The Bits and Bytes of Computer Networking Review Questions with complete Solutions Rated A+
Which of the following is an example of a network layer (layer 3) protocol? - Answers IP, or Internet
Protocol, is the most common network layer protocol.
What's the difference between a client and a server? - Answers A client requests data, a server responds
to that request
Which of the following are examples of layers of our five-layer network model? - Answers Transport
layer, application layer, physical layer
Which of the following statements accurately describe the differences between a hub and a switch? -
Answers A hub is a physical layer device that causes larger collision domains. A switch is a data link layer
device that remembers which device is connected on each interface
What does LAN stand for? - Answers LAN stands for Local Area Network.
What's a router? - Answers A router connects independent networks by forwarding data between them.
What is the type of modulation used by twisted pair cable computer networks known as? - Answers Line
coding is the modulation of an electrical charge so that each side of a connection knows what is a one
and what is a zero.
What's the difference between full and half duplex? - Answers A half duplex connection allows
communication in both directions, but only one side can communicate at a time.
How many octets are there in a MAC address? - Answers A MAC address is a 48-bit number consisting of
6 octets.
What address is used for Ethernet broadcasts? - Answers The address FF:FF:FF:FF:FF:FF is used for
Ethernet broadcast traffic.
What is a cyclical redundancy check? - Answers A cyclical redundancy check ensures that there was no
data corruption.
When data can flow across a cable in both directions, this is known as _____ communication. - Answers
Duplex communication occurs when data flows in both directions.
The transmission method that sends data to every device on a LAN is known as a _____ transmission. -
Answers Broadcast transmissions are used to communicate with every node on a network segment.
Something that requests data from a server is known as a ____ - Answers A client requests data, and a
server responds to that request.
When an electrical pulse on one wire is accidentally detected on another nearby wire, this is known as
_____. - Answers Crosstalk is reduced by the way that wires are twisted inside of a cable.
Which of the following is an example of a network layer (layer 3) protocol? - Answers IP, or Internet
Protocol, is the most common network layer protocol.
What's the difference between a client and a server? - Answers A client requests data, a server responds
to that request
Which of the following are examples of layers of our five-layer network model? - Answers Transport
layer, application layer, physical layer
Which of the following statements accurately describe the differences between a hub and a switch? -
Answers A hub is a physical layer device that causes larger collision domains. A switch is a data link layer
device that remembers which device is connected on each interface
What does LAN stand for? - Answers LAN stands for Local Area Network.
What's a router? - Answers A router connects independent networks by forwarding data between them.
What is the type of modulation used by twisted pair cable computer networks known as? - Answers Line
coding is the modulation of an electrical charge so that each side of a connection knows what is a one
and what is a zero.
What's the difference between full and half duplex? - Answers A half duplex connection allows
communication in both directions, but only one side can communicate at a time.
How many octets are there in a MAC address? - Answers A MAC address is a 48-bit number consisting of
6 octets.
What address is used for Ethernet broadcasts? - Answers The address FF:FF:FF:FF:FF:FF is used for
Ethernet broadcast traffic.
What is a cyclical redundancy check? - Answers A cyclical redundancy check ensures that there was no
data corruption.
When data can flow across a cable in both directions, this is known as _____ communication. - Answers
Duplex communication occurs when data flows in both directions.
The transmission method that sends data to every device on a LAN is known as a _____ transmission. -
Answers Broadcast transmissions are used to communicate with every node on a network segment.
Something that requests data from a server is known as a ____ - Answers A client requests data, and a
server responds to that request.
When an electrical pulse on one wire is accidentally detected on another nearby wire, this is known as
_____. - Answers Crosstalk is reduced by the way that wires are twisted inside of a cable.
