OLTP Correct Database Correct OLAP Correct Schema Correct Tuple Correct BACK TO

Oltp correct database correct olap correct schema

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UNIT 5 STUDY GUIDE Within the guide you will find links for various videos. Some videos are hosted on Lynda.com. The instructions below will aid you in accessing Lynda.com Technology Description How is this utilized Telecommunication Type What Technology Uses Pros/Cons Category 5 Cable (Cat5) Max length 100 meters Fiber Optics Radio Frequency Coax Cable Max distance 500 m Device Description What Business Need does it meet How to Login to Lynda.com: 1. Visit Lynda.com 2. Click “Sign In” on the Lynda homepage 3. On the sign in page you will see a link labeled “Sign in with your organization portal”, click this link 4. Type wgu.edu into the box provided and this will direct you to the WGU Secure Sign-in page 5. Login using your WGU username and password. 6. This will then allow you to access the videos below. 1. Telecommunications Telecommunication is the transmission of information by various types of technologies over wire, radio, optical or other electromagnetic systems. It has its origin in the desire of humans for communication over a distance greater than that feasible with the human voice, but with a similar scale of expediency Public Switched Telephone Network (PSTN) The public switched telephone network is the aggregate of the world's circuit-switched telephone networks that are operated by national, regional, or local telephony operators, providing infrastructure and services for public telecommunication Voice over Internet Protocol (VoIP) Voice over Internet Protocol, also called IP telephony, is a method and group of technologies for the delivery of voice communications and multimedia sessions over Internet Protocol networks, such as the Internet 2. Communication Mediums (i.e., Methods of sending computer signals) Category 5 cable is a twisted pair cable for computer networks. Since 2001, the variant commonly in use is the Category 5e specification An optical fiber is a flexible, transparent fiber made by drawing glass or plastic to a diameter slightly thicker than that of a human hair. Radio frequency is the oscillation rate of an alternating electric current or voltage or of a magnetic, electric or electromagnetic field or mechanical system in the frequency range from around 20 kHz to around 300 GHz Coaxial cable, or coax is a type of electrical cable consisting of an inner conductor surrounded by a concentric conducting shield, with the two separated by a dielectric; many coaxial cables also have a protective outer sheath or jacket. 3. Describe the following network devices.
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Bridge Multiplexer Repeater Concept Description Examples Protocol Wired networking (ethernet)
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