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Nokia 4A0-102 - Nokia Border Gateway Protocol

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Total 152 questions

What will happen if an update is received with an unrecognized optional non-transitive attribute?

A.

The router will accept the update and send a notification.

B.

The router will not accept the update and send a notification.

C.

The router will accept the update and ignore the attribute.

D.

The router will accept the update and propagate the attribute.

Click the exhibit.

AS 65100 isadvertising 192.168.1.0/27 into BGP. Which of the following AS Paths would the prefix 192.168.1.0/27 contain when viewed on router R8?

A.

65200 (65206 65202) 65100

B.

(65206 65202)65100

C.

65250 (65206 65202) 65100

D.

65200 65100

AnNokia7750 SR is configured with an export policy to redistribute its directly-connected networks into BGP. Which of the following databases contains the routes for these networks?

A.

The routes are in the RIB-In.

B.

The routes are in the Loc-RIB.

C.

The routes are in the RIB-Out.

D.

The routes are not in any of the BGP databases.

Which of thefollowing is NOT a BGP message type?

A.

Route-Refresh

B.

OpenSent

C.

Notification

D.

Update

E.

Keepalive

Which of the following regarding "well-known discretionary'' BGP attributes is TRUE?

A.

They must be recognized by all peers and included in all BGP updates.

B.

They arediscarded if not recognized by the recipient.

C.

They must be recognized by all peers and optionally included in BGP updates.

D.

The receiving router sends a notification if a well-known discretionary attribute is not present in an update.

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

A.

A single connection to a single service provider.

B.

Two connections to a single service provider.

C.

Two connections to twodifferent service providers.

D.

Multiple connections to different service providers.

Click theexhibit.

Assume all router-IDs are properly configured, and global IPv6 addresses are used to establish eBGP sessions. Which of the following configurations is required on router A so that router B can exchange traffic with router D?

A.

Option A

B.

Option B

C.

Option C

D.

Option D

Which of the following AS Paths will match the regular expression "65100."?

A.

"65100"

B.

"65100 65200''

C.

"65200 65100"

D.

"65100 65250 65200"

Which of the following regarding BGP authentication on theNokia7750 SR is FALSE?

A.

Authentication is performed before establishing the BGP session.

B.

Authentication can only be configuredon the group or neighbor level.

C.

By default, MD5 authentication is disabled.

D.

Peer authentication may be optionallyrequested in an open message.

Click the exhibit.

If router A originates a BGP route for prefix 192.168.0.1/27, what will the update contain when it reaches router B?

A.

AS Path of 65200, Next Hop of router A, Origin of IGP.

B.

ASPath of 65200, Next Hop of router A, Origin of incomplete.

C.

Null AS Path, Next Hop of router A, Origin of IGP.

D.

Null AS Path, Next Hop of router A, Origin of incomplete.