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Comptia Network+ chapter 1-3 exam

Total questions: 45

Worksheet time: 21mins

Name
Class
Date
1.
What does LAN stand for?
a)
Local Area Network
b)
Legal Access Network
c)
Legendary Access Node
d)
Local Admin Network
2.
What does WAN stand for ?
a)
Weak Access Node
b)
Working Area Network
c)
Wide Area Network
d)
World Access Net
3.
What is this an image of?
a)
Star
b)
Bus
c)
WAN
d)
LAN
4.
What type of network is this?
a)
Star
b)
Mesh
c)
LAN
d)
WAN
5.
What type of network is this?
a)
Star
b)
Bus
c)
LAN
d)
WAN
6.
What type of network is this?
a)
Star
b)
Bus
c)
LAN
d)
WAN
7.
What are the red arrows pointing at?
a)
Terminator
b)
Node
c)
Bus
d)
Network
8.
If a cable fails on a star what happens?
a)
Network fails
b)
One computer fails
c)
Nothing
d)
Not sure
9.
If the main cable on a bus fails what happens?
a)
Nothing
b)
Some of the computers will still work
c)
The whole network fails
d)
One computer fails
10.

What does Local Area Network(LAN) mean?

a)

A public high-speed network that can transmit voice and data within a limited geographical area.

b)

An interconnected group of computers/peripherals located within a limited area.

c)

A network system.

d)

Dispenses jobs sent to a network printer.

11.

Which of the following CANNOT be a reason for network problems?

a)

Incorrect network problems

b)

Unplugged network hub,switch

c)

Network cables are connected

d)

Network disabled

12.

What is 'latency'?

a)

Stores files and supplies the files to workstations on request of the user.

b)

The elapsed time it takes for a packet of data to arrive and leave its destination.

c)

The elapsed time it takes for a packet of data to arrive at its destination.

d)

Allows wireless devices to connect to a wired network.

13.

What does communication protocol refer to?

a)

The set of rules for corruption of data from one network to another.

b)

The ping count.

c)

The set of rules for transmission of data from one network to another.

d)

The capacity of a network.

14.

What're two commonly used addresses for data transmission?

a)

Home address and IP Address

b)

Town of Birth and Mac Address

c)

Indestructible Phoenix Address and Home Address

d)

IP Address and Mac Address

15.

What is a 'packet'?

a)

What UPS delivers to your mailbox.

b)

What your teacher gives during class.

c)

A collection of routers in a set area.

d)

A collection of information sent online.

16.

You need a topology that is scalable to use in your network. Which of the following will you install?

a)

Bus

b)

Ring

c)

Star

d)

Mesh

e)

All of these

17.

What are the characteristic traits of single-mode fiber optics?

a)

Transmission distances of up to 2 km

b)

More expensive than multimode fiber optics

c)

Less expensive than multimode fiber optics

d)

Transmission distances of up to 100 km

e)

Uses laser as the source of light

18.

What are the characteristic features of the RJ-45 connector?

a)

Used with telephone cabling

b)

Coaxial cabling connector

c)

Used with Ethernet network cabling

d)

Copper cabling connector`

e)

Fiber-Optic cabling connector

19.

Which of the following refers to the minimum requirement for twisted-pair copper cabling in modern Ethernet networks

a)

cat 3

b)

cat 5

c)

cat 5e

d)

cat 6

e)

cat 9

20.

Why would a network admin use plenum-rated cable during an installation?

a)

low combustion temperature

b)

high combustion temperature

c)

reduces toxic gas released during a fire

d)

is not susceptible to any interference

21.
What is layer 5 in the OSI model?
a)
Network
b)
Session
c)
Transport
d)
Application
e)
Presentation
22.
What is layer 1 in the OSI model?
a)
Transport
b)
Network
c)
Session
d)
Physical
e)
Data Link
23.
What is layer 4 in the OSI model
a)
Network
b)
Session
c)
Transport
d)
Data Link
e)
Presentation
24.
What is layer 3 in the OSI model?
a)
Network
b)
Session
c)
Transport
d)
Data Link
e)
Presentation
25.

What is layer 2 in the OSI model

a)

Transport

b)

Network

c)

Session

d)

Physical

e)

Data Link

26.
What is layer 7 in the OSI model?
a)
Network
b)
Session
c)
Transport
d)
Application
e)
Presentation
27.
What is layer 6 in the OSI model?
a)
Network
b)
Session
c)
Transport
d)
Application
e)
Presentation
28.
Encryption takes place at what layer?
a)
Application
b)
Session
c)
Data Link
d)
Presentation
e)
Transport
29.
IP is implemented at which OSI model layer?
a)
Transport
b)
Data Link
c)
Logical Link Control
d)
Session
e)
Network
30.
Which layer handles the formatting of application data so that it will be readable by the destination system?
a)
Application
b)
Session
c)
Data Link
d)
Presentation
e)
Transport
31.
Packets are found at which layer?
a)
Network
b)
Transport
c)
Session
d)
Data Link
e)
Physical
32.
Bits are packaged into frames at which layer of the OSI model?
a)
Data Link
b)
Physical
c)
Application
d)
Transport
e)
Presentation
33.
Which layer in the OSI model is divided into sublayers Logical Link Control and Media Access Control?
a)
Data Link
b)
Physical
c)
Network
d)
Transport
e)
Presentation
34.

What is the main difference between single-mode fiber (SMF) and multimode fiber (MMF)?

a)

Electrical signals

b)

Number of light rays

c)

Number of digital signals

d)

That signal-mode can be run a shorter distance

35.

Why are wires in twisted pair cables?

a)

To reduce crosstalk or electromagnetic induction between pairs of wires

b)

Not To reduce crosstalk or electromagnetic induction between pairs of wires

c)

Because they cost less

36.

Which of the following methods would you use to create a crossover cable

a)

Use the T568A standard on one connector and the t568b standard on the other connector

b)

Use the t568B standard

c)

Use the BLOG Convention

37.

What is crosstalk?

a)

An unwanted transfer of signals between communication channels

b)

An area that connects multiple floors where cables can be run. This area cannot be a plenum space.

c)

Plastic used to shield objects such as coaxial cable

38.

What is the disadvantage of using fiber optic cabling?

a)

Difficult to work with

b)

Hard to find

c)

Neither of these

39.

Which type of optical fiber is normally used to connect two buildings that are several kilometers apart?

a)

Multi-mode

b)

Fibre Channel mode

c)

Single-mode

40.

Which of the following cables can be used to directly connect two PCs?

a)

Crossover Cable

b)

Straight-Through Cable

c)

Rollover Cable

41.

Which type of connector is mostly used these days for connectivity with a network card?

a)

RJ-33

b)

RJ-11

c)

RJ-45

d)

BNC

42.

Which cables use RJ-45 connectors?

a)

Shielded Twisted Pair Cable

b)

Thin Coaxial Cable

c)

Thick Coaxial Cable

d)

Unshielded Twisted Pair Cable

43.

How many twisted pairs does UTP cable have?

a)

2

b)

8

c)

4

d)

6

44.

__________ cable transfers data by light impulses

produced by an LED or a Laser

a)

Thinnet Cable

b)

Coaxial Cable

c)

CAT 6E Cable

d)

Fiber Optic Cable

45.

Fiber-optic cable uses _____ instead of electrical energy to transmit data.

a)

radio waves

b)

microwaves

c)

light pulses

d)

satellite transmissions

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