Question 1

VRRP is implemented based on thepriority and preemption functionsof VRRP routers.Which of the following statements is false about the VRRP solution?

Options :

A :

When preemption is enabled, a backup device preempts the master role if it has a higher priority than the current master.

B :

When preemption is disabled, a backup device does not preempt the master role even if it has a higher priority than the current master, provided that the current master is working properly.

C :

The master periodically sends VRRP Advertisement packets in the VRRP group to advertise its configurations such as the priority.

D :

Even if the VRRP device is the IP address owner, it still needs to participate in the election and does not directly transition to the Master state when receiving a message indicating that the interface goes Up.

Answer: D

Question 2

An enterprise network runs OSPF to implement network communication. Which of the following types of LSAs may be generated by an ABR?

Options :

A : NSSA LSA

B : AS External LSA

C : Network Summary LSA

D : ASBR Summary LSA

Answer: A,C,D

Question 3

Similar to the OSPF DR, the IS-IS DIS needs to be elected on a broadcast network. However, the OSPF DR is preemptive by default, whereas the IS-IS DIS is not preemptive by default.

Options :

A : TRUE

B : FALSE

Answer: A

Question 4

The VRID of the VRRP virtual router is 3 and the virtual IP address is 100.1.1.10. What is the virtual MAC address?

Options :

A : 01-00-5E-00-01-64

B : 01-00-5E-00-01-03

C : 00-00-5E-00-01-64

D : 00-00-5E-00-01-03

Answer: D

Question 5

Which of the following attacks is not the network layer attack?

Options :

A : IP spoofing attack

B : ICMP attack

C : Smurf attack

D : ARP spoofing attack

Answer: D

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