642-972 braindumps

Exam Name: Data Center Application Services Design
Exam Type: Cisco
Exam Code: 642-972 Total Questions 102
Why is WCCPv2 used in WAAS deployments?

A. To enable firewall transparency
B. To enable NetFlow data collection
C. To redirect traffic to a Cisco ACE Module
D. To intercept and redirect traffic to the WAE

Answer: D
Given a design to load-balance a web application based on browser type, which type o
will the Cisco ACE appliance need to make?

A. A Layer 4 decision based on TCP port 80
B. A Layer 7 decision based on the HTTP request header field HOST
C. A Layer 7 decision based on the HTTP reply header field Browser_Type
D. A Layer 7 decision based on the HTTP request header field User_Agent
E. A Layer 7 decision based on the HTTP request header field Browser_Type

Answer: D
When considering a Cisco ACE Module implementation, a site survey should first be taken to
confirm which two requirements? (Choose two.)

A. Cisco Catalyst 4500 Switch chassis with an open-fabric-enabled port
Cisco Catalyst 4500 Series Supervisor Engine 4
Cisco IOS Software Release 12.2(31)SGA or later
B. Cisco Catalyst 6509 Switch chassis with an open-fabric-enabled port
Cisco Catalyst 6500 Series Supervisor Engine 32
Cisco IOS Software Release 12.2(18)SXF4 or later
C. Cisco Catalyst 6709 Switch chassis with an open-fabric-enabled port
Cisco Catalyst 6700 Series Supervisor Engine 720
Cisco IOS Software Release 12.2(33)SXH or later
D. Cisco Catalyst 6506 Switch chassis with an open-fabric-enabled port
Cisco Catalyst 6500 Series Supervisor Engine 720
Cisco IOS Software Release 12.2(18)SXF4 or later
E. Cisco 7600 Switch chassis with an open-fabric-enabled port
Cisco 7600 Series Supervisor Engine 720
Cisco 7600 Series Route Switch Processor 720
Cisco IOS Software Release 12.2(18)SXF4 or later

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Answer: D, E

Question: 10
The Cisco GSS serves as an authoritative name server for one or more domains. When
deploying it behind a firewall, which three of these must be configured on the firewall to permit
communication through to it? (Choose three.)

A. DNS queries
B. CDP messages
C. Routing protocol updates
D. Other protocols (FTP, Telnet, SSH, SNMP)
E. Keepalive messages between the router and Cisco GSS
F. Keepalive protocols (KAL-AP, ICMP, HTTP, and user defined TCP Ports)

Answer: A, D, F
Cisco WAAS Mobile provides industry-leading performance through extended Cisco WAAS
acceleration technology, which specific characteristics are included? (Choose three)

A. High-level Data transmission compression
B. Applying specific acceleration
C. High-level security performance
D. Transmission Optimization

Answer: A, B, D

Question: 80
What are the main features and advantages that Cisco WAAS performs in the wide area network
optimization? (Choose three)

A. Transport Flow Optimization (TFO)
B. Data Redundancy Elimination (DRE)
C. Session-based auto-negotiation permanent compression support extra 10:1 compression at
most.
D. Session-based auto-negotiation permanent compression support extra 5:1 compression at
most.

Answer: A, B, D
You are the network consultant from pass4usre.com. You have a customer who is planning to
deploy WAAS in an environment protected by a Cisco ASA adaptive security appliance firewall.
The customer told you WAAS automatic discovery is not compatible with firewalls. How to reply?

A. Nothing needed to explain.
B. WAAS should always be placed outside of the firewall.
C. He should confirm it is using a compatible version of Cisco ASA software.
D. He should change the Cisco ASA adaptive security appliance firewall to Cisco Catalyst 6500
Series Firewall Services Module.

Answer: C

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