QUESTION: 89

You are a network administrator for the P4S Ltd. You are tasked to add a new OSPF router to an existing network. Later, you discover that two existing routers in the same area as the new router are using different MD5keys to authenticate their neighbor relationships. Which option is correct if the new router is connected by means of a separate interface?

The three routers need to be in three different areas.
The MD5 keys on the two neighboring routers must be changed to the same key.
Each router must have a unique MD5 key to sign packets with.
Each interface may have a unique MD5 key to sign packets with.

Answer(s): D

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QUESTION: 90

The P4S company's external routers BGP peer with multiple service providers and external organizations. In all situations, the external routers are peered with their BGP neighbors through directly-connected interfaces. How does GTSM provide additional security for your BGP speakers?

GTSM prevents the processing of BGP packets from devices that are not on the directly- connected interfaces.
GTSM replaces the TCP 3-way handshake between BGP speakers on directly connected interfaces.
GTSM prevents random TCP resets from being injected into the BGP data stream.
GTSM prevents the formation of BGP adjacencies from unauthorized devices.

Answer(s): A

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QUESTION: 91

Which filter type will you use for all no transit networks running BGP with multiple, peering, and autonomous systems?

An IGP filter to prevent internal routes from being transmitted to outside autonomous systems
A BGP route count filter to prevent the no transit network routing tables from becoming overwhelmed
A BGP filter to prevent locally originated routes from being transmitted to both peering autonomous systems
A BGP filter to prevent routes learned from one peer from being readvertised to the other peer

Answer(s): D

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QUESTION: 92

Users at the Charleville Company began experiencing high network delays when Internet connectivity was enabled for all users. After investigating the traffic flow, you determine that peer- to-peer traffic from a music download site is consuming a large amount of bandwidth. Which QoS mechanism can you implement to improve the network response time?

Use CBWFQ to queue the peer-to-peer traffic into the default traffic class.
Use class-based WRED to randomly drop the peer-to-peer traffic during network congestions.
Use class-based policing to limit the peer-to-peer traffic rate.
Use class-based shaping to delay any excessive peer-to-peer traffic.

Answer(s): C

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