TMA 12

Q1. When using a network the use of a bridge can be very useful. Explain why this may be the case?

Q2. What benefit would a network gain through the use of a repeater?

Q3. What is the purpose of a router in a network?

Q4. What is the purpose of a gateway in a network?

Q5. What is a concentrator? In your answer, provide a drawing outlining how it is used.

Q6. Describe the function of a network server.

Q7. Why is the bus topology particularly prone to collisions?

Q8. State one advantage and one disadvantage for the following:

a) bus topology

b) mesh topology

c) ring topology

d) star topology

Q9. Describe how a firewall would provide security in a school network, which is directly connected, to the Internet.

Q10. Describe the term video-conferencing.

Extension Question.

International Data Transmission standards are necessary when designing communication systems.

a) Explain why there is a need for International Data Transmission Standards.

b) Describe two benefits, which might arise from not adopting International Standards.