ITEC350
Study Guide for Midterm Exam
Please study based on the powerpoint slides which we used in
class. All the powerpoint
slides are posted 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
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?
VLSM (Variable Length Subnet Masking)
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)
What is difference between a Router and a Gateway?