Transcript What is a packet? How do packets work?

What is a packet?
How do packets work?
What are the advantages of
packets?
What are the three parts of a
packet?
Tell how a checksum works?
How is point-to-point topology
like connecting multiple printers
to a single computer?
How is multipoint different
from point-to-point?
Why must a bus topology use
terminators?
List three disadvantages of a
bus topology.
Compare a ring topology to a
bus topology.
Does a ring use terminators?
Why or why not?
List three advantages of a ring
topology.
What device in a home or office
is the model for a star topology?
Explain how a star topology
functions.
Give three disadvantages of a
star topology.
What are channel access
methods?
How many different types of
channel access methods are used
with multipoint topologies?
Computer 1 and Computer 2
each need to send a message on
a CSMA/CD network. Explain how
it works.
Tell how polling works.
Give two advantages of
polling.
Explain how token passing
works.
What happens after the
destination computer gets the
token sent to it?
What are two disadvantages
of token passing?
Explain how demand priority
functions.
What are two advantages of
demand priority?
What are two disadvantages
of demand priority?
Data that is to be transmitted
across a network is divided
into smaller blocks of data
called
___________________
The data portion of a packet
contains the actual data to be
transmitted, and it can be
anywhere from _______ bytes
to ______ bytes long,
depending on the type of
network.
A ______ is a number
calculated based on the
contents of the data in a
packet.
________ is how the
computer network is laid out
A ______________ topology
requires each device to be
directly connected to all other
devices on the network.
A ______________ is a
connection device on a
computer that allows it to
connect to another device.
The key to a ___________
topology can be summed up
in one word: sharing.
A __________ topology has
one starting point and one
ending point.
A _____________ topology is
a circle with no ends.
A __________ topology has a
central controlling unit to
which all devices are attached.