Question 1

About the site in the BGPIMPLS IP VPN network architecture. Which of the following descriptions is correct?

Options :

A : in any case, belong to the sameVPNDifferent sites on the

B : through the sameCETerminals connected to the operator-s network may belong to different sites(MCE)

C : site is a groupIPsystem, a network of hosts cannot be called a site

D : The two geographically separated networks must belong to different sites

Answer: B

Question 2

In the VLAN aggregation technology, multiple Sub-VLANs are used to isolate wide-open domains, and these Sub-VLANs are aggregated.

Synthesizing a logical Super-VLAN, a company divides different departments into different Sub-VLANs,

because

Sub-VL AN not only includes physical connection, but also can establish three-layer VLAN ANIF interface,

which can directly carry out three-layer communication with external network.

Options :

A : True

B : False

Answer: B

Question 3

What is the LSA whose flooding range is the entire autonomous system in SPFV3?

Options :

A : Link-LSA

B : As-external-LSA

C : Inter-Area-Prefix-LSA

D : Intra-Area-Prefix-LSA

Answer: B

Question 4

About the difference between NSR and NSF, which is correct?

Options :

A : NSFCan be done without neighbor routers

B : NSRMust rely on neighbor routers to complete

C : NSFMust rely on neighbor routers to complete

D : NSRandNSFBy6Requires neighbor router to complete

Answer: C

Question 5

In the topology shown in the figure, the entire network runsOSPFv3agreement inNoIn the case of attracting external routes,R1which type ofLAS?

Options :

A : Intra-Area-Prefix-LSA

B : Link-LSA

C : Inter-Area-Router LSA

D : Inter-Area-Prefix-LSA

Answer: C

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