Get all latest (August) Cisco 642-996 Actual Test 1-10

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QUESTION 1

Which technology provides the ability to use all links in a LAN topology by providing an active-active path to the upstream switch?

 

A.

STP

B.

vPC

C.

PVST+

D.

RSTP

 

Correct Answer: B

 

 

QUESTION 2

clip_image002

 

Which three items represent features of Cisco Virtual Port Channels? (Choose three)

 

A.

Single control plane

B.

Dual control planes

C.

vPC appears as one switch to downstream switches

D.

vPC appears as two switches to downstream switch

E.

Etherchannel protocols include Static, LACP

F.

channel protocols include Static, PAgP, PAgP+, LACP

 

Correct Answer: ACE

 

 

 

 

QUESTION 3

The classical access layer has its limitations due to a high value in which of the following items?

 

A.

oversubscription

B.

jitter

C.

cost

D.

10 Gigabit Ethernet links

 

Correct Answer: A

 

 

QUESTION 4

Which two features require configuration on a Cisco Nexus 7000 Series data center switch to combat ARP cache poisoning attacks? (Choose two.)

 

A.

Port Security

B.

MAC ACL

C.

TrustSec

D.

DAI

E.

DHCP Snooping

F.

ARP Guard

 

Correct Answer: DE

 

 

QUESTION 5

Which physical data center design will reduce cabling and keep all of the cables within a rack?

 

A.

ToR design

B.

MoR design

C.

EoR design

D.

ILR design

 

Correct Answer: A

 

 

QUESTION 6

Which is a feature of the Data Center Core layer?

 

A.

The core layer provides the high-speed packet switching backplane for all flows going in and out of the data center.

B.

The core layer provides the high-speed packet switching backplane for all flows going out of the data center.

C.

The core layer is purely a Layer 2 environment. As a result, the core layer is not free of spanning tree and vPC.

D.

The core layer provides connectivity to multiple aggregation modules and provides a resilient Layer 3 routed fabric with a single point of failure.

 

Correct Answer: A

 

 

 

 

QUESTION 7

Refer to the exhibit. Which technology achieves Layer 2 adjacencies across PoDs and features equal-cost forwarding on all links in topologies like the one shown?

 

clip_image004

 

A.

vPC+

B.

IS-IS level 2

C.

multiple spanning-trees

D.

FabricPath

 

Correct Answer: D

 

 

QUESTION 8

What is one of the benefits within a Cisco Data Center Network Manager (DCNM)?

 

A.

supports software upgrade and downgrade on the Nexus 1000

B.

supports graphical management of FabricPath on the Nexus 7000

C.

supports
VDC management on the Nexus 5000

D.

supports configuration backup and restore on the Nexus 1000

 

Correct Answer: B

 

 

QUESTION 9

Which two technologies can overcome the link blocking feature that STP implements to ensure a loop-free topology? (Choose two.)

 

A.

vPC

B.

ISSU

C.

MEC

D.

NX-OS HA

E.

GLBP

 

Correct Answer: AC

 

QUESTION 10

Which tool is used to manage NX-OS devices and features like vDC and vPC?

 

A.

Cisco ANM

B.

Flexible NetFlow

C.

Cisco Prime LMS

D.

Cisco Prime DCNM for LAN

E.

Cisco Prime DCNM for SAN

F.

Cisco VNMC

 

Correct Answer: D

 

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