The OSI model

Posted filed under CompTIA Network+.

Follow @ASM_Educational Taking a Network+ exam? Follow us on Facebook and ask us about our study group.     The (Open Systems Interconnection) OSI has been developed by International Organization for Standardization (ISO). The OSI model provides a framework for creating and implementing networking standards and devices and describes how network applications on different computers… Read more »

802.11: Wi-Fi Standards

Posted filed under CompTIA Network+.

Follow @ASM_Educational Taking a Network+ exam? Follow us on Facebook and ask us about our study group. WiFi is not an acronym but a brand name created by a marketing firm that’s meant to serve as an interoperability seal for marketing efforts. WiFi technology however provides wireless Internet access via the use of radio waves… Read more »

COMPARE AND CONTRAST THE CHARACTERISTICS OF NETWORK TYPES

Posted filed under CompTIA Network+.

Follow @ASM_Educational Taking a Network+ exam? here are some network types you should know. What is a LAN ? A local area network (LAN) is a computer network within a small geographical area such as a home, school, computer laboratory, office building or group of buildings. A LAN is composed of inter-connected workstations and personal… Read more »

CompTIA Network+ — Domain Name System (DNS)

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Follow @ASM_Educational     (Domain Name System) The Internet’s system for converting alphabetic names into numeric IP addresses. For example, when a Web address (URL) is typed into a browser, DNS servers return the IP address of the Web server associated with that name. In this made-up example, the DNS converts the URL www.company.com into… Read more »

CompTIA Network+ — Networking Tools

Posted filed under CompTIA Network+.

Follow @ASM_Educational   From Wikipedia   A. Cable Tester- A cable tester is an electronic device used to verify the electrical connections in a cable or other wired assembly. Generally, a cable tester consists of:   1. A source of electric current 2. A volt meter 3. A switching matrix used to connect the current… Read more »