642-652 Exam

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Exam : Cisco 642-652
Title : Wide Area Application Services for Field Engineers


1. Your customer has deployed Cisco WAAS using ACE for traffic interception. The customer reports that traffic is not being optimized. Which command would you use to troubleshoot network interception?
A. WAE-CORE# show wccp routers
B. WAE-CORE# show ip access-lists
C. ACE/Admin# show wccp routers
D. ACE/Admin# show rserver detail
E. router# show wccp services
Answer: D

2. After configuring a Cisco WAAS deployment using WCCPv2, you find that you can successfully ping a data center server from a workstation in the branch office. However, when you attempt to start one of the optimized applications, the application cannot communicate with the server. What is the most likely cause?
A. There is insufficient disk space on either the edge or core WAE.
B. You configured half-duplex mode on the WAE interfaces.
C. You configured autonegotiate duplex mode on the WAE interfaces.
D. You deployed the WAE on the same subnet as the users or servers.
Answer: D

3. When implementing Windows authentication for WAE management, what is the maximum allowable time skew between each WAE and the Windows domain controller?
A. 1 second
B. 5 seconds
C. 120 seconds
D. 300 seconds
Answer: D

4. Your customer plans to implement Cisco WAAS using four WAE appliances in a load-balanced configuration. Which feature must be supported on the switches to which the WAE appliances are attached?
A. redirect exclusion
B. Layer 2 redirection
C. WCCPv2
D. WCCPv2 or PBR
Answer: C

5. Refer to the exhibit. Your customer plans to deploy the edge WAE appliances in an off-path, two-arm configuration. The WAE appliances are connected to Cisco Catalyst 6500 Series Switches and use WCCPv2 for traffic interception. The customer wants to minimize the latency added by interception. The customer also wants to know if Layer 2 redirection, rather than GRE tunnels, will improve performance.
What should you tell your customer?
A. Layer 2 redirection can be used only in in-path configurations.
B. Layer 2 redirection can be used only in one-arm configurations.
C. Layer 2 redirection can be used in the customer configuration.
D. GRE tunnels provide better performance than Layer 2 redirection.
Answer: C

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