Question: Clients locate the DHCP server on their network because:

Answer Choices:
The DHCP DISCOVER message sent by the computer is broadcast on the network.
The IP address of the DHCP server is typically programmed into the computer.
Any computer on the network can act as a DHCP server.
The client can act as its own DHCP server.

Answer: The DHCP DISCOVER message sent by the computer is broadcast on the network.

 

Question: SDN is useful for

Answer Choices:
Home networking
End user connectivity
Data center operations
Internet service providers

Answer: All of the above

 

Question: When the browser requests a web page using HTTP, it typically specifies:

Answer Choices:
Only the file name of the web page requested
The file name of the web page requested along with some useful information about itself
None of the above
Only its own identification

Answer: The file name of the web page requested along with some useful information about itself

 

Question: Echo is not a useful error detection techniques in computer networking because

Answer Choices:
Errors may cancel out during the echo
It is complex to use
It is difficult to implement
It is time consuming

Answer: Errors may cancel out during the echo

 

Question: Data is converted to signals for transmission because:

Answer Choices:
There is no known method to transport data over physical media.
Network carriers prefer to transport signals.
Data is expensive to transport over physical media.
Signals are inexpensive to transport over physical media.

Answer: Signals are inexpensive to transport over physical media.

 

Question: An organization with a class B network address has 50 subnets. Each subnet in this organization can have at most ______ bits for the host ID.

Answer Choices:
10
8
9
6

Answer: 9

 

Question: The IP address 10000011 11110001 10101010 11000011 is written in dotted decimal notation as:

Answer Choices:
131.247.170.193
131.237.168.195
131.227.167.193
131.227.170.195

Answer: 131.247.170.195

 

Question: IMAP and POP are used to:

Answer Choices:
Manipulate the contents of the mailbox
Access web pages
Serve web pages
Deliver email to the destination mail server

Answer: Deliver email to the destination mail server

 

Question: The right-most bits of an IP address identify the:

Answer Choices:
The manufacturer of the host’s networking hardware.
The network in which the host is located.
The country in which the host is located.
Host on the network.

Answer: Host on the network.

 

Question: A 64-bit binary number can be used to uniquely label ________ objects.

Answer Choices:
64
2^64

Answer: 2^64