Computer Certification

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OSI Model for the CCENT Certification Exam

The CCENT certification tests you heavily on the OSI model and the different protocols and devices that run at each layer of the OSI model. The following table reviews the OSI model by giving you a description [more…]

Cisco IOS Basics for the CCENT Certification Exam

The CCENT certification exam will test you on the basics of the Cisco Internetwork Operating System (IOS) and how to configure the IOS. The following are some key points that summarize the IOS basics to [more…]

Configuring Users and Passwords for the CCENT Certification Exam

The CCENT certification exam will test you on basic configuration of the Cisco IOS, including setting passwords and creating users. The following are some key points that summarize configuring passwords [more…]

Configuring Interfaces for the CCENT Certification Exam

The CCENT certification exam requires you to know how to configure basic settings on the router, such as the hostname and the interfaces. The following commands review those configuration tasks. [more…]

Configuring Routing for the CCENT Certification Exam

Routing protocols will certainly come up on your CCENT certification exam. This section reviews popular commands that deal with routing and routing protocols, such as RIPv1 and RIPv2. [more…]

Wireless Networking Terminology for the CCENT Certification Exam

At its most basic, wireless communication is the sending and receiving of data through airwaves. But the CCENT certification exam expects you to understand wireless terminology and concepts. The following [more…]

Network Cabling for the CCENT Certification Exam

The CCENT certification tests you on the different types of cabling that are used in different scenarios. The following are some key points to remember about network cabling. [more…]

Network Devices and Services Overview for the CCENT Certification Exam

You can be sure to get a few questions on the CCENT certification exam that test your knowledge of types of devices and different network services. The following are some key points to remember about devices [more…]

Security Best Practices for the ICND1 and ICND2 Certification Exams

One of the most important skills to have as you prepare for the Cisco ICND1 (and ICND2) exam is the capability of implementing basic security practices on your Cisco devices. The following are some key [more…]

OSI Model for the Cisco ICND1 Certification Exam

Cisco's ICND1 certification exam tests you heavily on the OSI model and the different protocols and devices that run at each layer of the OSI model. The following reviews the OSI model by giving you a [more…]

Network Cabling for the Cisco ICND1 Certification Exam

The ICND1 certification exam tests you on the different types of cabling that is used in different network scenarios. The following are some key points to remember about network cabling. [more…]

ICND1 Certification Exam: Network Devices and Services

You can be sure to get a few questions on the Cisco ICND1 certification exam that tests your knowledge of types of devices and different network services. The following are some key points to remember [more…]

Cisco IOS Basics for the ICND1 and ICND2 Certification Exams

The ICND1 and ICND2 certification exams will test you on the basics of the Cisco IOS (network infrastructure software) and how to configure the IOS. The following are some key points that summarize the [more…]

Troubleshooting Commands for the ICND1 and ICND2 Certification Exams

When problems arise on a Cisco device there are a number of show commands you can use to help identify what the problem is. The following is a list of popular show commands you should know for both the [more…]

Configuring Routing for the ICND1 and ICND2 Certification Exams

When you're preparing for the CCNA routing and switching certification exam, you'll need to be familiar with popular commands that deal with static routing and routing protocols, such as RIPv1 and RIPv2 [more…]

1,001 CCNA Routing and Switching Practice Questions For Dummies Cheat Sheet

Aiming to be a Cisco Certified Network Associate (CCNA)? The CCNA routing and switching certification exam tests your practical knowledge of installing, configuring, and managing Cisco networks. You must [more…]

Basic Switch Commands to Remember for the CCENT Certification Exam

This section outlines some of the popular commands you use on a Cisco switch for the CCENT certification exam. Most of the basic router commands, such as setting passwords and banners, work on the switch [more…]

Configuring Network Services for the CCENT Certification Exam

This section reviews popular commands used when configuring a Cisco device for name resolution, DHCP services, and NAT. You'll need to know these for the CCENT Certification exam. [more…]

CCENT Certification All-In-One For Dummies Cheat Sheet

The CCENT certification is a new, fast-growing certification that tests your knowledge of basic Cisco device-management and networking concepts. It is a great stepping stone to the CCNA certification and [more…]

Implementing Remote Access and Virtual Private Networks

With the widespread use of laptop computers and telecommuting, the need for remote access and virtual private networks (VPNs) has exploded in the past several years. Remote Access Service [more…]

The Best Ways to Prepare for Your Upcoming CISSP Exam

Not only does “chance favor the prepared mind” — the CISSP exam does too! So make sure that you’ve prepared yourself well for your upcoming CISSP exam. Your task may seem a bit overwhelming, but take things [more…]

CISSP Exam Test Day Tips

The CISSP exam is demanding, but if you’ve worked your way through the Common Body of Knowledge and know your stuff when it comes to areas such as network security and disaster recovery, you should do [more…]

CISSP For Dummies Cheat Sheet

CISSP is based upon a Common Body of Knowledge (CBK) determined by the International Information Systems Security Certification Consortium, Inc. (ISC)² and defined through eight tested domains: Security [more…]

Windows Recovery Tools for the A+ Certification Exams

One of the hardest tasks to perform when troubleshooting a system is fixing a system that will not boot. The A+ Certification Exams expect you to be comfortable with the different recovery tools available [more…]

RAID Types for the A+ Certification Exams

You will need to know types of RAID for the A+ Certification Exam. RAID (Redundant Array of Inexpensive Disks) is a method of implementing redundancy (duplicated information) on your hard drives — if one [more…]

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