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Huawei H31-124_V2.0-ENU HCIP-Carrier IP V2.0 Online Training

Question #1

The Ethernet switch working in store and forward mode drops the frame with length smaller than 64 bytes.

  • A . True
  • B . False

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Correct Answer: A
Question #2

VXLAN uses MAC in UDP encapsulation to extend Layer 2 networks and encapsulates Ethernet packets on IP packets. When packets are transmitted on a touted network, the intermediate touting device does not need to learn inner MAC addresses.

  • A . True
  • B . False

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Correct Answer: B
Question #3

Which of the following statements about LAN switch is correct?

  • A . LAN switch is transparent for user, it does not modify the data field of the forwarded frame.
  • B . LAN switch can still operate normally even when loop exists.
  • C . LAN switch can detect loop according to the contents of the packet.
  • D . LAN switch can modify the data field of the forwarded frame when necessary.

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Correct Answer: A
Question #4

Which of the following statements about layer 2 LAN switch are incorrect?

  • A . LAN switch will modify the data link layer header of the packet and then forward it.
  • B . LAN switch can learn Mac address automatically.
  • C . LAN switch operates at data link layer.
  • D . LAN switch will modify the network layer header of the packet and then forward it.

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Correct Answer: D
Question #5

Is the following statement correct or incorrect? Because a bypass tunnel Is manually created during TE FRR configuration, the constraint shortest path first (CSPF) does not need to be enabled.

  • A . True
  • B . False

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Correct Answer: B
Question #6

Which of the following statements is correct regarding virtual router?

  • A . If multiple routers are configured with the same virtual router ID.they all associate to the same virtual router.
  • B . If multiple routers associate to the same virtual router, they must be configured with the same virtual router ID and at feast one virtual IP address.
  • C . If multiple routers associate to the same virtual router, they must be configured with the same virtual router ID and virtual IP address.
  • D . If multiple routers are configured with the same virtual IP address, they all associate to the same virtual router.

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Correct Answer: B
Question #7

The VRRP advertfse-lnterval is 2s, preempt mode is enabled, Delay Time is 3s, then which of the following is the Master_Down_Interval time?

  • A . 2s
  • B . 4s
  • C . 9s
  • D . 6s

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Correct Answer: A
Question #8

Which of the following statements are correct?

  • A . Both TE FRR and VPN FRR are used to protect tunnels, and therefore they can replace each other.
  • B . After VPN FRR is deployed, the end-to-end service convergence time is shorter than 1 second.
  • C . TE FRR Implements quick traffic switchovers if a PE becomes faulty.
  • D . VPN FRR implements quick traffic switchovers if a PE becomes faulty.

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Correct Answer: B
Question #9

Which of the following statement are correct regarding TTL value in VRRP packet?

  • A . The VRRP packet is only forwarded in one IP network, so the TTL value is always set to 1.
  • B . The TTL value of device from different manufactures is different; on VRP, the TTL value is 1.
  • C . By default, the VRRP packet with TTL value not equal to 255 will be dropped; On VRP, we can use some commands to disable the function of delecting TTL value.
  • D . The TTL value must be 255 In normal VRRP packet.

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Correct Answer: CD
Question #10

Which of the following operations need to be complete before IP FRR configuration?

  • A . Configure different costs to generate two routes with different costs.
  • B . Configure the same cost to generate two equal-cost routes.
  • C . Configure a dynamic routing protocol on the entire network to Implement IP connectivity between nodes.
  • D . Configure static routes or an IGP to implement IP connectivity between nodes.

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Correct Answer: C

Question #11

PIM-SM relies on particular unicast routing protocol for RPF check.

  • A . True
  • B . False

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Correct Answer: B
Question #12

Which of the following statements regarding multicast MAC address is correct?

  • A . The first six hexadecimal value of the multicast Mac address is 0x01005e.
  • B . Multicast MAC address is composed of 23 bits.
  • C . The range of multicast MAC address is assigned by IEEE.
  • D . On Ethernet, 28-bits of layer 3 multicast IP address are mapped into the 24-bits of the layer 2 multicast MAC address.

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Correct Answer: B
Question #13

Which of the following multicast IP addresses is administratively scope address?

  • A . 224.0.0.0-224.0.0.255
  • B . 239.0.0.0- 239.255.255.255
  • C . 224.0.1.0-238.255.255.255
  • D . 224.0.0.0-239.255.255.255

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Correct Answer: B
Question #14

The IGMP snooping configuration is as follows:

#

vlan batch 3

#

igmp-snooping enable

#

vlan 3

igmp-snooping enable

#

interface GigabitEthernet1/0/1

port hybrid tagged vlan 3

I2-multicast static-group group-address 225.1.1.1 to 225.1.1.3 vlan 3

#

interface GigabitEthernet3/0/1

port hybrid tagged vlan 3

igmp-snooplng static-router-port vlan 3

Which of the following statements are correct?

  • A . The device connected to GE 1/0/1 can receive multicast traffic only for the multicast groups 225.1.1.1 to 225.1.1.3. because static multicast groups are configured on GE 1/0/1.
  • B . The device connected to GE 1/0/1 can send Report messages to receive multicast data ‘or multicast groups outside the 225.1.1.1 to 225.1-1.3 range.
  • C . IGMP snooping has been enabled on the switch.
  • D . The device connected to GE 3/0/1 Is a multicast router.

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Correct Answer: BC
Question #15

Which of the following statements regarding IP address 224.0.0.1 are correct?

  • A . It represents all the hosts and routers.
  • B . It represents all the routers.
  • C . It is a private IP address.
  • D . It is a multicast IP address.

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Correct Answer: A
Question #16

The PPPoE Session Stage is a complete PPP procedure.

  • A . True
  • B . False

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Correct Answer: A
Question #17

The Session ID of PPPoE could be changed during the whole Session Stage.

  • A . True
  • B . False

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Correct Answer: A
Question #18

After the server receives the PADR sent by the client, which message will be sent as the response and to identify the connection?

  • A . PADS
  • B . PADR
  • C . PADO
  • D . PADT

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Correct Answer: A
Question #19

Which of the following functions could be achieved by the LCP of PPP?

  • A . To establish, maintain and terminate the point-to-point connection
  • B . IPX address negotiation
  • C . IP address negotiation
  • D . To maintain multiple physical links

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Correct Answer: A
Question #20

What are the three components of PPP?

  • A . NCP (Network Control Protocol)
  • B . PPPOE
  • C . LCP (Link Control Protocol)
  • D . The extension protocol of PPP

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Correct Answer: ACD
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