Download e-book for iPad: Authorized self-study guide: Cisco Voice over IP by Kevin Wallace

By Kevin Wallace

ISBN-10: 1587055546

ISBN-13: 9781587055546

I've got my ccnp and ccna instant, so i have been via 6 different ciscopress books. althoug this ccvp booklet is fine, it rambles over an identical matters means too lengthy. i will not recognize if it really is on track for the try out until eventually i take the attempt, yet thus far it sort of feels mediocre in comparison to the opposite ciscopress books i have received.

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Network modules available for the 2600XM Series and 3700 Series support many applications, including multiservice voice and data integration, integrated switching, analog and ISDN dial access, and serial device concentration. com/go/2600 to learn more about the Cisco 2600XM Series multiservice routers. Figure 1-15 Cisco 2600XM Series Chapter 1: Introducing Voice over IP Networks Cisco 3600 Series Multiservice Access Routers The Cisco 3600 Series, as shown in Figure 1-16, is a family of modular, multiservice access platforms for medium- and large-sized offices and smaller Internet service providers (ISPs).

This algorithm produces a 160-bit result, which is then truncated to 80 bits to become the authentication tag, which is then appended to a packet. The HMAC is calculated over the packet payload and material from the packet header, including the packet sequence number. Replay Protection To protect against replay attacks, a receiver must maintain the indices of previously received messages, comparing them with the index of each newly received message and admitting the new message only if it has not been played before.

722, or Cisco Wideband Audio) between devices within the site. ■ High-bandwidth video (for example, 384 kbps or greater) between devices within the site. The Cisco Unified Video Advantage Wideband Codec, operating at 7 Mbps, is also supported. Benefits of Single-Site Deployment A single infrastructure for a converged network solution provides significant cost benefits and enables Cisco Unified Communications to take advantage of many IP-based applications in an enterprise. Single-site deployment also allows each site to be completely selfcontained.

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Authorized self-study guide: Cisco Voice over IP by Kevin Wallace


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