ITEC350
Study Guide 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
and lecture notes in D2L.
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 – Original IP subnetting.
o
Special IP addresses
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Class A, Class B, Class C
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Conversion between the dotted decimal
representation and the binary representation of IP addresses
o
Subnetting
¡×
please review your homework 1
¡×
Why subnets?
Nonroutable addresses
Classless IP address
VLSM (Variable Length Subnet Masking)
o
Note: In the exam questions,
unless I mention that the question is about VLSM, please give the answers based
on the original IP subnetting scheme.
What is promiscuous mode?
DNS
o
What is DNS? (You should state that DNS translates
Domain name to IP address.)
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How DNS works? (http://cr.yp.to/djbdns/intro-dns.html)
o
.arpa
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Why do we need .arpa?
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What is reverse lookup?
o
How the reverse lookup works? (http://cr.yp.to/djbdns/intro-dns.html#reverse)
What is difference between a Router and a Gateway?
Sample
Questions from the textbook
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(Page 92) Problem 2.3, 2.4, and 2.6
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(Page 93) Problem 2.13
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(Page 94) Problem 2.28
Sample Exam:
Exam 1 of Spring 2004 semester
o
Please ignore the question 5, 9, 15 in the sample exam since those are out
of scope for the midterm exam.