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Networking
Networking Miscellaneous
Quiz 15
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Q.1
You are working with a network that has the network ID 192.168.10.0. What subnet should you use that supports up to 25 hosts and a maximum number of subnets?
255.255.255.192
255.255.255.224
255.255.255.240
255.255.255.248
255.255.255.252
Q.2
Transmission of computerised data from one location to another is called
data transfer
data flow
data communication
data management
None of the above
Q.3
Compared to analog signals, digital signals
allow faster transmission
are more accurate
both A and B
All of the above
None of the above
Q.4
FDDI is a
ring network
star network
mesh network
bus based network
None of the above
Q.5
An anticipated result from multiprogramming operations is:
reduced computer idle time
the handling of more jobs
better scheduling of work
All of the above
None of the above
Q.6
Demodulation is a process of
converting analog to digital signals
converting digital to analog signals
multiplexing various signals into one high speed line signals
performing data description.
Q.7
Internet-like networks between a company and its business partners. Select the best fit for answer:
Bandwidth alternatives
Switching alternating
Inter organizational networks
Extranets
Q.8
A central computer surrounded by one or more satellite computers is called a
bus network
ring network
star network
All of the above
None of the above
Q.9
An example of an analog communication method is
laser beam
microwave
voice grade telephone line
All of the above
None of the above
Q.10
Which of the following layer protocols are responsible for user and the application programme support such as passwords, resource sharing, file transfer and network management?
Layer 7 protocols
Layer 6 protocols
Layer 5 protocols
Layer 4 protocols
None of the above
Q.11
What frequency range is used for FM radio transmission?
Very Low Frequency : 3 kHz to 30. kHz
Low Frequency : 30 kHz to 300 kHz
High Frequency : 3 MHz to 30 MHz
Very High Frequency : 30 MHz to 300 MHz
None of the above
Q.12
HMP (Host Monitoring Protocol) is:
a TCP/IP protocol used to dynamically bind a high level IP Address to a low-level physical hardware address
a TCP/IP high level protocol for transferring files from one machine to another.
a protocol used to monitor computers
a protocol that handles error and control messages
None of the above
Q.13
Which of the following is a voiceband channel?
Telephone line
Telegraph line
Coaxial cable
Microwave systems
None of the above
Q.14
Four routers have to be interconnected in a point-to-point Network. Each pair of root us may connected by a high-speed line, a medium speed line or a low speed line. Find the total number of topologies.
12
81
48
729
ARP.EXE
Q.15
An error-detecting code inserted as a field in a block of data to be transmitted is known as
Frame check sequence
Error detecting code
Checksum
flow control
None of the above
Q.16
The cheapest modems can transmit
300 bits per second
1,200 bits per second
2,400 bits per second
4,800 bits per second
None of the above
Q.17
A 8-Mbps token ring has a token holding timer value of 10 msec. What is the longest frame (assume header bits are negligible) that can be sent on this ring?
8000 B frame
80,000 B frame
8 x 10
5
bit frame
10,000 B frame
Q.18
Data are sent over pin _____ of the EIA-232 interface.
2
3
4
All of the above
Q.19
To connect a computer with a device in the same room, you might be likely to use
a coaxial cable
a dedicated line
a ground station
All of the above
Q.20
A network consists of eight NT servers. You are planning to move servers to different segments of your network, what utility should be used at each server to determine which server generates the most traffic?
NBTSTAT
NETSTAT.EXE
Performance Monitor
Network Monitor
ARP.EXE
Q.21
Sending a file from your personal computer's primary memory or disk to another computer is called
uploading
downloading
logging on
hang on
None of the above
Q.22
What is the name of the software package that allows people to send electronic mail along a network of computers and workstations?
Memory resident package
Project management package
Data communication package
Electronic mail package
None of the above
Q.23
Computers cannot communicate with each other directly over telephone lines because they use digital pulses whereas telephone lines use analog sound frequencies. What is the name of the device which permits digital to analog conversion at the start of a long distance transmission?
Interface
Modem
Attenuation
Teleprocessor
None of the above
Q.24
What is the usual number of bits transmitted simultaneously in parallel data transmission used by microcomputers?
16
9
8
4
None of the above
Q.25
The receive equalizer reduces delay distortions using a
tapped delay lines
gearshift
descrambler
difference engine
None of the above
Q.26
The _____ houses the switches in token ring.
transceiver
nine-pin connector
MAU
NIC
None of the above
Q.27
Which of the following is required to communicate between two computers?
communications software
protocol
communications hardware
access to transmission medium
All of the above
Q.28
Which of the following does not allow multiple users or devices to share one communications line?
doubleplexer
multipplexer
concentrator
controller
None of the above
Q.29
The communication mode that supports two-way traffic but only one direction at a time is
simplex
duplex
half duplex
multiplex
None of the above
Q.30
What device separates a single network into two segments but lets the two segments appear as one to higher protocols?
Switch
Bridge
Gateway
Router
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