642-655 WAASFE (Wide Area Application Services for Field Engineers) Real Exam Questions

The Wide Area Application Services for Field Engineers exam tests the field engineer candidate’s knowledge and ability to implement a Cisco WAAS solution.

1: Your customer is using firewalls. What must be permitted to pass through firewalls in order to allow WAE autodiscovery?
A.TCP SYN-ACK with data
C.TCP port 139
D.TCP port 445
Correct Answers: B

2: Which two symptoms would you expect to observe in a TCP trace if a Cisco WAE that was optimizing connections fails? (Choose two.)
A.The receiving node receives TCP segments with invalid sequence numbers and resets the connection.
B.The secondary WAE takes over the connection and the receiving node sees nothing.
C.The receiving node continues normally because it has a session to the originating node.
D.All optimized TCP connections handled by that WAE are reset.
E.All optimized TCP connections are taken over by the receiving node.
Correct Answers: A D

3: Which WAE deployment model must you use to configure PortChannels on the core WAE appliances to enable load balancing across WAE interfaces?
A.on-router, one-arm
B.off-router, one-arm
C.on-router, two-arm
D.off-router, two-arm
Correct Answers: B

4: Based on this Central Manger Connection Statistics screen, what is the primary issue with port 8443 traffic not being optimized?
A.The pod7-BR-WAE is overloaded.
B.The connections are not staying open.
C.The proper classifier is not being applied.
D.There is no acceleration policy matching the traffic.
Correct Answers: D

5: When managing a virtual blade through a Virtual Network Computing client, what does the address represent?
A.The Central Manager’s IP address and the number of the virtual blade.
B.The IP address of the core WAE and the CPU used by the virtualization instance.
C.The IP address of the physical interface the virtual interface is bound to on the WAE and the virtual blade number.
D.The virtual blade IP address and the CPU that is being used for virtualization.
Correct Answers: C

6: What two steps are necessary to enable virtualization on a WAVE? (Choose two.)
A.Enable the virtual blade.
B.Install the transport license.
C.WAE(config)# Virtual-Blade 1 enable
D.Install the virtual-blade license.
E.Reload the WAE.
Correct Answers: A D

7: Your customer implemented Cisco WAAS several months ago using WCCPv2. Yesterday, the customer implemented an asymmetric routing configuration, and today the customer called to complain that Cisco WAAS is no longer optimizing connections properly. Which command would you use to troubleshoot this situation?
A.show service-policy
B.show wccp routers
C.show ip access-lists
D.show route-map
Correct Answers: B

8: In a Cisco WAAS deployment, what should you check first if your customer is reporting poor performance across all optimized applications?
A.Verify that duplex settings are configured correctly on all interfaces
B.Verify that only one Central Manager WAE is set to active.
C.Verify that PBR has a route map for each direction of traffic flow.
D.Verify that WCCP is configured with one service group in the path of each direction of traffic flow.
Correct Answers: A

9: How can you verify that the WAE has joined a Microsoft Windows domain correctly?
A.Execute the show windows-domain command on the WAE.
B.Click the Show Authentication Status button in Central Manager.
C.Use the Windows nbtstat command.
D.Use the Windows netstat command.
Correct Answers: B

10: 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
Correct Answers: D

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