Networking Basics and Certification
CompTIA Network+ Certification Exam Objectives
CompTIA provides several different areas of certification. Network+ certification specifies
the skills and knowledge that a computer networking technician must have. It verifies that
you have the knowledge to competently perform the computer networking technician job. More ...
Degree verses Computer Certifications
MCSE, CCNA or CCNP, Linux, Netware and Unix, these are all good certifications to have, but in today's job market, certifications are the basic minimum required by employers. Most positions require a degree. More ...
Cellular WAN (Wide Area Network) or Mobile Broadband
Mobile Broadband allows you to get Internet access from anywhere within the range of
cell tower. The data speeds of cellular modems has advanced rapidly over the years.
Today's 4G (fourth generation) cellular mobile communications can provide data rates up to 100 Mbps. More ...
Cloud Service Models
Before an organization migrates any piece of their business to the cloud, they need to understand who is in control of those resources. There are a variety of cloud service models that offer the cloud consumer a number of different options. More ...
Wireless Networking Your PC
Here in one place is everything you need to know about wireless networking your PC. More ...
Satellite Broadband Internet Service
Satellite broadband internet service transmits and receives signals between a ground
dish antenna and a geosynchronous satellite. A geosynchronous satellite orbits the
Earth with a period equal to the Earth's rotational period and therefor appears
motionless, at a fixed position in the sky. More ...
Computer Number Systems Made Simple
Humans use a decimal based number system. The decimal numbering system uses the ten characters 0,1,2,3,4,5,6,7,8,
and 9 to represent numbers. The binary system used by computers has only two characters; 0 and 1. More ...
Fiber Broadband Internet Service
Fiber broadband is the optical fiber, which replaces all or part of the usual metal local
loops used for the final leg of delivering connectivity in telecommunications. With optical
fiber technology it is likely that speeds that are considered to be broadband could
change in coming times. More ...
What is DNS?
Have you ever wondered what happens when you enter, or click on, a web address in your
browser? How does your computer connect to the Web site you requested? Part of what makes
that happen is the Internet's Domain Name Service (DNS). More ...
Network+ Certification Exam Tutorial - How And When To Use Virtual LANs (VLANs)
From your Network+ exam studies, you know that switches forward broadcasts, and
that sounds great, but that's not always a good thing. A switch can have anywhere
from 12 ports to 80 or more, and by default all hosts connected to that switch are
going to be in the same broadcast domain. More ...
Wireshark and Ethereal Network Protocol Analyzer Toolkit
This book provides complete information and step-by-step Instructions for analyzing protocols
and network traffic on Windows, Unix or Mac OS X networks. First, readers will learn about the
types of sniffers available today and see the benefits of using Ethereal. More ...
Introduction To IP Addressing and Networking
In this article you learn the various aspects of computer networking, IP routing and IP
switching and how to manage a network from an office network to larger networks. Areas
covered include IP addressing, and Network Address Translation. More ...
Basics of Bluetooth Technology
Bluetooth is a wireless technology for short range communication. Bluetooth provides functionality to detect nearby Bluetooth devices, and in order to mitigate interference, implements frequency hopping. More ...