[Free] 2017(June) Ensurepass Testking Cisco 300-320 Actual Tests 181-190

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Designing Cisco Network Service Architectures (ARCH)

QUESTION 181

What Nexus technology avoids blocking links between the access layer and the aggregation layer in a data center network design?

 

A.

FCoE

B.

LACP

C.

vPC

D.

FEX

 

Correct Answer: C

 

 

QUESTION 182

A network engineer has implemented a looped triangle switch block design. What element must be included in the design?

 

A.

first hop redundancy protocol

B.

Layer 2 links between access switches

C.

single uplinks between access and distribution switches

D.

VLANs that span access switches

E.

Layer 3 links between distribution switches

 

Correct Answer: A

 

 

QUESTION 183

In which multicast configuration is MSDP most useful?

 

A.

Interdomain IPv4 PIM sparse-Mode

B.

Interdomain IPv4 PIM dense-Mode

C.

Intra-domain IPv4 PIM dense-Mode

D.

Intra-domain IPv4 PIM sparse-Mode

 

Correct Answer: A

 

 

 

 

 

 

QUESTION 184

Which virtualization technology allows for HSRP protocol to be used in the active/active configuration where both HSRP Layer 3 devices can forward network traffic?

 

A.

OTV

B.

VSS

C.

vPC

D.

VDC

 

Correct Answer: C

 

 

QUESTION 185

A network designer wants to improve security at the edge of the network and allow routing protocols to communicate without any additional configuration. What firewall mode meets the design requirements?

 

A.

routed

B.

zoned

C.

context

D.

transparent

 

Correct Answer: D

 

 

QUESTION 186

Which protocol is best when there are circuit connections with two different ISPs in a multihoming scenario?

 

A.

VRRP

B.

BGP

C.

IPsec

D.

SSL

 

Correct Answer: B

 

 

QUESTION 187

A network engineer is designing an address plan based on network applications. Which application presents the greatest need for its own address block?

 

A.

IP telephony

B.

management

C.

multicast

D.

physical security

 

Correct Answer: A

 

 

QUESTION 188

Which two of these correctly describe Fibre Channel? (Choose two.)

 

A.

supports multiple protocols

B.

works only in a shared or loop environment

C.

allows addressing for up to 4 million nodes

D.

allows addressing for up to 8 million nodes

E.

provides a high speed transport for SCSI payloads

F.

may stretch to a distance of up to 100 km before needing extenders

 

Correct Answer: AE

Explanation:

https://www.safaribooksonline.com/library/view/foundation-learning-guide/9780132652933/ch06.html

 

“Fibre Channel includes these features:

Addressing for up to 16 million nodes

Loop (shared) and fabric (switched) transport options

Host speeds of 100 to 400 MBps, or an effective throughput of 1 to 4 Gbps on the fabric

Segment distances of up to 6 miles (10 km)

Support for multiple protocol”

 

 

QUESTION 189

What data center network layer provides service module integration, Layer 2 domain definitions and default gateway redundancy?

 

A.

core

B.

aggregation

C.

access

D.

edge

 

Correct Answer: B

 

 

QUESTION 190

An organization is deploying a new load balancing environment to support sensitive applications. The security requirements include discrete IP segments used for VIPs and for the application hosts. What load balancer mode meets the requirements?

 

A.

router

B.

bridge

C.

transparent

D.

pass-through

 

Correct Answer: A

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