Network Fundamentals 98-366 Lesson 3

Front 1

In order to connect to WLANs that are faster than 54 Gbps, you would need to utilize the _________ standard.

Back 1

WPA2

Front 2

A ________________ is when two or more wireless clients communicate directly with each other, without the need for a WAP.

Back 2

ad-hoc network

Front 3

The manager of IT asks you to connect a computer to an RJ45 jack. You should use a __________ cable to do so.

Back 3

straight through

Front 4

You are in charge of installing 200 twisted-pair cable drops. What wiring standard should you most likely use?

Back 4

568B

Front 5

What is the maximum speed supported by 802.11g?

Back 5

54 Mbps

Front 6

these cables have Teflon coating that makes them more impervious to fire.

Back 6

Plenum-Rated

Front 7

You need to connect 802.11a, 802.11b, and 802.11n wireless networks together. What wireless tool will guarantee you connectivity between these networks?

Back 7

Wireless bridge

Front 8

You are making a specialized wired connection for a server that will operate on an Ethernet network. Which two wiring colors should you use?

Back 8

Orange and green

Front 9

The IT director has asked you to connect three new super computers to the backbone of a network that runs at 1 Gbps. What type of cable will be sufficient for this task?

Back 9

Category 5e

Front 10

A twisted-pair cable was run 140 meters without any repeaters. Now, the signal cannot be picked up by the destination host. This cable is the victim of ____________.

Back 10

attenuation

Front 11

You need to connect a desktop computer to a WLAN using the strongest encryption type possible
The ____________ wireless encryption mode can be as strong as 256-bit.

Back 11

WPA2

Front 12

An interim encryption protocol used with wireless networks; replaced WEP.

Back 12

Wi-Fi Protected Access (WPA)

Front 13

You are in charge of installing 200 twisted-pair cable drops. What wiring standard should you most likely use?

Back 13

568B

Front 14

Your boss wants you to connect two of his laptops directly to each other using their network adapters. What kind of cable should you use?

Back 14

Crossover cable

Front 15

The type of cable known as ___________ cable will protect the copper wires inside the cable from EMI.

Back 15

shielded twisted pair

Front 16

A form of cross talk interference, measured at the cable end farthest from the transmitter.

Back 16

far end crosstalk

Front 17

(A type of port that includes a crossover connection.)
instead of using crossover cables to connect computers to central connecting devices such as switches, these central connecting devices are equipped with _______ ports, which take care of the cross.

Back 17

MDI-X

Front 18

A wireless encryption protocol used with WPA2.

Back 18

Advanced Encryption Standard (AES)

Front 19

An electromagnetic (EM) field that is generated by a network cable or network device, which can be manipulated to eavesdrop on conversations or to steal data.

Back 19

data emanation

Front 20

What is the most common copper-based cable used today?

Back 20

twisted pair

Front 21

A form of cross talk that is measured interference between two pairs in a single cable, measured on the cable end nearest the transmitter.

Back 21

near end crosstalk

Front 22

A method in which a wireless bridge is used to connect different 802.11 standards.

Back 22

bridge mode

Front 23

Gigabit networks. Has different versions that run at 250 MHz and 500 MHz.

Back 23

Category 6 Cable Type

Front 24

has eight wires; they are copper conductors that transmit electric signals. These eight wires are grouped into four pairs: blue, orange, green, and brown.

Back 24

Twisted Pair Cables

Front 25

Multi-mode fiber (The Medium) - Half duplex: 400 meters; full duplex: 2 km
Single-mode fiber (The Medium) - Full duplex: 10km

Back 25

100Base-FX

Front 26

100 Mbps and Gigabit networks and is usually rated at 350 MHz, but actual speed varies depending on several different networking factors.

Back 26

Category 5e Cable Type

Front 27

Your boss doesn’t know exactly how to do it, but he knows that he wants port-based authentication for his network. He is searching for a ______ implementation.
For organizations, using, authentication for wireless networks is recommended. A port-based network access control used to secure wireless connection

Back 27

802.1x

Front 28

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

Back 28

Radio Frequency Interference (RFI)

Front 29

a network composed of at least one WAP and at least one computer or handheld device that can connect to the WAP.

Back 29

Wireless LAN (WLAN)

Front 30

allow for connectivity between a desktop computer or laptop and the wireless access point.

Back 30

Wireless Network Adapters

Front 31

This means that wireless devices can have more antennas, up to four maximum.

Back 31

Multiple-Input Multiple Output (MIMO)

Front 32

128-bit encryption level
A type of wireless encryption used with WPA.

Back 32

Temporal Key Integrity Protocol (TKIP)

Front 33

A cable with an optical fiber that is meant to carry a single ray of light-one ray of light, one mode. This type of cable is normally used for longer distance runs, generally 10 km and up to 80 km

Back 33

Single-mode (SM)

Front 34

Occurs when wireless clients connect to and are authenticated by a wireless access point, which can be expanded by creating a wireless distribution system-a group of WAPs interconnected wirelessly.

Back 34

Infrastructure Mode

Front 35

What characteristic of a cable prevents crosstalk?

Back 35

twists per foot

Front 36

Two channels that do not overlap are used together in an effort to double the physical data rate.

Back 36

channel bonding