Deck 4: Network Media

Question 1

Which type of interference is caused by wires in the same cabling bundle?

A) RFI
B) crosstalk
C) attenuation
D) eavesdropping

Answer 1

B

Question 2

Which tool measures cable length by transmitting a signal on one end and measuring the time it takes for the reflection to reach the end of the cable?

A) TDR
B) Multimeter
C) OPM
D) Tone generator

Answer 2

A

Question 3

A signal has just been received from the WAN link on your network.Using the given components,which of the following shows the path that the signal would take from the WAN to a workstation on your network? Assume all components are used at least once and that some components may be used more than once. 1-backbone cabling
2-entrance facility
3-MDF
4-horizontal wiring
5-IDF
6-work area

A) 2,1,3,4,5,4,6
B) 2,1,3,1,5,4,6
C) 6,1,3,4,5,4,6
D) 2,1,5,1,3,4,6

Answer 3

B

Question 4

Because fiber-optic cabling uses light pulses instead of electrical signals,it is immune to interference and highly resistant to eavesdropping.

Question 5

What is the term used that defines network cabling between the IDF and MDF?

A) structured cabling
B) backbone cabling
C) horizontal cabling
D) work area cabling

Question 6

What are all of the connections in a network considered,including the cables and their connectors?

A) telecommunications closet
B) horizontal wiring
C) work area
D) cable plant

Question 7

Which of the following connections might require a crossover cable?

A) router to switch
B) switch to computer
C) switch to switch
D) hub to computer

Question 8

Wireless and wired networks are both susceptible to RFI.

Question 9

What is the maximum bandwidth for a network cabled using category 5e UTP cable?

A) 10 Mbps
B) 16 Mbps
C) 100 Mbps
D) 1000 Mbps

Question 10

In an MDI device,which two pins does the device use to transmit?

A) 1 and 2
B) 3 and 4
C) 4 and 6
D) 3 and 6

Question 11

The length of cable between the wall jack and a patch panel is called vertical cabling.

Question 12

Each cable type can transport data at a particular speed only so far before its signals begin to weaken past the point that a receiving station can read them accurately What is the term for this phenomenon?

A) electromagnetic interference
B) crosstalk
C) attenuation
D) radio frequency interference

Question 13

Which of the following is NOT one of the main differences between the types of network cabling?

A) the distance that a signal can travel
B) the ability to send and receive signals
C) the type of signal that the media can transmit
D) the speed at which the signal can be sent

Question 14

The entrance facility is the place where the connection to a WAN is located.It is the point where the LAN equipment ends and a third-party provider's equipment and cabling begins.What is another name for this point?

A) departure point
B) entrance point
C) demarcation point
D) main distribution point

Question 15

Compared to SMF,MMF cable costs more and generally works with laser-based emitters but spans the longest distances and is used in higher-bandwidth applications.

Question 16

There are two basic categories of physical cabling used in Ethernet networks.They are copper wire and fiber optic.

Question 17

Which type of wireless technology bounces transmissions off walls and ceilings to deliver signals from sender to receiver and is often used with TV remotes?

A) scatter infrared
B) laser
C) narrowband radio
D) microwave

Question 18

Which of the following is a length of cable that connects a computer to either a networking device or to an RJ-45 jack?

A) patch panel
B) cable segment
C) backbone cable
D) patch cable

Question 19

Which structured cabling component provides connectivity to computer equipment in the nearby work area?

A) MDF
B) IDF
C) Equipment room
D) Vertical cabling

Question 20

What is the maximum cable length for both category 5e and category 6 UTP cable?

A) 10 m
B) 20 m
C) 100 m
D) 1000 m

Question 21

Match each item with a statement below.​
a.cable plant
b.horizontal wiring
c.entrance facilities
d.patch cable
e.backbone cabling
f.encoding
g.differential signal
h.electromagnetic interference
i.IDF
j.MDF
all the cables and connectors that tie a network together

Question 22

A type of wireless network that uses light beams to send signals between two devices and is prone to interference from visible light sources is called ____________.

Question 23

Match each item with a statement below.​
a.cable plant
b.horizontal wiring
c.entrance facilities
d.patch cable
e.backbone cabling
f.encoding
g.differential signal
h.electromagnetic interference
i.IDF
j.MDF
connects a patch panel port to a switch or hub

Question 24

Match each item with a statement below.​
a.cable plant
b.horizontal wiring
c.entrance facilities
d.patch cable
e.backbone cabling
f.encoding
g.differential signal
h.electromagnetic interference
i.IDF
j.MDF
the method used to represent bits on a medium

Question 25

Describe twisted-pair cabling.

Question 26

Match each item with a statement below.​
a.cable plant
b.horizontal wiring
c.entrance facilities
d.patch cable
e.backbone cabling
f.encoding
g.differential signal
h.electromagnetic interference
i.IDF
j.MDF
caused by motors,transformers,and fluorescent lights

Question 27

Match each item with a statement below.​
a.cable plant
b.horizontal wiring
c.entrance facilities
d.patch cable
e.backbone cabling
f.encoding
g.differential signal
h.electromagnetic interference
i.IDF
j.MDF
interconnects telecommunications closets and equipment rooms

Question 28

What is a disadvantage of using fiber-optic cabling versus twisted-pair cabling?

A) limited to shorter distances due to high attenuation
B) low bandwidth potential
C) high susceptibility to eavesdropping
D) more difficult to install

Question 29

What really determines the bandwidth of a cabling type is how fast a transmitting device,such as a NIC,can generate ________ signals on the medium

Question 30

A(n)______________ measures the amount of light transmitted by a device on a fiber-optic cable and whether the amount of light on the cable's receiver meets the requirements for the device you're connecting.

Question 31

Match each item with a statement below.​
a.cable plant
b.horizontal wiring
c.entrance facilities
d.patch cable
e.backbone cabling
f.encoding
g.differential signal
h.electromagnetic interference
i.IDF
j.MDF
an equipment and cabling room that serves as the connecting point for backbone cabling between buildings and between IDFs

Question 32

When copper wires are bundled together,they are susceptible to ____________,a form of interference where the signals leak out onto other wires.

Question 33

Most office buildings usually have a false ceiling with an area above that which is used to run conduit for heating and air conditioning units,called the ____________.

Question 34

What type of wiring should be used for a high-speed connection between two buildings?

A) coaxial cabling
B) UTP cabling
C) STP cabling
D) fiber-optic cabling

Question 35

Match each item with a statement below.​
a.cable plant
b.horizontal wiring
c.entrance facilities
d.patch cable
e.backbone cabling
f.encoding
g.differential signal
h.electromagnetic interference
i.IDF
j.MDF
runs from work area's jack to telecommunications closet

Question 36

What is the difference between a crossover cable that can be used for 100BaseT networks versus one that is suitable for 1000BaseT networks?

Question 37

Match each item with a statement below.​
a.cable plant
b.horizontal wiring
c.entrance facilities
d.patch cable
e.backbone cabling
f.encoding
g.differential signal
h.electromagnetic interference
i.IDF
j.MDF
a method for transmitting data in which two wires of opposite polarity are used

Question 38

Match each item with a statement below.​
a.cable plant
b.horizontal wiring
c.entrance facilities
d.patch cable
e.backbone cabling
f.encoding
g.differential signal
h.electromagnetic interference
i.IDF
j.MDF
a telecommunications closet that houses the cabling and devices for work area computers

Question 39

Match each item with a statement below.​
a.cable plant
b.horizontal wiring
c.entrance facilities
d.patch cable
e.backbone cabling
f.encoding
g.differential signal
h.electromagnetic interference
i.IDF
j.MDF
connects a corporate network to third-party telecommunications provider

Question 40

List four of the typical components of a twisted-pair cable plant.

Question 41

What is a transceiver and what is its function?

Question 42

When would you use a straight-through cable and when would you use a crossover?

Question 43

What is structured cabling and what are its six components?

Question 44

What are the benefits of fiber-optic cabling?

Question 45

What are the benefits of installing a wireless network?

Question 46

Why is copper cabling susceptible to eavesdropping?