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Exam Profile: CompTIA A+ 220-801 & 220-802
By David L. Prowse
Sep 17, 2012
This article profiles the CompTIA A+ exams (220-801 & 220-802). Find out what you can expect to see on the exams and how you can better prepare for them.
Network+ Cert Guide: Typical Router Setup
By Anthony Sequeira
Sep 3, 2012
Routers are a key element in modern networks of any size. This article walks readers through typical setup and details some of the most important aspects of an industry representing router from Cisco Systems.
What's New and What's Changed in the 2012 CompTIA A+ Certification Exams
By David L. Prowse
Aug 29, 2012
Author David Prowse reviews some of the biggest changes and additions to the CompTIA A+ exam.
CompTIA A+ 220-801 Practice Exam
By David L. Prowse
Aug 15, 2012
This is a complete, 100 question practice exam for the CompTIA A+ 220-801 certification, including detailed answers.
CompTIA Healthcare IT Technician HIT-001 Cert Guide: Regulatory Requirements
By Jean Andrews, Joy Dark
Aug 14, 2012
This chapter identifies and explains the roles of some important agencies and laws, HIPAA controls and compliance issues, types of health records and rules of record retention and disposal, and finally legal best practices, requirements, and documentation.
Core Principles of Virtual Private Networks (VPNs) for CompTIA Network+
By Anthony Sequeira
May 21, 2012
This article teaches readers about the core principles that make VPNs such an important and growing area of networking.
Securing Wireless Networks for CompTIA Network+
By Anthony Sequeira
May 16, 2012
This important article walks the reader through key security mechanisms that should be considered for any wireless network environment.
Typical Switch Setup for CompTIA Network+
By Anthony Sequeira
May 9, 2012
This important article details the basic setup of one of transparent switches, and describes key concepts such as VLANs and management interfaces that any Network + candidate should master.
Quality of Service (QoS) for CompTIA Network+
By Anthony Sequeira
May 7, 2012
What are the reasons for worrying about Quality of Service in networks today? What are overall approaches to these issues and what are specific Quality of Service solutions? This article answers these important questions, and then details much more for Network+ candidates.
The Open Systems Interconnect (OSI) Model for CompTIA Network+
By Anthony Sequeira
May 2, 2012
The OSI Model…why was it created? Was it to torture networking students? This article explores the reasons for the creation of this model. It also details this important model for you. Finally, this article describes how this critical tool can be used in actual network troubleshooting.
IPv6 Addressing for CompTIA Network+
By Anthony Sequeira
Apr 30, 2012
This article examines key topics regarding the new IPv6 addressing network engineers must master.
(Video) Exam Profile: CompTIA Security+
By Darril Gibson
Apr 23, 2012
The CompTIA Security+ certification is designed to prove competency in computer systems security, network security, access control and organizational security. Find out what you can expect to see on the exam and how you can better prepare for it.
(Video) Exam Profile - CompTIA Network+ N10-005
By Kevin Wallace
Apr 18, 2012
The CompTIA Network+ N10-005 certification is designed to prove that a candidate has competency in the networking arena. Learn what you can expect to see on the exam and about recommended resources to help you prepare for it.
Advanced IPv4 Concepts and Examples
By Sean Wilkins
Feb 29, 2012
This article includes a longer discussion of how subnetting is used to separate a larger address space into smaller pieces for more efficient assignment and routing.
Anatomy of an IPv4 Packet
By Sean Wilkins
Feb 29, 2012
This article takes a look at the IPv4 packet, the fields that are defined within it and how they are used to transport the traffic from source to destination.
Configuring an IP Addressing Scheme
By Sean Wilkins
Feb 29, 2012
This article takes a look at the practical implementation of example ranges on Cisco IOS as well as the configuration of a basic Routing Information Protocol (RIP) network showing a complete routing table between all organizational departments.
Creating a Basic IP Addressing Scheme
By Sean Wilkins
Feb 29, 2012
This article puts together an IP addressing scheme based on the requirements of an imaginary organization. The math that is required to come up with each of the networks will be covered and visually displayed to ensure that the concepts are clearer to understand.
Domain Name System Basics
By Sean Wilkins
Feb 29, 2012
This article takes a look at how the DNS system operates and is able to maintain a list of updated domain name to IP mappings while maintaining performance.
IP Subnetting Basics
By Sean Wilkins
Feb 29, 2012
This article is intended as an addressing and subnetting primer and will initially review what the Internet Protocol (IP) address is and how it is structured; it will then go over a number of the main IP concepts that are commonly referenced in subnetting documentation and guides.
Network+ Exam Cram: Addressing and Routing
By Emmett Dulaney, Michael Harwood
Feb 7, 2012
To help you prepare for the Network+ N10-005 exam, this chapter deals with the individual protocols within the protocol suite, looking at the functions of the individual protocols and their purposes.

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