Cisco Wide Area Application Services for System Engineers exam : 642-651 Exam
642-651 WAASSE
Wide Area Application Services for System Engineers
Exam Number: 642-651
Duration: 60 minutes (60 questions)
Available Languages: English
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Exam Description
The Wide Area Application Services for System Engineers exam (WAASSE 642-651) tests the system engineer candidate’s knowledge and ability to implement a Cisco WAAS solution.
Exam Topics
The following topics are general guidelines for the content likely to be included on the Remote Access exam. However, other related topics may also appear on any specific delivery of the exam.
Describe the WAAS product set
Describe the features of the WAAS product family
Describe the components of a WAAS solution
Describe the use of WCCP
Describe the use of policy based routing
Describe the use of the inline module for the WAE
Describe the function and positioning of DRE
Describe the TCP connection process
Describe the use of TCP Flow Optimization (TFO)
Describe how AutoDiscovery functions
Describe the function and purpose of the Application Traffic Policy (ATP) manager
Describe the application specific acceleration capabilities for CIFS and NFS
Describe WAAS management and monitoring capabilities
Describe the personalities for WAAS devices
Describe the high level capabilities of Cisco WAAS management
Describe IOS features that provide prioritization and control in a Cisco WAAS network
Design a solution to meet customer requirements
Identify compatibility issues between WAAS and features deployed on a customer’s existing network
Identify and describe the components of a WAAS site survey
Design a WAAS solution to meet customer requirements
Design a Load Balanced WAAS solution to meet customer requirements
Exam Number/Code: 642-651
Exam Name:Cisco Wide Area Application Services for System Engineers exam
“Cisco Wide Area Application Services for System Engineers exam”, also known as 642-651 exam, is a Cisco certification. With the complete collection of questions and answers, Actualtests has assembled to take you through 60 Q&As to your 642-651 Exam preparation. In the 642-651 exam resources, you will cover every field and category in WAASSE helping to ready you for your successful Cisco Certification.
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QUESTION 11
With Cisco WAAS advanced compression DRE, Which three are functions of the DRE
Process? (Choose three.)
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A. Synchronization
B. Fingerprint and chunk identification
C. TCP Proxy
D. LZ Compression
E. Data Segment pre-positioning
F. Pattern Matching
Answer: A,B,F
QUESTION 12
Which features of Central Manager helps to simplify the Configuration of large numbers
of Cisco WAE devices?
A. Windows Integration
B. Location Groups
C. WAFS core clusters
D. Device Groups
Answer: D
QUESTION 13
Refer to the exhibit:
Certkiller .com needs to be able to support 1000 optimized TCP Connections at the edge
and 4000 optimized TCP connections at the data center, with a 155-Mbps OC-3 links into
the data center. Which hardware platforms would you recommend?
A. WAE-512 with 1GB RAM and WAE-612 with 4 GB of RAM
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B. WAE-512 with 2GB RAM and WAE-612 with 4 GB of RAM
C. WAE-512 with 2GB RAM and WAE-612 with 2 GB of RAM
D. WAE-512 with 1GB RAM and WAE-612 with 2 GB of RAM
Answer: B
QUESTION 14
Refer to Exhibit:
Certkiller .com has installed its data center WAE as shown. Which configuration change
would improve the performance of the WAE?
A. Create a PortChannel Between the WAE and the Router
B. Use PBR redirection instead of WCCPv2
C. Change to an off-router configuration
D. Change to a tow-arm configuration
Answer: D
QUESTION 15
Which of these assign an action to be taken against traffic that matches a criterion?
A. Traffic Classifiers
B. Baseline Policies
C. Policy Maps
D. Application Definitions
Answer: C
QUESTION 16
Certkiller .com wants to configure PortChannels on it’s Core WAE appliances to enable
load balancing Across WAE interfaces. Which WAE deployment model must this
customer use?
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A. On-Router one-arm
B. On-Router two-arm
C. Off-Router one-arm
D. Off-Router two-arm
Answer: C
QUESTION 17
In a Cisco WAAS environment, which TCP connection establishment messages should
you examine if Certkiller .com 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?
A. SYN and FIN
B. SYN and ACK
C. SYN and SYN ACK
D. ACK and SYN ACK
Answer: C
QUESTION 18
Which two statements describe what is required for read-only disconnected mode to
automatically activated during a prolonged WAAS disconnect? (Choose two.)
A. The WAE must be configured for Windows Authentication
B. The WAE must be joined to the same workgroup as the Windows Server
C. NTP services must be configured on the WAE appliances
D. The WAE must be able to access Windows Domain Controller
E. The Windows server must be configured for operating in disconnected mode
Answer: A,D
QUESTION 19
Certkiller .com wants to use Active Directory to manage authentication for WAE
administrative users. How should you configure authentication in the Cisco WAAS
Central Manager?
A. Configure TACACS+ services on the Active Directory Server and set TACACS+ as
the primary login method
B. Configure Active Directory As the Primary login method
C. Configure RADIUS services on the Active Directory server and set RAIDUS as the
primary login method
D. Configure LDAP services on the Active Directory Server and Set LDAP as the
Primary login method
Answer: B
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QUESTION 20
A device has recently registered with the Central Manager. What must be done before the
device can be used?
A. A device group must be specified for it
B. It must be assigned an IP Address
C. A primary interface must be specified for it
D. It must be activated
Answer: D
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