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

After reset isis all is executeD. the IS-Is protocol process needs to be restarted and neighbors need to be re-establisheD. but various IS-IS statistics will not be cleared.

Options :

A : True

B : False

Answer: A

Question 3

The cutover risk assessment mainly considers which of the following aspects?

Options :

A : loss from risk

B : Scope of Risk Impact

C : time of risk

D : Location of key risk points

Answer: A,B,C,D

Question 4

An interface of a switch is in error-down state. A possible cause is that the average rate of broadcast packets received by the interface exceeds the upper threshold set by the administrator for storm control.

Options :

A : TRUE

B : FALSE

Answer: A

Question 5

In intra-domain MPLS VPN networks, data packets will be encapsulated with two layers of MPLS when they enter the public network and are forwarded. Label, a description of the two-layer label in the following options. What is wrong is:

Options :

A : MPLS VPNThe outer label is made byLDPprotocol or statically assigneD. the inner label is assigned by the correct end MP-BGPassigned by neighbors

B : By default, the outer label is popped before the packet is forwarded to the last hop device

C : M PLS VPNThe outer layer is labeled as a private network label, and the inner layer label is called a public network label.

D : Layer labels are used inPEThe device sends the packet correctly to the correspondingVPNmiddle

Answer: C,D

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