Question 1

Which of the following OSPFv3 LSAs have an AS scope?

Options :

A : Link Local LSA

B : Router LSA

C : Network LSA

D : Inter-Area Router LSA

E : Intra-Area Prefix LSA

F : None of the above LSAs have an AS scope.

Answer: A

Question 2

Which MPLS label mode saves label mappings received from all peer LSRs?

Options :

A : Conservative label retention

B : Liberal label retention

C : Downstream on demand

D : Downstream unsolicited

Answer: B

Question 3

NSSA LSA packets are what type within an NSSA area, and are converted to what other type at the ABR?

Options :

A : They are type 7 within the area and are not modified at the ABR

B : They are type 5 within the area and converted to type 3 at the ABR

C : They are type 5 within the area and are not modified at the ABR

D : They are type 7 within the area and converted to type 5 at the ABR

Answer: D

Question 4

How is the aggregator attribute handled with 32-bit AS numbers?

Options :

A : With the same method and attribute as 16-bit AS numbers.

B : With the same method as 16-bit AS numbers, but using the AS4_Aggregator attribute.

C : Aggregation is not yet supported with 32-bit AS numbers.

D : By using a dummy value of 23456 in the 16-bit AS aggregator field. This value lets the router know it needs to read the 32-bit AS number that is contained in the nextTLV.

Answer: B

Question 5

Click the exhibit.

Given that ISP 1 and ISP 2 are Tier 2 providers, and that ISP 3 and ISP 4 are Tier 1 providers, what is the most likely relationship between ISP 1 and the other ISPs?

Options :

A : ISP 1 has a peering relationship with ISP 2 and ISP 4.

B : ISP 1 has a peering relationship with ISP 2 and a transit relationship with ISP 3.

C : ISP 1 has a peering relationship with ISP 2 and ISP 3.

D : ISP 1 has a transit relationship with ISP 2 and ISP 4.

E : ISP 1 has a transit relationship with ISP 2 and a peering relationship with ISP 3.

Answer: B

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