Network & Telecom

Ques:- <B> and </B> tags display the enclosed text in
A. Italics
B. Center
C. Bold
D. Underlining
Recent Answer : Added by narendra On 2022-09-21 16:56:47:

C. Bold

Ques:- ______ lists can be created, using <OL> and </OL> tags.
A. Definition
B. Ordered
C. Unordered
D. All
Recent Answer : Added by FRED MNANGAT On 2022-03-09 16:35:26:

B

Ques:- Several networks, small and big all over the world, are connected together to form a Global network called the
A. Network
B. Internet
C. Intranet
D. Both a and b
Ques:- Most of the monitors have 4 : 3 width to height ration. This is called
A. Display ratio
B. Micro ratio
C. Aspect ratio
D. Monitor ratio
Ques:- Memory cycle time refers to the minimum period between _____ requests.
A. One by one
B. Two successive
C. Step by step
D. All
Recent Answer : Added by Admin On 2022-09-24 18:35:01:

B. Two successive

Ques:- Intranet connecting selected customers, suppliers and offices in addition to the internal personnel is called
A. Usenet
B. Extranet
C. Intranet
D. Internet
Recent Answer : Added by narendra On 2022-09-22 16:36:04:

B. Extranet

Ques:- Using the _____ along with speech recognition software can offer a completely new approach to input information into the computer.
A. Microphone
B. Micromike
C. Micropen
D. Microstick
Recent Answer : Added by narendra On 2022-09-22 16:36:06:

A. Microphone

Ques:- Local Area Network that allows their computers to share files, data, printers and other resources are called
A. Usenet
B. Extranet
C. Internet
D. Intranet
Ques:- Magnetic reader is an input device which reads a magnetic _____ on a card.
A. Letter
B. Strip
C. Dot
D. Line
Recent Answer : Added by narendra On 2022-09-22 16:35:51:

B. Strip

Ques:- Sometimes a web page may take longer time or may not load properly. Clicking on the refresh button, helps _____ the page faster.
A. Reload
B. Home
C. Back
D. Forward
Recent Answer : Added by narendra On 2022-09-22 16:35:49:

A. Reload

Ques:- The software which will convert the text into HTML code automatically is
A. SGML
B. Notepad
C. Netscape Navigator
D. Front page
Ques:- The application layer of a network
A. consists of software being run on the computer connected to the network
B. Establishes, maintain and terminates virtual circuits
C. Defines user’s port into the network
D. None of these
Recent Answer : Added by Admin On 2022-09-25 16:41:56:

B. Establishes, maintain and terminates virtual circuits

Ques:- The residual error rate is the
A. Probability that one or more errors will be detected when an error detection mechanism is used
B. Signal to noise ratio divided by the ratio of energy per bit to noise per hertz
C. Number of bit errors per twenty four hours of continuous operation on an asynchronous line
D. Probability that one or more errors will be undetected when an error detection scheme is used
Recent Answer : Added by Admin On 2022-09-25 16:39:07:

A. Probability that one or more errors will be detected when an error detection mechanism is used

Ques:- Which of the following protocol allows an application program on one machine to send a datagram to an application program on another machine?
A. SMTP
B. VMTP
C. X.25
D. UDP
Recent Answer : Added by Admin On 2022-09-25 16:43:20:

D. UDP

Ques:- A machine that connects two or more electronic mail systems and transfer mail messages among
A. Bridges
B. User agent
C. Gateways
D. Mail gateway
Recent Answer : Added by Admin On 2022-09-25 16:40:11:

D. Mail gateway

Ques:- What frequency range is used for micro-waves communication, satellite and radar?
A. Extremely high frequency : 30,000 MHz
B. Super high frequency : 3000 MHz to 30000 MHz
C. Medium frequency : 300 kHz to 3 MHz
D. Low frequency : 30 kHz to 300 kHz
Recent Answer : Added by Admin On 2022-09-25 18:58:35:

A. Extremely high frequency : 30,000 MHz

Ques:- The physical layer of a network
A. Constructs packets of data and sends them across the network
B. Controls error detection and correction
C. Defines the electrical characteristics of signals passed between the computer and communication devices
D. None of these
Recent Answer : Added by Admin On 2022-09-25 18:59:31:

C. Defines the electrical characteristics of signals passed between the computer and communication devices

Ques:- Different computers are connected to a LAN by a cable and
A. Telephone lines
B. Special wires
C. Interface card
D. Modem
Recent Answer : Added by Admin On 2022-09-25 16:44:17:

C. Interface card

Ques:- Fibre optics have maximum segment
A. 100m
B. 200m
C. 500m
D. 2000m
Recent Answer : Added by Admin On 2022-09-25 16:41:09:

D. 2000m

Ques:- If a class B network on the internet has a subnet mask of 255.255.248.0, what is the maximum number of hosts per subnet?
A. 2046
B. 2047
C. 1022
D. 1023
Recent Answer : Added by Admin On 2022-11-12 09:05:32:

A. 2046

Ques:- HTML (Hyper Text Markup Language) has language elements which permit certain actions other than describing the structure of the web document. Which one of the following actions is NOT supported by pure HTML (without any server or client side scripting) pages?
A. Display the client time as part of the page
B. Automatically redirect to another page upon download
C. Refresh the page automatically after a specified interval
D. Embed web objects from different sites into the same page
Recent Answer : Added by Admin On 2022-09-25 16:48:08:

A. Display the client time as part of the page

Ques:- An example of a protocol converter counter value is
A. ACK/NAK count
B. ACK/NAK delay
C. Bit delay
D. Data rate
Recent Answer : Added by Admin On 2022-09-25 16:49:56:

A. ACK/NAK count

Ques:- In X.25 network layer protocol, the data packets normally contain
A. One octet of header plus data
B. Two octets of header plus data
C. Three octets of header plus data
D. Four octets of header plus data
Ques:- How does packet Burst affect network performance?
A. It helps in secure communication
B. It helps in error control
C. It increases network bandwidth
D. It increases speed at which packets are distributed
Recent Answer : Added by Admin On 2022-09-25 16:53:29:

C. It increases network bandwidth

Ques:- The main purpose of a data link content monitor is to
A. Detect problems in protocols
B. Measure bit error rates
C. Determine the type of transmission used in a data link
D. Determine the type of switching used in a data link
Recent Answer : Added by Admin On 2022-11-12 09:16:03:

A. Detect problems in protocols

Ques:- Two computers that communicate with each other use a simple parity check to detect errors for ASCII transmissions. Which of the following events will always lead to an undetected error?
A. Two bits or any even number of bits inverted in a byte during transmission
B. One bit or any odd number of bits inverted in a byte during transmission
C. Two bits or any even number of bits inverted in a block during transmission
D. One bit or any odd number of bits inverted in a block of data during transmission
Recent Answer : Added by Admin On 2022-09-25 19:13:45:

D. One bit or any odd number of bits inverted in a block of data during transmission

Ques:- The network operating system that does not support symmetric multi-processing (SMP) is
A. Banyan (VINES)
B. Novell network 3.X
C. SCO unix
D. Microsoft NT advanced server
Recent Answer : Added by Admin On 2022-09-25 16:55:43:

B. Novell network 3.X

Ques:- A networks that requires human intervention to route signals is called
A. Star networks
B. Ring networks
C. T-switched networks
D. Bus networks
Recent Answer : Added by Admin On 2022-09-25 16:54:36:

C. T-switched networks

Ques:- Two computers that communicate with each other use a simple parity check to detect errors for ASCII transmissions. Which of the following events will always lead to an undetected error?
A. Two bits or any even number of bits inverted in a byte during transmission
B. One bit or any odd number of bits inverted in a byte during transmission
C. Two bits or any even number of bits inverted in a block during transmission
D. One bit or any odd number of bits inverted in a block of data during transmission
Recent Answer : Added by Admin On 2022-09-25 16:56:40:

C. Two bits or any even number of bits inverted in a block during transmission

Ques:- Communications software package enable users to access services such as
A. Electronic mail
B. Electronic bulletin boards
C. Video channels
D. Both (a) and (b)
Recent Answer : Added by Admin On 2022-09-25 17:02:01:

D. Both (a) and (b)

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