Question 1

What parameters can the DHCPv6 server assign to DHCPv6 clients?

Options :

A :

SNTP server address

B :

IPv6 address/prefix

C :

Gateway address

D :

DNS server address

Answer: A,B,C,D

Question 2

As shown in the figure, a company sets up an OSPF network. The links in the figure all form OSPF adjacencies, and all OSFP devices declare their own loopback addresses. One day SIR2 The two links of the S2AR1 suddenly failed, and in order to detect if the network was operating properly, the engineers performed a device status check, which is correct as described below

Options :

A : R5 can normally learn the loopback route to R2

B : R3 can not learn the loopback route to R2

C : R1 can normally learn the loopback route

D : R3 of R2 The loopback route of R2 can be learned normally

Answer: A,B

Question 3

In an IPv6 network, two nodes A and B are neighbors to each other if Node A sends NS messages to Node B if node B is B After receiving the message, reply to the NA message, then view it on node A, what will the neighbor status be marked? (Single Choice Questions).

Options :

A : Reachable

B : Incomplete

C : Stale

D : Probe

Answer: A

Question 4

A routing tool can define multiple entries. Which tool will automatically add a deni-any entry at the end of the

configuration?

Options :

A : Route policy

B : Community-tilter

C : IP-prefix

D : AS-path-filter

Answer: A,B,C,D

Question 5

The following statement about the security alliance SA in IPSec is incorrect

Options :

A :

SA is uniquely identified by a triple that includes the security parametric reference SPI (Security

Parameter Inder), the source IP address, and the security protocol number (AH or ESP)

B :

Use the display ipsec command to view the encryption algorithm used with another IPSec peer, the

traffic of interest, and so on.

C : IPSec only supports encrypting data using symmetric encryption algorithms.

D : A two-way SA must exist between IPSec peers to establish an IPSec VPN connection

Answer: A

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