1. The document provides a review of questions and answers for a mid-term exam covering networking concepts. 2. It includes 35 questions related to topics like binary, hexadecimal, Ethernet, TCP/IP, network devices, network topologies, and the OSI model. 3. The questions are multiple choice format with between 4-7 possible answers for each question to choose from.

1. 1
Mid-Term Exam Review
Questions and Answers

2. 2
1. Represented as a decimal number, what
is the result of the logical ANDing of
binary numbers 00100011 and
11111100?
A. 3
B. 32 *
C. 35
D. 220
E. 255

3. 3
2. What is the binary equivalent for the
decimal number 248?
A. 11100000
B. 11110000
C. 11110100
D. 11111000 *

4. 4
3. Convert the binary number 01011011
into its hexadecimal equivalent. Select
the correct answer from the list below.
A. 5A
B. 5B *
C. 5C
D. 5D
E. 6B
F. 7A

5. 5
4. In an 8 bit binary number, what is the
total number of combinations of the eight
bits?
A. 128
B. 254
C. 255
D. 256 *
E. 512
F. 1024

6. 6
5. Which devices will create multiple
collision domains in an Ethernet
network? (Choose two.)
A. NIC
B. hub
C. switch *
D. router *
E. repeater

7. 7
6. How many collision domains are shown in the diagram?
A. three
B. four
C. five
D. six
E. seven *
F. eight

8. 8
7. Refer to the exhibit. The physical documentation shows
a portion of the internetwork of the ABC Company.
Which segments will be free of collisions?
A. segments 1 and 2
B. segments 1, 2, and 3
C. segments 1, 2, 3, 4, and 5
D. segments 2 and 3
E. segments 3, 4, and 5 *
F. segments 4, and 5

9. 9
8. Refer to the exhibit. How many broadcast domains are
shown?
A. three *
B. four
C. five
D. six
E. eight
F. ten

10. 10
9. Which of the following statements are correct
about CSMA/CD? (Choose three.)
A. It is a media access method used in LANs. *
B. It is a media access method used in FDDI WANs.
C. When a device needs to transmit, it checks to see if
the media is available. *
D. A device sends data without checking media
availability because all devices have equal access.
E. Multiple devices can successfully transmit
simultaneously.
F. Only one device can successfully transmit at a time.
*

11. 11
10. Refer to the exhibit. A network associate needs to establish an
Ethernet connection between Host A and Host B. However, the
distance between the two hosts is further than the cabling
standards allow. Which two devices that operate at the physical
layer of the OSI can be used to allow Host A and Host B to
communicate? (Choose two.)
A. switch
B. hub *
C. bridge
D. router
E. repeater *

12. 12
11. Which technologies are considered to
be LAN technologies? (Choose two.)
A. DSL
B. Token Ring *
C. Frame Relay
D. ISDN
E. Ethernet *

13. 13
12. Refer to the exhibit. What is the order of the TCP/IP
Protocol Data Units as data is moved as indicated
through the OSI model?
A. bits, segments, frames, packets, data
B. bits, frames, packets, segments, data *
C. bits, frames, segments, packets, data
D. bits, packets, frames, segments, data

14. 14
13. Which physical network topology is easy to
monitor and troubleshoot, easy to add new
devices to as the network expands, but subject
to complete failure when a central hub or
switch ceases to work?
A. bus
B. star *
C. ring
D. mesh

15. 15
14. Refer to the exhibit. The hub and the switch are
operating using factory default settings. Which hosts
will receive the frame if host A transmits a broadcast
frame?
A. Only workstation B and the router will receive the data.
B. Workstations B, C, D, E, and the router will receive the data. *
C. Only workstations connected to the hub will receive the data.
D. Workstations B, C, D, E, and the router will receive the data
and it will be forwarded into the Internet.

16. 16
15. Why would a company install a switch instead
of a hub when building or expanding a
corporate network?
A. A switch manages frames faster than a hub does. A
switch operates at 100 Mbps.
B. A hub operates at a maximum of 10 Mbps.
C. A switch modifies the Ethernet frame to remove any
errors. A hub forwards the frame exactly as it
arrived.
D. A switch provides more bandwidth by sending
frames only out the port to which the destination
device is attached. A hub sends the frame out all
ports except the source port. *

17. 17
16. An Ethernet host receives a frame, calculates
the FCS, and compares the calculated FCS to
the FCS received in the frame. The host finds
that the two FCS values do not match. What
action will be taken by the host?
A. The host discards the frame. *
B. The host processes the data frame normally.
C. The host initiates a request for retransmission of the
frame.
D. The host sends the frame content to an upper layer
protocol for error recovery.

18. 18
17. Based on the graphic above, which of the following
occurs as each host system comes on line in the
topology?
A. The switch sends its MAC address to each host.
B. The switch adds MAC address to the MAC table as each host
sends a frame. *
C. Each host exchanges MAC addresses with each other.
D. The switch listens for data traffic to block since the switch
lacks an IP address.

19. 19
18. 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

20. 20
19. Which of the following are layers of the
TCP/IP model? (Choose three.)
A. Application *
B. Physical
C. Internet *
D. Network Access *
E. Presentation

21. 21
20. 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 *

22. 22
21. Refer to the following list. Choose the correct order of
data encapsulation when a device sends information.
1) segments
2) bits
3) packets
4) data
5) 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

23. 23
22. Refer to the exhibit. The switch and the hub have
default configurations, and the switch has built its CAM
table. Which of the hosts will receive the data when
workstation A sends a unicast packet to workstation
C?
A. workstation C *
B. workstations B and C
C. workstations B, C, and the E0 interface of the router
D. workstations B, C, D, E, F, and the E0 interface of the router

24. 24
23. Which networking devices use the MAC
address to make decisions? (Choose
two.)
(I) NIC
(II) bridge
(III) hub
(IV) switch
(V) repeater
Which two options are correct?
A. I and III
B. I and IV
C. II and III
D. III and V
E. II and IV *

25. 25
24. Which devices are primarily used to
extend cable segments within a collision
domain by regenerating the data
signals? (Choose two.)
(I) switch
(II) repeater
(III) router
(IV) bridge
(V) hub
Which two options are correct?
A. I and III
B. II and IV
C. II and V *
D. III and V
E. I and IV

26. 26
25. Which devices will create multiple
collision domains in an Ethernet
network? (Choose two.)
(I) NIC
(II) hub
(III) switch
(IV) router
(V) repeater
Which two options are correct?
A. I and III
B. III and IV *
C. II and III
D. III and V
E. I and IV

27. 27
26. A network administrator has a multi-floor LAN
to monitor and maintain. Through careful
monitoring, the administrator has noticed a
large amount of broadcast traffic slowing the
network. Which device would you use to best
solve this problem?
A. bridge
B. hub
C. router *
D. transceiver

28. 28
27. What will a bridge do if it receives a
frame with a MAC address that is not
within the table?
A. discard frame
B. ignore frame
C. send frame to appropriate port
D. send frame to all ports except source port *

29. 29
28. You are a network technician at UST. Your
newly appointed trainee wants to segment a
network. What devices would you advice him?
(Choose all that apply.)
A. Use switch and hub converter.
B. Use media converters.
C. Use switches. *
D. Use routers. *
E. Use bridges. *
F. Use repeaters.

30. 30
29. Which of the following is true about the
Ethernet FCS field?
A. It is used for error recovery.
B. It is 2 bytes long.
C. It is used for encryption.
D. It resides in the Ethernet trailer, not the
Ethernet header. *
E. None of the above

31. 31
30. What is the name of the method used in
Ethernet that explains how Ethernet
works?
A. TCP/IP
B. CSMA/CD *
C. CMDA/CS
D. CSMA/CA

32. 32
31. What is the bit length and expression
form of a MAC address?
A. 24 bits expressed as a decimal number
B. 24 bits expressed as a hexadecimal number
C. 36 bits expressed as a binary number
D. 48 bits expressed as a decimal number
E. 48 bits expressed as a hexadecimal number
*

33. 33
32. At Layer 2 of the OSI mode, which
component connects a host to the
network media?
A. Hub
B. Switch
C. Bridge
D. NIC *
E. Transceiver

34. 34
33. With which OSI layer is the term frame
associated?
A. Physical
B. Network
C. Session
D. Data Link *

35. 35
34. Which OSI layer is responsible for
logical addressing?
A. Data Link
B. Physical
C. Transport
D. Network *

36. 36
35. What portion of a MAC address is used
as a vendor code?
A. First 6 hexadecimal digits *
B. Last 6 hexadecimal digits
C. First 2 hexadecimal digits
D. None