Download MSMC\Networks\Netowrking Review Questions sp12.wpd

Mount Saint Mary College, Newburgh, NY
Networking
CIT2300
Spring 2012
Review Questions
Week 4
Binary Numbers
1.
Do the following binary conversions
a.
110001012 to decimal.
b.
17910 to binary
c.
64M to exponential (a power of 2)
d.
238 to English (e.g. XXM)
Classful IP Addressing
2.
3.
4.
For each of the Classful IP address classes, A, B, C, D, and E, answer the
following questions:
a.
What are the fixed prefix bits for each class?
b.
How many host addresses are available for each network address
(express your answer as either a power of 2, or in English units e.g. 8K)?
c.
What is the numerical range for the most significant (leftmost) decimal
number of the IP address?
d.
What is the network mask?
e.
What is the private address range?
Identify each of the following IP Addresses as either Class A, Class B, Class C,
reserved, or private
a.
12.10.10.15
b.
200.12.3.255
c.
10.105.192.0
d.
127.0.0.1
e.
128.0.0.1
f.
255.255.255.255
g.
172.20.100.1
What is the network address corresponding to each of the following IP
addresses? What is the network mask?
a.
200.100.255.6
b.
116.24.32.255
c.
180.45.1.1
Classless IP Addressing
5.
Given the IP Address 190.23.163.4/19 using CIDR,
a.
What Class address is this?
b.
What is the network mask?
c.
What is the network address?
Netowrking Review Questions sp12.wpd
NTC Feb 17, 2012
Mount Saint Mary College, Newburgh, NY
Networking
CIT2300
d.
Spring 2012
Review Questions
How many hosts can be accommodated on each network?
Subnetting
6.
Consider a host a network with 8 subnets. The CIDR IP address for one of the
hosts on one of the subnets is 170.135.10.55/14
a.
What was the address of this host before subnetting? [Hint: no calculations
on the address bits is necessary.]
b.
What is the subnet address for this host?
Special Addresses
7.
Give an example of each of the following:
a.
A class A private address
b.
A class A broadcast address
c.
A class B private address
d.
A class B broadcast address
e.
A class C private address
f.
A class C broadcast address
g.
The Loopback (localhost) address
IPv6
8.
How many bits constitute an IPv6 Address?
Addresses and Address Resolution
9.
10.
11.
12.
13.
14.
15.
16.
What is the difference between a MAC address and an IP address?
What is a NetBIOS address?
Who assigns MAC addresses? (Covered the first week of class)
Who assigns IP addresses? (Covered the first week of class)
What are IP addresses used for?
What purpose does a port address serve?
What is a socket?
Give an example (in the appropriate format) of each of the following kinds of
addresses
a.
Domain Name
b.
NetBIOS name
c.
Port Address
Netowrking Review Questions sp12.wpd
NTC Feb 17, 2012
Mount Saint Mary College, Newburgh, NY
Networking
CIT2300
17.
18.
Spring 2012
Review Questions
d.
IP Address
e.
MAC Address
With which OSI Model layer is each of the above associated
For each of the four kinds of addresses above, what exactly is being identified?
Address Resolution
19.
20.
21.
22.
23.
What two mechanisms are used to find the IP address given a domain name?
What two mechanisms are used to find the IP address given a NetBIOS name?
What protocol defines how to find a MAC address when the IP address is known?
What mechanism is used to find a MAC address when the NetBIOs nam is
known?
What protocol is used to convert between public and private IP addresses?
DHCP
24.
25.
26.
27.
What service does DHCP provide?
What does the DHCP scope specify?
What does the DHCP lease specify?
What do the options ‘/release’ and ‘/renew’ do when used with the ipconfig
command? [Read the book if you don’t know this]
Netowrking Review Questions sp12.wpd
NTC Feb 17, 2012