多选题Which three statements about OSPF partial SPF are true？（）AIf it is triggered by Type 4， all Type 4 LSAs that announce a certain ASBR and all Type 5 and 7 LSAs are processedBIf it is triggered by Types 5 and 7， all Type 5 and 7 LSAs that contribute to a

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Which three statements about OSPF partial SPF are true？（）

If it is triggered by Type 4， all Type 4 LSAs that announce a certain ASBR and all Type 5 and 7 LSAs are processed

If it is triggered by Types 5 and 7， all Type 5 and 7 LSAs that contribute to a certain destination are processed.

If it is triggered by Type 2， all Type 2 LSAs that contribute to a certain destination are processed.

If it is triggered by the change of Type 3， 4， 5， and 7 LSAs.

If it is triggered by the change of Type 2， 3， 5， and 7 LSAs

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第1题：

Which three statements are correct about the differences in IS － IS and OSPF?()

A. IS - IS is more CPU - intensive than is OSPF

B. For greater fine tuning there are more IS - IS timers

C. IS - IS LSP con tains TLV fields and OSPF LSU contains the LSAs

D. New additions to the protocol are easily implemented in OSPF but not with IS - IS

E. OSPF has more area types than does IS - IS

参考答案：B, C, E

第2题：

Refer to the exhibit. Which two statements are true about the partial configuration that is provided.()

A. The peer group shortens the EBGP configuration

B. The peer group shortens the IBGP configuration

C. All the configured neighbors are in autonomous system 100

D. Three AS - path filters are applied to each BGP neighbor

E. Only the outgoing filters are applied to BGP updates

参考答案：B, C

第3题：

Referring to the exhibit, which two statements are true?()

A. The route 192.168.1.0/25 is accepted

B. The route 192.168.2.0/24 is accepted

C. OSPF routes will be exported into RIP

D. RIP routes will be exported into OSPF

参考答案：A, D

第4题：

Which two statements about route redistribution when implementing OSPF are true?（）

A、Routes learned using any IP routing protocol can only be redistributed into non IP routing protocols.
B、OSPF can import routes learned using EIGRP, RIP, and IS - IS.
C、OSPF routes cannot be exported into EIGRP, RIP, an d IS - IS.
D、At the interdomain level, OSPF cannot import routes learned using BGP.
E、OSPF routes can be exported into BGP.

正确答案:B,E

第5题：

Which three statements about OSPF areas are true?（）

A、Areas introduce a boundary on the link - state updates.
B、Areas are logical definitions specific to any given router.
C、All routers within an area have the exact link - state database.
D、The calculation of the Dijkstra algorithm on a router is limited to changes within an area.
E、The area designated router will always have a priority of 0.

正确答案:A,C,D

第6题：

Refer to the exhibit. The partial configuration for an OSPF ASBR and an Area 0 ABR is shown. Assume the OSPF configurations throughout the network are operable. Which statement about these configurations is true? （）

A. The ASBR route - maps are basically useless, because there are no deny prefix - lists.

B. LSA Type 5s wil l not be received by the ABR from the ASBR.

C. The OSPF backbone will not learn any RFC 1918 addresses.

D. The matched prefix - list addresses will be given a metric of 255, which is essentially unreachable.

参考答案：C

第7题：

Which three are advantages to creating multiple areas in OSPF? (Choose three.) Select 3 response(s)？（）

A、less frequent SPF calculations
B、fewer hello packets
C、smaller routing tables
D、reduced LSU overhe ad
E、fewer adjacencies needed

正确答案:A,C,D

第8题：

Which statement is true about the frequency of OSPF LSA transmissions?()

A.A

B.B

C.C

D.D

参考答案：D

第9题：

Which two statements are true about IS -IS routing?（）

A、Based on the default timers, OSPF d etects a failure faster than IS - IS does.
B、OSPF default timers permit more tuning than IS - IS does.
C、IS - IS is more efficient than OSPF in the use of CPU resources.
D、OSPF is more scalable than IS - IS because of its ability to identify normal, stub, an d NSSA areas.
E、IS - IS and OSPF are both Open Standard, link - state routing protocols which support VLSM.

正确答案:C,E

第10题：

Which of these statements is true about ssids configured in cisco adu？（）

A、ssids are not case-sensitive.
B、ssids must be listed in the same order in the adu as they are in the access point.
C、a maximum of three ssids may be configured.
D、ssids may have a maximum of 16 characters.

正确答案:C

Which three statements about OSPF partial SPF are true？（）

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