Question 1

In the MAC address table of the switch, which of the following entries will not age?

Options :

A : Static MAC address table entry

B : Port MAC address table entry

C : Dynamic MAC address table entry

D : Device MAC address table entry

Answer: A

Question 2

In RSTP, an edge port becomes a common STP port after receiving a configuration BPDU.

Options :

A : TRUE

B : FALSE

Answer: A

Question 3

On the VRP platform, which of the following methods can be used to access previous historical commands? ()

Options :

A : Ctr1U

B : Ctr1P

C : Left cursor

D : Up cursor

Answer: D

Question 4

Which of the following is the default value of the Router Dead Interval field in OSPF Hello packets on a broadcast network?

Options :

A : 20 seconds

B : 30 seconds

C : 40 seconds

D : 10 seconds

Answer: C

Question 5

Virtualization is the basis for implementing NEV. Which of the following statements about the characteristics of virtualization is correct? ()*

Options :

A : Hardware independence: Virtual machines and hardware are decoupled, and virtual machines can be migrated between servers.

B : Encapsulation: All virtual machines share the operating system, and encapsulation is achieved through namespaces.

C : Isolation, where virtual machines on the same physical server are isolated from each other.

D : Partitioning: Multiple virtual machines can be run on a single physical server at the same time.

Answer: A,C,D

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