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Cisco 640-861 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Addressing and Routing Design | - IPv4/IPv6 addressing design strategies - Routing protocol selection and design considerations |
| LAN and WAN Design | - WAN technologies and service provider connectivity - Campus LAN architecture design |
| Security and Management in Network Design | - Security architecture considerations - Network management and monitoring design |
| Network Design Fundamentals | - Business requirements analysis - Design methodology and structured design principles |
| Enterprise Technologies Integration | - Voice and converged network design basics - Wireless network design considerations |
| Scalability and Performance | - High availability design principles - Network optimization and scalability planning |
Cisco CCDA Cisco Certified Design Associate Sample Questions:
You've designed a converged network to carry voice calls on-net as close as possible to the destination to avoid long distance charges. Which two are reasons that a VoIP call could go off-net earlier than designed? (Choose two)
- A. Remote voice gateway sending busy-back signal.
- B. The telephone user dials an access code.
- C. Destination routing not configured on local and remote gateways. C.
Call manager server is too busy to process the call.
Correct Answer: A,B 🗳️
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Which codec should be used for this VoIP installation?
- A. G.711 with Point to Point Protocol with full-duplex will allow the maximum amount of 10-ms calls to fit the bandwidth available or shorten others.
- B. G.729 at 26.4 kbps will fulfill the present voice and data requirements. Make sure the customer knows that bandwidth capacity will have to be increased to achieve the stretch goal.
- C. 802.3 with half-duplex will allow the maximum amount of 10-ms calls to fit the bandwidth available.
- D. G.729 with PPP will allow the most efficient use of the available bandwidth.
- E. G.711 with Frame Relay will supply their needs and give the company room to grow in the future with minimal costs.
Correct Answer: B 🗳️
Which bandwidth recommendation is most appropriate for the network?
- A. Gateway support must be available to ensure that VoIP packets use the correct firewall.
- B. Round-trip delays of 10 ms or less should be available on the LAN at least 70 percent of the time.
- C. The round-trip delay between any two points (LAN and WAN combined) should be less than 400 ms.
- D. The round-trip delay on the LAN should always be less than 20 ms.
Correct Answer: B 🗳️
Western Associated News Agency recently acquired a large news organization with several sites, which will allow it to expand to worldwide markets. The new acquisition brings with it a multitude of connectivity technologies, including Frame Relay, ATM, SONET, cable, DSL, and wireless. Which Enterprise Edge module will receive the most attention from a Layer 1 viewpoint?
- A. Internet Connectivity
- B. WAN
- C. E-Commerce
- D. PSTN
- E. ISP
- F. Edge Distribution
Correct Answer: B 🗳️
When evaluating a current voice network you may run into several different legacy technologies. Drag the technology description on the left to the correct technology name on the right.
Correct Answer:
