module 4 Build a simple network

Question 1

Which of the following is NOT a criterion for choosing a network media?

Answer 1

The type of data that can transmitted

Question 2

What is the most common type of wired media used by TV companies to connect and carry signals to a set-top box within a home?

Answer 2

coaxial cable

Question 3

Which type of wired media is used to carry digital information at very high speeds over long distances?

Answer 3

Fiber-optic cable

Question 4

Which is the most common type of wired media to connect end devices to an Ethernet LAN?

Answer 4

Twisted-pair cable

Question 5

A type of interference that occurs when cables are bundled together for long lengths is known as:

Answer 5

crosstalk

Question 6

What type of Ethernet twisted-pair cable may be required when the electrical environment has strong EMI and RFI interference?

Answer 6

STP

Question 7

Which of the following is the most common type of connector used to terminate twisted-pair cabling?

Answer 7

RJ-45

Question 8

Which of the following is an advantage of coaxial cable compared to UTP?

Answer 8

improved data carrying characteristic

Question 9

Which type of cabling is immune to RFI and EFI?

Answer 9

Fiber-optic

Question 10

Which organization defines the two different patterns, or wiring schemes, called T568A and T568B?

Answer 10

TIA/EIA

Question 11

Directly connecting like-devices, such as two computers, requires what type of UTP Ethernet cable?

Answer 11

Crossover

Question 12

Connecting a unlike-devices, such as a computers to an Ethernet switch, requires what type of UTP Ethernet cable?

Answer 12

Straight-through

Question 13

Which type of network cable contains multiple copper wires and uses extra shielding to prevent interference?

Answer 13

STP

Question 14

Which type of data cable is used by television companies to carry data and video signals?

Answer 14

coaxial

Question 15

Which term describes the interference when electrical impulses from one cable cross over to an adjacent cable?

Answer 15

Crosstalk

Question 16

A group of newly hired entry-level network engineers are talking about the network cabling they are going to have to install as a team. What is a characteristic of Ethernet straight-through UTP cable?

Answer 16

it is susceptible to interference from EMI and RFI

Question 17

A network specialist has been hired to install a network in a company that assembles airplane engines. Because of the nature of the business, the area is highly affected by electromagnetic interference. Which type of network media should be recommended so that the data communication will not be affected by EMI?

Answer 17

Fiber optic

Question 18

Which type of network cable is commonly used in backbone networks and telephone companies?

Answer 18

Fiber-optic

Question 19

Which type of Ethernet cable should be used to directly connect two devices that both use the same pins for transmitting and receiving data?

Answer 19

crossover twisted-pair cable

Question 20

What is a purpose of an IP address?

Answer 20

it identifies the source and destination of data packets