What is a packet How do packets work

1
What is a packet? How do packets work?
2
What are the advantages of packets?
3
What are the three parts of a packet?
4
Tell how a checksum works?
5
How is point-to-point topology like connecting
multiple printers to a single computer?
6
How is multipoint different from point-to-point?
7
Why must a bus topology use terminators?
8
List three disadvantages of a bus topology.
9
Compare a ring topology to a bus topology.
10
Does a ring use terminators? Why or why not?
11
List three advantages of a ring topology.
12
What device in a home or office is the model for
a star topology?
13
Explain how a star topology functions.
14
Give three disadvantages of a star topology.
15
What are channel access methods?
16
How many different types of channel access
methods are used with multipoint topologies?
17
Computer 1 and Computer 2 each need to send a
message on a CSMA/CD network. Explain how it
works.
18
Tell how polling works.
19
Give two advantages of polling.
20
Explain how token passing works.
21
What happens after the destination computer gets
the token sent to it?
22
What are two disadvantages of token passing?
23
Explain how demand priority functions.
24
What are two advantages of demand priority?
25
What are two disadvantages of demand priority?
26
Data that is to be transmitted across a network
is divided into smaller blocks of data called
___________________
27
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.
28
A ______ is a number calculated based on the
contents of the data in a packet.
29
________ is how the computer network is laid out
30
A ______________ topology requires each device to
be directly connected to all other devices on the
network.
31
A ______________ is a connection device on a
computer that allows it to connect to another
device.
32
The key to a ___________ topology can be summed
up in one word sharing.
33
A __________ topology has one starting point and
one ending point.
34
A _____________ topology is a circle with no ends.
35
A __________ topology has a central controlling
unit to which all devices are attached.