Q.1
In a broad Sense, a railway track is an example of
Q.2
"BAUD" rate means
Q.3
Start and stop bits are used in serial communication for
Q.4
Unmodulated signal coming from a transmitter is know as
Q.5
How many Character per sec(7bits + 1parity) can be transmitted over a 2400 bps line if the transfer is synchronous (1 "Start" and 1 "stop" bit)?
Q.6
Which one of the following network uses dynamic or adaptive routing?
Q.7
Protocols are
Q.8
The method of communication in which transmission takes place in both directions, but only one direction at a time is called
Q.9
Error detection at the data link level is achieved by
Q.10
Error detection at a data link level is achieved by
Q.11
When the computer provides the manager with a multiple choice of possible answers, the prompting technique is
Q.12
Which of the following is a wrong example of network layer?
Q.13
The topology with highest reliability is:
Q.14
Which network topology is considered passive?
Q.15
If a firm wanted to transmit data from 1,000 punched cards to a remote computer, they would use a(n)
Q.16
Which address is the loopback address?
Q.17
Which of the following technique is used for encapsulation?
Q.18
You are working with three networks that have the network IDs 192.168.5.0, 192.168.6.0, and 192.168.7.0. What subnet mask can you use to combine these addresses into one?
Q.19
With an IP address set starting with 150, you currently have six offices that you are treating as subnets. Plans are in place to open 10 more offices before the end of the year. What subnet mask should you use to satisfy the needed number of subnets and maximize the number of hosts available at each site?
Q.20
Which of the following best illustrates the default subnet mask for a class A,B, and C Network?
Q.21
Modulation is the process of
Q.22
Devices interconnected by the LAN should include
Q.23
A machine that connects to two or more electronic mail systems and transfers mail messages among them is known as
Q.24
If digital data rate of 9600 bps is encoded using 8-level phase shift keying (PSK) method, the modulation rate is
Q.25
What are the data transmission channels available for carrying data from one location to another?
Q.26
On a class B network, how many hosts are available at each site with a subnet mask of 248?
Q.27
If delays are recorded as 10 bit numbers in a 50 router network, and delay vectors are exchanged twice a second, how much bandwidth per fill duplex line is occupied by the distributed routing algorithm?
Q.28
HOSTS file entries are limited to how many characters?
Q.29
Demodulation is the process of
Q.30
Which of the following statement is incorrect?
0 h : 0 m : 1 s