Baldeo Persaud NT1310 Unit 7 Exercise 1: Fiber Optics- Definitions 1. Crosstalk – The coupling or transfer of unwanted signals from one pair within a cable to another pair. Crosstalk can be measured at the same (near) end or far end with respect to the signal source. Crosstalk is considered noise or interference and is expressed in decibels. 2. Waveguides – A structure that guides electromagnetic waves along their length. The core fiber in an optical-fiber cable is an optical waveguide. 3. FTTH
Premium Optical fiber Refractive index Total internal reflection
NT1310 Unit 7 Exercise 1 1. Crosstalk: A disturbance caused by electromagnetic interference‚ along a circuit or a cable pair. A telecommunication signal disrupts a signal in an adjacent circuit and can cause the signals to become confused and cross over each other 2. Waveguides: A circular‚ elliptical or rectangular metal tube or pipe through which electromagnetic waves are propagated in microwave and RF communications. The wave passing through the medium is forced to follow the path determined
Free Light Refraction Snell's law
1. Triple DES Triple DES was designed to replace the original Data Encryption Standard (DES) algorithm‚ which hackers eventually learned to defeat with relative ease. At one time‚ Triple DES was the recommended standard and the most widely used symmetric algorithm in the industry. Triple DES uses three individual keys with 56 bits each. The total key length adds up to 168 bits‚ but experts would argue that 112-bits in key strength is more like it. Despite slowly being phased out‚ Triple DES still
Premium Cryptography Encryption Pretty Good Privacy
neighbor nodes forward the Route Request (RREQ) to the destination node. Destination node stores the neighbor RREQ in a table and checks the RREQ. If RREQ is from the true Source node address‚ then the system is regular and begins to transmit test data packets otherwise repeat the process. Next‚ it will check the packet delivery ratio if packet delivery ratio drops to threshold then Send Bait RREQ. The source node randomly chooses one-hop neighbor node (nr) as a destination node. The Source node
Premium Computer security Internet Internet Protocol
direction Half-Duplex- the transmission of data in just one direction at a time Full-Duplex- Refers to the transmission of data in two directions simultaneously Photo-diode- A light-activated semiconductor device that allows current to flow in only one direction. Amplitude Modulation- modulation of the amplitude of a radio carrier wave in accordance with the strength of the audio or other signal Analog Transmission- a transmission method of conveying voice‚ data‚ image‚ signal or video information using
Premium Refraction Optical fiber Total internal reflection
Unit 7 Chapter Exersises NT 1430 Tyrel Cain (19103625) Tyrel Cain NT1430 4/30/2015 Unit 7 Chapter Exercises Chapter 22 1. What are three reasons to use NFS? a. NFS reduces storage needs. b. NFS simplifies system administration. c. NFS makes backing up data simpler. d. NFS improves data consistency and reliability. 2. Which command would you give to mount on the local system the /home? Directory hierarchy that resides on the file server named plum? Assume the mounted directory hierarchy will
Free File system Network address translation The Mount
Unit 1 Exercises Chapter 1 1. What is free software? List three characteristics of free software. Free software is a no charge/ non price software. Free software is software that users have the freedom to distribute and change. The 3 characteristics of free software is that you’re able to download it many times & install it on several computers without paying out of pocket each time you download it. The 2nd characteristic is you can also share the free software with others. And the 3rd characteristic
Premium Unix Operating system
1310 Unit 1 Exercise 1 Guido Libreros 0 Unit 1. Exercise 1. Local Exchange Course Objectives and Learning Outcomes In this Exercise‚ you will explain how data travels long distances in a real world example. Assignment Requirements Online gaming is big business these days‚ with thousands of people connected to each other every minute. Games like Call of Duty and World of Warcraft connect massive numbers of players‚ sending both data and voice communications back and forth in real-time. In a 1-2 page
Premium Video game console Optical fiber
Unit 1 Exercise 1. Local Exchange Unit 1 Exercise 1. Local Exchange NT1310 The purpose of a Network is to share data. To make this possible‚ you have to be able to connect to other computers. To make this enticing to people to want to take advantage of this technology‚ it has to be simple not so complex. This sounds a little difficult to understand as far as a qualified answer‚ but to sum things up that is it. The question to ask and that many people don’t consider is how data is transferred from
Premium Computer software Computer network Computer
Increase Your Data Center Energy Efficiency • Increase Your Data Center Energy Efficiency • Increase Your Data Center Energy Efficiency • Increase Your Data Center Energy Efficiency • Increase Key Best Practices Optimize the Central Plant Quick Start Guide to Increase Data Center Energy How To Start A Problem That You Can Fix Data Center energy efficiency is derived from addressing BOTH your hardware equipment AND your infrastructure. Commit to Improved Design and Operations
Premium Data center