_____________ is an eight wired connector which commonly used to connect computers on the local area networks ?
Modem.
R J- 45.
D C E.
C T S.
Which of the following performs modulation and de modulation?
fibre optic
satellite
coaxial cable
modem
Coaxial cables has conductors with ?
Equal resistance.
The same diameter.
both a and b.
A common axis.
The main difference between synchronous and asynchronous transmission is ?
The clocking is derived from the data in synchronous transmission.
The pulse height is mixed with the data.
The clocking is mixed with the data in asynchronous transmission.
The band width required is different.
____________________ is a protocol that allows a computer to use the Internet protocol with a standard voice-grade telephone line and a high-speed modem.
FTP
IP
SLIP
http
An example of digital rather than analog communication is :
DDD
DDS
WATS
DDT
The pattern of interconnection of nodes in a network is called____________
Protocol
Topology
Nodes
Communication
GSM:
Which transmission mode is used for data communication along telephone lines ?
Parallel.
Serial.
Synchronous.
Asynchronous.
Computers that act as shared repositories for files are called __________
File
File servers
database
None of these