Pass the Nokia SRC Certification 4A0-C02 Questions and answers with CertsForce

Viewing page 12 out of 13 pages
Viewing questions 166-180 out of questions
Questions # 166:

Which of the following is NOT considered an option of export policies?

Options:

A.

Advertising customer networks into BGP.


B.

Sending aggregates that summarize the AS s address space.


C.

Sending MEDs to influence ingress traffic from peers.


D.

Preventing unwanted NLRI from entering the AS.


Expert Solution
Questions # 167:

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Question # 167

Router R1 is a route reflector with clients R2, R5 and R6. Router R3 advertises the prefix 192.168.1.0/27 to routers R5 and R6. Assuming that routers R1, R2 and R4 are configured with "add-paths ipv4 send 2 receive", what is the expected output of "show router bgp routes" when executed on router R2?

Question # 167

Options:

A.

Option A


B.

Option B


C.

Option C


D.

Option D


Expert Solution
Questions # 168:

Which of the following statements regarding route reflectors is TRUE?

Options:

A.

Route reflectors propagate BGP learned routes to their clients.


B.

Route reflectors require "n" iBGP sessions, where "n" is the number of BGP routers in the AS.


C.

Route reflectors disable iBGP split horizon for all iBGP peers in the AS.


D.

Route reflectors do not work in conjunction with confederations.


Expert Solution
Questions # 169:

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Question # 169

Routers RR1 are RR2 are redundant route reflectors for clients R3 and R4. Which of the following is a valid configuration on router R3?

Question # 169

Options:

A.

Option A


B.

Option B


C.

Option C


D.

Option D


Expert Solution
Questions # 170:

Which of the following is NOT a goal of BGP routing policies?

Options:

A.

To protect external networks from instability.


B.

To communicate the architecture of an AS to external ASs.


C.

To protect the local AS and other external ASs from bad NLRI.


D.

To optimize ingress and egress traffic patterns to best serve the users of the AS.


Expert Solution
Questions # 171:

An autonomous system has 7 routers configured with BGP. How many iBGP sessions are required for a fully meshed configuration?

Options:

A.

7


B.

13


C.

21


D.

42


Expert Solution
Questions # 172:

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Question # 172

Router R2 receives a route to 192.168.1.0/27 from router R4, and sets the local preference to 110. Router R1 receives a route to 192.168.1.0/27 from router R3, and sets the local preference to 80. Both ASs have a full iBGP mesh. What path does traffic destined to 192.168.1.0/27 take from router R1?

Options:

A.

R1-R3-R8


B.

R1-R2-R4-R8


C.

R1-R3-R4-R8


D.

R1-R2-R4-R3-R8


Expert Solution
Questions # 173:

Which regular expression will match the AS Path of a route originating in remote AS 65100?

Options:

A.

".+ 65100"


B.

"65100.+"


C.

".* 65100.*"


D.

"65100"


Expert Solution
Questions # 174:

Assuming that "client1" and "client2" are directly-connected networks, what is the result of executing the following BGP export policy?

Question # 174

Options:

A.

Only entry 10 is executed for "client1" and "client2".


B.

Entries 10 and 20 are executed for "client1", and entries 10 and 30 are executed for "client2".


C.

Entries 10 and 20 are executed for "client1", and entries 10, 20 and 30 are executed for

"client2".


D.

Entry 10 is executed for directly-connected routes, entry 20 for "client1" and entry 30 for "client2".


Expert Solution
Questions # 175:

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Question # 175

AS 65550 owns the CIDR block 10.64.0.0/12. Router R4 advertises the aggregate 10.64.0.0/12 to AS65540. Which of the following is TRUE regarding the aggregate route advertisement?

Options:

A.

The aggregator attribute will not be present, and the atomic aggregate flag will not be set.


B.

The aggregator attribute will not be present, and the atomic aggregate flag will be set.


C.

The aggregator attribute will be present, and the atomic aggregate flag will not be set.


D.

The aggregator attribute will be present, and the atomic aggregate flag will be set.


Expert Solution
Questions # 176:

Which of the following commands would correctly configure the confederation AS number as 65200 with a member AS of 65202?

Options:

A.

config>router- confederation 65200 members 65202


B.

config>router>bgp= confederation 65200 members 65202


C.

config>router= confederation 65202 members 65200


D.

config>router>bgp= confederation 65202 members 65200


Expert Solution
Questions # 177:

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Question # 177

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 by router B when it receives the update?

Options:

A.

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


B.

Router B propagates the BGP update to router D.


C.

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


D.

Router B propagates the update to routers A, C and D.


Expert Solution
Questions # 178:

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Question # 178

Router R2 is advertising prefix 192.168.1.0/27 with community "no-advertise" towards AS 65002.

Which routers receive an update for that prefix?

Options:

A.

Router R3 only.


B.

Routers R3 and R4 only.


C.

Routers R3, R4 and R5 only.


D.

Router R2 does not advertise an update for the prefix.


Expert Solution
Questions # 179:

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Question # 179

Routers RR1 and RR2are route reflectors with clients R1x and R2x, respectively. Routers RR1

and RR2 are non-clients of each other, and router R1 is a non-client of both. Which of the following regarding BGP sessions in AS 65540 is TRUE?

Options:

A.

Router R1must have at least one BGP session to each of routers R1x and R2x.


B.

Routers R1, RR1 and RR2 must be fully meshed.


C.

Routers R1x and R2x must have at least one BGP session between them.


D.

Routers R1x as well as routers R2x must be fully meshed.


Expert Solution
Questions # 180:

Which of the following statements regarding BGP shortcuts is FALSE?

Options:

A.

MPLS tunnels are used to carry transit traffic across the network.


B.

A full mesh of iBGP peering sessions is not required,


C.

Edge and transit routers need to be configured with BGP.


D.

The transit routers need to support LDP or RSVP-TE LSPs.


Expert Solution
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Viewing questions 166-180 out of questions