1. Through which way does Cisco WAAS advanced compression DRE improve on traditional LZ

　　compression?

　　A. removing the transmission of previously-seen data B. implementing a more aggressive, hardware-intensive version of the LZ compression algorithm

　　C. pre-positioning often-used file segments on the edge WAE appliances

　　D. comparing hashes of each file version to avoid unnecessary file synchronization Answer: A

　　2. Refer to the following tools, which two can be used to determine what percentage of WAN traffic will be

　　optimized when you use a Cisco WAAS deployment? (Choose two.) A. IP SLAs

　　B. NBAR

　　C. NetFlow D. Tcpreplay

　　Answer: BC

　　3. Which LAN traffic management feature is fully supported by Cisco WAAS? A. intrusion detection system

　　B. QoS

　　C. NBAR D. MPLS

　　Answer: B

　　4. When WCCPv2 is running on a switch or router, what does it use to redirect traffic to a Cisco WAE? A. Layer 4-7 inspection

　　B. GRE tunnels or Layer 2 direction

　　C. NBAR D. MPLS tunnels or Layer 2 direction

　　Answer: B

　　5. Which method will most effectively provide management and monitoring failover for Cisco WAAS? A. Use multiple Cisco WAE devices at the data center.

　　B. Use a primary and a secondary Central Manager.

　　C. Use multiple Cisco WAE devices at each client location. D. Use a Cisco CDM at the data center and a Cisco CDM at the furthest client location.

　　Answer: B

　　6. In a Cisco WAAS environment, which TCP connection establishment messages should you examine if your customer has sent you a TCP protocol trace and asked for your help in understanding why the WAE

　　appliances are failing to negotiate the correct, optimized policy?

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　　A. SYN and FIN

　　B. SYN andACK

　　C. SYN and SYNACK D.ACK and SYNACK

　　Answer: C

　　7. Study the following exhibit carefully, your customer has installed its data center WAE as displayed Which configuration change can improve the performance of the WAE?

　　A. change to a two-arm configuration

　　B. use PBR redirection instead of WCCPv2 C. create a PortChannel between the WAE and the router

　　D. change to an off-router configuration

　　Answer: A 8. Your customer's service provider manages its WAN infrastructure. The customer would like 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 your customer's terms of service prohibit the customer from customizing router configurations. Which interception method will you recommend?

　　A. PBR

　　B.ACE C. WCCPv2

　　D. inline card

　　Answer: D 9. Which two options correctly identify the WAE file services integration modes available in Cisco WAAS?

　　(Choose two.)

　　A. transparent, in which the WAE appears as a node on the remote office LAN

　　B. transparent, in which the WAE does not appear as a node on the remote office LAN

　　C. non-transparent, in which the WAE appears as a node on the remote office LAN

　　D. non-transparent, in which the WAE does not appear as a node on the remote office LAN Answer: BC

　　10. What is the function of the Catalyst 6500ACE module in a Cisco WAAS solution?

　　A. to perform application acceleration functions for CIFS applications B. to provide interception and load-balancing of WAE appliances in the data center

　　C. to support load balancing of large numbers of WAE appliances when deployed with WCCPv2

　　D. to provide WAN optimization capabilities in the data center Answer: B

　　11. Which three are high-availability Cisco WAE solutions for a branch office? (Choose three.)

　　A. PBR B. WCCP

　　C. firewall load-balancing Cisco WAE devices

　　D. multiple Cisco WAE devices with inline cards Answer: ABD

　　12. Your customer has purchased multiple Cisco WAE appliances, but does not want to dedicate one WAE

　　for management purposes only. How would you advise this customer? A. There must be at least one Central Manager available for configuration and management tasks.

　　B. The data center WAE can be used for both the Central Manager andApplicationAccelerator roles.

　　C. There is no need for a dedicated Central Manager; all configuration tasks can be performed on the application accelerators using the WAE device CLI and GUI.

　　D. If one of the WAE appliances is configured as the Central Manager, then later, after all application

　　accelerators are registered and on line, the Central Manager WAE can be reconfigured as an application accelerator.

　　Answer: A

　　13. Which three characteristics are provided by Cisco WAAS to enable the consolidation of infrastructure from remote offices into the data center? (Choose three.)

　　A. policy-based configuration

　　B. auto-discovery of CIFS servers C. transparent integration into existing networks

　　D. encapsulation of traffic between WAE appliances in GRE tunnels

　　Answer: ABC 14. In order to ensure the files are not stale, how often is the Cisco WAE running the edge file service able

　　to cache previously-seen files?

　　A. every time the file is modified

　　B. every time the file is opened

　　C. according to a user-specified schedule D. every hour

　　Answer: B

　　15. 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. 1-2

　　B. 4-7 C. 14-20

　　D. 25-40

　　Answer: B 16. The following diagram displays your customer's edge WAE configuration. Which WCCPv2 interception

　　configuration can be applied to the Serial0 interface?

　　A. Redirect out / service group 61 B. Redirect in / service group 62

　　C. Redirect out / service group 62

　　D. Redirect in / service group 61

　　Answer: B

　　17. Refer to the following items, which high-availability method is used with inline interception? A. WCCPv2

　　B. fail-to-wire

　　C. load balancing D. load balancing with theACE module

　　Answer: B

　　18. When using PBR, what do you need to configure to enable failover? A. QoS

　　B. MPLS

　　C. IP SLAs D. NetFlow

　　Answer: C

　　19. One of your customers would like to use Active Directory to manage authentication for WAE administrative users. How to configure authentication in the Cisco WAAS Central Manager?

　　A. ConfigureActive Directory as the primary login method.

　　B. Configure TACACS+ services on the Active Directory server and set TACACS+ as the primary login method.

　　C. Configure LDAP services on theActive Directory server and set LDAP as the primary login method.

　　D. Configure RADIUS services on theActive Directory server and set RADIUS as the primary login method. Answer: A

　　20. Through which way does Cisco WAAS mark traffic so that network devices can apply QoS?

　　A. QoS settings cannot be controlled in Cisco WAAS B. the WCCP options in the Central Manager

　　C. the DSCP options in the traffic classifier configuration

　　D. the DSCP options in the application definition Answer: D

　　21. What are three benefits of using the Cisco WAE file blocking feature? (Choose three.)

　　A. eliminates data redundancy B. reduces the use of network resources

　　C. minimizes the transfer of unsanctioned data

　　D. controls which file types are stored on the data center file server Answer: BCD

　　22. Which two Cisco WAE device modes are valid? (Choose two.)

　　A.Application Optimizer

　　B. Central WAE

　　C. Central Manager D.ApplicationAccelerator

　　Answer: CD

　　23. Can you tell me how to monitor optimization statistics for a given application across multiple Cisco WAE devices?

　　A. Ensure that each application resides on a different subnet.

　　B. Create a device group for all Cisco WAE devices on which the application is optimized. C. Create a separate application traffic policy for the application.

　　D. Create a location group for all Cisco WAE devices on which the application is optimized.

　　Answer: C 24. Your customer is using firewalls. What must be permitted to pass through the firewalls in order to allow

　　WAE auto-discovery?

　　A. TCP options B. TCP port 139

　　C. TCP port 445

　　D. TCP SYN-ACK with data Answer: A

　　25. The Cisco WAAS design of your customer calls for the Central Manager to be deployed on the Core

　　WAE, which is a WAE-612 with 2GB of RAM. The customer initially configured the WAE as an application accelerator, and then issued the device mode central-manager command to enable Central Manager

　　service. Now the customer complains that the WAE is no longer accelerating traffic. Why?

　　A. The Central Manager and application accelerator cannot be deployed on the same WAE. B. Central Manager is consuming too much CPU time on the WAE. The Central Manager service should be

　　implemented on a less-utilized edge WAE.

　　C. At least 4GB of RAM must be installed for the WAE to serve as both Central Manager and application accelerator.

　　D. The device mode central-manager command must be issued before the device mode

　　application-accelerator command. Answer: A

　　26. Which function is performed by Cisco WAAS directed mode?

　　A. to allow Cisco WAE devices to connect directly to the Central Manager B. to allow clients to manage the Central Manager

　　C. to allow clients to connect directly to the Central Manager

　　D. to allow third-party firewalls to support sequence number jumps with Cisco WAAS

　　Answer: D

　　27. Which two functions does the Central Manager provide in a Cisco WAAS environment? (Choose two.) A. application acceleration

　　B. management of CIFS servers

　　C. application statistics monitoring D. policy configuration and distribution

　　Answer: CD

　　28. What is the advantage of generic GRE? A. Only one generic GRE tunnel can be created on the switch.

　　B. It is faster than WCCP GRE.

　　C. It speeds Layer 2 redirection. D. It does not spike the CPU on a Cisco Catalyst 6500 because generic GRE processes packets in

　　hardware.

　　Answer: D 29. Which two benefits can we get by using Cisco WAAS with Cisco security devices such as Cisco Pix,

　　CiscoASA, and Cisco IOS firewalls? (Choose two.)

　　A. The security devices will speed Cisco WAAS transport. B. Cisco WAAS requires Cisco security devices to be installed.

　　C. The security devices can be configured to support Cisco WAAS automatic discovery.

　　D. The security devices support the TCP sequence number jump that Cisco WAAS uses. Answer: CD

　　30. How can you monitor optimization statistics for a given application across multiple Cisco WAE devices?

　　A. Create a device group for all WAE devices on which that application is optimized. B. Create a location group for all WAE devices on which that application is optimized.

　　C. Create a separate application traffic policy for each application.

　　D. Ensure that each application resides on a different subnet. Answer: A

　　31. In the network, Cisco WAAS WAE devices should be deployed at which two points? (Choose two.)

　　A. at the branch, close to the edge router B. at the data center, close to the servers

　　C. next to each VPN concentrator

　　D. on the data center firewalls Answer: AB

　　32. Which is the best way to integrate Cisco WAAS into a client's network?

　　A. Deploy the Cisco WAE appliance with the inline card.

　　B. Deploy an inline card in an NM-WAE.

　　C. Configure WCCP on the Cisco WAE devices. D. Configure WCCP on the routers.

　　Answer: C

　　33. Your customer is using PBR as the interception method on its routers. Which mechanism would you recommend to ensure WAE availability and failover if a WAE fails?

　　A. enable NetFlow to track WAE appliances

　　B. enable IP SLAs to track WAE appliances C. nothing, PBR automatically tracks WAE appliances

　　D. nothing, PBR does not support the tracking of WAE appliances

　　Answer: B 34. Which two entities are in charge of reestablishing the connections if a Cisco WAE that is optimizing

　　connections fails? (Choose two.)

　　A. the host on the side of the network on which the Cisco WAE failed B. the remaining Cisco WAE from the original optimized pair

　　C. the WCCP router at the branch office

　　D. the WCCP router at the data center Answer: AB

　　35. Which parameter should be taken into consideration while selecting a Cisco WAE model for a Cisco

　　WAAS deployment? A. bandwidth of the largest WAN link

　　B. concurrent TCP sessions to be optimized

　　C. bandwidth of the smallest WAN link D. total WAN throughput

　　Answer: B

　　36. Your customer wants to configure PortChannels on its Core WAE appliances to enable load balancing across WAE interfaces.

　　Which WAE deployment model must this customer use?

　　A. on-router one-arm B. on-router two-arm

　　C. off-router one-arm

　　D. off-router two-arm Answer: C

　　37. In a corporate network, a Cisco WAAS Mobile server should be installed in which two places? (Choosetwo.)

　　A. as close to the clients as possible

　　B. close to the VPN concentrators C. as close to the server farm as possible

　　D. close to the mobile clients' inbound connections to the corporate network

　　Answer: BD 38. Which two policies are used by the CIFS acceleration component of Cisco WAAS? (Choose two.)

　　A. CIFS Policy

　　B. WAFS Policy C. Directory Mapping Policy

　　D. Connectivity Policy

　　Answer: AB 39. The Cisco WAE Appliances provide a unified platform for hosting Cisco application acceleration and

　　WAN optimization

　　solutions.At which point will the Cisco WAE start to pass through traffic because of overload? A. when the optimized connection count reaches 98 percent of the maximum value

　　B. when the total number of dropped packets exceeds 20 percent of the total packets transmitted

　　C. when there is no longer any bandwidth available D. when the optimized connection count reaches 91 percent of the maximum value

　　Answer: A

　　40. Which description is correct about Cisco WAAS Transport Flow Optimization? A. TFO optimizes CIFS connections for client-server traffic.

　　B. TFO is a data compression method.

　　C. TFO optimizes TCP connections for client-server traffic. D. TFO streamlines file locking semantics.

　　Answer: C

　　41. Your customer is planning to deploy a pair of clustered Cisco WAE-7326 appliances in its data center. How many RUs will

　　it need?

　　A. 1 B. 2

　　C. 4

　　D. 8 Answer: C

　　42. Cisco WAAS is a powerful application acceleration and WAN optimization solution that accelerates the

　　performance of any TCP-based application delivered across a WAN. How does Cisco WAAS support

　　NBAR?

　　A. The WAE appliances do not compress connections that are marked for NBAR processing. B. NBAR is not supported in Cisco WAAS environments.

　　C. The WAE appliances do not compress the first few packets of each connection.

　　D. No support is needed; NBAR is unaffected by Cisco WAAS integration. Answer: C

　　43. With Cisco WAAS advanced compression DRE, which three functions are performed during the DRE

　　process? (Choose three.) A. LZ compression

　　B. fingerprint and chunk identification

　　C. synchronization D. pattern matching

　　Answer: BCD

　　44. Which feature of Central Manager helps to simplify the configuration of large numbers of Cisco WAE devices?

　　A. device groups

　　B. location groups C. WAFS core clusters

　　D. Windows integration

　　Answer: A 45. In order to ensure Cisco WAAS Mobile transport and management, which three protocols and ports

　　need to be allowed through corporate firewalls? (Choose three.)

　　A. TCP 80 B. UDP 8080

　　C. TCP 8080

　　D. UDP 1182 Answer: ACD

　　46. Cisco WAAS is a powerful application acceleration and WAN optimization solution that accelerates the

　　performance of any TCP-based application delivered across a WAN. Which Cisco WAAS component is the depository for individual application statistics?

　　A. the policy map

　　B. the traffic classifier C. the inline card manager

　　D. the application definition

　　Answer: D

　　47. Which two statements describe what is required for read-only disconnected mode to be automatically

　　activated during a prolonged WAAS disconnect? (Choose two.) A. The WAE must be able to access a Windows Domain Controller.

　　B. The WAE must be configured for Windows authentication.

　　C. The WAE must be joined to the same workgroup as the Windows server. D. The Windows server must be configured for operating in disconnected mode.

　　Answer: AB

　　48. Two Cisco WAE devices start to optimize traffic at which point? A. when TCP SYN is received

　　B. after TCPACK is sent

　　C. when TCP SYNACK is received D. when the router receives the first packet

　　Answer: B

　　49. Do you know how often the Cisco WAAS automatic discovery process takes place? A. once per office

　　B. every hour

　　C. once per user D. on a connection-by-connection basis

　　Answer: D

　　50. Which statement best describes the purpose of Cisco WAAS Transport Flow Optimization? A. compress data

　　B. reduce packet loss

　　C. mask problematic WAN conditions D. reduce congestion on low-bandwidth networks

　　Answer: C