Nokia 4A0-C02 Exam Questions Free Practice Test

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Questions # 181:

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Question # 181

AS 65540 is using MPLS to provide BGP shortcuts for its iBGP routing. AS 65541 is advertising prefix 192.168.1.0/27 into BGP. Which routers have the BGP update for the advertised prefix in their BGP table?

Options:

Routers R1, R2, R3, R4 and R5.

Routers R1and R4 only.

Routers R1, R2, R3 and R4 only.

Routers R1, R4 and R5 only.

Expert Solution

Questions # 182:

A router in AS 65100 receives two BGP routes. The first route is for 138.1.1.0/24 with an AS Path of 65200 65300, Local Preference of 100, MED of 100, and router ID 10.10.10.10. The second route is for 138.1.0.0/16 with an AS Path of 65500 65300, Local Preference of 150, MED of 100, and router ID 10.1.1.1. Assuming all other attributes are equal, which route would be used to forward an IP packet with destination IP address 138.1.1.1?

Options:

The first BGP route.

The second BGP route.

Both routes are used.

It is impossible to determine without the value of the origin code for both routes.

Expert Solution

Questions # 183:

Which of the following regarding the connections between eBGP peers is TRUE?

Options:

eBGP peers typically use system addresses for session establishment.

eBGP peers are managed under a single administration.

eBGP peers do not propagate updates learned via iBGP.

eBGP peers are usually directly connected to each other.

Expert Solution

Questions # 184:

Which of the following is NOT a BGP message type?

Options:

Route-Refresh

OpenSent

Notification

Update

Keepalive

Expert Solution

Questions # 185:

Which of the following statements regarding BGP control plane convergence is FALSE?

Options:

Core and edge node failure recovery depends on IGP convergence.

Edge neighbor failure is detected by the eBGP session timeout.

BGP control plane convergence is independent of number of affected prefixes.

Upon BGP control plane convergence, an optimal path is installed in the FIB.

Expert Solution

Questions # 186:

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Question # 186

AS 65540 routers are iBGP fully-meshed. Assume routers R4, R5 and R6 are configured with addpaths ipv4 send 2 receive". Which routes to 192.168.0.1/27 is router R6 expected to have in its BGP routing table?

Options:

Two routes from router R4.

Two routes from router R5.

Two routes; one from router R4 and one from router R5.

Four routes; two from router R4 and two from router R5.

Expert Solution

Questions # 187:

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Question # 187

Router R1 is a route reflector with clients R2, R5 and R6. Prefixes advertised by router R5 have a local preference of 200. Router R3 advertises the prefix 192.168.1.0/27 to routers R5 and R6.

Assuming that none of the routers in AS 65540 is configured with "advertise-external", what is the expected output of "show router bgp routes" on router R5?

Question # 187

Options:

Option A

Option B

Option C

Option D

Expert Solution

Questions # 188:

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Question # 188

Router R6 is a route reflector with clients R1, R2, R4 and R5. R4 receives three routes from router R6 and is configured with ECMP 3. Given the following BGP configuration on router R4, how many primary and backup paths will be present in router R4's BGP routing table?

Question # 188

Options:

Two primary paths and one backup path.

One primary path and two backup paths.

Three primary path and one backup path,

Three primary paths.

Expert Solution

Questions # 189:

An Alcatel-Lucent 7750 SR is configured with a policy to export directly-connected networks to BGP. Which of the following commands verifies that the export was successful?

Options:

show router route-table

show router bgp routes

show router bgp routes hunt

show router bgp neighbor received-routes

Expert Solution

Questions # 190:

An Alcatel-Lucent 7750 SR receives a route from an eBGP peer with a MED value of 500. What

MED value is sent to iBGP peers?

Options:

100

The IGP cost

500

None

Expert Solution

Questions # 191:

What kind of BGP attribute is the Local Preference?

Options:

Optional transitive attribute.

Optional non-transitive attribute.

Well-known mandatory attribute.

Well-known discretionary attribute.

Expert Solution

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