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Book Description

New Edition of Best Selling Official Cert Guide: Updated Content, New Exercises, and Expanded Coverage — PLUS includes CCNA Network Simulator Lite Edition.

The new edition of bestselling CCENT/CCNA ICND1 640-822 Official Cert Guide by Wendell Odom has been updated to refresh the content, add new exercises, and enhance certain topics that are key to understanding for success on the CCENT and CCNA exams. The IP addressing topics have been rewritten and re-organized to mirror proven techniques to learn both the concepts and the specific pieces of the subnetting puzzle. In addition, the TCP/IP and OSI Networking Models chapter was also completely updated and rewritten.

Learn, prepare, and practice for exam success

• Master CCENT/CCNA ICND1exam topics
• Assess your knowledge with chapter-opening quizzes
• Review key concepts with exam preparation tasks
• Practice with realistic exam questions on the DVD
• Learn from 60 minutes of Video mentoring
• Apply concepts within Network Simulator lab exercises

CCENT/CCNA ICND1 640-822 Official Cert Guide, Third Edition is part of a recommended learning path from Cisco that includes simulation and hands-on training from authorized Cisco Learning Partners and self-study products from Cisco Press. Download Now »

Book Description

New Edition of Best Selling Official Cert Guide: Updated Content, New Exercises, and Expanded Coverage — PLUS includes CCNA Network Simulator Lite

The new edition of bestselling CCNA ICND2 640-816 Official Cert Guide by Wendell Odom has been updated to refresh the content, add new exercises, and enhance certain topics that are key to understanding for success on the CCNA exams. Chapters on VLSM, route summarization, and IP access control lists have been completely revised. In addition the book contains new practice exercises for all three of these topics to help reinforce the concepts and increase computation speed for exam preparation.

Learn, prepare, and practice for exam success

• Master CCNA ICND2 exam topics
• Assess your knowledge with chapter-opening quizzes
• Review key concepts with exam preparation tasks
• Practice with realistic exam questions on the DVD
• Learn from 60 minutes of Video mentoring
• Apply concepts within Network Simulator lab exercises

CCNA ICND2 640-816 Official Cert Guide, Third Edition is part of a recommended learning path from Cisco that includes simulation and hands-on training from authorized Cisco Learning Partners and self-study products from Cisco Press. Download Now »

Book Description

Learn, prepare, and practice for exam success

CCNP Security IPS 642-627 Official Cert Guide is a best-of-breed Cisco exam study guide that focuses specifically on the objectives for the CCNP Security IPS exam. Senior security engineers David Burns, Odunayo Adesina, and Keith Barker share preparation hints and test-taking tips, helping you identify areas of weakness and improve both your conceptual knowledge and hands-on skills. Material is presented in a concise manner, focusing on increasing your understanding and retention of exam topics.

CCNP Security IPS 642-627 Official Cert Guide presents you with an organized test-preparation routine through the use of proven series elements and techniques. “Do I Know This Already?” quizzes open each chapter and enable you to decide how much time you need to spend on each section. Exam topic lists make referencing easy. Chapter-ending Exam Preparation Tasks help you drill on key concepts you must know thoroughly.

The companion CD-ROM contains the powerful Pearson IT Certification Practice Test engine that enables you to focus on individual topic areas or take a complete, timed exam. The assessment engine also tracks your performance and provides feedback on a module-by-module basis, laying out a complete assessment of your knowledge to help you focus your study where it is needed most.

CCNP Security IPS 642-627 Official Cert Guide is part of a recommended learning path from Cisco that includes simulation and hands-on training from authorized Cisco Learning Partners and self-study products from Cisco Press. Download Now »

Book Description

Nagios is a tool for system and network monitoring. It constantly checks other machines and various services on those machines. The main purpose of system monitoring is to detect and report any system not working properly as soon as possible so that you are aware of problems before a user runs into them. It is a modular and flexible solution that uses plug-ins to do its job.

The book is an introduction to Nagios that will teach readers to use Nagios with its advanced features. At the same time, readers who have already used earlier versions of Nagios will also benefit because they will learn about the new and advanced features of Nagios 3.

This book focuses on the new features of Nagios and will teach readers to secure their systems in a much improved manner.

What you will learn from this book

• Understand system monitoring and how Nagios works
• Install and configure Nagios to administer your network and system
• Deploy agents and plug-ins, and monitor assets with advanced features of Nagios
• Notify users of current and future incidents to protect the availability, performance, and security of monitored assets
• Configure and work your way around Nagios’s web interface
• Pass service and host check results over the network using NSCA Download Now »

Book Description

A tactical guide to installing, implementing, optimizing, and supporting SSH in order to secure your network

Prevent unwanted hacker attacks! This detailed guide will show you how to strengthen your company system’s defenses, keep critical data secure, and add to the functionality of your network by deploying SSH. Security expert Himanshu Dwivedi shows you ways to implement SSH on virtually all operating systems, desktops, and servers, so your system is safe, secure, and stable. Learn how SSH fulfills all the core items in security, including authentication, authorization, encryption, integrity, and auditing. Also, discover methods to optimize the protocol for security and functionality on Unix®, Windows®, and network architecture environments. Additionally, find out about the similarities and differences of the major SSH servers and clients.

With the help of numerous architectural examples and case studies, you’ll gain the necessary skills to:

• Explore many remote access solutions, including the theory, setup, and configuration of port forwarding
• Take advantage of features such as secure e-mail, proxy, and dynamic port forwarding
• Use SSH on network devices that are traditionally managed by Telnet
• Utilize SSH as a VPN solution in both a server and client aspect
• Replace insecure protocols such as Rsh, Rlogin, and FTP
• Use SSH to secure Web browsing and as a secure wireless (802.11) solution

Download Now »

Book Description

Addressing the fundamental technologies and theories associated with designing complex communications systems and networks, Principles of Communications Networks and Systemsprovides models and analytical methods for evaluating their performance. Including both the physical layer (digital transmission and modulation) and networking topics, the quality of service concepts belonging to the different layers of the protocol stack are interrelated to form a comprehensive picture.

The book is designed to present the material in an accessible but rigorous manner. It jointly addresses networking and transmission aspects following a unified approach and using a bottom up style of presentation, starting from requirements on transmission links all the way up to the corresponding quality of service at network and application layers. The focus is on presenting the material in an integrated and systematic fashion so that students will have a clear view of all the principal aspects and of how they interconnect with each other.

• A comprehensive introduction to communications systems and networks, addressing both network and transmission topics
• Structured for effective learning, with basic principles and technologies being introduced before more advanced ones are explained
• Features examples of existing systems and recent standards as well as advanced digital modulation techniques such as CDMA and OFDM
• Contains tools to help the reader in the design and performance analysis Download Now »