Chapter 5 - Installing a Physical Network

Question 1

All the cabling from individual work areas runs via ____________ to a central location.

Answer 1

Horizontal cabling

Question 2

The central location that all cabling runs to is called the _____________________.

Answer 2

Telecommunications room

Question 3

You use a(n) __________ to connect a strand of UTP to a 110 block or 66 block.

Answer 3

Punchdown tool

Question 4

A single piece of installed horizontal cabling is called a(n) ______.

Answer 4

run

Question 5

The set of standards established by the TIA/EIA regarding network cabling is called _______.

Answer 5

Structured Cabling

Question 6

A short UTP cable that uses stranded, rather than solid, cable is called a(n) ______ and can tolerate much more handling near a patch panel.

Answer 6

Patch cable

Question 7

The type of network interface unit (NIU) that enables an ISP or telephone company to determine if a home DSL box or cable router has been disconnected is called a(n) _________.

Answer 7

Smart jack

Question 8

The spot where a cable comes out of the wall at the workstation is called a(n) ________.

Answer 8

Cable Drop

Question 9

The height measurement known as U is used for devices that fit into a(n) ________.

Answer 9

Equipment rack

Question 10

The term _______ describes the process of a signal weakening as it progresses down a piece of wire.

Answer 10

Attenuation

Question 11

Which item describes the length of cable installed within walls from a telecommunications room out to a jack?

A. Cable drop

B. Cable run

C. Cable tester

D. Cable tray

Answer 11

Cable run

Question 12

What is the term used to describe where the network hardware and patch panels are kept?

A. Drop room

B. Telecommunications room

C. Routing room

D. Telecloset room

Answer 12

telecommunications room

Question 13

Aside from outright breakage, what’s the primary worry with bending a fiber-optic cable too much?

A. Attenuation

B. Bonding

C. Light leakage

D. Near-end crosstalk

Answer 13

light leakage

Question 14

When connecting a cable run onto a patch panel, which tool should you use?

A. 110-punchdown tool

B. Crimper

C. TDR

D. Tone generator

Answer 14

110-punchdown tool

Question 15

What is the structured cabling name for the end user’s office space where network computers are set up?

A. Backbone

B. Building entrance

C. Cable drop

D. Work area

Answer 15

work area

Question 16

What type of twisted-pair cabling would work best within ceilings near lighting?

A. Solid core plenum

B. Solid core PVC

C. Stranded core plenum

D. Stranded core PVC

Answer 16

solid core plenum

Question 17

Why would network techs use stranded core cabling from a patch panel’s ports to a switch?

A. Cost

B. Fire rating

C. Flexibility

D. Safety

Answer 17

flexibility

Question 18

What is the first thing a professional cable installer should do when providing an estimate at a site?

A. Power on additional lighting

B. Put on a grounding wrist strap

C. Request a floor plan

D. Set up ladders

Answer 18

request a floor plan

Question 19

What component best enables you to install more servers in the limited space of a telecommunications room?

A. Cable tray

B. Outlet box

C. Patch panel

D. Equipment rack

Answer 19

equipment rack

Question 20

How tall is a network router that is 8U?

A. 8 inches

B. 8 centimeters

C. 14 inches

D. 14 centimeters

Answer 20

14 inches (1.75x8)

Question 21

Your first day on the job, you get a call from the owner complaining that her network connection is down. A quick check of the central switch verifies that it’s in good working order, as is the boss’s PC. As luck would have it, your supervisor calls at just that time and tells you not to worry; she’ll be by in a jiffy with her TDR to help root out the problem. What is she talking about?

A. Tune domain resonator, her network tone generator

B. Time detuning resonator, her network tester

C. Time domain reflectometer, her network tester

D. Time detail resource, her network schematic

Answer 21

Time domain reflectometer, her network tester

Question 22

Jenny’s office building recently had sections renovated, and now some users are complaining that they can’t see the network. She suspects that the workers might have inadvertently broken wires when they did ceiling work. George suggests she use a toner to figure out which wires go to the complaining users. Erin disagrees, saying that Jenny should use a Fox and Hound. Who’s right?

A. Only George is right.

B. Only Erin is right.

C. Both George and Erin are right.

D. Neither George nor Erin is right.

Answer 22

Both George and Erin are right.

Question 23

What is generated by every piece of UTP cable in existence?

A. Modal distortion

B. Crosstalk

C. EMI

D. ESD

Answer 23

Crosstalk

Question 24

Which statement about structured cable is correct?

A. The term “demarc” refers to a physical location, whereas the phrase “network interface unit” refers to a piece of equipment provided by an ISP.

B. The term “demarc” refers to a piece of equipment provided by an ISP, whereas the phrase “network interface unit” refers to a piece of equipment provided by the customer.

C. The terms “demarc” and “network interface unit” refer to pieces of equipment provided by an ISP.

D. A demarc is used for fiber cabling, whereas a network interface unit is used for UTP.

Answer 24

the term “demarc” refers to a physical location, whereas the phrase “network interface unit” refers to a piece of equipment provided by an ISP.

Question 25

Bill the fiber inspector comes back after reviewing a fiber run and says there’s too much attenuation. What does he mean?

A. The signal gets weak as it travels long distances.

B. The signal spreads as it travels long distances.

C. The signal amplifies as it travels long distances.

D. He doesn’t mean anything. “Attenuation” is technobabble.

Answer 25

The signal gets weak as it travels long distances