1.
PDUs at the
network layer of the OSI are called what?
A.
Transport
B.
Frames
C.
Packets
D.
Segments
2.
Which two
statements about a reliable connection-oriented data tranfer are true?
A.
Receiving
hosts acknowledge receipt of data.
B.
When buffers are
full, packets are discarded and are not retransmitted.
C.
Windowing is
used to provide flow kontrol and unacknowledged data segments.
D.
If the
transmitting host’s timer expires before receipt of an acknowledgment, the
transmitting host drops the virtual circuit.
3.
PDUs at the data
link layer are named what?
A.
Transport
B.
Frames
C.
Packets
D.
Segments
4.
Segmentation of
a data stream happens at which layer of the OSI model?
A.
Physical
B.
Data link
C.
Nerwork
D.
Transport
5.
You want to
install a wireless network in your corporate office, and need good speed but
not more then about 250 feet of range. Which of the following wireless
technologies should you installl?
A.
Narrowband
B.
Narrowband PCS
C.
Broadband PCS
D.
Infrared
E.
Spread spectrum
6.
Which layer of
the osi provides translation of data?
A.
Application
B.
Presentation
C.
Session
D.
Transport
E.
Data link
7.
When data is enca
psulated, which is the correct order?
A.
Data, frame,
packet, segment, bit
B.
Segment, data,
packet, frame, bit
C.
Data,
segment, packet, frame, bit
D.
Data, segment,
frame, packet, bit
8.
Which of the following is not an advantage of
a layered model?
A.
Allows
multiple-vendor development through standardization of network komponent
B.
Allows various
types of network hardware and software to o munikate
C.
Allows changes
to occur in all layers withour having to change just one layer
D.
Prevents changes
ih one layer from affecting other layers so it does not hamper development
9.
What are to
purposes for segmentation with a bridge?
A.
Add more
broadcast domains
B.
Create more
collision domains
C.
Add
more bandwidth for user
D.
Allow
more broadcats for user
10. What does the term “base” indicate in 100 base TX?
A.
The
maximum distance
B.
The type of
wiring used
C.
A LAN switch
method using half duplex
D.
A signaling
method for communication on the network
11. What is maximum distance of 100 base T?
A.
100
feet
B.
1000 feet
C.
100 meters
D.
1000 meters
12. Which of the following would describe a transport
layer connection that would ensure reliabie delivery?
A.
Routing
B.
Acknowledgments
C.
Switching
D.
System
authentication
13. What are two reasons to segment a network with a
bridge?
A.
Increase the
amount of collision on a segment
B.
Decrease
the amount of broadcast on a segment
C.
Reduce
collisions within a broadcast domain
D.
Increase the
number of collisions domains
14. Which of the following types of connections can use
full duplex? (choose three options)
A.
Hub to
hub
B.
Switch to switch
C.
Host
to host
D.
Switch
to hub
E.
Switch to host
15. Which of the following are presentation layer
protocols? (choose three options)
A.
TFTP
B.
IP
C.
RTF
D.
Quick
Time
E.
MIDI
16. Which of the following are considered some reasons for LAN
congestion? (choose three options)
A.
Bill gates
B.
Low
bandwidth
C.
Too
many users in a broadcast domain
D.
Broadcast storms
E.
Routers
F.
Multicasting
G.
Any cisco
competitoc
17. Which of the following are reasons for breaking up a network into two segments with a router?
(choose two)
A.
To create fewer
broadcast domains
B.
To
create more broadcast domains
C.
To
create one large broadcast domains
D.
To stop one
segment’s broadcast from being sent to the second segment
18. How do you connect to a router using hyper terminal?
A.
Connect the
ethernet port of your host to the ethernet interface of the router using a
rolled cable
B.
Connect the COM
port of your host to the ethernet port of the router using a rolled cable
C.
Connect the
ethernet port of your host to the console port of the router using a rolled
cable
D.
Connect the COM
port of your host to the console port of the router using a crossover cable
E.
Connect
the COM port of your host to the console port of the router using a rolled
cable
19. You want to use full-duplex ethernet instead of half
duplex. Which two of the following will be benefits on your network?
A.
You will have
more collision domains
B.
You’ll have no
collision on each segment
C.
It
should be faster
D.
It
will be less expensive
20. What is a reason you want to use switches in your
network instead of hubs?
A.
They are less
axpensive
B.
Switches are
faster than hubs at reading frames
C.
Switches
create more collision domains
D.
Switches do not
forward broadcasts
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