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Networking
Networking Miscellaneous
Quiz 1
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Q.1
ICMP (Internet Control Message 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.2
If you get both local and remote echoes, every character you type will appear on the screen
once
twice
three times
never
None of the above
Q.3
What part of 192.168.10.51 is the Network ID, assuming a default subnet mask?
192
192.168.10
0.0.0.5
51
None of the above
Q.4
Which of the following device is used to connect two systems, especially if the systems use different protocols?
hub
bridge
gateway
repeater
None of the above
Q.5
The synchronous modems are more costly than the asynchronous modems because
they produce large volume of data
they contain clock recovery circuits
they transmit the data with stop and start bits.
they operate with a larger bandwidth
None of the above
Q.6
A distributed network configuration in which all data/information pass through a central computer is
bus network
star network
ring network
Point-to-point network
None of the above
Q.7
How many hosts are attached to each of the local area networks at your site?
128
254
256
64
None of the above
Q.8
Which of the following is used for modulation and demodulation?
modem
protocols
gateway
multiplexer
None of the above
Q.9
Which of the following is not a disadvantage of wireless LAN?
Slower data transmission
higher error rate
interference of transmissions from different computers
All of the above
Q.10
Which of the following technique is used for fragment?
a technique used in best-effort delivery systems to avoid endlessly looping packets
a technique used by protocols in which a lower level protocol accepts a message from a higher level protocol and places it in the data portion of the low level frame
one of the pieces that results when an IP gateway divides an IP datagram into smaller pieces for transmission across a network that cannot handle the original datagram size
All of the above
None of the above
Q.11
Contention is
One or more conductors that serve as a common connection for a related group of devices
a continuous frequency capable of being modulated or impressed with a second signal
the condition when two or more stations attempt to use the same channel at the same time
a collection of interconnected functional units that provides a data communications service among stations attached to the network
None of the above
Q.12
Avalanche photodiode receivers can detect hits of transmitted data by receiving
100 photons
200 photons
300 photons
400 photons
None of the above
Q.13
The Internet Control Message Protocol (ICMP)
allows gateways to send error a control messages to other gateways or hosts
provides communication between the Internet Protocol Software on one machine and the Internet Protocol Software on another
reports error conditions to the original source, the source must relate errors to individual application programs and take action to correct the problem
All of the above
None of the above
Q.14
What is the first octet range for a class C IP address?
192 - 255
192 - 223
192 - 226
128 - 191
1 - 126
Q.15
Which utility is useful for finding the local host name?
NBTSTAT
Netstat
PING
Hostname
None of the above
Q.16
How many digits of the Network User Address are known as the DNIC (Data Network Identification Code)?
first three
first four
first five
first seven
None of the above
Q.17
Which of the following is the address of the router?
The IP address
The TCP address
The subnet mask
The default gateway
None of the above
Q.18
An international standard, multilevel set of protocols to promote compatibility among telecommunications networks. Select the best fit for answer:
Network Server
Virtual Private Network
Network operating system
OSI
None of the above
Q.19
Terminals are required for
realtime, batch processing, and timesharing
realtime, timesharing, and distributed processing
realtime, distributed processing, and manager inquiry
realtime, timesharing, and message switching
None of the above
Q.20
The interactive transmission of data within a time sharing system may be best suited to
simplex lines
half-duplex lines
full-duplex lines
biflex-line
None of the above
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
Networks that follow the 802.5 standard appear to be in a star topology but are actually operating in what type of topology?
Linear bus
Modified star
Modified ring
Ring
Hybrid hub
Q.23
The 802.5 standard implements a way for preventing collisions on the network. How are collisions prevented when using this standard?
CSMA/CD
Token passing
Collision detection
Time sharing
Switched repeaters
Q.24
A communication network which is used by large organizations over regional, national or global area is called
LAN
WAN
MAN
Intranet
None of the above
Q.25
RS-232-G
is an interface between two data circuit terminating equipment as examplified by a local and remote modem
is an interface standard between Data terminal Equipment and Data Circuit Terminating Equipment
specifies only the mechanical characteristics of an interface by providing a 25-pin connector
requires only 7 pin out of 25 in order to transmit digital data over public telephone lines
None of the above
Q.26
The most important part of a multiple DHCP configurations is to make sure you don't have which of the following in the different scopes? Select the best answer.
Duplicate addresses
Duplicate pools
Duplicate subnets
Duplicate default gateways
None of the above
Q.27
When a group of computers is connected together in a small area without the help of telephone lines, it is called
Remote communication network (RCN)
Local area network(LAN)
Wide area network (WAN)
Value added network (VAN)
None of the above
Q.28
Business meeting and conferences can be held by linking distantly located people through a computer network. Not only the participants exchange information but are able to see each other. What is it called?
Telemeeting
Telemailing
Teleconferencing
Teletalking
None of the above
Q.29
What frequency range is used for microwave communications, satellite and radar?
Low Frequency : 30 kHz to 300 kHz
Medium Frequency : 300 kHz to 3 MHz
Super High Frequency : 3000 MHz to 30000 MHz
Extremely High Frequency :30,000 MHz
None of the above
Q.30
A form of modulation In which the amplitude of a carrier wave is varied in accordance with some characteristic of the modulating signal, is known as
Aloha
Angle modulation
Amplitude modulation
modem
None of the above
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