Chapter 5 Revision Test
1. What type of interference occurs outside of the media
Pair to Pair coupling
Cross talk
EMI
Reflection
2. Which network cable has the following features: 4 twisted pairs, overall shield
Shielded Twisted Pair
Screened Twisted Pair
Unshielded Twisted Pair
Coaxial
3. Which cables does not have a throughput of 100Mbps
Shielded Twisted Pair
Screened Twisted Pair
Unshielded Twisted Pair
Fibre Optic
4. Which is the least expensive network cable
Shielded Twisted Pair
Fibre Optic
5. How far can Coaxial cable carry binary data before the use of a Repeater
500
300
150
100
6. If fibre optic cable is buried underground what protection will it require from sharp stones
Plastic Shield and Cladding
Kevlar Reinforcing material
Outer Jacket
Stainless Steel Jacket
7. WLANs typically use the following wave frequencies
902MHz (Radio waves)
2.4GHz (microwaves)
82000 THz (Infrared waves)
All of the above
8. The IEEE standard for Ethernet is
802.11
802.3
802.5
568A
9. Underwriters Laboratories is responsible for
Outlined Cabling Requirements
Cabling Specification and wiring colours
Planning and installation of LAN networks
Health and Safety issues with computers
10. Which type of cable is generally used to modern day networks working at a throughput of 100Mbps
Cat 1
Cat 2
Cat 3
Cat 4
Cat 5
11. Patch cords in a network installation can not exceed more than
100m
90m
6m
3m
12. Cross connect cables in a network installation can not exceed more than
100m
90m
6m
3m
13. Horizontal Cabling in a network installation can not exceed more than
100m
90m
6m
3m
14. What layer 1 device converts one form of network signal into another form
Patch Panel
RJ45 Jack
Transceiver
Repeater
15. What layer 1 device provides connectivity and conducting paths
Patch Panel
RJ45 Jack
Transceiver
Repeater
16. What layer 1 devices that serve as the center of a star topology network
Patch Panel
RJ45 Jack
Repeater
Hub
17. Which network is an indirectly connected network
Circuit switched
Shared media environment
Extended shared media environment
Point to point network environment
18. Collision domains consist of
Layer 1 devices
Layer 1 and 2 devices
Layer 1,2 and 3 devices
Layer 1 to 7 devices
19. If a repeater is attached to a network it will
Increase the collision domain
Decrease the collision domain
Increase the number of collision domains
Decrease the number of collision domains
20. Which device does not extend collision domains
Bridge
Switch
Router
All of the above
21. Which network consists of two concentric rings, each of which is linked only to its adjacent ring neighbour
Bus
Ring
Dual Ring
Star
Extended Star
Tree
22. Which network consists of a trunk node from which it branches to other nodes.
Bus
Ring
Dual Ring
Star
Extended Star
Tree
23. Which network consists has a central node with all links to other nodes radiating from it and allows no other links
Bus
Ring
Dual Ring
Star
Extended Star
Tree
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