CEN303
HW#1
Due: 2016/2/13
Answer all questions and show your work.
S1
R12 =1Mbps
D12=40km
S2
R23 =10Mbps
D23=20km
S3
1) Three packet switches (S1, S2, and S3) are connected by two links as shown above, what is the
end to end delay to send a file of size
2/25/2010
Chapter 1
Introduction
Dr. Mznah Al-Rodhaan
Based on
th
Data Communications and Networking, 4 Edition. by Behrouz A. Forouzan, McGraw-Hill Companies, Inc., 2007
Dr. Mznah Al-Rodhaan
1-1 DATA COMMUNICATIONS
The term telecommunication means commun
Application Layer
Chapter 2
CEN303- Semester I 2016-2017
Chapter 2: Application Layer
Outline
2
2.1 Principles of Network Applications
2.2 Web and HTTP
2.3 FTP
2.4 Electronic mail
2.5 DNS
2.6 P2P Applications
2.7 socket programming with UDP and TCP
Some N
Tutorial 6
Medium Access Control
1. Suppose the cellular operator decides to use TDMA system. The TDMA system can
support maximum of 8 time slots per TDMA frame.
a. What is the total number of users supported per TDMA frame? Justify.
8 users because each
Homework #1
Due Date: 30/1/1438H
31/10/2016 M
1) Suppose we have two hosts A and B that are separated by 25 kilometers and are
connected by a direct link with the speed rate of R= 1Mbps. The link has a propagation
speed of 2*108 meters/sec.
a- Evaluate th
Tutorial 7
Ethernet network
Given an Ethernet network operating at 10 Mbps. The structure of the Ethernet frame is
shown in figure 2. IFG is the inter-frame gap between two consecutive frames.
1. A station S has to send data on an Ethernet network. Howeve
Homework #3
Due Date: 1/3/1438H
30/11/2016 M
Consider in figure 1 the following scenario happening in a network between the sender A and the receiver
B. we assume that the sender's window and the receiver's window have the same size equal to 8. The
sender
Tutorial 4
Eng. Fahad Almofawez
Previous Lecture
Throughput. The average rate of successful message delivery over a
communication channel. The throughput is usually measured in bits
per second (bit/s or bps).
Loss. the percentage of lost data.
=
Ex
