Saturday, September 15, 2012

642-357 Study Guide / 642-357 Testing Engine / 642-357 Videos

Cisco CCNA Training, Cisco CCNA Certification

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QUESTION 1
Which SAN extension topology is a low-latency, cost-effective, high-bandwidth solution that is
suitable only within a limited geographical area?

A. FCIP
B. DWDM
C. CWDM
D. SONET/SDH

Answer: C


QUESTION 2
Your Cisco MDS 9509 configuration requires 2000 watts of power and is configured with two
2500W power supplies. If 110V power is provided to the switch, in which power mode does the
switch operate?

A. The director will operate in redundant mode only.
B. The director will operate in combined mode only
C. The director will operate in redundant mode or combined mode
D. The director cannot operate with 110V power

Answer: B


QUESTION 3
Which two kinds of applications require sustained throughput and are sensitive to latency?
(Choose two.)

A. synchronous replication
B. asynchronous replication
C. OLTP
D. tape backup
E.
F. mail

Answer: A,D


QUESTION 4
Which of the following designs would provide your customer with the highest performance and port
utilization?

A. multi-tier design
B. collapsed core design
C. corE.edge design
D. singlE.tier design

Answer: B


QUESTION 5
Refer to the exhibit.

A customer plans to add a tape backup subsystem to its existing storage network. In which
location should the customer place the tape backup device in order to provide the best
performance during backup and recovery?

A. A
B. B
C. C
D. D

Answer: B


Cisco CCNA Training, Cisco CCNA Certification
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