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WorksheetsVolume 2
Total questions: 17
Worksheet time: 17mins
The process-to-process delivery of the entire message is the responsibility of the ___________
layer.
network
transport
data link
physical
The ____________________ layer is closest to the transmission medium.
network
transport
data link
physical
E-mail services are available to users through the _______________ layer.
application
presentation
session
tranport
When independent networks or links are connected to create an internetwork, the
connecting devices:
always reformat the encapsulated message.
route or switch the packets to their final destination.
immediately forward all incoming messages along to the destination address without reading the destination address.
None of the above.
The information contained in the data link layer allow for:
framing or dividing the stream of bits into data units called frames.
flow control ensuring that the data rate timing between sender and receiver is
maintained.
physical addressing providing node to node information.
All of the above.
The physical layer defines the:
characteristics of the interface between the devices and the transmission media.
acceptance of encoded electrical or optical signals.
type of transmission medium.
All of the above.
The _______________ layer changes streams of bits into electromagnetic signals.
data link
physical
session
network
When data are transmitted from computing device A to computing device B, the
header from A's layer 3 is read by B's ____________ layer.
application
transport
data link
network
On the incoming side of the internetwork, as the data packet moves from the lower to the upper layers, headers are _______________.
added
subtracted
rearranged
modified
The _____________ basic function is to convert the data intended for or received from the application layer into another format.
Transport Layer
Session Layer
Presentation Layer
Application Layer
The ____________ is responsible for managing and controlling the synchronization of data between applications on two devices.
Application Layer
Data Link layer
Session Layer
Transport Layer
There are how many layers in the OSI Model?
3
8
10
7
At which OSI layer that a switch operates?
Layer 1
Layer 2
Layer 3
Layer 4
At which OSI layer that a hub operates?
Layer 1
Layer 2
Layer 3
Layer 4
At which OSI layer that a router operates?
Layer 1
Layer 2
Layer 3
Layer 4
Refer to the diagram. Assume that PC2 transmits data to PC8. Which device(s) will receive a copy of the transmission?
PC8 only
PC1, PC2, PC3 & PC8
PC1, PC3 & PC8
PC1, PC3, PC7, PC8 & PC9
Refer to the diagram. Assume that PC9 transmits data to PC8. Which device(s) will receive a copy of the transmission?
PC8 only
PC1, PC2, PC3 & PC8
PC8 & PC9
None. Collision occurs.
