Cisco CCIE Cisco Certified InterNetworking Expert

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Cisco CCIE Cisco Certified InterNetworking Expert

You are the network consultant from P4S. One of your customer has six sites, three of which process a large amount of traffic among them. He plans to grow the number of sites in the future. Which is the most appropriate design topology?

full mesh ✘ peer-to-peer ✘ partial mesh ✘ hub and spoke ✔

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Answer & Solution

Answer: Option B

Solution:

It provides fallback for IE8.

A service provider is offering four classes of service, with each class mapped to a separate queue. Some customers complain about receiving out-of-order packets, which cause application degradation. Which QoS policy activity most likely causes these out-of-order packets?

remarking ✘ traffic shaping ✘ policing ✘ WRED ✔

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Answer & Solution

Answer: Option B

Solution:

It provides fallback for IE8.

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 MD5 keys 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. ✔

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Answer & Solution

Answer: Option B

Solution:

It provides fallback for IE8.

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. ✔

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Answer & Solution

Answer: Option B

Solution:

It provides fallback for IE8.

Which filter type will you use for all nontransit networks running BGP with multiple, peering, autonomous
systems?

an IGP filter to prevent internal routes from being transmitted to outside autonomous systems ✘ a BGP route count filter to prevent the nontransit 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 ✔

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Answer & Solution

Answer: Option B

Solution:

It provides fallback for IE8.

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. ✔

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Answer & Solution

Answer: Option B

Solution:

It provides fallback for IE8.

When designing, why would a network architect use active performance monitoring instead of passive performance monitoring?

for performance verification (independent of application servers and users) ✘ to collect history and event statistics (specific to network devices) ✘ to decrease router CPU utilization on end systems (both user and server) ✘ to maintain accurate network statistics (independent of end systems) ✔

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Answer & Solution

Answer: Option B

Solution:

It provides fallback for IE8.

Which two options are true about the impact flooding domain boundaries have when built in OSPF? (Choose
two.)

They increase convergence time by adding the time required to run two full Shortest Path First

computations on the area

border routers. They decrease convergence time by automatically summarizing reachability information transmitted throughthe network,

thereby decreasing the number of routes that must be installed in each router's routing table. They decrease convergence time by reducing the complexity and size of the shortest path trees in theindividual areas. They isolate network failures within a domain.

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Answer & Solution

Answer: Option B

Solution:

It provides fallback for IE8.

Which statement about IDS/IPS design is correct?

An IPS should be deployed if the security policy does not support the denial of traffic. ✘ An IPS analyzes a copy of the monitored traffic and not the actual forwarded packet. ✘ An IDS analyzes a copy of the monitored traffic and not the actual forwarded packet. ✘ Bandwidth considerations must be taken into account since IDS is deployed inline to traffic flow. ✔

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Answer & Solution

Answer: Option B

Solution:

It provides fallback for IE8.

10.

You are a network engineer for the P4S Ltd. You are measuring one-way delay between two campus networks connected through an MPLS network. One campus is in Chicago and the other is in Dallas. The company has
one appliance at each campus with which to measure the delay.
Which of the following is a must for the two appliances in order for the engineer to measure one-way delay with the best possible accuracy?

connections to the CE routers ✘ a common TOD reference source ✘ a local Stratum 1 clock source ✘ the same physical interface to the network ✔

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Answer & Solution

Answer: Option B

Solution:

It provides fallback for IE8.

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