Computer Maintenance Final Exam Study Guide

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26 Οκτ 2013 (πριν από 3 χρόνια και 7 μήνες)

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Computer Maintenance

Final Exam Study Guide

The following concepts will appear on your exam


1.
Computer
Components Description

Describe the function of all computer components

What interface has the fastest data transfer rate on a computer

Know the
units that the speeds of computer data is measured

What are four basic functions of computers?

What are the types of motherboard expansion slots?


2.
Computer Memory

Types of memory and how is it
measured
?

What is the function of each type of memory
?

Prov
ide

examples
.


What hardware associated with each type of memory
?

What doe
s BIOS stand for and what is it
s function.

What is a POST?


3.
Computer Repair

Basic troubleshooting

How do you divide the hard drive into smaller sections?

How can you reduce ESD?

What is the difference between AT and ATX power supplies

and interfaces?


4.
Network Equipment

What are repeaters and hubs? What OSI layer do they operate
?

Describe the parts of each.

What is the main difference between WAN and LAN networks?

Describe
Routers, switches, hubs, bridges, layer 2 switches,

servers and backbone servers.

What OSI Layer do they operate at?


5.
Network
Models

Define OSI
: Lower Layers 1
-
3

Be able to give examples of protocols at each OSI layer.

What is encryption and at which

OSI layer does it take place?

Which layer translate the physical address to the logical address

Which OSI layer are packets found at?

Which OSI layer are frames and data found at?


6.
Define OSI: Upper Layers 4
-
6

Be able to give examples of protocols at

each
upper
OSI layer.

What is data flow control? Which OSI layer controls it?

Give examples of OSI transport layer protocols

What computer protocol is used for email?




7.
Internet Protocols

Define
the word protocol
, Give examples of protoc
o
ls for each

layer

of the OSI
Model
.

What is a network collision?
What is the
I
nternet protocol used to view web
pages?

Know about DHCP, SMTP, TCP, FTP, HTTP, RIP.


8.
Review IP Addressing

What are the classes of IP addresses for IP

version
4.

What is the differenc
e between IP
version
4 and IP
version
6?

What are the classes used for?

What is DHCP? How does it work?

What is the difference between a Network address, a computer IP address, a subnet
mask and a gateway address?


9.
Converting Base Numbers

Explain and
give examples of converting between Base 10 (decimal), Base 2 (binary)
and Base 16 (Hex)


10.
The Wall Project
,
Working as a Team


Describe the process for Installing Cat 5 cable; attaching clips and receptacles, with
crimpers and punch down tools.


Desc
ribe the structure of a Cat5 cable.

Wiring Code Standard 586A and B.
RJ
-
45
Review the t
ype
s of connections and
equipment.
Working together as a team.


What were the problems and how were
issues

resolved.


Give examples of each.



Final Exam Vocabulary


RAM

CPU

Hard Drive

CD
-
Rrom

MHz

Bus

Desktop

Laptop

TB

GB

MB

Heat Sink

Power Supply

BIOS

Partition

Format

Burn

Write

Motherboard

CPU

Power Supply

Blue Ray

CD DVD

Screen display

Remote computer

Local computer

Peer to Peer

Fiber optic cable

Network Collision

Router

Hub

Switch

Modem

CPU

ROM

RAM

DRAM

DIMM

SLIPP

Floppy drive cable

RJ
-
45

RJ
-
11

ATX

AT

PCI

ISA

ESD

TCP

HTTP

SMTP

OSI Model

Application

Presentation

Sessions

Transport

Network

Data Link

Physical