IP Worksheet Solutions
1. Consider the class-less IP network 184.108.40.206/21
a. How many bits are in the net id?
b. How many bits are in the host id?
_32 21 = 11 bits
c. How many possible hosts are there?
_211 2 = 2046
d. What is the mask
23.16 Make a list of the key network information that can be configured when a computer boots.
Computers IP address, address mask, address of a local DN server.
23.19 DHCP permits a server to be located on a remote network. How can the computer send DHCP
15.1 How large is the maximum Ethernet frame, including the CRC?
Header is 14 bytes (fixed).
Payload is 46-1500.
CRC is 4 bytes (fixed).
15.2 How is the type field in the Ethernet header used?
The type field in Ethernet frame provides multiplexing and dem
20.1 Will the Internet be replaced by a single networking technology? Why or why not?
Many of incompabilities makes it impossible to make a large network by interconnecting the
wires between networks. Internet is interconnection of wife range of technolog
2.9 - What Internet technology is the telephone system using?
Internet Technology that telephone system uses is Voice over IP (VoIP).
2.10 - Why is the switch from wired Internet access to wireless Internet access significant
With new high-speed
12.1 What is an access technology?
Internet access technology refers to a data communications system that connects an Internet
subscriber to an ISP, for i.e. Cable Company.
12.2 Why do service providers distinguish between upstream and downstream communic
Tuesday, March 31, 2009 10:40 AM
Occupants of 14th floor
Network upgrade Change Order 15148
I wanted to check in with you to see if anyone on your team is staying late on Monday, Apri
Homework 9 Solutions
1. Answer the following questions:
1.1 To initiate a connection using a socket in the standard client-server model, the client
must know the following about the server:
a. the MAC address of the host running the serve
TCP Worksheet Solutions
1. Assume that a TCP sending sliding window is of size 5 and currently includes bytes 8, 9, 10
11, and 12. The next byte to be sent is byte 8.
a. Initial condition
Window: _8 9 10 11 12_
b. Send a segment with 3 bytes
Homework 8 Solutions
1. Answer the following questions concerning TCP:
2.1 The bytes inside a TCP receiver's sliding window
a. can't be accepted yet
b. can be accepted or have been accepted but not yet consumed
c. have already been rece
5.1 What three disciplines are involved in data communications?
Data communication involves concepts from physics, mathematics, and electrical engineering.
5.2 What are the motivations for data communications?
Three motivations for data communications: