This website uses cookies to ensure you have the best experience. Learn more

Intro To Networking Chp 7 Review

1592 words - 7 pages

Chapter 7 Review
1) A
2) A, B
3) B, D
4) B
5) D
6) B, D
7) A
8) C
9) C
10) B
11) D
12) D
13) A, C
14) C
15) C
16) B, D
17) C
18) D
19) C, D
20) A, B
Key Terms
Switched circuit-A circuit by the phone company in reaction to signaling (the user tapping telephone keys or a modem sending in the same digits), with the telco tearing down the circuit when the user is finished.
Dedicated circuit- An electric circuit created by a telco on behalf of a customer, with the circuit staying up all the time, dedicated for use by the one customer that ordered the circuit. Also known as a line, leased circuit, and point-to-point ...view middle of the document...

DS0 runs at 64 Kbps
DS1- Digital Signal Level 1. One of the physical line standards in the T-carrier system, as originally created by the companies of the Bell System in the United States. DS1 runs at 1.544 Mbps, with a 193-bit frame, 24 DS0 channels, and an 8-Kbps overhead channel.
Frame relay- A widely popular packet-switching technology and service that emerged in the marketin the 1990s, using permanent virtual circuits (PVC) between pairs of routers that can send frames to each other, and data-link connection identifiers (DLCI) to address and identify each PVC.

ATM-Asynchronous transfer mode. A series of networking standards for both LANs and WANs.
CO- Central Office- The term that refers to a telco office space where the telco keeps its equipment. Leased lines physically connect from a telco customer office building into the CO

DCE- Data communications equipment. This term has two uses in networking: 1) In packet – switched networks, the node (device) that sits in the telco network at the edge of the network, on the other side of the physical access link that connects to the customer device (the DTE). 2) A reference to a device that provides clocking on physical cabling that uses clock pin leads, such as on a leased line, in which the CSU/DSU controls the speed a router sends/receives bits by providing clocking to the router.
Demark- Short for demarcation, a legal and business term used by telcos to specify the physical dividing line in the cabling and equipment for a telco service in a customer building, where the customer is responsible for the cabling and devices to one side of the demark, and the telco is responsible for the cabling and equipment on the other side of the line.
DLCI- Data-link connection identifier – The term defined by Frame Relay, particularly the LAPF protocol, for the LAPF header field used as an address field to identify a Frame Relay virtual circuit.
DSO- Digital Signal Level 0. One of the physical line standards in the T – carrier system, as originally created by the companies of the Bell System in the United States. DS0 runs at 64 Kbps.
DSI- Digital Signal Level of the physical line standards in the T-carrier system, as originally created by the companies of the Bell system in the United States. DS1 runs at 1.544 Mbps, with a 193-bit frame, 24 DS0 channels, and an 8-Kbps overhead channel.
DS3- Digital Signal Level 3. One of the physical line standards in the T-carrier system, as originally created by the companies of the Bell System in the United States. DS3 runs at 44.736 Mbps, with 28 DS1 channels and additional overhead.
DTE- Data terminal equipment, or data circuit- terminating equipment. This term has two uses in networking: 1) In packet-switched networks, the node (device) that sits in the customer site, connected by a physical access link to a node in the telco (the DCE). 2) A reference to a device that slaves its rate of...

Other Papers Like Intro To Networking Chp 7 Review

Samenvatting Essay

2493 words - 10 pages problem is the access to information. • If they have information, the problem is the capability to process complex information. 7. Bounded reliability (imperfect effort). Agents don’t always carry through on their expressed actions. INTRO TO IB KEY WORDS AND CONCEPTS Prahalad and Hamel’s Core Competencies Core Competencies = company’s most important FSA, its vital routines and recombination capabilities. A core competency should: - Be

The Positive Impact Of Social Network In Today's Society

2170 words - 9 pages , for instance communication with relatives and family, business networking, advertising. Following this, we’ll go over the facts that cause harm to society through social networking such as sexual predators, identity theft, & health related issues. To conclude, based on different articles and general research, we’ll identify if social networking is beneficial or harmful to today’s society. Literature Review: After exploring different

Social Media And Self-Esteem

3942 words - 16 pages month, and 65% of which are daily active users. Other social networking sites such as Twitter, Instagram and LinkedIn are also a powerful means of communication. With such a large audience, social networking sites provide ample opportunities to acquire information, network, and connect with friends. Besides from the obvious benefits that social media brings to our lives, there are some other effects that it has on its users’ wellbeing. This paper

Week 5 Assignment

481 words - 2 pages Name: Date: August , 2014 ISSC340 Week 5 Assignment (3% of Grade) Lesson 5 Review: Networking Models, Traffic and Devices The purpose of this activity is to reinforce what you have learned so far about local area networks technologies. 1. Describe the three modes of communication available on a network. (Minimum word count: 60) Simplex Data travels in only one direction, similar to a public address (PA) system. Half-duplex Data

Procter And Gamble Acquiring Gillette

2183 words - 9 pages the financials also showing a better picture but still we will opt not to go with acquisition with the reason that acquiring Gillette at a cost of 54 billion in stock will be a difficult ask for P & G as it would need to go for a lot of debt which is never beneficial for any company to run its operations smoothly. Recommendations over Organizational chart References Popular Financial Ratios, Chp 17 Controlling. Geo-centric,Chp 4 Managing Business in a Global Environment. Organization Structure and Design Chp 9. Bargaining Power, Porter’s Five forces Model chp 8.

Social Networking

2034 words - 9 pages ? It is very interesting to point out that the average age of social networking users is strongly and quickly decreasing; the new generations seem to be extremely familiar with this kind of approach to the Web. According to a January 2007 survey by the Pew Internet & 7 American Life Project, 55 percent of teens (ages 12 to 17) report having created a personal profile online, and an equal number regularly use social networking sites such as



Computer Networks

783 words - 4 pages Ch. 7 Summary Edit 0 10 … * 0 Tags ------------------------------------------------- Top of Form * No tags edit Save Cancel Bottom of Form * * Notify * RSS * Backlinks * * Source * Print * Export (PDF) Review Summary 1. What are the principal components of telecommunications networks and key networking technologies? A simple network consists of two or more connected computers. Basic

“The Facebook Revolution”: Social Networking Sites And The Correlation With The January 25 Revolution

3378 words - 14 pages “The Facebook Revolution”: Social Networking Sites and the correlation with The January 25 Revolution. 1 BACKGROUND OF THE STUDY Information and communication technology increasing with the growing variety of Internet based applications. This new media is not only "library information" to facilitate the dissemination of information to a universal audience, but even more than that. This media is also a


1148 words - 5 pages * Knives Quiz Week #8: * The Food Service Industry (Chapter 1) 1. The Classical Kitchen Brigade 2. Standards of Professionalism – What it takes to work in this Industry? 3. Movie: Ratatouille * Mise En Place/Stocks and Sauces Quiz Week #9: * The Tourism Industry 1. Intro to the Eight (8) Sectors of Tourism 2. Tourism Bingo * Canadian Travel & Tourism Brochure Assignment Week #10: * Food &amp

Cja 214 Police Responsibilities

977 words - 4 pages %.Nationwide, there were 36 federal officers per 100,000 residents. Outside the District of Columbia, which had 1,662 per 100,000, State ratios ranged from 90 per 100,000 in Arizona to 7 per 100,000 in Iowa. As of 2004, about 3 in 4 federal law enforcement officers working outside the Armed Forces were employed within the Department of Homeland Security or the Department of Justice." Here in the Imperial Valley due to the proximity of the border we

Related Essays

Intro To Programing Chapter 2 Review

275 words - 2 pages Short answer 1. Determine the steps that the program must perform. 2. A language that has no syntax errors and is not meant to be executed 3. Input, Process, output 4. Programs that are easy to use for the customer or user. 5. Variable’s name and variable’s data type 6. Nothing, the variable hasn’t been assigned a value Algorithm Workbench 1. Declare real height Display “How tall are you?” Input height Display “this is how tall you

System Analysis And Design

967 words - 4 pages office sends in these change requests to the multiple listing service when the agent asks the office to do so. 7. Develop a fully developed use case description and an activity diagram for each use case Q2. Develop an activity diagram based on the following narrative which describes the selection process for appointing sessional academic staff at a university. Applicants complete an application form and provide a resume to

A Midsummers Nights Dream Essay

5595 words - 23 pages ______________________________________________ Last grade completed ____________ Expected graduation date from high school, vocational or trade school (mm/dd/yyyy) ________________ 6. Does this child have an absent parent(s)? Yes No support for the child’s absent parent(s)? Yes No If yes, have there been steps taken to obtain medical 7. Please check the child’s ethnic group(s). Certain groups may not have a CHP+ enrollment fee. This is not required but we want to

Social Networks And It Effect On Youth

1974 words - 8 pages Disadvantages of Social networking sites. Literature review Internet is first and foremost communication technology with the potential to change people social interaction. Internet adoption in homes has grown rapidly since the early 1990's. For Example by 2003 63% of American had used the internet. In 1990s, Information technology experts expected the internet to be consigned to the trash heap of history. Internet has become an essential part