Which one of the following is not used in media access control?

(a)

ethernet

(b)

digital subscriber line

(c)

fiber distributed data interface

(d)

none of the mentioned

Which of the following type of network contains Bluetooth as its example?

(a)

personal area network

(b)

local area network

(c)

virtual private network

(d)

none of the mentioned

Your company has a LAN in its downtown office and has now set up a LAN in the manufacturing plant in the suburbs. To enable everyone to share data and resources between the two LANs, what type of device(s) are needed to connect them? Choose the most correct answer.

(a)

Modem

(b)

Cable

(c)

Hub

(d)

Router

Identify the twisted pair cable in which metal casing improves penetration of noise or crosstalk.

(a)

insulated twisted pair cable

(b)

Shielded twisted pair cable

(c)

Unshielded twisted pair cable

(d)

Both A & B

Read the statements and identify the correct option.
Statement A: Voice mail system is a centralized system where voice mail boxes are managed for many users.
Statement B: voice mail messages can be accessed, listened and managed from anywhere in the world through telephone line.

(a)

Statement A is correct

(b)

Statement B is correct

(c)

Both the statements are correct

(d)

None of them