[Free] Download New Updated (October 2016) Cisco 642-996 Real Exam 1-10

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QUESTION 1

The architectural components of the infrastructure are the access layer, the aggregation layer, and the core layer. What is the principal advantage of this model?

 

A.

no advantages to this model

B.

hierarchical structure and its modularity

C.

cost of ownership

D.

return on investment

 

Correct Answer: B

 

 

QUESTION 2

Which two re
sources can be VDC-dedicated resources? (Choose two.)

 

A.

QoS hardware queues

B.

physical interfaces

C.

A table spaces

D.

fabric modules

E.

management interfaces

 

Correct Answer: BE

 

 

QUESTION 3

Which Cisco UCS Fabric Extender provides up to 160 Gbps of bandwidth to the Cisco UCS chassis?

 

A.

UCS 2208XP

B.

UCS 2204XP

C.

UCS 2104XP

D.

UCS 2108XP

 

Correct Answer: A

 

 

QUESTION 4

Which feature protects network devices against abnormal or unwanted traffic such as rogue devices performing various DoS attacks against them?

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p;

A.

control-plane policing

B.

strict unicast RPF

C.

IP Source Guard

D.

intrusion prevention deployed at the edge

E.

intrusion detection deployed at the services layer

 

Correct Answer: A

 

 

QUESTION 5

Which option is a characteristic of a Class 3 F Fibre Channel service?

 

A.

connection-oriented

B.

end-to-end flow control

C.

packet-switched

D.

confirmed delivery

 

Correct Answer: C

 

 

QUESTION 6

After a recent acquisition, you have been asked to merge two SANs into one. Which SAN topology is Cisco recommended?

 

A.

Core-Edge

B.

Edge-Core-Edge

C.

Core Access

D.

Collapsed Core

E.

Collapsed Core-Edge

 

Correct Answer: B

 

 

QUESTION 7

Which two options are benefits of credit-based flow control in a Fibre Channel network? (Choose two.)

 

A.

sends credit to all of the switchesin a SAN zone

B.

increases the credit limit when the buffer overruns

C.

maximizes performance under high loads

D.

prevents the loss of frames due to buffer overruns

E.

provides automatic buffer scaling under high loads

 

Correct Answer: DE

Explanation:

http://icon.clnchina.com.cn/images/UCS_data_path_troubleshooting.pdf(page12)

 

 

QUESTION 8

Which four options describe I/O Accelerator? (Choose four.)

 

A.

is topology dependent

B.

provides unified acceleration service

C.

provides high availability and resiliency

D.

provides load balancing

E.

is transport agnostic

F.

Each IOA engine provides 1-Gbps application throughput.

G.

uses TCP

H.

does not support multiple paths and PortChannels

 

Correct Answer: BCDE

 

 

 

 

 

QUESTION 9

Which four statements about Cisco Overlay Transport Virtualization are true? (Choose four.)

 

A.

OTV is a “MAC in IP” technique for supporting Layer 2 VLANs over any transport.

B.

OTV is not a public standard, even though the technology is based on standardized protocols.

C.

OTV is public standard because the technology is based on standardized protocols.

D.

OTV is supported on all M-Series modules of Cisco Nexus 7000.

E.

OTV is core and site transparent. Changes to the Layer 2 design of the sites are needed.

F.

OTV enables the network administrator to statically map MAC addresses to IP addresses.

G.

OTV cannot support multiple concurrent overlays.

H.

OTV supports Catalyst 6500.

 

Correct Answer: ABDF

 

 

QUESTION 10

Which of the following is true with respect to Cisco Adapter FEX?

 

A.

Cisco Adapter FEX extends the Cisco FEX technology into a traditional rack servers MoR design.

B.

An EoR design is not permitted with Cisco Adapter FEX.

C.

Cisco Adapter FEX extends VDCs across multiple Cisco Nexus switches.

D.

A ToR design is not permitted with Cisco Adapter FEX.

 

Correct Answer: A

 

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