Q.1
One important characteristic of the hub architecture of ARC-net is
Q.2
The basic Ethernet design does not provide
Q.3
Which of the following statement is incorrect?
Q.4
When you connect to an online information service, you are asked to provide some kind of identification such as your name, an account number and a password. What is the name given to this brief dialogue between you and the information system?
Q.5
Bus is
Q.6
Which of the following medium is used for broadband local networks?
Q.7
In cyclic redundancy checking what is the CRC?
Q.8
An example of digital, rather than analog, communication is
Q.9
How many OSI layers are covered in the X.25 standard?
Q.10
A band is always equivalent to
Q.11
What is the port number for HTTP?
Q.12
What is the loopback address?
Q.13
An ROP would be attached to a
Q.14
The most flexibility in how devices are wired together is provided by
Q.15
Who originally designed TCP/IP?
Q.16
The systematic access of small computers in a distributed data processing system is referred to as:
Q.17
The process of converting analog signals into digital signals so they can be processed by a receiving computer is referred to as:
Q.18
Which utility is an all-purpose tool for troubleshooting TCP/IP problems?
Q.19
In communication satellite, multiple repeaters are known as
Q.20
The frequency range : 300 kHz to 3 MHz is used for
Q.21
With an IP address of 201.142.23.12, what is your default subnet mask?
Q.22
Which of the following device is used with an X.25 network to provide service to asynchronous terminals
Q.23
A medium access control technique for multiple access transmission media is
Q.24
In OSI network architecture, the dialogue control and token management are responsibilities of
Q.25
Which of the following transmission systems provides the highest data rate to an individual device
Q.26
Which transmission mode is used for data communication along telephone lines?
Q.27
Who invented the modem?
Q.28
A smart modem can dial, hang up and answer incoming calls automatically. Can you tell who provides the appropriate instruction to the modem for this purpose?
Q.29
IEEE project 802 divides the data link layer into an upper _____ sublayer and a lower _____ sublayer.
Q.30
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 undeleted error?
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