Get all latest (August) Cisco 642-874 Actual Test 51-60

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QUESTION 51

A campus network in a switch block design requires redundant distribution switches, load sharing across uplinks, a loop-free topology, and only one gateway IP address per VLAN. Which switching technology meets all of the requirements?

 

A.

HSRP

B.

VSS

C.

Spanning Tree Protocol

D.

EtherChannel

 

Correct Answer: B

 

 

QUESTION 52

Which two ways to manage scalability issues inside an IBGP domain with 20 or more routers are recommended? (Choose two.)

 

A.

Configure route reflectors.

B.

Use OSPF instead of EIGRP as an underlying routing protocol.

C.

Create a full mesh at Layer 1.

D.

Configure confederations.

E.

Configure static routes between all routers.

 

Correct Answer: AD

 

 

QUESTION 53

Which option is a common cause of congestion found in a campus network?

 

A.

input serialization delay

B.

output serialization delay

C.

Rx-queue starvation

D.

Tx-queue starvation

 

Correct Answer: D

 

 

 

 

 

 

QUESTION 54

Which option is the Cisco preferred, most versatile, and highest-performance way to deploy IPv6 in existing IPv4 environments?

 

A.

dual stack

B.

hybrid

C.

service block

D.

dual service

 

Correct Answer: A

 

 

QUESTION 55

Which of the following is a result when designing multiple EIGRP autonomous systems within the Enterprise Campus network?

 

A.

Improves scalability by dividing the network using summary routes at AS boundaries.

B.

Decreases complexity since EIGRP redistribution is automatically handled in the background.

C.

Reduces the volume of EIGRP queries by limiting them to one EIGRP AS.

D.

Scaling is improved when a unique AS is run at the Access, Distribution, and Core layers of the network.

 

Correct Answer: A

 

 

QUESTION 56

Which feature set enables the full OSPF routing process when using a Cisco Catalyst 3750X Switch?

 

A.

LAN base

B.

IP base

C.

IP services

D.

enterprise access

 

Correct Answer: C

 

 

QUESTION 57

What three benefits exist when utilizing Cisco Nexus technology for implementing a unified fabric design? (Choose three.)

 

A.

reduced cabling

B.

fewer adapters

C.

consolidated switching

D.

increased bandwidth

E.

enhanced redundancy

F.

improved convergence

 

Correct Answer: ABC

 

 

 

 

QUESTION 58

DRAG DROP

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Correct Answer:

clip_image004

 

 

QUESTION 59

Which of the following is true concerning best design practices at the switched Access layer of the traditional layer2 Enterprise Campus Network?

 

A.

Cisco NSF with SSO and redundant supervisors has the most impact on the campus in the Access layer

B.

Provide host-level redundancy by connecting each end device to 2 separate Access switches

C.

Offer default gateway redundancy by using dual connections from Access switches to redundant Distribution layer switches using a FHRP

D.

Include a link between two Access switches to support summarization of routing information from the Access to the Distribution layer

 

Correct Answer: A

 

 

 

 

 

 

 

 

 

 

QUESTION 60

Refer to the exhibit. The network engineer wants to ensure that receiver A does not receive traffic from the video conference. For multicast traffic, where must the filtering be placed to fulfill that requirement?

 

clip_image006

 

A.

R1

B.

Video Conference

C.

A

D.

S1

E.

R2

 

Correct Answer: D

 

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