642-655 Exam

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Exam : Cisco 642-655
Title : WAASFE-Wide Area
Application Services for
Field Engineers


1. What is the primary issue with port 8443 traffic not being optimized according to the following Central Manger Connection Statistics screen?
A. The proper classifier is not being applied.
B. The pod7-BR-WAE is overloaded.
C. The connections are not staying open.
D. There is no acceleration policy matching the traffic.
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 a Cisco WAE that was optimizing connections fails, which two symptoms will appear in a TCP trace? (Choose two.)
A. The receiving node receives TCP segments with invalid sequence numbers and resets the connection.
B. All optimized TCP connections are taken over by the receiving node.
C. The secondary WAE takes over the connection and the receiving node sees nothing.
D. All optimized TCP connections handled by that WAE are reset.
Answer: AD

4. In order to enable load balancing across WAE interfaces, which WAE deployment model should be used to configure PortChannels on the core WAE appliances?
A. on-router, two-arm
B. off-router, one-arm
C. off-router, two-arm
D. on-router, one-arm
Answer: B

5. . One of your customers is using firewalls. What need to be permitted to pass through firewalls in order to allow WAE autodiscovery?
A. TCP port 139
B. TCP options
C. TCP port 445
D. TCP SYN-ACK with data
Answer: B

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