Page 223 - PYTHON-12

2. State whether the following statements are True or False.
(a) A set of rules that governs internet is called protocol.
(b) A repeater handles different protocols.
(c) A hub is known as an intelligent device on the network.
(d) A location on a net server is called a website.
(e) A document that uses HTTP is called a web page.
(f) A switch is a device used to segment networks into sub-networks or subnets.
(g) Email is sending and receiving messages through videoconferencing.
(h) The degeneration of a signal over a distance on a network is called attenuation.
(i) Coaxial cable possesses higher tensile strength than optical fibre.
(j) When two entities are communicating and do not want a third party to listen, this situation is defined
as secure communication.
Answers: (a) True (b) False (c) False (d) True (e) True (f) True
(g) False (h) True (i) False (j) True

3. Multiple Choice Questions (MCQs)
(a) A computer network:
(i) Is a collection of hardware components and computers
(ii) Is interconnected by communication channels
(iii) Allows sharing of resources and information
(iv) All of the above
(b) What is a firewall in computer network?
(i) The physical boundary of network
(ii) An operating system of computer network
(iii) A system designed to prevent unauthorized access
(iv) A web browsing software
(c) What is the use of Bridge in the network?
(i) To connect LANs (ii) To separate LANs
(iii) To control network speed (iv) All of the above
(d) Each IP packet must contain:
(i) Only Source address (ii) Only Destination address
(iii) Source and Destination address (iv) Source or Destination address
(e) Which of these is not a communication channel?
(i) Satellite (ii) Microwave (iii) Radio wave (iv) Wi-Fi
(f) MAN Stands for .................... .
(i) Metropolitan Area Network (ii) Main Area Network
(iii) Metropolitan Access Network (iv) Metro Access Network
(g) Which of these is not an example of unguided media?
(i) Optical Fibre Cable (ii) Radio wave
(iii) Bluetooth (iv) Satellite
(h) In which topology are all the nodes connected through a single Coaxial cable?
(i) Star (ii) Tree (iii) Bus (iv) Ring
(i) Which of the following is the smallest network?
(i) WAN (ii) MAN (iii) LAN (iv) Wi-Fi
(j) Which protocol is used for the transfer of hypertext content over the web?
(i) HTML (ii) HTTP (iii) TCP/IP (iv) FTP
Answers: (a) (iv) (b) (iii) (c) (i) (d) (iii) (e) (iv) (f) (i)
(g) (i) (h) (iii) (i) (iii) (j) (ii) Computer Networks

8.69