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Lesson 3: Understanding Wired and Wireless Networks
test cards for lesson 3
20
Computer Networking
12th Grade
10/13/2015

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Cards

Term

1. What is the most common cable used today?

a) UTP

b) STP

c) Coaxial

 d) Fiber

Definition
a) UTP
Term

2. If you are making a crossover cable and one end is 568A, what should the other end be?

a) 568A

b) 568B

c) 568C

 

d) BOGB

Definition
b) 568B
Term

3. If you want to connect a computer directly to another computer without using a switch, you use a __________.

a) straight-through cable

b) crossover cable

c) laplink cable

 

d) rollover cable

Definition
b) crossover cable
Term

4. You need to connect a twisted-pair cable to the back of a patch panel. What tool should you use?

a) punch-down tool

b) zip tool

c) wire wedge

 

d) soldering iron

Definition
a) punch-down tool
Term

5. What is the minimum category of twisted-pair cable you need to support 100 Mbps?

a) Category 3

b) Category 5

c) Category 5e

 

d) Category 6

Definition
b) Category 5
Term

6. When you pick up your wireless phone, your computer drops network connectivity. What could be the cause of the problem?

a) EMI

b) RFI

c) network adapter failure

d) cable failure

 

 

Definition
b) RFI
Term

7. You are setting up a network within a warehouse using Category 6 UTP. However, parts of the network are down because of the heavy machinery used. What cable type should you use?

a) STP

b) coaxial

c) fiber

 

d) plenum-rated

Definition
c) fiber
Term

8. What do you call it when electrical signals jump to another set of wires?

a) EMI

b) RFI

c) crosstalk

 

d) jumpitis

Definition
c) crosstalk
Term

9. What type of cable should be used as part of a fire code for a building?

a) STP

b) PVC

c) heat protected

 

d) plenum-rated

Definition
d) plenum-rated
Term

10. Which of the following is not a fiber connector?

a) FC

b) LC

c) RJ-45

 

d) MT-RJ

Definition
c) RJ-45
Term

11. Which of the following is a characteristic of single-mode fiber?

a) Single-mode fiber supports longer distances than multimode fiber.

b) Single-mode fiber has increased bandwidth than multimode fiber.

c) Single-mode supports only a ring topology.

 

d) Single mode allows multiplexing of electrical and light signals.

Definition
a) Single-mode fiber supports longer distances than multimode fiber.
Term

12. What is the maximum speed supported by 802.11b?

a) 1 Mbps

b) 10 Mbps

c) 11 Mbps

 

d) 54 Mbps

Definition
c) 11 Mbps
Term

13. What is the maximum speed supported by 802.11g?

a) 1 Mbps

b) 10 Mbps

c) 11 Mbps

 

d) 54 Mbps

Definition
d) 54 Mbps
Term

14. What of the following is not a characteristic of 802.11n?

a) frame aggregation

b) channel bonding

c) RFI protection

 

d) MIMO

Definition
c) RFI protection
Term

15. Which is the most secure encryption used in wireless networks?

a) WEP

b) WPA

c) WPA2

 

d) 802.1x

Definition
c) WPA2
Term

16. What is used to identify a wireless network?

a) network ID

b) frequency identifier

c) wireless password

 

d) SSID

Definition

d) SSID

Term

17. To test a cable, you would use a _____________.

 

 

Definition

continuity tester

Term

18. For organizations, using ___________ authentication for wireless networks is recommended.

 

 

Definition

802.1X

Term

19. When a signal degrades as it runs through a wire, you have ________.

Definition

: attenuation

Term

20. What mode users a wireless access point?

 

 

Definition
infrastructure mode
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