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Cisco CODE: 642-874 Exam Name: Designing Cisco Network Service Architectures



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Question: 1 Cisco Express Forwarding (CEF) is mainly used to increase packet switching speed, reducing the overhead and delays introduced by other routing techniques, increasing overall performance. Which of the following concerning CEF is recommended by Cisco? A. Use default Layer 4 hash in core. B. Use default Layer 3 hash in distribution. C. Use default Layer 4 hash in distribution. D. Use default Layer 3 hash in core and Layer 3 + Layer 4 hash in distribution layer.

Answer: D Question: 2 Which typical enterprise campus requirement ensures that the network supports the required applications and that data flows within the required time frames? A. availability B. performance C. functionality D. manageability

Answer: C Question: 3 You are the Cisco Network Designer in Which of these is a Layer 2 transport architecture that provides packet-based transmission optimized for data based on a dual ring topology? A. Dynamic Trunking Protocol B. Resilient Packet Ring C. Synchronous Digital Hierarchy D. Coarse Wave Division Multiplexing

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Answer: B Question: 4 What two choices can you make when redundancy is required from a branch office to a regional office? (Choose two.) A. multiple Frame Relay PVCs B. dual Wan links to the regional office C. dual Wan links to another branch office D. single links - one to the regional office and one to another branch office

Answer: BD Question: 5 Which one is not the feature of the Cisco Unified Wireless Network architecture? A. network unification B. remote access C. mobility services D. network management

Answer: B Question: 6 What type of Call Admission control in CallManager allows for limits to the bandwidth consumed by active calls? A. regions B. partitions C. locations D. device Pools

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Answer: C Question: 7 Which two of these are correct regarding the recommended practice for distribution layer design based on the following configuration?

A. use a Layer 2 link between distribution switches B. use a Layer 3 link between distribution switches C. use a redundant link to the core D. use a Layer 3 link between distribution switches with route summarization

Answer: C, D Question: 8 Which VPN management feature would be considered to ensure that the network had the least disruption of service when making topology changes?

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A. dynamic reconfiguration B. path MTU discovery C. auto setup D. remote management

Answer: A Explanation: Dynamic reconfiguration: All configuration changes should take effect without requiring a reboot of the device. Disruption of service with a fully loaded VPN device can potentially impact thousands of individual users. Reference: Arch student guide p.9-17

Question: 9 Jitter is an unwanted variation of one or more characteristics of a periodic signal in electronics and telecommunications and _____refers to call issues that cause variations in timing or time of arrival A. echo B. jitter C. packet loss D. digitized sampling

Answer: B Question: 10 Which three components are part of the Intelligent Network Services provided by the Cisco AVVID framework? (Choose three.) A. IP telephony B. security C. IP multicasting D. QoS

Answer: B, C, D

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Cisco CODE: 642-874 Exam Name: Designing Cisco Network Service Architectures

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