Monthly Review Quiz 1 (Week 5)

Question 1

Most businessess today primarily use Unshielded Twisted Pair (UTP) cabling for their networking requirements. What are TWO advantages of using UTP cabling? *

Answer 1

• Inexpensive

* Simple to install

Question 2

Wireless networks are still evolving and are under constant development and updating to improve service and speed. What is the biggest concern when deploying wireless networks? Choose the most logical answer. *

Answer 2

Subject to security concerns and unauthorized use

Question 3

CAT6A requirements are addressed in standards from multiple organizations. regardless of the standard, all CAT6A cabling will provide 10 Gb/s data rates, oprate at a maximum frequency of 500 MHz, and have a maximum distance of ______________? *

Answer 3

100 meters

Question 4

Labelling a bunch of UTP cabling with a permanent marker using the same identification at both ends eliminates the need to trace the cables after they have been installed and terminated. *

Answer 4

True

Question 5

To ensure workplace safety you should always______________? *

Answer 5

• Survey the work area before hand
• Locate fire extinguishers
• Use fire-rated cabling in Plenum ceilings

Question 6

When working with ladders in the lab or on the job you should ________________________________. *

Answer 6

Never leave tools on top of the ladder.

Question 7

This single action spring activated punch down tool is used to terminate cabling onto Canadian cross-connect systems. *

Answer 7

Bix punch down tool

Question 8

How much untwisting is allowable before you lose performance in CAT5e or CAT6a cable? *

Answer 8

At the connectors the twist of each pair must be maintained to within 1/2”

Question 9

The UTP 4 pair CAT5e stranded pair data cabling used in the lab comes with a rip cord inside? *

Answer 9

False

Question 10

What is reduced by the different twist rates in the separate pairs of a CAT6 UTP cable? *

Answer 10

Crosstalk

Question 11

What is impedance? *

Answer 11

Resistance

Question 12

When working with 4 pair UTP cabling where do most “Shorts” and “Opens” occur? *

Answer 12

at the connections

Question 13

Analog systems transmit data as a continually varying signal whereas digital systems transmit data as a _________________? *

Answer 13

Stream of ones and zeros.

Question 14

The VDV cable tester that you have used in the lab is capable of showing you which of the following? Choose all that apply. *

Answer 14

• Volts
• Wire Map
• Opens
• Split

Question 15

____________________ is unwanted electrical, electromagnetic, or radio frequency energy that can degrade and distort the quality of signals and communications of all types. *

Answer 15

Noise

Question 16

Wireless transmission works by sending high frequency electromagnetic waves into free space. *

Answer 16

True

Question 17

The word “BASE” in Ethernet physical layer standards implies that broadband digital transmission is being used? *

Answer 17

The answer is False The word “BASE” in Ethernet physical layer implies baseband digital transmission. Broadband describes a type of data transmission in which a single medium (Fiber or copper) can carry several channels at once.

Question 18

How fast data flows on a given transmission path or the range of frequencies that a signal occupies on a given medium is referred to as _____________________? *

Answer 18

Bandwidth

Question 19

In the United States the “Network Interface” or NI is the physical and electrical boundary between the inside wiring and the Telecommunications network. In Canada the NI is often referred to as the? *

Answer 19

Demarcation Point

Question 20

A CAT6 UTP cable has four twisted pairs inside the cable jacket. In a 10/100 Base-T network two of these pairs are used to simultaneously transmit signals in opposite directions creating a ______________________. *

Answer 20

Full Duplex Link

Question 21

An electrical signal consists of electrical patterns that are transmitted from one connected device to another. These patterns represent digital bits and move down the media as a series of ________________? *

Answer 21

Voltages

Question 22

After pulling UTP cabling thru the ceiling it must be supported because it isn’t safe to leave it lying on the ceiling tiles. What is the most effective way to support the cabling above the ceiling?

Answer 22

J-hooks Bridal Rings or cable Baskets

Question 23

What is the most common wireless data signal? *

Answer 23

802.11

Question 24

Termination of telecommunications cables (Voice and Data) requires testing and documentation at the time of installation? *

Answer 24

True

Question 25

Which tool is used to terminate a 4 pair Category 6 UTP cable onto a “Wirewerks” data insert?

Answer 25

110 punch down tool

Question 26

Pin number 3 on an 8P8C modular connector wired with the T568B standard would be which color? *

Answer 26

White/Green