . OSPFv1

Reveal Solution Hide Solution

Correct Answer: B
Question #24

T he network as shown in the following figure, which of the following commands can enable RouterA to forward a packet with the destination IP address of 10.0.0.3? (Multiple Choice)

  • A . ip route-static 10.0.3.3 255.255.255.255 10.0.12.2
  • B . ip route-static 10.0.2.2 255.255.255.255 10.0.12.2 ip route-static 10.0.3.3 255.255.255.255 10.0.2.2
  • C . ip route-static 0.0.0.0 0.0.0.0 10.0.12.2
  • D . ip route-static 10.0.3.3 255.255.255.255 10.0.2.2

Reveal Solution Hide Solution

Correct Answer: ABC
Question #25

Which of the following about the statement of static routing are incorrect?

  • A . Manual configuration by network administrator
  • B . Inter-route information needs to be exchanged between routers
  • C . Can not automatically adapt to changes in network topology
  • D . Low system performance requirements

Reveal Solution Hide Solution

Correct Answer: B
Question #26

Which of the following commands can be used to check whether OSPF has correctly established neighbor relationships?

  • A . display ospf neighbor
  • B . display ospf brief
  • C . display ospf peer
  • D . display ospf interface

Reveal Solution Hide Solution

Correct Answer: C
Question #27

For multiple paths to the same destination network, the router needs to select by comparing the size of the Cost value. If the value of the Cost is the same, then select according to the size of the Preference value.

  • A . True
  • B . False

Reveal Solution Hide Solution

Correct Answer: B
Question #28

As shown in the figure below, Host A and Host B cannot communicate.

  • A . True
  • B . False

Reveal Solution Hide Solution

Correct Answer: A
Question #29

For multiple paths to the same destination network, the router needs to select by comparing the size of the Preference value. If the Preference is the same, then select according to the size of the Cost value.

  • A . True
  • B . False

Reveal Solution Hide Solution

Correct Answer: A
Question #30

The routing table consists of multiple elements.

What is wrong with the following statement?

  • A . Proto shows to learn the routing protocol of this route
  • B . NextHop shows the local interface address of this route
  • C . Pre shows the priority of this routing protocol
  • D . Destination/Mask shows the address and mask length of the destination network/host

Reveal Solution Hide Solution

Correct Answer: B

Question #31

The correct description of the following is (). (Multiple Choice)

  • A . The next hop in the routing table is redundant. If there is an outgoing interface, the packet can be forwarded.
  • B . Routes obtained through different routing protocols have different priorities
  • C . The metrics defined by different routing protocols are not comparable
  • D . The metrics defined by different routing protocols are comparable

Reveal Solution Hide Solution

Correct Answer: BC
Question #32

Ip route-static 10.0.2.2 255.255.255.25510.0.12.2 preference 20, about this command, which is the correct statement? (Multiple Choice)

  • A . The route can guide the data packets forwarding with the destination IP address of 10.0.2.2.
  • B . The route can guide the data packets forwarding with the destination IP address 10.0.12.2.
  • C . The priority of the route is 20
  • D . The NextHop of the route is 10.0.12.2

Reveal Solution Hide Solution

Correct Answer: ACD
Question #33

The network as shown in the following figure, when the network administrator performs traffic planning, it is expected that the packets sent by Host A to Host B will be connected to G0/0/3 interface between the routers. The packets sent by Host B to Host A go pass the G0/0/4 interface between routers.

Which of the following commands can implement this requirement? (Multiple Choice)

  • A . Router A: ip route-static 10.0.12.5 255.255.255.252 11.0.12.2
    Router B: ip route-static 10.0.12.1 255.255.255.252 11.0.12.5
  • B . Router A: ip route-static 0.0.0.0 0.0.0.0 11.0.12.6
    Router B: ip route-static 0.0.0.0 0.0.0.0 11.0.12.1
  • C . Router A: ip route-static 10.0.12.5 255.255.255.252 11.0.12.6
    Router B: ip route-static 10.0.12.1 255.255.255.252 11.0.12.1
  • D . Router A: ip route-static 0.0.0.0 0.0.0.0 11.0.12.2
    Router B: ip route-static 0.0.0.0 0.0.0.0 11.0.12.5

Reveal Solution Hide Solution

Correct Answer: AD
Question #34

If the IP address requested by the DHCP client is already occupied, which packet will the DHCP server use as the response?

  • A . DHCP ACK
  • B . DHCP RELEASE
  • C . DHCP NAK
  • D . DHCP DISCOVER

Reveal Solution Hide Solution

Correct Answer: C
Question #35

The DHCP REQUEST message must be sent in broadcast form.

  • A . True
  • B . False

Reveal Solution Hide Solution

Correct Answer: B
Question #36

Which DHCP message does the DHCP client send when it wants to leave the network?

  • A . DHCP DISCOVER
  • B . DHCP RELEASE
  • C . DHCP REQUEST
  • D . DHCP ACK

Reveal Solution Hide Solution

Correct Answer: B
Question #37

Huawei devices can be managed using the Telnet protocol.

Which of the following statements is correct about this management function?

  • A . The port number used by Telnet defaultly is 22, which cannot be modified.
  • B . Telnet must enable the VTY interface, and the maximum is 15
  • C . Telnet does not support authentication based on username and password
  • D . Telnet does not support deploying ACLs to increase security.

Reveal Solution Hide Solution

Correct Answer: B
Question #38

As shown, the topology and the configuration on the switch interconnect port, you can determine that the data frame labeled as VLAN 10 can be forwarded normally between the two switches.

  • A . True
  • B . False

Reveal Solution Hide Solution

Correct Answer: B
Question #39

The output information of a port of the switch is as follows.

What is wrong with the following statement?

  • A . If the data frame carries a VLAN TAG of 200, the switch strips the VLAN TAG and sends out
  • B . If the port receives a data frame without VLAN TAG, the switch needs to add VLAN TAG100.
  • C . The link type of the port is Hybrid type.
  • D . If the data frame carries a VLAN TAG of 100, the switch strips the VLAN TAG and sends out.

Reveal Solution Hide Solution

Correct Answer: A
Question #40

Which information of the data frame is judged by the VLANIF interface to perform Layer 2 forwarding or Layer 3 forwarding?

  • A . Destination MAC
  • B . Source IP
  • C . Destination port
  • D . Source MAC

Reveal Solution Hide Solution

Correct Answer: A

Question #41

Packets forwarded between two routers must not carry VLAN TAG.

  • A . True
  • B . False

Reveal Solution Hide Solution

Correct Answer: B
Question #42

The Priority field in the VLAN tag identifies the priority of the data frame.

What is the priority range?

  • A . 0-15
  • B . 0-63
  • C . 0-7
  • D . 0-3

Reveal Solution Hide Solution

Correct Answer: C
Question #43

What is the characteristic of port-based VLAN partition?

  • A . Add a VLAN tag to the data frame based on the IP address carried in the packet.
  • B . Assign the VLAN ID according to the protocol type and encapsulation format of the data frame.
  • C . The host moving location no need to reconfigure the VLAN
  • D . The host moving location needs to reconfigure VLAN

Reveal Solution Hide Solution

Correct Answer: D
Question #44

The Protocol field in the PPP frame format is 0xC223, indicating that the protocol is:

  • A . CHAP
  • B . PAP
  • C . NCP
  • D . LCP

Reveal Solution Hide Solution

Correct Answer: A
Question #45

The configuration information of a router is as follows.

Which combination of username and password used by the peer router can enable PPP channel associated to complete authentication?

  • A . Username: test1 Password: test1
  • B . Username: test Password: test
  • C . Username: test2 Password: test
  • D . Username: test2 Password: test2

Reveal Solution Hide Solution

Correct Answer: B
Question #46

Which method does the PPPoE client use to send PADI packets to the Server?

  • A . Broadcast
  • B . Unicast
  • C . Multicast
  • D . Anycast

Reveal Solution Hide Solution

Correct Answer: A
Question #47

The network shown in the following figure requires the network where the host is located to access the Internet through Easy IP.

Which of the following ACLs should be used on the G0/0/3 interface of the router?

  • A . acl number 2000 rule 5 permit source 10.0.13.1 0.0.0.0 #
  • B . acl number 2000 rule 5 permit source 10.0.12.0 0.0.0.255 #
  • C . acl number 2000 rule 5 permit source 10.0.12.1 0.0.0.0
  • D . acl number 2000 rule 5 permit source 10.0.13.0 0.0.0.255

Reveal Solution Hide Solution

Correct Answer: D
Question #48

The configuration information of a router is as follows.

Which of the following statement is correct? (Multiple Choice)

  • A . The domain which domain name is huawei does not use the accounting scheme.
  • B . If the username huawei is used for authentication, the password needs to be 654321.
  • C . The authorization mode used by the domain which domain name is huawei is local authorization.
  • D . The authentication mode used by the domain which domain name is huawei is local authentication.

Reveal Solution Hide Solution

Correct Answer: AC
Question #49

The IKE protocol is used to establish an SA for IPsec auto-negotiation, which can support identity authentication when the address of the initiator of the negotiation changes dynamically.

  • A . True
  • B . False

Reveal Solution Hide Solution

Correct Answer: A
Question #50

By default, in the SNMP protocol, which port number is used by the proxy process to send an alarm message to the NMS?

  • A . 163
  • B . 161
  • C . 162
  • D . 164

Reveal Solution Hide Solution

Correct Answer: C

Question #51

If the result of the packet matching ACL is "reject", the packet is finally discarded.

  • A . True
  • B . False

Reveal Solution Hide Solution

Correct Answer: B
Question #52

In terms of security, IPsec tunnel mode is superior to IPsec transport mode.

  • A . True
  • B . False

Reveal Solution Hide Solution

Correct Answer: A
Question #53

What is the status of the OSPFv3 adjacency relationship after it is established?

  • A . Loading
  • B . 2-way
  • C . Full
  • D . Down

Reveal Solution Hide Solution

Correct Answer: C
Question #54

The network as shown in the following figure, when OSPFv3 is enabled on all interfaces, Router A and Router B cannot establish adjacencies.

  • A . True
  • B . False

Reveal Solution Hide Solution

Correct Answer: A
Question #55

Which of the following fields are fields that exist in both IPv6 and IPv4 headers? (Multiple Choice)

  • A . Source Address
  • B . Version
  • C . Destination Address
  • D . Next Header

Reveal Solution Hide Solution

Correct Answer: ABC
Question #56

What is the destination address of the DHCPv6 request packet?

  • A . FF01::1:2
  • B . FF02::1:2
  • C . FF02::1
  • D . FF02::2

Reveal Solution Hide Solution

Correct Answer: B
Question #57

By default, how many seconds is the period of OSPFv3 HELLO packet sending on the Ethernet link?

  • A . 30
  • B . 10
  • C . 20
  • D . 40

Reveal Solution Hide Solution

Correct Answer: B
Question #58

Which of the following fields does the MPLS header include? (Multiple Choice)

  • A . Label
  • B . EXP
  • C . TTL
  • D . Tos

Reveal Solution Hide Solution

Correct Answer: ABC
Question #59

SR (SegmentRouting) defines a destination address prefix/node and adjacency in the network as segments, and assigns SIDs (Segment IDs) to the segments. By performing an unordered list of Adjacency SIDs and Prefix/Node SIDs (destination address prefixes/node segments), a forwarding path is obtained.

  • A . True
  • B . False

Reveal Solution Hide Solution

Correct Answer: B
Question #60

The ARP protocol can resolve the MAC address of the target device according to the destination IP address, thereby, to map the link layer address and the IP address.

  • A . True
  • B . False

Reveal Solution Hide Solution

Correct Answer: A

Question #61

The Tracert diagnostic tool records the () of each ICMP TTL timeout message so that the user can be provided with the IP address of the packet when it arrives at the destination.

  • A . Destination port
  • B . Source port
  • C . Destination IP address
  • D . Source IP address

Reveal Solution Hide Solution

Correct Answer: D
Question #62

VLSM can expand any IP network segment, including Class D addresses.

  • A . True
  • B . False

Reveal Solution Hide Solution

Correct Answer: B
Question #63

Which fields in the IPv4 header are related to sharding? (Multiple Choice)

  • A . Fragment Offset
  • B . Flags
  • C . TTL
  • D . Identification

Reveal Solution Hide Solution

Correct Answer: ABD
Question #64

The pwd and dir commands in the VRP operating platform can view the file information in the current directory.

  • A . True
  • B . False

Reveal Solution Hide Solution

Correct Answer: B
Question #65

The output information of a router is as follows.

Which of the following statement is correct? (Multiple Choice)

  • A . The currently used VRP version file is the same as the VRP file used for the next startup.
  • B . The currently used VRP version file is different from the VRP file used for the next startup.
  • C . The currently used configuration file is different from the one used for the next startup.
  • D . The currently used configuration file is the same as the one used for the next startup.

Reveal Solution Hide Solution

Correct Answer: AC
Question #66

For a switch running STP, the port can be directly converted to the Disabled state in any state.

  • A . True
  • B . False

Reveal Solution Hide Solution

Correct Answer: A
Question #67

Which of the following MAC addresses will not age? (Multiple Choice)

  • A . Dynamic MAC address
  • B . Black hole MAC address
  • C . Static MAC address
  • D . Port MAC address

Reveal Solution Hide Solution

Correct Answer: BC
Question #68

By default, the bridge priority of a switch is 32768.

  • A . True
  • B . False

Reveal Solution Hide Solution

Correct Answer: A
Question #69

Which port of the following switches is blocked as shown in the following figure?

  • A . G0/0/2 of SWC
  • B . G0/0/1 of SWC
  • C . G0/0/3 of SWB
  • D . G0/0/3 of SWA

Reveal Solution Hide Solution

Correct Answer: B
Question #70

As shown in the following figure, all hosts can communicate normally.

What is the correct relationship between the SWBMAC address and the port?

  • A . MAC-A G0/0/3 MAC-B G0/0/3 MAC-C G0/0/1
  • B . MAC-A G0/0/1 MAC-B G0/0/2 MAC-C G0/0/3
  • C . MAC-A G0/0/2 MAC-B G0/0/2 MAC-C G0/0/3
  • D . MAC-A G0/0/1 MAC-B G0/0/1 MAC-C G0/0/3

Reveal Solution Hide Solution

Correct Answer: A

Question #71

A switch running STP protocol will send TCN BPDUs only when a port on the switch fails.

  • A . True
  • B . False

Reveal Solution Hide Solution

Correct Answer: B
Question #72

How many bits of the Port ID total length in the spanning tree protocol?

  • A . 16
  • B . 4
  • C . 2
  • D . 8

Reveal Solution Hide Solution

Correct Answer: A
Question #73

As shown in the figure, the correct description about this network topology is ().

  • A . There are 6 collision domains in this network.
  • B . There are 6 broadcast domains in this network.
  • C . There are 12 collision domains in this network.
  • D . There are 2 broadcast domains in this network.

Reveal Solution Hide Solution

Correct Answer: D
Question #74

Which of the following statements about the Backup port in the RSTP protocol is correct?

  • A . Backup port as a backup of the designated port, providing another backup path from the root bridge to the corresponding network segment
  • B . Backup port not only forwards user traffic but also learns MAC address
  • C . Backup port does not forward user traffic but learns MAC address
  • D . Backup port provides another switchable path from the designated bridge to the root as the backup port of the root port

Reveal Solution Hide Solution

Correct Answer: A
Question #75

A network consisting of switches does not have STP enabled. A Layer 2 loop must occur.

  • A . True
  • B . False

Reveal Solution Hide Solution

Correct Answer: B
Question #76

When a port running the standard STP protocol receives a suboptimal BPDU, it immediately sends its own configuration BPDU from this port.

  • A . True
  • B . False

Reveal Solution Hide Solution

Correct Answer: A
Question #77

As shown in the following figure, all routers run OSPF protocol. The top of the link is the size of the Cost value.

What is the path of the RA to the network 10.0.0.8/8?

  • A . A-B-D
  • B . RA can not reach 10.0.0.0/8
  • C . A-D
  • D . A-C-D

Reveal Solution Hide Solution

Correct Answer: D
Question #78

Which of the following statements about OSPF neighbor status is correct? (Multiple Choice)

  • A . In the Exchange state, the routers send each other a DD packet containing the summary of the link state information to describe the content of the local LSDB.
  • B . The master-slave relationship of OSPF is formed in the ExStart state.
  • C . After the router LSDB is synchronized, it is converted to the Full state.
  • D . The serial number of the DD packet is determined in the Exchange state.

Reveal Solution Hide Solution

Correct Answer: ABC
Question #79

On the network shown in the following figure, the administrator wants Router A to use static routes to send packets to Router B priority through G0/0/1.

Which command can be used to meet this requirement?

  • A . ip route-static 10.0.2.2 255.255.255.255 10.0.12.2
    ip route-static 10.0.2.2 255.255.255.255 10.0.21.2 preference 40
  • B . ip route-static 10.0.2.2 255.255.255.255 10.0.12.2
    ip route-static 10.0.2.2 255.255.255.255 10.0.21.2 preference 70
  • C . ip route-static 10.0.2.2 255.255.255.255 10.0.12.2
    ip route-static 10.0.2.2 255.255.255.255 10.0.21.2
  • D . ip route-static 10.0.2.2 255.255.255.255 10.0.12.2 preference 70
    ip route-static 10.0.2.2 255.255.255.255 10.0.21.2

Reveal Solution Hide Solution

Correct Answer: B
Question #80

ip route-static 10.0.12.0 255.255.255.0 192.168.1.1

The correct description about this command is ().

  • A . The priority of this route is 100.
  • B . This command configures a route to the 192.168.1.1 network.
  • C . This command configures a route to the 10.0.12.0 network.
  • D . If the router learns the route of the same destination network as this route through other protocols, the router will prefer this route.

Reveal Solution Hide Solution

Correct Answer: C

Question #81

Network structure and OSPF partition as shown in the figure, except for R1, routers R2, R3 and R4 are ABR routers of OSPF.

  • A . True
  • B . False

Reveal Solution Hide Solution

Correct Answer: B
Question #82

As shown in the configuration, the administrator has configured OSPF on R1, but R1 cannot learn the routes of other routers.

[R1] ospf

[R1-ospf-1] area 1

[R1-ospf-1-area-0.0.0.1] network 10.0.12.0 0.0.0.255

The possible reason is (). (Multiple Choice)

  • A . This router is not configured with authentication, but the neighbor router is configured with authentication.
  • B . The OSPF process ID is not configured when this router is configured.
  • C . The area ID configured by this router is different from the area ID of its neighbor router.
  • D . This router does not announce the network connecting neighbors when configuring OSPF.

Reveal Solution Hide Solution

Correct Answer: ACD
Question #83

Which of the following data packets is the OSPF protocol encapsulated in?

  • A . IP
  • B . HTTP
  • C . UDP
  • D . TCP

Reveal Solution Hide Solution

Correct Answer: A
Question #84

Whichi of the following about the default route is correct? (Multiple Choice)

  • A . The default route can only be manually configured by the administrator.
  • B . In the routing table, the default route appears as a route to the network 0.0.0.0 (the mask is also 0.0.0.0)
  • C . There must be a default route in the routing table of any router.
  • D . If the destination address of the packet cannot match any destination address of the routing table, the packet will be forwarded by selecting the default route.

Reveal Solution Hide Solution

Correct Answer: BD
Question #85

When configuring a static route on a broadcast interface, you can configure a static route by specifying the next hop address or outbound interface.

  • A . True
  • B . False

Reveal Solution Hide Solution

Correct Answer: B
Question #86

Which of the following attributes cannot be used as a parameter to measure Cost?

  • A . Delay
  • B . sysname
  • C . Hop count
  • D . Bandwidth

Reveal Solution Hide Solution

Correct Answer: B
Question #87

As shown in the following figure, Router A and Router B establish an OSPF neighbor relationship. The OSPF process ID of Router A is 1 and the area ID is 0.

Which of the following methods can enable Router B to obtain the route of the network segment where Host A is located? (Multiple Choice)

  • A . ospf 1
    area 0.0.0.0
    network 192.168.1.00.0.0.255 #
  • B . ospf 1
    import-route direct #
  • C . ospf 1
    area 0.0.0.0
    network 192.168.0.00.0.255.255
  • D . ospf 1
    area 0.0.0.0
    network 192.168.1.2 0.0.0.0 #

Reveal Solution Hide Solution

Correct Answer: ABCD
Question #88

Which of the following fields does not contain in HELLO packets of OSPF protocol?

  • A . Neighbor
  • B . sysname
  • C . Hello Interval
  • D . Network Mask

Reveal Solution Hide Solution

Correct Answer: B
Question #89

What are the roles of OSPF DR and BDR? (Multiple Choice)

  • A . Reduce the number of adjacencies
  • B . Reduce the type of OSPF packets
  • C . Reduce the time it takes to establish adjacency
  • D . Reduce the number of exchanges of link state information

Reveal Solution Hide Solution

Correct Answer: AD
Question #90

Which of the following are routing protocols? (Multiple Choice)

  • A . BGP
  • B . IPX
  • C . OSPF
  • D . IP

Reveal Solution Hide Solution

Correct Answer: AC

Question #91

A company network administrator wants to be able to remotely manage branch network devices.

Which of the following protocols will be used?

  • A . VLSM
  • B . Telnet
  • C . RSTP
  • D . CIDR

Reveal Solution Hide Solution

Correct Answer: B
Question #92

Which of the following message types does DHCP contain? (Multiple Choice)

  • A . DHCP ROLLOVER
  • B . DHCP DISCOVER
  • C . DHCP REQUEST
  • D . DHCP OFFER

Reveal Solution Hide Solution

Correct Answer: BCD
Question #93

Telnet is based on the TCP protocol.

  • A . True
  • B . False

Reveal Solution Hide Solution

Correct Answer: A
Question #94

If the administrator performs the configuration below on the Router, the the host connected to the G1/0/0 interface of the router can obtain what kind of the IP address through DHCP?

  • A . The IP address obtained by the host belongs to the 10.10.10.0/24 network.
  • B . The host cannot obtain an IP address.
  • C . The IP address obtained by the host belongs to the 10.20.20.0/24 network.
  • D . The IP address obtained by the host may belong to the 10.10.10.0/24 network, or it may belong to the 10.20.20.0/24 network.

Reveal Solution Hide Solution

Correct Answer: A
Question #95

What should do when the Access port sends a data frame?

  • A . Replace VLAN TAG forwarding
  • B . Stripping TAG forwarding
  • C . Mark PVID forwarding
  • D . Send a message with TAG

Reveal Solution Hide Solution

Correct Answer: B
Question #96

If the configuration information of a port on a switch is as follows, when this port sent the data frames of which VLAN, the VLAN TAG is stripped?

  • A . 4,5,6
  • B . 4,6
  • C . 1,4,6
  • D . 1,4,5,6

Reveal Solution Hide Solution

Correct Answer: C
Question #97

The configuration information of a port on the switch is as follows, when the port sends the data frame of which VLAN TAG is carried, the VLAN TAG is stripped?

  • A . 10
  • B . 20
  • C . 30
  • D . 40

Reveal Solution Hide Solution

Correct Answer: A
Question #98

When a port of the switch sends a data frame carrying the same VLAN TAG and PVID, it must strip the VLAN TAG forwarding.

  • A . True
  • B . False

Reveal Solution Hide Solution

Correct Answer: B
Question #99

As shown in the following figure, Router A uses manual link aggregation and adds G0/0/1 and G0/0/2 ports to aggregation group 1.

The incorrct statement about the status of Router A aggregation port 1 is:

  • A . Only shut down G0/0/2 of Router B, Eth-Trunk 1 protocol up
  • B . Turn off G0/0/1 and G0/0/2 ports on Router B at the same time, Eth-Trunk 1 protocol up
  • C . Only shut down G0/0/1 of Router B, Eth-Trunk 1protocol up
  • D . Turn off G0/0/1 and G0/0/2 ports on Router B at the same time, Eth-Trunk 1 protocol down

Reveal Solution Hide Solution

Correct Answer: B
Question #100

In the network shown in the figure, the correct description of the following is:

  • A . The network between RTA and SWC is the same collision domain.
  • B . The network between SWA and SWC is the same broadcast domain.
  • C . The network between SWA and SWC is the same collision domain.
  • D . The network between SWA and SWB is the same broadcast domain.

Reveal Solution Hide Solution

Correct Answer: BC
Exit mobile version