* Understand the basics of PSTN services and IP signaling protocols, including SS7
* Learn how VoIP can run the same applications as the existing telephony system, but in a more cost-efficient and scalable manner
* Delve into such VoIP topics as jitter, latency,...

Here's the comprehensive and economical self-study solution that will provide you with the knowledge and skills needed to approach the CCNP exams with confidence. This Study Guide was developed to meet the exacting requirements of today's...

is a best-of-breed Cisco® exam study guide that focuses specifically on the objectives for the CCNP® SWITCH exam. Network architect and best-selling author Dave Hucaby shares preparation hints and test-taking tips, helping you identify areas of weakness and improve both your...

When adopting a storage networking solution, you need to understand the business case for your decision. Yet this process is fraught with many business and technical considerations. How...

• Understand the basics of the IPsec protocol and learn implementation best practices

• Study up-to-date IPsec design, incorporating current Cisco innovations in the security and...

Welcome to CompTIA A+ Practice Questions Exam Cram. The sole purpose of this book is to provide you with practice questions that are complete with answers and explanations to help you learn, drill, and review for the CompTIA A+ certification exam. The book offers many questions that will help you practice each exam objective and will help you...

Cisco Unified Communications Manager 8: Expert Administration Cookbook is filled with many advanced recipes to effectively and efficiently configure and manage Cisco Unified Communications Manager.

This book intends to serve as a quick reference for consultants and administrators to quickly address and resolve common problems...

• Updated edition of best-selling CCNP BCMSN Exam Certification Guide provides complete coverage of all exam objectivesL

• The only...

CCSP CSI Exam Certification Guide, Second Edition, is a best-of-breed Cisco exam study guide that focuses specifically on the objectives for the CSI exam. Inside, you'll find preparation hints and test-taking tips to help you identify areas of weakness and improve both your conceptual and...