Related Questions

When two computers communicate with each other, they send information back and forth. If they are separated by a reasonable distance, they can send and receive the information through a direct cable connection which is called a null-modem connection. Presently what is the maximum distance in metres permitted in this null-modem connection?
A 80
B 100
C 30
D 150
E None of the above
..... that allows people to send telephone connection
A machines
B books
C workshops
D offices
Computers cannot communicate with each other directly over telephone lines because they use digital pulses whereas telephone lines use analog sound frequencies. What is the name of the device which permits digital to analog conversion at the start of a long distance transmission?
A Interface
B Modem
C Attenuation
D Teleprocessor
E None of the above
In a PC to telephone hookup for long distance communication, modem is connected between the telephone line and
A PC
B synchronous port
C crossover cable
D asynchronous port
E None of the above
What is the name of the software package that allows people to send electronic mail along a network of computers and workstations?
A Memory resident package
B Project management package
C Data communication package
D Electronic mail package
E None of the above
The type of internet connection might be compared to a regular telephone call, in terms of its duration:
A Baseband
B Broadband
C Dial up
D Satellite
............ software allows people to communicate over a network connection while seeing and hearing one another.
A Teleconferencing
B Videoconferencing
C Network operating system
D Server
Which of the following TCP/IP protocol allows an application program on one machine to send a datagram to an application program on another machine?
A UDP
B VMTP
C X.25
D SMTP
E None of the above
You need to configure a router for a Frame Relay connection to a non-Cisco router. Which of the following commands will prepare the WAN interface of the router for this connection?
A Router (config-if) #encapsulation frame-relay q933a
B Router (config - if) #encapsulation frame-relay ansi
C Router (config - if) #encapsulation frame-relay ietf
D Router (config - if) #encapsulation frame-relay cisco
In a room, all except 18 of the people are over 50 years of age. 15 of the people in the room are under 50 years of age. If 10% of the people are at the age of 50 years, how many people are in the room>
A 27
B 30
C 33
D 36

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