The Bits and Bytes of Computer Networking. Week 1: Networking
Basics with Complete Solutions
Which of the following is an example of a
network layer (layer 3) protocol? What is the type of modulation used by twisted
pair cable computer networks known as? -
IP, TCP, UDP, Ethernet - ANSWER -IP, or ANSWER -Line coding
Internet Protocol, is the most common network
layer protocol.
What's the difference between full and half
duplex? - ANSWER -Full duplex allows
What's the difference between a client and a communications in two directions at the same
server? - ANSWER -A client requests data, time; half duplex means that only one side can
and a server responds to that request. communicate at a time.
Which of the following are examples of layers of How many octets are there in a MAC address? -
our five-layer network model? Check all that ANSWER -6; A MAC address is a 48-bit
apply. number consisting of 6 octets.
The physical layer
The transport layer, What address is used for Ethernet broadcasts? -
The presentation layer ANSWER -FF::FF:FF::FF::FF:FF
The application layer - ANSWER -The
physical layer
The transport layer, What is a cyclical redundancy check? -
The application layer ANSWER -A mathematical calculation used
to ensure that all data arrived intact.; A cyclical
redundancy check ensures that there was no
Which of the following statements accurately data corruption.
describe the differences between a hub and a
switch? Check all that apply. - ANSWER -A
hub causes larger collision domains/ a hub is a A device that knows how to forward traffic
physical layer device, and a switch is a data link between independent networks is known as a
layer device/ a switch remembers which devices _____. - ANSWER -router
are connected on each interface, while a hub
does not.
MAC address stands for ____ address. -
ANSWER -media access control
What does LAN stand for? - ANSWER -
Local area network
Something that requests data from a server is
known as a ____. - ANSWER -client; A
What's a router? - ANSWER -a device that client requests data, and a server responds to
knows how to forward data between independent that request.
networks.
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Basics with Complete Solutions
Which of the following is an example of a
network layer (layer 3) protocol? What is the type of modulation used by twisted
pair cable computer networks known as? -
IP, TCP, UDP, Ethernet - ANSWER -IP, or ANSWER -Line coding
Internet Protocol, is the most common network
layer protocol.
What's the difference between full and half
duplex? - ANSWER -Full duplex allows
What's the difference between a client and a communications in two directions at the same
server? - ANSWER -A client requests data, time; half duplex means that only one side can
and a server responds to that request. communicate at a time.
Which of the following are examples of layers of How many octets are there in a MAC address? -
our five-layer network model? Check all that ANSWER -6; A MAC address is a 48-bit
apply. number consisting of 6 octets.
The physical layer
The transport layer, What address is used for Ethernet broadcasts? -
The presentation layer ANSWER -FF::FF:FF::FF::FF:FF
The application layer - ANSWER -The
physical layer
The transport layer, What is a cyclical redundancy check? -
The application layer ANSWER -A mathematical calculation used
to ensure that all data arrived intact.; A cyclical
redundancy check ensures that there was no
Which of the following statements accurately data corruption.
describe the differences between a hub and a
switch? Check all that apply. - ANSWER -A
hub causes larger collision domains/ a hub is a A device that knows how to forward traffic
physical layer device, and a switch is a data link between independent networks is known as a
layer device/ a switch remembers which devices _____. - ANSWER -router
are connected on each interface, while a hub
does not.
MAC address stands for ____ address. -
ANSWER -media access control
What does LAN stand for? - ANSWER -
Local area network
Something that requests data from a server is
known as a ____. - ANSWER -client; A
What's a router? - ANSWER -a device that client requests data, and a server responds to
knows how to forward data between independent that request.
networks.
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