Question 1

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 2

From this picture, we can judge

Options :

A : If not configured aboutAS_Pathrouting strategy, then3002:-4/128 —must not originate fromAS 65001

B : R1does not have3002:3/128and3002.-4/128routing

C : R1have3002.-3/128and3002:.4/128routing

D : If not configured aboutAS_Pashrouting strategy, then3002:4/28must have originated fromAS 65001

Answer: C,D

Question 3

aboutOSPFWhich of the following statements is false?

Options :

A : For a pair of additional 0hers on an Ethernet link, it is normal to stop clearing in the 2-72 state

B : Stalling in ExStart state may be a bad match between neighbor routers

C : stagnantINThe it state indicates that the router has received the neighbor'sHello message. butHell messagedoes not include this routerOSPF Router ID

D : The two router databases are synchronized, SPFAn error occurred in the calculation, it must be because of the RouterID repeated

Answer: A

Question 4

What is the value of the linkage between OSPF and BFD?

Options :

A : OSPFofhelloThe sending interval is in seconds, more thanBFDInduction link status is fast

B : BFDThe message sending interval can reach the millisecond level, which is less thanOSPFInduction link status is slow

C : Detected at the millisecond levelBFD. associationOSPFstate, fulfilledOSPFThe purpose of quickly sensing the status of the tank

D : BFDAny change in state will not affectOSPFneighbor state

Answer: C

Question 5

As shown below:

IR2] ad 2000

[R2-ad-basic-2000]rule deny

[R2-ad-basic-2000]quit

#

[R2] ospf

[R2-ospf»1]area 1

[R2-ospM-area-0.0.0.1] filter 2000 import

[R2-ospf-1-area-0.0.0,1] quit

[R2-ospf-1] default-route-advertise always

Options :

A : Area2containsType5LSAflood

B : Area2no insideType3 LSAflood

C : ArealcontainsType5 LSAflood

D : Arealno insideType3 LSAflood

Answer: D

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