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642-651 : Cisco Wide Area Applications Services Technical Training Last Updated Thursday, July 03, 2008 with 60 Questions

Cisco Wide Area Application Services for System Engineers exam
Exam Number: 642-651 Exam
Associated Certifications: Cisco Wide Area Application Services for System Engineers exam
Duration: 60 Q&As

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QUESTION 1
How often is the Cisco WAE running the edge file service able to cache previously-seen
files to ensure the files are not stale?
A. According to a user-specified schedule
B. Every Hour
C. Every Time the file is opened
D. Every Time the file is modified
Answer: C
QUESTION 2
You should recommended PBR to a customer that requires which type of support?
A. Failover but not load balancing
B. Failover and load Balancing
C. Asymmetric Routing
D. Symmetric Routing
Answer: A
QUESTION 3
How often does an Cisco WAE negotiate the policy to be used for a given connection?
A. Every Time a TCP connection is established through the WAE
B. Every Time a new Client-Server pair initiates communication
C. Once, after which the WAE uses the policy for all connections
D. Twice, once for outgoing and once for incoming traffic
Answer: A
QUESTION 4
Which statement best describes Cisco WAAS Transport Flow Optimization?
A. TFO optimizes CIFS connections for client-server traffic
B. TFO streamlines file locking semantics
C. TFO optimizes TCP connections for client-server traffic
D. TFO is a data compression method
Answer: C
QUESTION 5
Refer to Exhibit:
642-651
Actualtests.com – The Power of Knowing
Certkiller .com has deployed a Cisco WAE in its data center. The servers that are being
optimized are on subnet 10.1.20/24 and the WAE has been configured with the IP
Address 10.1.2.50. However, routing loops have resulted from this configuration.
How can the customer fix the problem?
A. Configure a WCCPv2 redirect exclude directive
B. Redeploy the WAE on a Different Subnet or VLAN subinterface
C. Configure a PBR access list to exclude the WAE IP Address
D. Correct the configuration of the WCCPv2 service groups
Answer: B
QUESTION 6
When you size a Cisco WAAS solution, you should assume that how many of the total
number of concurrent TCP connections per user will be optimized?
A. 25-40
B. 4-7
C. 14-20
D. 1-2
Answer: B
QUESTION 7
According to the Cisco Network Foundation Protection architecture, Which security
feature should be applied at the access layer?
A. Anti-spoofing Mechanisms
B. Control Plane Protection
C. Traffic rate limitation
D. CPU and Memory Thresholds
Answer: C
642-651
Actualtests.com – The Power of Knowing
QUESTION 8
You have configured a Central Manager WAE cluster for Certkiller .com. After a
technician accidentally unplugs the power cord from the primary central manager WAE,
the network administrator calls you to complain that the standby central manager WAE
did not automatically assume the primary role. What should you tell this administrator?
A. You should make sure the two Central Manager WAE appliances are on the same
subnet
B. You Must manually initiate failover and fallback processes on the WAE
C. You must manually copy the Central Manager Database to the standby Central
Manager WAE
D. You should verify that the datafeed.pollrate setting is configured properly
Answer: B
QUESTION 9
Certkiller .com’s service provider manages its WAN infrastructure. The customer wants to
deploy Cisco WAAS to accelerate file services for a small number of branch offices, but
the service provider manages the routers at each site and Certkiller .com’s terms of service
prohibit the customer from customizing router configurations. Which interception
method should you recommend?
A. PBR
B. ACE
C. Inline card
D. WCCPv2
Answer: C
QUESTION 10
What are three benefits of using the Cisco WAE file blocking features? (Choose three.)
A. Minimizes the transfer of unsanctioned data
B. Ensures that files can’t be edited until they are synchronized between the branch and
the data center
C. Prevents multiple users from attempting to edit the same file
D. Reduce the use of network resources
E. Controls which file types stored on the data center file server
F. Eliminates data redundancy
Answer: A,D,E