CHAPTER 2
1. Refer to the
exhibit. Identify the devices labeled A, B, C, and D in the network physical
documentation.
a. A=bridge,
B=switch, C=router, D=hub
b.
A=bridge, B=hub, C=router, D=switch
c.
A=bridge, B=router, C=hub, D=switch
d. A=hub,
B=bridge, C=router, D=switch
2. The central hub
has malfunctioned in the network. As a result, the entire network is down.
Which type of physical network topology is implemented?
a. bus
b. star*
c. ring
d. mesh
3. A switch has
failed in the network. As a result, only one segment of the network is down.
Which type of physical network topology is implemented?
a. bus
b. ring
c. star
d. extended
star*
4. Which three
features apply to LAN connections? (Choose three.)
a. operate
using serial interfaces*
b. make
network connection using a hub*
c. limited
to operation over small geographic areas*
d. provide
part-time connectivity to remote services
e.
typically operate under local administrative control
f. provide
lower bandwidth services compared to WANs
5. What is one
advantage of defining network communication by the seven layers of the OSI
model?
a. It
increases(bertambah) the bandwidth of a network.
b. It makes
networking easier to learn and understand.*
c. It
eliminates many protocol restrictions.
d. It
increases the throughput of a network.
e. It
reduces the need for testing network connectivity.
6. What makes it easier
for different networking vendors to design software and hardware that will
interoperate?
a. OSI
model*
b.
proprietary designs
c. IP
addressing scheme
d. standard
logical topologies
e. standard
physical topologies
7. Which term
describes the process of adding headers to data as it moves down OSI layers?
a. division
b. encoding
c.
separation
d.
segmentation
e.
encapsulation
8. What is the term
used to describe the transport layer protocol data unit?
a. bits
b. packets
c. segments
d. frames
e. data
streams
9. Which of the
following are layers of the TCP/IP model? (Choose three.)
a.
Application*
b.
Physical*
c. Internet
d. Network
Access
e.
Presentation*
10. Which of the
following are data link layer encapsulation details? (Choose two.)
a. A header
and trailer are added.
b. Data is
converted into packets.
c. Packets
are packaged into frames.*
d. Frames
are divided into segments.
e. Packets
are changed into bits for Internet travel.*
11. Which layer of
the OSI model provides network services to processes in electronic mail and
file transfer programs?
a. data
link
b.
transport
c. network
d.
application*
12. Which two
features apply to WAN connections? (Choose two.)
a. operate
using serial interfaces
b. make
network connection using a hub
c. limited
to operation over small geographic areas
d.
typically operate under local administrative control*
e. provide
lower bandwidth services compared to LANs
13. Which of the
following are ways that bandwidth is commonly measured? (Choose three.)
a. GHzps
b. kbps#
c. Mbps#
d. Nbps
e. MHzps#
f. Gbps
14. Refer to the
following list. Choose the correct order of data encapsulation when a device
sends information. segments bits packetsdata frames
a. 1 - 3 -
5 - 4 - 2
b. 2 - 1 -
3 - 5 - 4
c. 2 - 4 -
3 - 5 - 1
d. 4 - 3 -
1 - 2 - 5
e. 4 - 1 -
3 - 5 - 2#
f. 3 - 5 -
1 - 2 - 4
15. Which of the
following are factors that determine throughput? (Choose two.)
a. types of
passwords used on servers
b. type of
Layer 3 protocol used
c. network
topology#
d. width of
the network cable
e. number
of users on the network#
16. Refer to the
exhibit. Which column shows the correct sequence of OSI model layers?
a. A
b. B
c. C
d. D#
17. Which layer of
the OSI model provides connectivity and path selection between two end systems
where routing occurs?
a. physical
layer
b. data
link layer
c. network
layer#
d.
transport layer
18. Which best
describes the function of the physical layer?
a. Defines
the electrical and functional specifications for the link between end systems.#
b. Provides
reliable transit of data across a physical link.
c. Provides
connectivity and path selection between two end systems.
d.
Concerned with physical addressing, network topology and media access.
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