Lesson 7 - Test Flashcards

1
Q

Which of the following cables does not use copper wire to conduct the signals electronically?

A

Fiber-optic

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2
Q

Which of the following cables offers the highest resistance to EMI?

A

Fiber-optic

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3
Q

What is the speed of a CAT 6 cable?

A

1000 Mbps

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4
Q

True or false. The purpose of a UPS system is to provide long-term power when power fails.

A

False

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5
Q

Which of the following cables offers the best resistance to crosstalk?

A

Fiber-optic

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6
Q

Which of the following amplifies signals so that they can travel longer distances without suffering from signal degradation?

A

Repeater

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7
Q

_______ networks are known as Fast Ethernet networks.

A

100BASETX

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8
Q

Which of the following organizations is responsible for developing network standards?

A

IEEE

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9
Q

What types of interference can cause problems for networks? (Choose all that apply.)

A

EMI

RFI

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10
Q

True or false. STP provides protection against interference and cross talk.

A

True

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11
Q

Identify whether the given statement is true or false.

“In a token ring network, a patch cable is used to connect two MAUs.”

A

True

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12
Q

In a wireless topology, the behavior of an access point is similar to a ____.

A

Hub

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13
Q

What tool can you use to capture traffic going across a network? (Choose all that apply.)

A

Microsoft’s Network Monitor

A network sniffer

A protocol analyzer

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14
Q

A short-duration increase in AC power is a _____________.

A

power spike

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15
Q

What frequency does 802.11g use?

A

2.4 GHz

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16
Q

Which of the following cabling options is used by the 10BASET standard?

A

Twisted pair

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17
Q

Wavelength beams of 1550nm are used by the ____ Ethernet standard.

A

10GBASE-ER

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18
Q

Which of the following statements are true regarding plenum-rated cables?

Each correct answer represents a complete solution. Choose all that apply.

A

Used in an enclosed environment

Often coated with Teflon

Produce less toxic gas than normal cables in case of fire

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19
Q

Which of the following connectivity devices is used to extend a network on a purely mechanical basis?

A

Active hub

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20
Q

Select the equipment which are used to resolve the following problems with connectivity.

A
Potential Problems with Connectivity
Fire Hardzards: Plenum safe cable
Interception of Signals: Network monitor 
Power Spikes: Surge protector
Cross Talk: Shielded twisted pair cable
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21
Q

Which of the following media types transmits data in the form of light?

A

Fiber-optic cable

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22
Q

You have two desktop computers having 100Base-T Ethernet network cards. You want to connect the computers with a cable without using a hub or switch. Drag the appropriate cable from the bottom required for the connection onto the box provided on the top.

A

CAT5 Crossover

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23
Q

You are a Network Consultant for Tech Perfect Inc. You are designing a network for the company and required to accomplish the following:
•The cabling must support data transfer speeds up to 50 Mbps.
•The cost of cabling must be as low as possible.
Which of the following cables will you use?

A

CAT5e

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24
Q

Drag the maximum cable lengths supported by their networking technologies from the right onto their matching locations on the left.

A
1000BasSX: 550
100BaseFX: 2000
100BaseTX: 100
1000BaseCX: 25
1000BaseT: 100
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25
Q

Click to select the steps you’ll take to install a router on the SOHO network.

A

Connect the router and the switch through a UTP straight-through cable.

Connect the router and the cable modem through a UTP straight-through cable.

Connect the router’s console port to a PC using a rollover cable.

Connect the power cable from a power outlet to the power port on the router.

Turn on the router.

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26
Q

Which of the following media types is used for high-speed, high-capacity data transmission and is immune to electromagnetic interference?

A

Fiber-optic cable

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27
Q

You work as a Network Administrator for Perfect World Inc. You are configuring a network that will include 1000BASET network interface cards in servers and client computers. What is the maximum segment length that a 1000BASET network supports?

A

100 meters

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28
Q

Which of the following statements are true about a UTP crossover cable with RJ-45 connectors?

A

Establishes a connection between a broadband modem and a PC/router

Establishes a connection between two PCs without a hub

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29
Q

Which of the following media is immune to electromagnetic interference (EMI)?

A

100BASE-FX

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30
Q

You work as a Network Administrator for Net World International. The Sales office and head office of the company are located in different buildings. You want to connect the Sales office network to the Head office network. The company’s management is concerned about the electromagnetic interference (EMI) in the surrounding locality. Which of the following cables will you use?

A

Fiber-optic

31
Q

You have planned to use a plenum-rated cable for extending your existing LAN. For which of the following reasons is plenum-rated cable used?

A

Produces less toxic gas than a normal cable in case of fire

Outer surface is more resistant to flame than a normal cable

32
Q

You work as a Network Administrator for Tech Perfect Inc. The company has a TCP/IP-based network. Two departments, Sales and Marketing, have separate networks. All network components are centrally connected to a hub in their respective departments. Management wants to connect both the departments. Which of the following cables will you use to connect both hubs?

A

Crossover

33
Q

Which of the following connectors is used to connect a network interface card to the network using UTP cables?

A

RJ45

34
Q

Which of the following is the maximum segment length when wiring a 100BASET network with Cat 5 cable?

A

100 meters

35
Q

Each twisted pair category operates on a specific frequency. Match each frequency to its twisted pair category.

A

100Mhz: CAT, CAT 5E
600Mhz: CAT 7
250Mhz: CAT 6
500MHz: CAT6A

36
Q

You’ve installed a small network at an accounting office. All the computers have gigabit Ethernet NICs. Your router works at 1000 Mbps. Yet, when you measure the Internet speed, you see it is at a max of 100 Mbps. What should you do to fix this?

A

Replace the cable with a Category 6 cable.

37
Q

Which of the following cables can be used to wire a 100BASET Ethernet network by using unshielded twisted pair (UTP)?

A

Cat 5

38
Q

You want to connect two computers by using the 10BASET Ethernet cable. The computers are located more than 300 meters apart. Which device will you use?

A

Repeater

39
Q

You are designing a network for Perfect Wear Inc. You need to make a choice between 100BASE-FX and 100BASE-TX. What are the two prime differences between 100BASE-FX and 100BASE-TX?

A

The maximum segment length of 100BASE-FX is longer than that of 100BASE-TX.

100BASE-FX is fiber-based, whereas 100BASE-TX is copper-based.

40
Q

Which of the following types of networks uses terminators?

A

10BASE2

41
Q

You work as a Network Administrator for McRobert Inc. The company’s branch office is approximately 1.5 miles away from its main office. You want to connect the branch office to the main office network without using repeaters. Which of the following cables will you use?

A

Fiber-optic

42
Q

Which of the following standards supports a maximum transmission distance of 40km?

A

10GBASE-ER

43
Q

Which of the following is the maximum segment length of a 10BASET Ethernet network?

A

100 meters

44
Q

Which of the following is the reason to avoid fluorescent lights when running unshielded twisted pair (UTP) cable?

A

Signal degradation

45
Q

You work as a Network Administrator for Tech Perfect Inc. The company has a 100Mbps TCP/IP-based Windows Server 2003 network shown in the figure below:

A

Change the CAT5 cable to a CAT6 cable.

46
Q

Which of the following types of cable will you use to connect a switch to a router?

A

UTP straight-through

47
Q

Which of the following specifications of IEEE (Institute of Electrical and Electronic Engineers) defines the standard for fiber-optic cables?

A

802.8

48
Q

Which of the following Ethernet specifications can transmit data up to a distance of 500 meters?

A

10BASE5

49
Q

What is the maximum cable segment length supported by a 10BASET network?

A

100 meters

50
Q

Drag and drop the two primary types of fiber optic cable according to their properties.

A

Multimode: Uses a plastic core, Supports 100Mbpa for distances up to 2 km
Single Mode: Uses a glass core, Supports 10 Gbps for distances up to 40 km.

51
Q

Which of the following media types is least susceptible to electromagnetic interference (EMI)?

A

Fiber-optic

52
Q

Which of the following is described in the statement below?

“It is used to connect one Personal Computer (PC) to another without using a hub or a switch.”

A

Crossover cable

53
Q

Which of the following cables support transmission speeds of 1000Mbps?

Each correct answer represents a complete solution. Choose all that apply.

A

CAT6

CAT5e

54
Q

Which of the following types of patch cables is used in a 100BASET network?

A

CAT5 UTP

55
Q

Drag the maximum transmission speed supported by the types of Ethernet network from the right onto their matching locations on the left.

A

Ethernet: 10Mbps
Fast Ethernet: 100Mbps
Gigabit Ethernet: 1000Mbps
10Gigabit Ethernet: 10Gbps

56
Q

Arrange the following IEEE standards in descending order according to the maximum transmission distances they cover.

A

10GBASE-ER
10GBASE-LR
1000BASE-SX
10GBASE-SR

57
Q

What is the maximum transmission distance supported by 1000BASE-TX?

A

100 meters

58
Q

Which of the following statements are true about fiber-optic cables?

Each correct answer represents a complete solution. Choose three.

A

Immune to electromagnetic interference (EMI)

Transmits signals over great distances

Uses light pulses for signal transmission

59
Q

Which of the following connectors is used to connect a twisted-pair cable to a network adapter card?

A

RJ-45

60
Q

Which of the following cables will you use to create a network based on the 100BASE-TX standard?

A

Category 5 UTP

61
Q

Which of the following is the difference between STP and UTP cable?

A

STP has outer shielding - UTP does not.

62
Q

You are designing a network. The conditions require Ethernet implementation over fiber. You decide to choose 100BASE-TF cables. What will be the maximum transmission speed supported by the 100BASE-TF cable?

A

100 Mbps

63
Q

You are designing a TCP/IP-based network for Net Perfect Inc. The company’s offices are in different buildings within local premises. You decide to use 100BASETX cabling to interconnect the offices. What is the maximum length of cable that you can use per segment?

A

100 meters

64
Q

Which of the following cables will you use to configure a network based on the 100GBASE-SR standard?

A

Multi-mode fiber

65
Q

You work as a Network Administrator for Tech Perfect Inc. The company has offices at different locations in a city. You decide to use 100BASEFX full-duplex Multimode Fiber-optic cabling for interconnecting the offices. What is the maximum length of cable you can use for this network?

A

2000 meters

66
Q

You work as a Network Administrator for Net World International. You are configuring a LAN (local area network) spanning various buildings in the company’s premises. You decide to use a 1000BASE-SX network. What is the maximum length of the cable segment that can be used?

A

550 meters

67
Q

What is the maximum length of a 100BASE-TX?

A

100 meters

68
Q

While designing a network, you choose 100BASE-TX over 100BASE-FX. Which of the following are likely reasons for your decision?

Each correct answer represents a complete solution. Choose two.

A

Flexibility of cables

Ease of installation

69
Q

Which of the following statements are true about a CAT5 cable?

Each correct answer represents a complete solution. Choose all that apply.

A

Capable of transferring data at 100Mbps

Uses a 24-gauge copper wire

Has three twists per inch of each twisted pair

70
Q

What advantage does a CAT5 cable has over fiber-optic cables?

A

Immunity from EMI

71
Q

In an Ethernet peer-to-peer network, which of the following cables is used to connect two computers, using RJ-45 connectors and Category 5 UTP cable?

A

Crossover

72
Q

Which of the following are functions of a switch?

Each correct answer represents a complete solution. Choose all that apply.

A

To direct the packets to specific computers

To reduce the collisions on the Ethernet network

73
Q

You are a Network Administrator and currently planning for LAN cabling for a new area of your office building. The cable will run between the structural and drop-down ceilings. Which of the following cables will be best suited in this environment?

A

Plenum-rated