Network Administrator Street Smarts: A Real World Guide to CompTIA Network+ Skills
Hit the ground running with the street-smart training you'll find in this practical book. Using a "year in the life" approach, it gives you an inside look at network administration, with key information organized around the actual day-to-day tasks, scenarios, and challenges you'll face in the field. More ...
Virtualization For Dummies Cheat Sheet
Virtualization is the process of using a program to abstract a computer's resources in order to create multiple isolated virtual servers, each virtual server which can run its own operating systems independently. Virtualization saves money, energy, and space. Get to know some important terms about virtualization, types of virtualization, and leading companies and products in virtualization. More ...
Media Access Control (MAC) Sublayer of the OSI Data Link Layer
Layer 7 of the OSI model, the Data Link layer, is concerned with the packaging of data into frames and placing those frames on the network. The Data Link layer actually consists of two sublayers, the Media Access Control layer, described here, and the Logical Link layer. 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 ...
Workgroups and Domains
A LAN can be configured as a workgroup or a domain. In a workgroup a user's login account is located on their individual computer. In a domain, a user's login account is located on the domain controller. More ...
Network Cabling For Beginners
Cabling is the foundation of your network, it is the medium that connects all your computers and servers together and is probably one of the most important and often overlooked items in business networks. More ...
Cable Broadband Internet Service
Cable broadband Internet service uses a coaxial cable and/or fiber-optic cable from the provider's office to your home or office. At your end, the coaxial cable connects to a router or modem. The router or modem connects to your network or computer through an USB cable, Ethernet cable, or wireless circuit. More ...
Network Servers
A server is a computer in a client/server network that provides services or roles on a network and provides a central location for administration of the network. 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 ...
What is Microsoft Azure?
Microsoft Azure is a set of cloud services to help organizations meet business challenges. The services include tools for managing and deploying applications. Microsoft offers PaaS, IaaS, and SaaS to help businesses manage their technology demands. More ...
Network Know-How: An Essential Guide for the Accidental Administrator
This book is a straight to the point description of networks, what they do, how they operate, and how to manage them. The book is largely free of jargon and arcane, obscure terminology. The author does a good job of laying out the essentials in an easy to understand format. 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 ...
Servers - Racks, Blades and Towers
Unlike tower servers, offices that use rack servers which traditionally come in 1U, 2U, 3U, 4U or 6U are installed in racks. The numbers that give names to the rack mounted servers precisely indicate the number of Us they occupy in the racks. More ...
