Cisco CCDP 642-874

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Cisco 642-874 Exam Syllabus Topics:

Cisco Designing Cisco Network Service Architectures Sample Questions:

1. Which three statements about zoning are correct? (Choose three.)

A) DNS queries are used for software zoning.
B) Zoning increases security.
C) Software zoning is more secure than hardware zoning.
D) When using zones and VSANs together, the zone is created first.
E) Zoning requires that VSANs be established before it becomes operational.

2. Which of the following should the Enterprise Campus network designer consider with respect to Video traffic?

A) Streaming video applications are sensitive to delay while interactive video applications, using TCP as the underlying transport, are fairly tolerant of delay and jitter
B) While it is expected that the sum of all forms of video traffic will grow to over 90% by 2013, the Enterprise will be spared this rapid adoption of video by consumers through a traditional top-down approach
C) Avoid bandwidth starvation due to video traffic by preventing and controlling the wide adoption of unsupported video applications
D) Which traffic model is in use, the flow direction for the traffic streams between the application components, and the traffic trends for each video application

3. When is a first-hop redundancy protocol needed in the distribution layer?

A) when the design implements Layer 2 between the access and distribution blocks
B) when the design implements Layer 2 between the access switch and the distribution blocks
C) when a robust method of backing up the default gateway is needed
D) when preempt tuning of the default gateway is needed
E) when multiple vendor devices need to be supported

4. Which of the following is most accurate with respect to designing high availability within the Enterprise Campus network?

A) Non-deterministic traffic patterns require a highly available modular topology design
B) Default gateway redundancy allows for the failure of a redundant Distribution switch without affecting endpoint connectivity
C) Distribution layer high availability design includes redundant switches and Layer 3 equal-cost load sharing connections to the switched Access and routed Core layers, with a Layer 3 link between the Distribution switches to support summarization of routing information from the Distribution to the Core
D) High availability at and between the Distribution and Access layers is as simple as redundant switches and redundant Layer 3 connections

5. What WAN feature can prioritize real-time, IP-based applications when circuits may be saturated?

A) FRTS
B) LLQ
C) WFQ
D) CBWFQ

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