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4A0-102
NokiaBorder Gateway Protocol Questions and Answers

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Viewing questions 21-30 out of questions

Questions # 21:

Click the exhibit.

Question # 21

Considering that both routers C and D areadvertising the eBGP learned prefix 10.5.0.0/16 into

ISP X, which of the following best describes the route advertisement within ISP X?

Options:

Router C sends the update to routers E and F only.

Router C sends the update to routers D, E and F.

Router C sends the update to routers A, B, E and F.

Router C sends the update to routers A, B, D, E and F.

Answer

Questions # 22:

Which of the following is the minimum requirement for an AS to be considered multi-homed?

Options:

A single connection to a single service provider.

Two connections to a single service provider.

Two connections to twodifferent service providers.

Multiple connections to different service providers.

Answer

Questions # 23:

Which of the following is TRUE?

Options:

There can only be one communityassociated with a route.

Community is an optional non-transitive attribute.

Community is an optional transitive attribute.

Community is a well-known discretionary attribute.

Answer

Questions # 24:

Click the exhibit.

Question # 24

When router A receives the BGP update for the 192.168.0.1/27 prefix, it propagates it to routers B and C. What action is taken byrouter B when it receives the update?

Options:

Router B propagates the BGP update to routers D and C.

Router B propagates the BGP update to router D.

Router B detects duplicates in its BGP database and discards the update.

Router B propagates theupdate to routers A, C and D.

Answer

Questions # 25:

What kind of BGP attribute is the Multi_Exit_Disc?

Options:

Optional transitive attribute.

Optional non-transitive attribute.

Well-known mandatory attribute.

Well-known discretionary attribute.

Answer

Questions # 26:

Which of the following best describes the relationship between locally configured policies and the direction of traffic?

Options:

Import policies affect the way thelocal AS receives traffic, while export policies affect the way it sends traffic.

Import policies affect the way the local AS sends traffic, while export policies affect the way it receives traffic.

Both import and export policies affect the way thelocal AS receives traffic, but not the way it sends traffic.

Both import and export policies affect the way the local AS sends traffic, but not the way it receives traffic.

Answer

Questions # 27:

Click the exhibit.

Question # 27

Assuming a fulliBGP mesh in ISP 1, how does router R1 in ISP 1 handle a BGP update received from ISP 2?

Options:

The update is sent to router R2 in ISP 1.

The update is sent to routers R2 and R3 in ISP 1.

The update is sent to all routers in ISP 1.

The update is sentto routers R2 and R3 in ISP 1, and to router R3 in ISP 2.

Answer

Questions # 28:

What is the function of the Cluster_List attribute?

Options:

It is used for loop detection within the same cluster.

It is used for loop detection between clusters.

It is used for loop detection in a confederation.

It is usedto identify the route reflectors within an AS.

Answer

Questions # 29:

A router receives two routes from its neighbors: a route from OSPF for 10.0.0.0/24, and a route from BGP for 10.0.0.0/8. Both routes have reachable next hops. Which of the following is TRUE?