ITEC350
Study
Guideline for Midterm Exam
Please
study based on the powerpoint slides which we used in class. All the powerpoint
slides are posted on the class calendar of ITEC350 webCT.
Classification of Interconnected
processor by scale
o
PAN
o
LAN
o
MAN
o
WAN
Difference between Connectionless
and Connection oriented
OSI 7 layer
o
You
should memorize the OSI 7 layer protocol stack.
o
You need to understand what
each layer does.
TCP/IP
o
Protocol
stack (4 layers: Network Interface, Internet, Transport,
Application)
Segmentation & Reassembly
Multiplexing
o
What is Frequency Division
Multiplexing?
o
What is Time Division
Multiplexing?
Difference between a packet and a
frame
What do the following acronyms stand for?
o
HTTP
o
TCP
o
UDP
o
IP
o
OSI
o
DNS
o
RTP
o
ICMP
o
ARP
Encapsulation
What are Domain Name, IP address,
MAC address?
IP addresses
o
Special
IP addresses
o
Class
A, Class B, Class C
o
Conversion
between the dotted decimal representation and the binary representation of IP
addresses
o
Subnetting
¡×
please
review your homework 1
¡×
Why
subnets?
Nonroutable addresses
What is promiscuous mode?
DNS
o
What
is DNS? (You should state that DNS
translates Domain name to IP address.)
o
How
DNS works? (http://cr.yp.to/djbdns/intro-dns.html)
o
.arpa
o
Why
do we need .arpa?
o
What
is reverse lookup?
o
How
the reverse lookup works? (http://cr.yp.to/djbdns/intro-dns.html#reverse)
Line Coding
o
Unipolar NRZ
o
Polar NRZ
o
NRZ-inverted (differential
encoding)
o
Bipolar encoding
o
o
Differential
Error Detection & Correction
o
Single Parity Check
o
Two Dimensional Parity
Check
o
CRC (Cyclic Redundancy
Check) Code
What is difference between a Router
and a Gateway?
Sample Questions from the textbook
o
(Page 92) Problem 2.3, 2.4,
and 2.6
o
(Page 93) Problem 2.13
o
(Page 94) Problem 2.28
o
(Page 119) Problem 3.60
Sample Exam: Exam 1 of
Spring 2003 semester
o
Please note that the
textbook has been changed. Thus, ignore the question 5 and the question 9 in
the sample exam.