Deck 3 Flashcards

1
Q

What is the maximum speed supported by 802.11b?

A

11 Mbps

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2
Q

One reason to incorporate VLANs in a network is to:

A

Reduce the number of nodes in a broadcast domain.

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3
Q

What is the minimum cabling requirement for a 100BaseTx network?

A

Category 5 UTP cable

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4
Q

A router’s static route is set by the:

A

Network administrator.

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5
Q

What type of record does DNS use to find a mail service?

A

Mail Exchanger (MX) DNS record

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6
Q

How many bits are there in an Internet Protocol version 6 (IPv6) address?

A

128

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7
Q

In which OSI layer does routing occur?

A

Network

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8
Q

The query protocol used to locate resources on a network is:

A

Lightweight Directory Access Protocol (LDAP).

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9
Q

What is the most common cable used today?

A

UTP

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10
Q

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

A

568B

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11
Q

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

A

crossover cable

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12
Q

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

A

punch-down tool

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13
Q

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

A

Category 5

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14
Q

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

A

RFI

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15
Q

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

fiber

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16
Q

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

A

crosstalk

17
Q

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

A

plenum-rated

18
Q

Which of the following is not a fiber connector?

A

RJ-45

19
Q

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

A

Single-mode fiber supports longer distances than multimode fiber.

20
Q

Which protocol can be used to encrypt packets on the Internet?

A

HTTPS