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Cisco 640-864 Exam Syllabus Topics:

Cisco Designing for Cisco Internetwork Solutions Sample Questions:

1. With deterministic Wireless LAN Controller redundancy design, the different options available to the designer have their own strengths. Which one of these statements is an example of such a strength?

A) N+1 redundancy configuration uses Layer 3 intercontroller roaming, maintaining traffic on the same subnet for more efficiency.
B) N+N redundancy configuration allows logically grouping access points on controllers to minimize intercontroller roaming events.
C) N+N+1 redundancy configuration has the least impact to system management because all of the controllers are colocated in an NOC or data center.
D) Dynamic load balancing, or salt-and-pepper access point design, avoids the potential impact of oversubscription on aggregate network performance.

2. WAN backup over the Internet is often used to provide primary connection redundancy. Which is the most important consideration when passing corporate traffic over the public Internet?

A) static versus dynamic routing
B) latency
C) security
D) QoS
E) bandwidth

3. What is the acceptable amount of one-way network delay for voice and video applications?

A) 500 ms
B) 1 sec
C) 150 ms
D) 300 bytes

4. What are three valid methods of gathering information about an existing data network? (Choose three.)

A) Use reports that analyze the metrics of the customer's existing network.
B) Use organizational input.
C) Perform a traffic analysis.
D) Perform a packet-level audit to verify carrier service guarantees.
E) Perform a network audit to gather more detail about the network.
F) Analyze the user-mapping of a running application.

5. Refer to the exhibit.

Which statement accurately represents the characteristics of the core layer in this design?

A) Partial mesh should be used as long as it is connected to each device by multiple paths.
B) Load balancing should never be implemented or used.
C) QoS should only be performed only in the core.
D) Access lists should be used in the core to perform packet manipulation.
E) Policy-based traffic control should be implemented to enable prioritization and ensure the best performance for all time-critical applications.

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