CISCO 642-655 EXAM QUESTIONS & ANSWERS Number: 642-655 Passing Score: 800 Time Limit: 120 min File Version: 70.0 http://www.gratisexam.com/ CISCO 642-655 EXAM QUESTIONS & ANSWERS Exam Name: WAASFE-Wide Area Application Services for Field Engineers
Testinside QUESTION 1 Which setting should be used in the "Boot from" filed in the virtual blade configuration when an operating system is first installed through an CD ISO image onto a virtual blade? A. /local1/vbs/win2k8.iso B. WAAS /local1/loca/vb folder C. Floppy Disk D. CD-ROM E. hard disk Correct Answer: D /Reference: QUESTION 2 Exhibit: You work as a network engineer at Your company. You study the exhibit carefully.when troubleshooting video licensing on a WAE, this Central Manager output is displayed. Which two steps should be taken to enable the video license? (Choose two.) A. Restart the WAE
B. Select the Enterprise Check Box C. Select the Video Check Box D. Select the Virtual-Blade Check Box Correct Answer: BC /Reference: QUESTION 3 Which command verifies that a WAE in-line card is intercepting traffic from the correct VLANs? A. show wccp services B. show wccp vlans inline C. show int inlinegroup x/y D. show ip access-lists /Reference: QUESTION 4 In which two ways will you register and activate a WAE to the Central Manager? (Choose two.) A. WAE(Config)#cms enable do active B. The auto-activate icon in the Central Manager C. WAE(Config)#cms enable D. The quickstart setup procedure D /Reference: QUESTION 5 Exhibit:
You work as a network engineer at Your company. You study the exhibit carefully. A WAE in your environment is experiencing no HTTP acceleration. What is the problem according to the output from the Central Manager? A. HTTP and Video Accelerators cannot be enabled at the same time B. The HTTP Accelerator is not enabled C. DRE eliminates all need for HTTP acceleration D. The Enterprise license is not installed Correct Answer: B /Reference: QUESTION 6 Exhibit:
You work as a network engineer at Your company. You study the exhibit carefully. The following diagram displays the Cisco WAAS configuration for your customer. Which WCCPv2 interception configuration should be applied to interface Serial0? A. Redirect in / service group 62 B. Redirect out / service group 62 C. Redirect in / service group 61 D. Redirect out/service group 61 /Reference: QUESTION 7 How to monitor optimization statistics for a given application across multiple WAE devices?
http://www.gratisexam.com/ A. Create a separate application traffic policy for each application B. Create a location group for all WAE devices on which that application is optimized C. Ensure that each application resides on a different subnet D. Create a device group for all WAE devices on which that application is optimized Correct Answer: D /Reference: QUESTION 8 Exhibit: Based on the following exhibit. Which two are the possible reasons the CORE1 WAE might be displayed as "Offline"? A. The Central Manager service is disabled B. The WAE is powered off C. The WAE is configured in the same VLAN as the server nodes D. The HTTPS service is disabled B /Reference:
QUESTION 9 The Cisco WAE Appliances provide a unified platform for hosting Cisco application acceleration and WAN optimization solutions. Your customer complains that traffic has never been received by the remote WAE device after deploying Cisco WAAS by use of WCCPv2 in an off-path configuration. Which two parameters should be verified? (Choose two.) A. Routing Configuration B. Router IP Address C. WCCP Status D. Service group redirection D /Reference: QUESTION 10 Through which two ways firewalls can cause WAAS performance issues? (Choose two.) A. Firewalls slow the traffic going through the WAAS devices B. Firewalls see that the TCP sequence number has shifted and drop the connection C. Auto discovery uses the firewall scrub of the TCP options D. Only TFO will work through firewalls E. Only DRE and LZ will work through firewalls Correct Answer: BC /Reference: QUESTION 11 You work as a network technician for your company. You are asked to configure a Central Manager WAE cluster for your customer. After the power cord is accidentally unplugged from the primary Central Manager WAE, the standby Central Manager WAE did not automatically assume the primary role. What should you do? A. You must manually initiate failover and fallback processes on the WAE B. You should make sure the central manager WAE appliances are on the same subnet C. You should verify that thedatafeed.pollrate setting is configured properly D. You must manually copy the Central Manager database to the standby Central Manager WAE /Reference: QUESTION 12 After configuring a Cisco WAAS deployment using WCCPv2, you find that you can successfully ping a data center sever 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. You configured autonegotiate duplex mode on the WAE interfaces B. There is insufficient disk space on either the edge or core WAE C. You deployed the WAE on the same subnet as the users or servers D. You configured half-duplex mode on the WAE interfaces /Reference: QUESTION 13 How do you access the WAE Central Manager GUI? A. https://ip_addr_wae:8080 B. http://ip_of_wae C. https://ip_addr_of_wae:8443 D. https://ip_add_wae :443 /Reference: QUESTION 14 How do you obtain the client software for WAAS Mobile? A. By creating a client distribution in the WAAS Mobile Manager B. By using the existing Windows WAAS mobile for installation C. By using the existing Windows VPN client for installation D. By downloading the client installation from Cisco /Reference: QUESTION 15 When configuring adapter policies in a Cisco WAAS environment, what is the purpose of the EPM adapter? A. To identify the dynamically assigned port number of a connection B. To specify the traffic that is associated with an optimization C. To provide grouping for statistics and monitoring D. To differentiate priority on a congested link
/Reference: QUESTION 16 One of your customers is using firewalls. What need to be permitted to pass through firewalls in order to allow WAE autodiscovery? A. TCP options B. TCP SYN-ACK with data C. TCP port 139 D. TCP port 445 /Reference: QUESTION 17 With Cisco WAAS, which two WCCPv2 service groups are used to make up the TCP Promiscuous service group? (Choose two.) A. 61 B. 60 C. 62 D. 89 C /Reference: QUESTION 18 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. one-router, one-arm B. on-router, two-arm C. off-router, one-arm D. off-router, two-arm /Reference: QUESTION 19 Which WAAS mobile tool can be used to verify that data is moving between the client and the WAAS mobile server? A. The Server Sessions Traffic screen
B. The Active Server Traffic screen C. The Active Sessions Traffic screen D. The main WAAS Mobile Client Manager screen /Reference: QUESTION 20 How to monitor optimization statistics for a given application across multiple WAE devices? A. Create a separate application traffic policy for each application B. Create a device group for all WAE devices on which that application is optimized C. Ensure that each application resides on a different subnet D. Create a location group for all WAE devices on which that application is optimized Correct Answer: B /Reference: QUESTION 21 How to configure authentication if your customer would like to use Active Directory to manage authentication for WAE administrative users? A. Configure Windows domain as the primary login method in Central Manager B. Configure TACACS+ services on the Active Directory server and set TACACS+ as the primary login method in Central Manager C. Configure RADIUS services on the Active Directory Server and set RADIUS as the primary login method in Central Manager D. Configure LDAP services on the Active Directory server and set LDAP as the primary login method in Central Manager /Reference: QUESTION 22 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. Layer 2 Redirection B. WCCPv2 C. WCCPv2 or PBR D. Redirect exclusion Correct Answer: B
/Reference: QUESTION 23 Exhibit: The following exhibit displays the result of executing the show wccp services configuration. What conclusion can be drawn from this result? A. The configuration is valid if a redirect exclude directive has been configured correctly B. The configuration is valid for an in-line deployment only C. The configuration is valid D. The configuration is not valid Correct Answer: D /Reference: QUESTION 24 Which feature of Central Manager specifies the configuration items that a user can see? A. Authentication Providers B. System Settings C. Roles D. Policy Maps /Reference: QUESTION 25 When must WCCPv2 redirect exclusion be configured on the routers? A. When redirect in is used on the WAN interface only B. When redirect out is used on any interface C. When redirect in is used on the LAN interface only D. When redirect in is used on any interface Correct Answer: B
/Reference: QUESTION 26 Your customer has configured each Cisco WAE to belong to multiple device groups for monitoring purposes. However the customer wants to ensure that the policies are applied to the device from one specific device group. What should you do? A. You should configure an explicit policy device group B. You should rejoin the WAE to the desired device group C. You must remove the WAE from all other device groups D. You should configure the other device groups as monitoring-only /Reference: QUESTION 27 In a Cisco WAAS deployment, what should you check first if your customer is reporting poor performance across all optimized applications? A. Verify that PBR has a route map for each direction of traffic flow B. Verify that WCCP is configured with one service group in the path of each direction of traffic flow C. Verify that (full) duplex settings is correctly configured on all interfaces D. Verify that only one Central Manager WAE is set to active /Reference: QUESTION 28 Effective device permissions such as access and configure are the summations of which two elements? (Choose two.) A. Authentication provides assignments to that user B. Roles assigned to that user C. Policy maps assigned to that user D. Domains assigned to that user Correct Answer: BD /Reference: QUESTION 29 Exhibit:
The following diagram displays an entry from a TFO transaction log on the WAE. What conclusion can be drawn from this result? A. The connection is not being optimized because the remote WAE had different TFO optimizations configured than the local WAE B. The connection is not being optimized because the configured optimizations are not supported on the peer WAE C. The connection is being optimized correctly, but no traffic has been optimized yet D. The connection is not being optimized because autodiscovery failed with the remote WAE Correct Answer: D /Reference: QUESTION 30 The Cisco WAAS design for your customer calls for the Central Manager to be deployed on the Core WAE, which is a Cisco WAE-612 with 2-GB RAM. The customer initially configured the WAE as an application accelerator and then issued the device mode central-manger command to enable Central Manager Service. The customer reports that the WAE is no longer accelerating traffic. What is the problem? A. The device mode central-manager command must be issued before the device mode applicationaccelerator command B. Central Manager is consuming too much CPU time on the WAE. The Central Managerservice should be implemented on a less-utilized edge-wae C. Central Manager and Application Accelerator cannot be deployed on the same WAE D. At least 4 GB of RAM must be installed for the WAE to serve as both Central Manager and Application Accelerator /Reference: QUESTION 31 What is a valid Cisco WAAS device group type? A. Application accelerator group B. Location group C. WAFS core cluster D. Authentication group /Reference:
QUESTION 32 Which option below associates classified traffic to an application definition and assigns an action? A. Policy maps B. Application definitions C. Baseline Policies D. Traffic classifiers /Reference: QUESTION 33 At which point must a reload command be issued during initial setup of the Central Manager WAE? A. After specifying the primary interface of the WAE B. After running the initial setup script C. After specifying the device mode D. After issuing the copy run start command Correct Answer: D /Reference: QUESTION 34 A WAE device recently registered against a Central Manager. What must you do before the WAE can receive a policy and interact with other WAE devices? A. Specify a primary interface B. Assign an IP address C. Activate the device D. Specify the device group /Reference: QUESTION 35 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.
D /Reference: http://www.gratisexam.com/