Chapter 5 Revision Sheet

 

Question 1

 

Name the companies involved in the creating and implementing the first Ethernet LAN specifications

 

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Learn the standards and history of them

 

Question 2

 

Company A needs to decide whether copper or fibre cable will be used in a new installation.  What are some of the advantages and disadvantage comparisons that need to be made?  (Choose 3)

 

a)      Cost

b)      Cable length

c)      Application type

d)      Information flow

e)      Number of drops

f)        Ease of installation

 

Learn why one media would be favoured over another, learn the deciding factors in new network installations, what do we look at?

 

Question 3

 

Which layer of the OSI model does a router operate at?

 

a)      1

b)      5

c)      3

d)      4

e)      2

f)        6

g)      7

 

Learn your layers, learn which devices operate at what levels of the model and what each layer primarily deals with!

 


Question 4

 

List the situations in which we would use a crossover cable to connect two devices

 

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Question 5

 

List the situations in which we would use a rollover cable to connect two devices

 

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Learn your cables and what they are used to connect!

 

Question 6

 

What does a bridge base forwarding decision upon?

 

a)      Layer 2 network addresses

b)      Layer 2 physical addresses

c)      Layer 3 network addresses

d)      Layer 3 physical addresses

e)      MAC Addresses

f)        IP addresses

 

Learn your network devices, how do they forward data if at all?  Which layers of the OSI model do they operate?

 

Question 7

 

What two basic functions does a switch perform and what are the benefits of installing a switch in place of hubs and repeaters?

 

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Learn the functions of a switch; learn the differences between hubs, routers, switches, bridges and repeaters!

 

Question 8

 

On which ISDN channel is the PPP protocol used?

 

a)      D

b)      B

c)      A

d)      C

e)      E

 

Learn how ISDN functions and what protocols are used by which channels!

 

Question 9

 

How many Delta channels are found on an ISDN BRI connection?

 

a)      2

b)      4

c)      3

d)      1

e)      5

 

Learn about BRI Channels on ISDN connections, what are they, how many of each, what they do etc…?

 

Question 10

 

Which of the following are benefits of a hard-wired network over a wireless network? (Choose 3)

 

a)      Better security

b)      Mobility

c)      Higher data speeds

d)      More reliable connection

e)      No need to run cables to hosts

 

Learn the pros and cons of both wireless and wired networks and how they compare!

 

Question 11

 

Provide two names given to a hub and three hub types

 

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Learn your devices!


Question 12

 

 

Name the above three network environments and briefly describe how they operate, also discuss the main differences between them and their relative advantages/disadvantages…

 

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Question 13

 

 

Using the diagram above, suggest what specification cable (Type, Speed etc…) we would use to connect each device to the device next to it, show this on the diagram.  Also specify whether we would use Straight through, rollover or crossover connections on each cable.

 

Learn your cables, what6 we use to connect what, what speed we would use etc…!

 

Question 14

 

What is the four-repeater rule of 10 Mbps Ethernet and why do we have it?

 

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Question 15

 

Which of the following ports would be used to initially configure a Cisco router?

 

a)      BRI port

b)      Aux port

c)      Console port

d)      Ethernet port

e)      Shipping port

 

Learn your router ports, what purpose they serve and in which situations they would be used!

 


Question 16

 

What type of network cable is used between a terminal and a console port?

 

a)      Crossover

b)      Straight-through

c)      Rollover

d)      Patch cable

 

Learn your cables for routers, also learn which connectors are used and when!

 

Question 17

 

Identify the devices below, then state which layer of the OSI model they would operate at and why

 

 

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Good luck with the exam!!!