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Quiz 3 Questions and Answers Essay

1. You are installing a network card in a computer that has several devices configured. There is a printer on LPT 1, a mouse on COM 1, a modem on COM 2, and a SCSI host adapter occupying IRQ 10. The computer also has a sound card using IRQ

5. If your network card supports IRQs 3 through 5 and 9 through 11, which of the following IRQs could you set it for in this computer?

IRQ7
IRQ3
IRQ10
None of these
IRQ4
IRQ5

2. A 100BaseVG network is build on a ______ topology with all computers attached to a hub

ring
mesh
all of these
star
bus

3. Your network is experiencing heavy traffic and signal attenuation due to long cable distances between computers.

Required Result:
Correct the signal attenuation problem.

Optional Desired Results:
Reduce the broadcast traffic that is present on your network. Filter the network traffic to reduce the number of frames transferred across the network.

Proposed Solution:
Install repeaters between distant segments. Install routers and configure them to filter broadcast traffic. Which results does the proposed solution produce?

The proposed solution produces the required result but does not produce any of the optional desired results.. The proposed solution produces the required result and produces only one of the optional desired results.. The proposed solution does not produce the required result.

The proposed solution produces the required result and produces both of the optional desired results.

None of these

4. In a Token Ring frame the ______ field indicates whether the frame is a token frame or a data frame.

none of these
Access Control
error checking
priority
media type

5. Cables attach the individual clients and serves to the MSAU that works like other ____________ hubs

switch
active
passive
bridge
none of these

6. A token is a special type of ____________ that circulates around a cable ring

data transmission
frame or packet
electrical signals
none of these
serial signals

7. Managing data on a network depends on traffic control. The set of rules that governs how network traffic is controlled is called:

Channels
Layers
Interface
Drivers.
Access Methods.

8. You are considering starting a training company that provides on-site classroom instruction to various businesses. Your service will include a temporary networked classroom environment. Assuming that the facilities do not have pre-installed wiring and that the classroom will use 10 or less computers, which topology would require the least equipment and be the easiest to set up and tear down. [Choose the best answer]

Star.
All of these
Ring.
Mesh
Bus.

9. With the demand-priority access method, the ____________ manage network access by doing round-robin searches for requests to send from all nodes.

none of these
users
routers
gateways
hubs

10. CSMA/CD is known as a ____________ access method because computers on the network compete for an opportunity to send data

poling
parallel
contention
sequential
priority

11. Ethernet can use several communication ____________ including TCP/IP

protocols
data paths
channels
applications
media

12. Typically, the hub of a 10BaseT network serves as a multiport ________.

13. The 100BaseTX topology runs on UTP Category ________ data-grade cable

5
1
2
4
3

14. Because single-segment 10Base2 Ethernet limits would be too confining for a large business, ____________ can be used to join Ethernet segments and extend the network to a total length of 925 meters (about 3035 feet).

none of these
4 repeaters
5 repeaters
2 repeaters
3 repeaters
5-4-3 rule
The thinnet 5-4-3 rule: 5 segments, 4 repeaters, and 3 populated segments 15. Wi-Fi Wireless networks use _________ access method.

Demand priority
Token Bus
CSMA/CA
CSMA/CD
Token Ring

16. Access methods prevent ____________ access to the media.

preemptive
None of these
slow
random
simultaneous

17. A standard ethernet network can combine as many as ____________ cable segments connected by four repeaters, but only three segments can have stations attached.

6
none of these
3
4
5

18. A 10Base5 topology is also referred to as ____________.

standard ethernet
802.3
Thicknet
all of these

19. Token passing is deterministic, meaning that a computer cannot force its way onto the network as it can in a ______ environment

CSMA/CD
Polling
Demand priority
CSMA/CA
Switching

20. Which type of network media-access method do IBM LANs with Multistation Access Units employ?

CSMA/CA.
CSMA/CD
Beaconing
Token passing.
None of these

21. The trailer of a packet contains the destination address

False
True

22. In the IBM implementation of Token Ring, a star-wired ring, the actual physical ring of cable is in the ________.

MSAU
all of these
none of these
hub
Repeater

23. When using the CSMA/CA access method, a computer waits until the network is quiet and then transmits its data. If two computers transmit at the same time, the data will collide and have to be re-sent. If two data packets collide, both will be destroyed.

False.
True

24. Ethernet relies on the ____________ access method to regulate traffic on the main cable segment

CSMA/CA
CSMA/CD
all of these
Token Ring
Demand Priority

25. MSAUs were designed to sense when a ________ fails and to disconnect from it.

Hub
Cable
NIC
Network
Computer CPU

26. Which access method is used, when each computer communicates only with a hub. The hub then controls the flow of data a. CSMA/CD
b. CSMA/CA.
c. Token Bus.
d. Token Ring
e. Demand priority

c only
a only
both c and d
e only
b only
d only

27. With data masses divided into _______, individual transmissions occur more frequently so that every computer on the network has more opportunities to transmit and receive data.

bits
messages
frames or packets
files
bytes

28. In a packet, the header usually contains an error-checking component called a CRC

True
False

29. Which access methods is used, when each computer must wait to receive a token before it can transmit data. Only one computer at a time can use the token. a. CSMA/CD
b. CSMA/CA.
c. Token Bus.
d. Token Ring
e. Demand priority

both c and d
c only
e only
d only
both a and b

30. A Token Ring network is an implementation of IEEE standard ____________.

802.4
802.2
802.11
802.5
802.3

31. Which of the following network access methods sends a signal indicating its intent to transmit data on the wire? [Choose the best answer]

CSMA/CD
Token passing.
Beaconing
CSMA/CA.
None of these

32. If you must configure a network for three mission-critical servers and want to provide a highly fault-tolerant cabling scheme, which topology would you implement? [Choose the best answer]

Star.
Bus.
Mesh
None of these
Ring.

33. With the token-passing access method, only one computer at a time can use the token; therefore, there are no _______.

broadcastings
contentions
collisions
all of these
collisions and contentions

34. A packet (frame) components are grouped into sections: _________.

CRC
data
header
all of these
trailer

35. When an IBM Token Ring network is full, adding another ____________ can enlarge the network

MSAU
all of these
repeater
Hub

36. With CSMA/CD, if there is data on the cable, no other computer may ____________ until the data has reached its destination and the cable is clear again

transmit and receive
none of these
receive
transmit

37. With more traffic on a CSMA/CD network, ____________ tend to increase, slowing the network down

broadcasting
all of these
transmissions
collisions
unicasting

38. Fast Ethernet is another name for the ____________ topology

100BaseX
all of these
100BaseFX
100BaseT4
100BaseT

39. The 10BaseT topology is an Ethernet network that uses _________ cable to connect stations

Coaxial
UTP and STP
STP
UTP
Fiber

40. Packets (Frames) may contain session-control codes, such as error correction, that indicate the need for a ______.

unicast
recall
stop transmission
retransmission
broadcast

41. Your network is experiencing heavy traffic and signal attenuation due to long cable distances between computers.

Required Result:
Correct the signal attenuation problem.

Optional Desired Results:
Reduce the broadcast traffic that is present on your network. Filter the network traffic to reduce the number of frames transferred across the network. P

roposed Solution:
Install repeaters between distant segments. Which results does the proposed solution produce?

The proposed solution produces the required result and produces both of the optional desired results. None of these
The proposed solution does not produce the required result.
The proposed solution produces the required result but does not produce any of the optional desired results.. The proposed solution produces the required result and produces only one of the optional desired results. Check with Prof

42. Which of the following is most likely the problem if the operating system is unable to detect the network card? (Choose the best answer)

Wrong frame type is set on the network card
Wrong IRQ is set on the network card
Wrong IRQ is set on the IDE controller card
Wrong protocol is bound to the network adapter

43. Wireless networks use _______ topology

mesh
all of these
star
bus
ring

44. In the demand-priority access method, transmissions are not ____________ to all other computers on the network

multicast
routed
unicast
all of these
broadcast

45. When a frame returns to its sending computer, that computer ____________ the frame and puts a new token back on the ring.

copies
writes
reads
removes
none of these

46. Every network interface card sees all packets sent on its segment, but it interrupts the computer only if the packet address matches its individual address

True
False

47. Typically, Ethernet is a baseband architecture that uses a _________topology

all of these
star
mesh
bus
ring

48. The maximum length of a 10BaseT segment is ____________ meters

138
1000
500
250
100


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