Download Cisco : 642-655 Questions & Answers as PDF & Test Software
Updated: Aug 13, 2026
No. of Questions: 75 Questions & Answers with Testing Engine
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Cisco 642-655 Exam Overview:
| Certification Vendor: | Cisco |
| Exam Name: | WAASFE-Wide Area Application Services for Field Engineers |
| Exam Number: | 642-655 |
| Available Languages: | English |
| Exam Price: | USD 300 |
| Exam Format: | Multiple Choice (Single/Multiple), Drag-and-Drop, Simulation, Scenario-Based |
| Related Certifications: | WAASSE - Wide Area Application Services for Systems Engineers |
| Certificate Validity Period: | 3 years |
| Real Exam Qty: | 55-65 |
| Exam Duration: | 90 minutes |
| Passing Score: | 825 / 1000 |
| Recommended Training: | Cisco WAASFE Official Training |
| Exam Registration: | Pearson VUE Registration |
| Sample Questions: | Cisco 642-655 Sample Questions |
| Exam Way: | Onsite at Pearson VUE testing centers; online proctored exam also available when active |
| Pre Condition: | No mandatory prerequisites; recommended basic knowledge of WAN technologies and Cisco networking |
| Official Syllabus URL: | https://www.cisco.com/site/us/en/learn/training-certifications/exams/retired.html |
Cisco 642-655 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Monitoring, Reporting and Maintenance | 20% | - Logging, alerts and reporting - Software upgrades and backups - Central Manager monitoring dashboards - CLI commands for status and statistics |
| Optimization Technologies and Configuration | 25% | - Application-specific acceleration: HTTP, CIFS, SSL, Video - DRE (Data Redundancy Elimination) and LZ compression - TCP optimization and flow control - Policy creation and classification rules |
| Troubleshooting WAAS Deployments | 15% | - Connectivity and authentication issues - Optimization failures and performance problems - Redirection issues and verification - System errors and fault isolation |
| 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% | - Redirection methods configuration - Basic network and interface configuration - Hardware and software installation - Central Manager setup and device registration |
Cisco WAASFE-Wide Area Application Services for Field Engineers Sample Questions:
1. 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 configure the other device groups as monitoring-only
C) You must remove the WAE from all other device groups
D) You should rejoin the WAE to the desired device group
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 Manger output is seen. What two steps must be completed to enable the video license? (Choose two.)
A) Select the Video Check Box
B) Select the Enterprise Check Box
C) Select the Virtual-Blade Check Box
D) Restart the WAE
3. When an operating system is first installed via an CD ISO image onto a virtual blade, what setting must be used in the "Boot from" field in the virtual blade configuration?
A) CD-ROM
B) WAAS /local1/loca/vb folder
C) /local1/vbs/win2k8.iso
D) Floppy Disk
4. Which three parameters are valid for a device group? (Choose three.)
A) Interception configuration
B) Accelerate configuration
C) Authentication provider
D) Installed software version
5. 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 Central Manager service is disabled
C) The WAE is powered off
D) The HTTPS service is disabled
Solutions:
| Question # 1 Answer: A | Question # 2 Answer: A,B | Question # 3 Answer: A | Question # 4 Answer: A,B,D | Question # 5 Answer: B,C |
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