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Tele

In: Computers and Technology

Submitted By Shxnelle
Words 701
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1. Make a sketch of how a local telephone network interfaces with a long distance telephone network.

2. Make a sketch of how a long distance telephone network interfaces with an international telephone network.

3. Explain what is meant by interoffice trunk connection.
A connection between two telephone central switching offices. The basic trunk line is called a T1 line. They provide many connections in a single cable, originally they were bundles of copper wire twisted pairs but now are often just a single fiber optic line.

4. I’ve decided to call my friend Jane who lives next door. Jane’s telephone line and my telephone line are both served out of the Oak Street CO. Draw the call path between Jane’s telephone and my telephone.

5. I now need to call my friend Ernie who lives on the other side of town and is served out of the Monroe Street CO. Draw the call path between Ernie’s telephone and my telephone.

6. I decide that I need to call my friend Jose who lives two states away. Trace the call path between my telephone set hanging off the Oak Street CO in Burlington, Vermont, and Jose’s telephone set hanging off the Clinton Street CO in Muncie, Indiana.

7. After talking with Jose, I realize I haven’t talked with my friend Karl who lives in Denmark for some time and decide to call him. Trace the call path between telephone hanging off the Oak Street CO in Burlington, Vermont, U.S.A., and Karl’s telephone hanging off the Boulevard Street CO in Copenhagen, Denmark. 8. Connections are built between switches, whether the switches are used to switch local calls or long distance calls. The circuits connection the switches are of different types of media. List the three common types of media used to connect two switches together.

9. What is a T1 circuit used for?
There is T1 which is, as we have discussed, a network that has a speed of 1.544 Mbps and was designed for voice circuits or "channels" (24 per each T1 line or "trunk"). 10. Define the term LATA.
Local access transport area (LATA)—LATAs are the geographic calling areas within which an RBOC may provide local and long-distance services. 11. Define the term intraLATA.
IntraLATA is local telephone service. InterLATA refers to a call from one LATA to another, which can be within a state or from state to state (interstate). 12. Define the term interLATA.
InterLATA is a call that is placed within one LATA (Local Access Transport Area) and received in a different LATA. These calls are carried by a long distance company. 13. List the three types of data networks described in the chapter.
Dialup network, dedicated data circuits and packet networks 14. Draw a dial-up data connection.

15. What is the difference between an ILEC and a CLEC?
CLEC is a competitive local exchange carrier that offers telephone services in local areas
ILEC is an incumbent local exchange carrier must allow CLECs to connect to their end-office switches or to their access tandem

16. What is the difference between a BLEC and a DLEC?
Data Local Exchange Carrier is a CLEC that specializes in DSL services primarily by leasing lines from local phone companies and reselling them to ISPs.
Building Local Exchange Carrier is a network service provider that partners with real estate owners and managers in order to provide broadband services within an apartment house or office building. The BLEC may provide only connectivity or full ISP services including Web hosting and ASP capabilities

17. What is the difference between a CAP and an IXC?
A CAP (competitive access provide) company that provides fiber optic links to connect urban business customers to IXCs, bypassing the LEC. Once these fiber optic links are in place in major metropolitan areas, CAPs can begin to expand their service offerings An IXC (interexchange carrier) is a long-distance company, such as AT&T or MCI that provides telephone and data services between LATAs. 18. What is the difference between an ASP and ISP?
ASP means active server pages and ISP means Internet service provider 19. What is an ICP?

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