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Cisco 642-655 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Cisco WAAS Architecture and Components | 20% | - WAE, Central Manager, and WAAS Express components - WAAS solution overview and benefits - Licensing and feature sets - Deployment models: In-path, WCCP, PBR, One-Arm, Two-Arm |
| Installation and Initial Configuration | 20% | - Hardware and software installation - Central Manager setup and device registration - Redirection methods configuration - Basic network and interface configuration |
| Troubleshooting WAAS Deployments | 15% | - Connectivity and authentication issues - Redirection issues and verification - Optimization failures and performance problems - System errors and fault isolation |
| Optimization Technologies and Configuration | 25% | - Application-specific acceleration: HTTP, CIFS, SSL, Video - Policy creation and classification rules - TCP optimization and flow control - DRE (Data Redundancy Elimination) and LZ compression |
| Monitoring, Reporting and Maintenance | 20% | - Central Manager monitoring dashboards - Software upgrades and backups - Logging, alerts and reporting - CLI commands for status and statistics |
Cisco WAASFE-Wide Area Application Services for Field Engineers Sample Questions:
1. Exhibit:
What are two possible reasons the CORE1 WAE might be displayed as "Offline"? (Choose two.)
A) The WAE is configured in the same VLAN as the server nodes
B) The WAE is powered off
C) The HTTPS service is disabled
D) The Central Manager service is disabled
2. 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 route-map
B) show ip access-lists
C) show wccp routers
D) show service-policy
3. How can you verify that the WAE has joined a Microsoft Windows domain correctly?
A) Use the Windows nbtstat command
B) Use the Windows netstat command
C) Execute the show windows-domain command on the WAE
D) Click the Show Authentication Status button in Central Manager
4. Exhibit:
The exhibit shows the result of executing the show wccp services configuration. What conclusion can you draw from this result?
A) The configuration is valid
B) The configuration is valid for an in-line deployment only
C) The configuration is not valid
D) The configuration is valid if a redirect exclude directive has been configured correctly
5. The command show wccp services displays what?
A) The WAE appliances that are registered with the router WCCP service
B) The WCCP service groups that are configured on the router
C) The routers that are registered with the WCCP service of the WAE
D) The WCCP service groups that are configured on the WAE
Solutions:
| Question # 1 Answer: B,D | Question # 2 Answer: C | Question # 3 Answer: D | Question # 4 Answer: C | Question # 5 Answer: D |



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