Q.1
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?
Q.2
Which file transfer protocol uses UDP?
Q.3
Error detection at the data link level is achieved by?
Q.4
The size or magnitude of a voltage or current waveform is
Q.5
Which of the following network access standard is used for connecting stations to a circuit-switched network?
Q.6
To make possible the efficient on-line servicing of many teleprocessing system users on large computer systems, designers are developing
Q.7
Which of the following best describes the scopes on each DHCP server, in the absence of configuration problems with DHCP addresses, if you use multiple DHCP servers in your environment?
Q.8
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?
Q.9
The main difference between TCP and UDP is
Q.10
What operates in the Data Link and the Network layer?
Q.11
What is the name of the computer based EMMS that provides a common forum where users can check in at their convenience, post messages, actively exchange ideas and participate in ongoing discussions?
Q.12
A 4 KHz noise less channel with one sample ever 125 per sec is used to transmit digital signals. If Delta modulation is selected, then how many bits per second are actually sent?
Q.13
A 4 KHz noiseless channel with one sample every 125 per sec, is used to transmit digital signals. Find the bit rate (bits per second) that are sent, if CCITT 2.048 Mbps encoding is used.
Q.14
A network that requires human intervention of route signals is called a
Q.15
How can you see the address of the DHCP server from which a client received its IP address?
Q.16
You are working with a network that has the network ID 192.168.10.0. What subnet should you use that supports up to 12 hosts and a maximum number of subnets?
Q.17
What is the port number for POP3?
Q.18
Which of the following provides a storage mechanism for incoming mail but does not allow a user to download messages selectively?
Q.19
In a synchronous modem, the receive equalizer is known as
Q.20
Alex is required to provide information on how many people are using the network at any one time. Which network will enable him to do so?
Q.21
Which of the following statements is incorrect?
Q.22
Which application allows a user to access and change remote files without actual transfer?
Q.23
Parity bit is
Q.24
On a class C network with a subnet mask of 192, how many subnets are available?
Q.25
Ethernet and Token-Ring are the two most commonly used network architectures in the world. Jim has heard of the different topologies for networks and wants to choose the architecture that will provide him with the most options. Which of the following would that be? Choose the most correct answer.
Q.26
Now-a-days computers all over the world can talk to each other. Which is one of the special accessories essential for this purpose?
Q.27
Which of the following specifies the network address and host address of the computer?
Q.28
For connecting modem, a computer must be equipped with a port that conforms to the RS-232 standard of the Electronic Industries Association of America. What do the letters 'RS' stand for?
Q.29
Which of the following file retrieval methods use hypermedia?
Q.30
Which IP address class has few hosts per network?
0 h : 0 m : 1 s