Question 1 of 25
Hints left: 3
Q1
The _____ layer is the layer closest to the transmission medium.
Q2
Which of the following network access standard is used for connecting stations to a circuit-switched network?
Q3
After coding a document into a digital signal, it can be sent by telephone, telex or satellite to the receiver where the signal is decoded and an exact copy of the original document is made. What is it called?
Q4
Which of the following statement is incorrect?
Q5
Which of the following allows devices on one network to communicate with devices on another network?
Q6
The area of coverage of a satellite radio beam is known as
Q7
Devices on one network can communicate with devices on another network via a
Q8
The physical layer of a network
Q9
Which of the following medium access control technique is used for bus/tree?
Q10
Which of the following statement is incorrect?
Q11
Error detection at the data link level is achieved by?
Q12
A distributed data processing configuration in which all activities must pass through a centrally located computer is called a:
Q13
What is the minimum number of wires needed to send data over a serial communication link layer?
Q14
You are working with a class C network. You are required to configure it for five subnets, each of which will support 25 nodes. What subnet should you use?
Q15
A network designer wants to connect 5 routers as point-to-point simplex line. Then the total number of lines required would be
Q16
Bulletin board system
Q17
Which file transfer protocol uses UDP?
Q18
The size or magnitude of a voltage or current waveform is
Q19
A batch processing terminal would not include a
Q20
Which of the following is not a transmission medium?
Q21
Packet Switch Stream (PSS) was introduced in
Q22
Which of the following data transmission media has the largest terrestrial range without the use of repeaters or other devices?
Q23
An error detecting code is which code is the remainder resulting from dividing the bits to be checked by a predetermined binary number, is known as
Q24
What is the name of the device that connects two computers by means of a telephone line?
Q25
In OSI model, which of the following layer provides error-free delivery of data?