[Free] 2017(June) Ensurepass Testking Cisco 300-320 Actual Tests 221-230

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Designing Cisco Network Service Architectures (ARCH)

QUESTION 221

A network design engineer has been asked to reduce the size of the SPT on an IS-IS broadcast network. Which option should the engineer recommend to accomplish this task?

 

A.

Configure the links as point-to-multipoint.

B.

Configure QoS in all links.

C.

Configure a new NET address.

D.

Configure the links as point-to-point.

 

Correct Answer: D

 

 

QUESTION 222

Which two of these are recommended practices with trunks? (Choose two.)

 

A.

use ISL encapsulation

B.

use 802.1q encapsulation

C.

set ISL to desirable and auto with encapsulation negotiate to support ISL protocol negotiation

D.

use VTP server mode to support dynamic propagation of VLAN information across the network

E.

set DTP to desirable and desirable with encapsulation negotiate to support DTP protocol negotiation.

 

Correct Answer: BE

Explanation:

“As a recommended practice, when configuring switch-to-switch interconnections to carry multiple VLANs,set Dynamic Trunking Protocol (DTP) to Desirable and Desirable with Encapsulation Negotiate to support DTP negotiation.”

 

 

QUESTION 223

To support the enterprise high-availability requirements, which workgroup switch technology can be used to interconnect multiple switches into a single logical unit?

 

A.

StackWise

B.

EtherChannel

C.

vPC

D.

Flex Links

E.

VSS

 

Correct Answer: A

 

 

QUESTION 224

A network manager wants to securely connect a new remote site to the existing headquarters site using a VPN technology that meets security requirements. Which VPN technology should be used?

 

A.

GRE

B.

IPsec

C.

remote-access VPN

D.

L2TP VPN

 

Correct Answer: B

 

 

QUESTION 225

Engineer is designing QoS for application. Which QoS architecture should he choose if application needs to have reserved bandwidth prior to sending data?

 

A.

Differentiated services

B.

Integrated services

C.

LLQ

D.

ToS

 

Correct Answer: B

 

 

QUESTION 226

Which statement is the most accurate regarding IPsec VPN design for an Enterprise Campus environment?

 

A.

VPN device IP addressing must align with the existing Campus addressing scheme.

B.

The choice of a hub-and-spoke or meshed topology ultimately depends on the number of remotes.

C.

Sizing and selection of the IPsec VPN headend devices is most affected by the throughput bandwidth requirements for the remote offices and home worker

D.

Scaling considerations such as headend configuration, routing protocol choice, and topology have the broadest impact on the design.

 

Correct Answer: D

 

 

QUESTION 227

Which Cisco feature can be run on a Cisco router that terminates a WAN connection, to gather and provide WAN circuit information that helps switchover to dynamically back up the WAN circuit?

 

A.

Cisco Express Forwarding

B.

IP SLA

C.

Passive interface

D.

Traffic shaping

 

Correct Answer: B

 

 

QUESTION 228

Which two ways to support secure transport of multicast traffic are true? (Choose two.)

 

A.

Use spoke-to-spoke design.

B.

Use IPsec over GRE tunnel.

C.

Use GET VPN.

D.

Use NBMA instead of broadcast.

E.

Disable encryption for multicast traffic.

 

Correct Answer: BC

Explanation:

GET VPN = Group Encrypted Transport VPN. It is tunnel-less and can support multicast traffic.

 

 

QUESTION 229

Which VRF component ensures control plane separation between the different Layer 3 VPNs?

 

A.

FIB

B.

routing protocol instance

C.

RIB

D.

a subset of the router interfaces

 

Correct Answer: B

 

 

QUESTION 230

DRAG DROP

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Correct Answer:

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