Communications Services
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OUTLINE
I. Digital
Transmission Services
A. T1/T3
Digital Transmission Services
B. T1/T3 Equipment
C. SONET
.....OBJECTIVES OF
THIS SECTION
In this
section you will learn:
. Describe T1 and T3 services.
. Describe the benefit of fractional T1.
. Understand the role of time division multiplexing in T
carrier services
. Describe SONET
II. Packet
Switched Services
A. What Is
Packet Switching
B. Frame Relay's Evolution From X.25
C. Frame Relay vs. X.25
D. How Frame Relay Works
E. Frame Relay Pricing
F. Frame Relay Service Advantages
G. Fast Packet Switching
.....OBJECTIVES OF
THIS SECTION
In this
section you will be able to:
. Describe the differences between X.25 and Frame Relay.
. Describe the role of the PAD and FRAD.
. Compare the advantages and disadvantages of X.25 and Frame
Relay.
. Describe the evolution of X.25 and Frame Relay.
. Determine which packet switching network is right for your
network.
. Understand the pricing considerations related to X.25 and
Frame Relay.
III. Cell
Switched Services
A. ATM
B. SMDS
.....OBJECTIVES OF
THIS SECTION
At the
conclusion of this section you will:
. Describe ATM
. Compare speeds of ATM and SMDS.
. List the advantages and disadvantages of SMDS.
. Determine suitable applications for ATM and SMDS.
. Describe how ATM and SMDS works.
. Describe the migration issues limiting ATMs widespread use.
. Compare connection oriented switching and connectionless
switching.
IV. Digital
Bandwidth On Demand
A. Switched 56
B. ISDN Introduction
C. Determining Your ISDN Needs
D. LAN Uses Of ISDN
E. ISDN Decision Making
F. ISDN and the Internet
G. Digital Subscriber Lines
.....OBJECTIVES OF
THIS SECTION
At the
completion of this section you will be able to::
. Describe switched 56 service.
. Describe situations best suited for switched 56 service.
. Describe ISDN service.
. Understand how IOCs make ordering ISDN lines easy.
. Compare BRI and PRI service options.
. List ISDN advantages.
. List the key components which are necessary for ISDN
installation.
. Describe ISDNs role in LAN interconnectivity.
. Determine if ISDN is right for your organization.
. Understand the key role ISDN plays in the Internet.
. Describe Digital Subscriber Line technologies including
ASDL, HDSL and ISDN DSL.
V. Wireless
Communications
A.
Introduction
B. Satellite Networks
C. Cellular Phones
D. Cellular Packet Data
E. Trunked Mobile Radio
F. Wireless LANs
.....OBJECTIVES OF
THIS SECTION
At the
completion of this section, you will be able to:
. Define the term protocol.
. Describe error correction techniques.
. Describe four common methods of error detection: character
parity, block parity, checksum and cyclic redundancy check
(CRC).
. Understand the purpose of the parity bit.
. Describe bid, polling and selection.
. Compare popular PC protocols.
VI. The
Internet
A. What
is the Internet
B. History Of The Internet
C. Getting Connected
D. E-Mail
E. Usenet
F. IRC and MUDs
G. FTP and Anonymous FTP
H. Archie
I. Telnet
J. Gopher
K. Veronica
L. WAIS
M. WWW
.....OBJECTIVES OF
THIS SECTION
At the
completion of this section, you will be able to:
. Describe the information super highway.
. Understand the history of the Internet.
. Understand how to get connected.
. Select the right level of Internet service for the home
user, power user and large company who needs continuous
access.
. Understand how email works.
. Describe the purpose of a domain.
. Understand the various services, sites and search tools
available on the Internet, including USENET, Newsgroups, IRC,
MUD, ARCHIE, TELNET, GOPHER, VERONICA, FTP and anonymous FTP,
WAIS and others.
. Understand how the World Wide Web works.
. Describe the purpose of a web browser.
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