50%(2)1 out of 2 people found this document helpful
This preview shows page 34 - 37 out of 59 pages.
OLTPCorrectDatabaseCorrectOLAPCorrectSchemaCorrectTupleCorrectBACK TO FASTSTART TAB
UNIT 5 STUDY GUIDEWithin 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.comTechnologyDescriptionHow is this utilized TelecommunicationTypeWhat Technology UsesPros/ConsCategory 5 Cable (Cat5)Max length 100 metersFiber OpticsRadio FrequencyCoax CableMax distance 500 mDeviceDescriptionWhat Business Need does it meetHow to Login to Lynda.com:1. Visit Lynda.com2. Click “Sign In” on the Lynda homepage3. On the sign in page you will see a link labeled “Sign in with your organization portal”, click this link4. Type wgu.edu into the box provided and this will direct you to the WGU Secure Sign-in page5. Login using your WGU username and password. 6. This will then allow you to access the videos below.1. TelecommunicationsTelecommunication 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 expediencyPublic 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 telecommunicationVoice 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 Internet2. 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 specificationAn 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 GHzCoaxial 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.