Chapter 2 Flashcards

1
Q

Which topologies require termination?

A

in a BUS topology, all computers connected to the network via a main line. The cable had to be terminated at both ends to prevent signal reflection.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Star-Bus is an example of a _____ topology?

A

Star-bus is a HYBRID topology because it uses a star physical topology and a bus signal topology.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q
Of the topologies listed, which one is the most fault-tolerant?
A. Point-to-Point
B. Bus
C. Star
D. Ring
A

Star is the only topology that has any fault tolerance.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

What term is used to describe the inter-connectivity of network components?

A

Topology is the term used to describe the inter-connectivity of network components.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Coaxial cables all have a(n)_____ rating.

A

All Coaxial cables have an Ohm Rating. RG-69 and RG-6 both are rated at 75 Ohm.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q
Which of the following is a type of coaxial cable?
A. RJ-45
B. RG-59
C. BNC
D. Barrel
A

RG-59 is a type of coaxial cable

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Which network topology connected nodes with a ring of a cable?

A

The aptly named Ring Topology connected nodes with a central ring of cable.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Which network topology is most commonly seen only in wireless network?

A

Mesh is, for the most part, unique to wireless networks.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q
Which of the following is a duplex fiber-optic connection?
A. LC
B. RJ-45
C. ST
D. SC
A

Only the LC connector is designed for duplex fiber-optics.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

What is the most common category of UTP used in new cabling installations?

A

Cat 6 is the most common cabling category used today, although Cat 6a and Cat 7 are gaining in popularity.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

What Topology connects all devices in a line?

A

Bus - that connects all the computers in a line.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

What Topology stops the data flow if there is a break in the network?

A

Ring - A break in a ring topology network simply broke the circuit, stopping the data flow.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

what topology has a central connection box for all computers on the network?

A

Star - Uses a central connection box for all the computers connected on the network.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

If one of the cables broke, all of the other computers could still communicate. What is this called?

A

Fault Tolerance

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

From how the signal travel electronically is called?

A

Logical Topology

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

We separate how the cable physically look is called?

A

Physical Topology

17
Q

Any form of networking technology that combines a physical topology with a signaling topology is called a?

A

Hybrid Topology

18
Q

Two machines have redundant connections. Every machine doesn’t have to connect to every other machine. This is called?

A

Partially Meshed Topology

19
Q

Every computer connects directly to every other computer is called?

A

Fully Meshed Topology

20
Q

What are the two primary types of copper cabling used in the industry?

A

Coaxial and Twisted Pair

21
Q

All coax cables have a ___ rating?

A

Radio Guide (RG) rating

22
Q

What type of connectors do RG-59 and RG6 use?

A

F-type (F-Connector)

23
Q

Using a pair of twisted wires rather than a single wire to send a signal reduces a specific type of interference, called?

24
Q

What does STP stand for?

A

Shielded Twisted Pairs

25
What does UTP stand for?
Unshielded Twisted Pair
26
Cat ratings are officially rated in?
Megahertz (MHz)
27
What are the ratings for Cat3?
16MHz | 16Mbps
28
What are the ratings for Cat5?
100MHz | 100Mbps
29
What are the ratings for Cat5e?
100MHz | 1Gbps
30
What are the ratings for Cat6?
250MHz | 10Gbps
31
What are the ratings for Cat6a?
500MHz | 10Gbps
32
What are the ratings for Cat7?
600MHz | 10+Gbps
33
What connectors do Telephone use?
RJ-11
34
Transmits light rather than electricity, making it attractive for both high-EMI areas and long-distance transmissions is called?
Fiber-Optic Cable
35
What are the four components in Fiber-Optic Cable?
1. The Glass 2. Cladding - Makes the light reflect down the fiber. 3. Buffer - Material to give strength. 4. Insulating Jacket
36
What is it called when you connect to fiber-optic cables together?
Duplex Fiber-Optic Cable
37
A fiber-Optic cable that uses LEDs is known as?
Multimode Fiber (MMF)
38
A fiber-Optic cable that uses lasers is known as?
Single-mode fiber (SMF)