Download New Updated (Spring 2015) Cisco 350-029 Actual Tests 31-40

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QUESTION 31

What is the default SPF throttle timer in OSPF?

 

A.

5s

B.

10ms

C.

0ms

D.

30s

E.

1s

F.

500ms

 

Correct Answer: A

 

 

QUESTION 32

Which OSPF LSA is used to support MPLS Traffic-Engineering?

 

A.

NSSA LSA (Type 7)

B.

Opaque LSA (Type 11)

C.

Opaque LSA (Type 9)

D.

Opaque LSA (Type 10)

E.

External LSA (Type 5)

 

Correct Answer: D

Explanation:

Type 10 – an area-local “opaque”LSA as defined by RFC2370. Opaque LSAs contain information which should be flooded by other routers even if the router is not able to understand the extended information itself.

Typically type 10 LSAs are used for traffic engineering extensions to OSPF, flooding extra information about links beyond just their metric, such as link bandwidth and color.

 

 

QUESTION 33

If two routers, both reachable from one another, originate functionally equivalent type 2 external LSAs (i.e. same destination, cost and non-zero forwarding address). Which of the following statements would apply?

 

A.

Only the LSA generated by the lowest RID ASBR will exist in the network

B.

Two LSAs will exist in the network for this destination, but only the one generated by the highest RIDASBR will be used

C.

Two LSAs will exist in the network for this destination, and both will be used

D.

Only the LSA generated by the highest RID ASBR will exist in the network

 

Correct Answer: D

 

 

QUESTION 34

The show ip ospf database external command displaysinformation about which OSPF LSA type?

 

A.

LSA type 1

B.

LSA type 2

C.

LSA type 7

D.

LSA type 3

E.

LSA type 9

F.

LSA type 5

 

Correct Answer: F

 

 

 

 

 

QUESTION 35

Routes redistributed into an OSPF ASBR are which LSA type?

 

A.

LSA type 6

B.

LSA type 1

C.

LSA type 2

D.

LSA type 5

E.

LSA type 3

F.

LSA type 4

 

Correct Answer: D

 

 

QUESTION 36

When the Cisco IOS OSPF command ip ospf dead-interval minimal hello-multiplier 5 is configured, which two statements are true? (Choose two.)

 

A.

OSPF hello interval is 5 seconds

B.

OSPFhello interval is 1 second

C.

OSPF dead interval is 1 second

D.

OSPF dead interval is 5 seconds

E.

OSPF dead interval is 20 seconds

F.

OSPF hello interval is 0.2 second

 

Correct Answer: CF

 

 

QUESTION 37

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

 

A.

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

B.

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

C.

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

D.

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

E.

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

 

Correct Answer: ABD

Explanation:

Executed on achange in a type-3/4/5/7 LSA (as per sections 16.5 and 16.6 of RFC2328)

If there is a change in a type-1 or type-2 LSA, it affects the topology of the area and so a full SPF must be run.

 

 

QUESTION 38

Which statement about OSPF ASBR summary LSA is true?

 

A.

It is generated by an ASBR and indicates the reachability to an ABR located in another area.

B.

It is generated by ABR and indicates the reachability to an ASBR located in another AS.

C.

It is generated by ABR and indicates reachability to itself.

D.

It is generated by ABR and ind
icates the reachability to an ASBR located in another area.

E.

It is generated by an ASBR and indicates the reachability to an ABR.

 

Correct Answer: D

 

 

QUESTION 39

Which two statements about OSPF IPv6 routing are true? (Choose two)

 

A.

It requires OSPF version 3.

B.

automatically detects neighbors over NHMA interfaces

C.

It supports encryption using

D.

It uses LSA type 9

E.

It uses LSA type 8

 

Correct Answer: AE

 

 

QUESTION 40

Which statement about OSPF authentication is true?

 

A.

To enable OSPF authentication in a network, OSPF area 0 authentication must be enabled first.

B.

The payload of OSPFv3 packets contains no authentication information.

C.

OSPFv3 supports Advanced Encryption Standard

D.

OSPFv3 uses router ID as a key to encrypt OSPF hello packets.

E.

OSPF MD5 authentication uses TCP, and Plan Test authentication uses UDP.

 

Correct Answer: B

 

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