• Eastern Mediterranean University

• ITEC 309

EASTERN MEDITERRANEAN UNIVERSITY

SCHOOL OF COMPUTING AND TECHNOLOGY

DEPARTMENT OF INFORMATION TECHNOLOGY

ITEC309 COMPUTER NETWORKS I

HOMEWORK #1

The answers of the homework questions must be submitted as described in the “Assignment Preparation

and Submission” guide.

Questions

Give short answers to the following questions.

Q1. Name the factors that affect the performance of a network.

Q2. Categorize the four basic topologies in terms of line configuration.

Q3. Draw a hybrid topology with a bus backbone connecting two ring backbones. Each ring backbone connects

three star networks with two computers each.

Q4. In Figure 1.1, computer A sends a message to computer D via LAN1, router R1 and LAN2. Show the contents

of the packets and frames at the network and data link layer for each hop interface. Assume the syntax of the

addresses as given in Figure 1.2.

Q5. Match the following to one or more layers of the OSI model:

a. Dialog control

b. Service point addressing

c. Routing

d. Encryption

e. Framing