[Free] 2017(June) Ensurepass Testking Cisco 300-320 Actual Tests 151-160

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Designing Cisco Network Service Architectures (ARCH)

QUESTION 151

During the design of a new data center, a company requires that access switches be placed only in network racks. Which switch layout must be used?

 

A.

centralized

B.

integrated

C.

top of rack

D.

end of row

 

Correct Answer: D

 

 

QUESTION 152

Which first-hop redundancy protocol that was designed by Cisco allows packet load sharing among groups of redundant routers?

 

A.

GLBP

B.

HSRP

C.

VRRP

D.

VSS

 

Correct Answer: A

 

 

 

QUESTION 153

Which option does best practice dictate for the maximum number of areas that an OSPF router should belong to for optimal performance?

 

A.

1

B.

2

C.

3

D.

4

E.

5

 

Correct Answer: C

 

 

QUESTION 154

Which Nexus feature enables you to support server connectivity with one topology and address requirement for both high availability and high bandwidth?

 

A.

vPC

B.

vPC+

C.

Stackwise

D.

EvPC

 

Correct Answer: D

Explanation:

https://www.cisco.com/en/US/docs/switches/datacenter/nexus5000/sw/mkt_ops_guides/513_n1_1/n5k_enhanced_vpc.html#wp1159705

 

“Enhanced vPC enables you to support server connectivity with one topology and address requirement for both high availability and high bandwidth.”

 

 

QUESTION 155

Which routing protocol provides the fastest convergence and greatest flexibility within a campus environment?

 

A.

OSPF

B.

IS-IS

C.

BGP

D.

EIGRP

 

Correct Answer: D

 

 

QUESTION 156

Which STP feature can prevent other switches on the network from becoming the root switch, but still allow that interface to participate in STP otherwise?

 

A.

Root Guard

B.

Loop Guard

C.

BPDU Guard

D.

BPDU Filter

 

Correct Answer: A

QUESTION 157

What feature is a benefit of using Cisco UCS blade servers for data center virtualization?

 

A.< /span>

guest VM high availability

B.

converged LAN and SAN infrastructure

C.

host based etherchannel

D.

built-in hypervisor

 

Correct Answer: B

 

 

QUESTION 158

What WAN feature can prioritize real-time, IP-based applications when circuits may be saturated?

 

A.

FRTS

B.

LLQ

C.

CBWFQ

D.

WFQ

 

Correct Answer: B

 

 

QUESTION 159

NAC: Simple access control at user and device contextual level. Which features are needed? (Choose two)

 

A.

secure access control

B.

TrustSec

C.

ISE

D.

NAC agent

 

Correct Answer: CD

 

 

QUESTION 160

A VPN solution requires bulk traffic encryption, low OpEx to add new sites, and the ability to accommodate dynamic tunnels between branch locations. What VPN solution can fulfill these requirements?

 

A.

GETVPN

B.

SSL VPN

C.

Easy VPN

D.

DMVPN

 

Correct Answer: D

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