White Papers

Welcome to the Global Knowledge White Paper Library! Get the latest information on the hottest IT and business topics directly from our expert instructors and training partners. Be sure to check back often as new papers are added monthly!

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IT Training White Papers

White Paper

Cisco Data Center Ethernet

Gain an overview of some of Cisco's data center platforms and their virtualization-aware features.

Dennis Hartmann
White Paper

2010 IT Skills and Salary Report

The 2010 IT Skills and Salary Report from Global Knowledge and TechRepublic is a compilation of crucial data from over 19,500 IT and business professionals. It contains detailed salary information on 80 popular certifications, salary breakdowns by state and region, comparison data from 2010 vs. 2009, and much more.

Global Knowledge
White Paper

CCIE View into the Future of Networking

Managing increasingly sophisticated enterprise networks is a growing necessity for organizations around the world.  As we enter the second decade of the 21st century, there are not enough skilled experts to design, deploy and manage these rapidly growing networks.

Cisco Systems
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Geek Speak v2.0: A Glossary of Common IT Terms

An update to our popular v1.0 "Geek Speak", this white paper will teach you more than 650 popular IT words, phrases, and acronyms.

White Paper

Understanding Data Centers & Cloud Computing

This white paper defines data centers and explore cloud networking.

Paul Stryer
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Integrating Cisco Unified Communications Manager (CUCM) 6.X and Active Directory (AD)

This white paper covers the basics of integrating CUCM and Active Directory (AD), with a particular emphasis on end users and their association with AD.

James McInvaille
White Paper

Solving the Mysteries of Subnetting

Learn how to solve some of the age-old and complicated puzzles of subnetting.

Raj Tolani
White Paper

Enhanced Interior Gateway Routing Protocol (EIGRP)

This white paper will introduce you to EIGRP and will discuss some of its new features.

Dheeraj (Raj) Tolani
White Paper

Wireless Networking 101

This white paper presents a straightforward description of basic wireless networking concepts and wireless communication terminology.

Brent Mossberger
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Three Easy Ways To Achieve and Understand WAN Acceleration with TCP Applications

This white paper highlights the shortcomings of TCP protocol for WAN transmission purposes and explores what you can do to address those challenges.

Alex Marcotte
White Paper

Interdomain Routing with BGP

This white paper provides you with a high-level overview of BGP, a complex routing protocol.

Carol Kavalla
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Securing Layer 2

This paper explains how to secure layer 2 switching at the access layer through port security and how to prevent denial-of-service attacks at layer 2.

Carol Kavalla
White Paper

Fibre Channel Essentials

Learn about Fibre Channel, the ANSI-standard based protocol for data movement between servers and storage devices.

Raymond B. Dooley
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Using Syslog Effectively for Security Troubleshooting

Examine the numerous ways that syslog messages can be used to enhance the secure deployment of an infrastructure of equipment from Cisco®.

Douglas B. McKillip
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Planning Media Resources for Your VoIP Environment

This white paper explains how, with proper planning and configuration, media resources are available at the right locations for maximum link efficiency.

Bernie Gardiner
White Paper

Switching Essentials

This switching essentials white paper, using Cisco 2950 switch examples, teaches you basic concepts helpful for courses like ICND1, ICND2, CCNA Boot Camp, or BCMSN.

Dheeraj (Raj) Tolani
White Paper

Router Essentials

This routing white paper provides some of the basic concepts and commands a beginner-level networking student needs to know.

Dheeraj (Raj) Tolani
White Paper

Conducting a WLAN Site Survey and Implementation for the Cisco® Unified Wireless Network

This paper addresses the first four phases of the Cisco network design methodology: Prepare; Plan; Design; and Implement.

Keven Dech
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Cisco Unified Communications Manager 7 Dial Plan Enhancements and Their Effect on the Dial Plan

This white paper presents the changes in CUCM7 and some of the challenges and solutions CUCM7 provides.

Berni Gardiner
White Paper

Spanning Tree Protocol Essentials for the CCNA Exam

Learn how the CCNA exam addresses the Spanning Tree Protocol (STP).

John Pherson
White Paper

Top 10 Most Overlooked Causes of Trouble in a Cisco Network

Discover the top 10 causes of trouble in a Cisco network.

Rodger Foster
White Paper

IOS Tips and Tricks

Discover some of the ways that IOS commands can help streamline your work and give you more insight into your system.

Al Friebe
White Paper

13 Skills Every IT Pro Should Have

In this white paper, seven experienced IT professionals working in the networking, programming, project management, and security fields share what they believe are the most important skills that every IT pro should know.

Linda Leung
White Paper

The Scoop on the New CCNA and CCNP Specializations

This white paper provides a concise outline of the current Cisco CCNA specializations and their relationship with the corresponding CCNP specializations.

John Pherson
White Paper

Access control Lists (ACLs)

In Cisco IOS, ACLs are used for many things, including, but not limited to, filtering data packets (firewalling), controlling Telnet or SSH access to a router or switch, filtering routing protocols, specifying Quality of Service (QoS), and controlling encryption, NAT, and Dial-on-Demand.

Al Friebe
White Paper

Subnetting Shortcuts

This white paper will de-mystify the math behind subnetting, and provide examples of shortcuts that bypass the need for binary when doing calculations involving subnet masks.

Al Friebe
White Paper

Overcoming IP Telephony Performance Issues in a Converged Network

This white paper discusses the application of QoS to networks with media flows installed in them, such as voice and video.

Jeffrey W. Hall
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Improving Employee Productivity with Cisco Unified Mobility

Examine the calling features of Cisco Unified Communication (CUCM) and walk through the process of configuring the Mobile Connect feature.

Jeffrey W. Hall
White Paper

Integrating the Cisco Unified Presence Server in Your Unified Communications Network

This white paper discusses an option that will allow users to see availability status information of other network users via the Cisco Unified Presence Solution (CUPS) version 7.0.

Jeffrey W. Hall
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How a Spanning Tree Works

This white paper focuses on Spanning Tree Protocol (STP), IEEE Standard 802.11, and addresses the functions of an Ethernet LAN switch.

Carol Kavalla
White Paper

Implementing Cisco's Web 2.0 Collaboration Technologies

Learn how the integration of Cisco's Web 2.0 Collaboration with Unified Communications can provide big benefits to your organization.

Chris Olsen
White Paper

2009 IT Skills and Salary Report

The results are in from the 2nd Annual Global Knowledge and TechRepublic IT salary survey. With over 14,150 responses, our 2009 report is one of the industry's most relevant and revealing IT salary surveys. Our 2009 salary search revealed an average increase of 10% nationally over our 2008 salary study. Learn the top paying salaries for IT jobs based on state, industry, certification, and more.

Global Knowledge
White Paper

How Vulnerable Are Your Cisco IOS Routers?

This Cisco white paper examines some of the potential vulnerabilities that can threaten Cisco routers. Knowing these threats is instrumental in securing your Cisco routers.

Carol Kavalla
White Paper

10 Dying IT Skills

When an IT skill falls out of favor it rarely ever comes back; here's a list of 10 dying IT skills.

Linda Leung
White Paper

IOS Access Control Lists Made Easy

This Cisco training white paper is for readers with any level of ACL experience, providing novices with appreciation and understanding of what goes into the definition of an ACL and giving experts additional insight.

Kurt Patzer
White Paper

VoIP Phone Hardening - Part 2

This white paper examines some of the ways to secure messaging using Cisco Communictions Manager (CUCM).

Paul Stryer
White Paper

Cisco Security Troubleshooting: Part III - Intrusion Prevention Systems

This white paper focuses on troubleshooting the proper sensing operation of a signature-based Intrusion Prevention System (IPS).

Douglas B. McKillip
White Paper

VoIP Phone Hardening - Part 1

This white paper can help you protect your Cisco IP Phones against potential hacker attacks.

Paul Stryer
White Paper

Cisco Enterprise Architecture

This whitepaper focuses on the Enterprise Campus, Enterprise Edge, and Service Provider Edge.

Carol Kavalla
White Paper

Cisco Security Troubleshooting: Part I - Connectivity Through ASA or PIX Firewalls

This paper focuses on the most effective use of both GUI-based and CLI-based troubleshooting tools.

Douglas B. McKillip
White Paper

Cisco Security Troubleshooting: Part II - Virtual Private Networks

This paper examines the use of CLI debug and show commands and explores the three primary VPN implementation areas: Site-to-Site with IPSec; Remote Access with IPSec; and Remote Access with SSL.

Douglas B. McKillip
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High Availability in the Enterprise Campus

This white paper addresses some of the recommendations and considerations for high availability in the enterprise campus.

Carol Kavalla
White Paper

Auto-Registration Phone Tool

This white paper examines how the Cisco IP network infrastructure allows for rapid deployments of IP telephony, unified messaging, Telepresence, mobility, and many emerging applications.

Paul Stryer
White Paper

Call Routing in Cisco Unified Communications Manager

Learn how to use Cisco Unified Communications Manager (CUCM) to develop a real-world, dial-plan configuration.

Dennis Hartmann
White Paper

Why IPv6 Instead Of IPv4?

This white paper explains why a transition from IPv4 to IPv6 can be beneficial.

Carol Kavalla
White Paper

CallManager Custom Ringtones

Learn the steps to creating custom ringtones for Unified Communications Manager (CallManager) and the Cisco IP Phones.

Paul Stryer
White Paper

MPLS: What is it? What can it do for me?

Find out what MPLS is and how it can help provide your customers with flexible networking services.

J.D. Wegner
White Paper

Understanding the Basic Configuration of the Adaptive Security Appliance (ASA)

This paper helps you understand the basic configuration of the Adaptive Security Appliance (ASA).

Andy Fox
White Paper

Building a Home Lab Environment for Cisco Unified Communications

This white paper will provide the knowledge you need to select Cisco IP Phones, switches, and routers for a home unified communications (UC) lab.

Dennis Hartmann
White Paper

Cisco IP Phone Features

Examine various features in Cisco Unified Communications Manager (CUCM) controlled via softkeys that are not enabled by default.

Dennis Hartmann
White Paper

Multicast - What Is It?

This multicast white paper explains the advantages of multicast over unicast delivery.

Carol Kavalla
White Paper

CCNA Wireless Certification

This white paper describes the growing need for the new CCNA Wireless certification.

Humberto Barron
White Paper

Network Assessment in the Troubleshooting Process

Learn assessment best practices that can help you when troubleshooting your network.

Carol Kavalla
White Paper

Voice Architectures and Deployment Models

This white paper explains some of the choices, along with their pros and cons, companies face when migrating to VoIP.

L Berni Gardiner
White Paper

Providing Guest Access in the Enterprise Environment Using the Cisco WLAN Controller

This white paper reflects on the design and deployment of a guest network using the Cisco WLAN controller, isolated from the corporate network, that will provide both wired and wireless guest access.

Marcus Jones
White Paper

QoS: What Is It? Why Do We Need It?

Learn about Quality of Service policies and why your organization should be implementing them.

Berni Gardiner
White Paper

Cisco and Microsoft Collaboration in Unified Communications

Discover how Cisco® and Microsoft are working together to help customers design unified communications solutions that closely align with their productivity, communications, and collaboration objectives.

Cisco Systems
White Paper

Conducting a WLAN Site Survey and Implementation for the Cisco Unified Wireless Network

This Cisco white paper provides a 'how to' overview that can be used when conducting a site survey and installation for a Cisco WLAN.

Keven Dech
White Paper

CCNA v2.0 Review

We have updated our popular overview, CCNA Review, to bring you CCNA v2.0 Review. This paper provides a convenient review of the new version of the composite exam's critical concepts.

Rick Chapin
White Paper

TCP/IP Overview

This white paper provides an overview of TCP/IP, including the technology, interior routing protocols, exterior routing protocols, and Cisco's TCP/IP implementation.

Cisco Systems
White Paper

Troubleshoot a SIP Call Between Two Endpoints

This document provides a sample configuration of two fax machines in order to demonstrate how a Session Initiation Protocol (SIP) call takes place between two gateways.

Cisco Systems
White Paper

Better Security through Access-List Management

This Cisco training white paper gives you the basics of Access List with implementation examples as covered in the CCNA certifications exams.

Raj Tolani
White Paper

The Life and Death of a Rogue AP: Using Cisco's WCS to Manage Potential Rogue APs

This paper discusses at how you can use Cisco's Wireless Control System (WCS) software to manage potential rogue APs and eliminate the threat they pose to the unified network.

Bill Daniel
White Paper

Understanding Voice over IP Signaling Protocols in Cisco Telephony Implementations

Understand the specific functions Voice over Internet Protocol (VoIP) signaling protocols perform and how this information will help you design, build, maintain, and troubleshoot a Cisco VoIP implementation.

Chris Olsen
White Paper

Cisco Unified Communications: Collaborative Communications Systems

In this Cisco training white paper, learn about Cisco's unified communications vision, which combines individual systems with different communications capabilities into a cohesive, powerful communications ecosystem.

Dennis J. Hartmann
White Paper

VoIP: How to Plan for the Bandwidth and Calculate the Cost Savings

The economic drivers for VoIP are catching the attention of CFOs, CIOs, and others involved in costs. Learn how to justify the costs of implementing VoIP and how to plan for its bandwidth.

Bill Treneer