Related Questions

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
If we want to connect a few computers in a small office, all the computers in one building, or all the computers in several buildings in close proximity, which type of network is required?
A PAN
B LAN
C MAN
D SAN
Consider that 5 computers are connected through mesh topology in a computer network. What are the number of connection lines nende if we want to add 2 more computers in the network?
A 9
B 11
C 13
D 15
City High School must put together a debating team consisting of four debaters.There are candidates of equal ability : X,Y and Z who are all seniors; and A,B,C and D who are all juniors..The school requires that there should be two seniors and two juniors in the team.It is also necessary that all of the debaters be able to work with one another. *Debaters Y and A cannot work together. *Debaters Z and C cannot work together. *Debaters A and B cannot work together. which of the following statements must be false? 1.Debaters Y and C are never selected together. 2.Debaters Z and D are never selected together. 3.Debaters Z and D are never selected together.
A Only I
B Only II
C Only III
D All of these
Many large organizations with their offices in different countries of the world connect their computers through telecommunication satellites and telephone lines. Such a communication network is called
A LAN
B WAN
C ECONET
D EITHERNET
E None of the above
Sales persons and other employees of the company who spend much of their time away from their offices but keep in touch with their company's microcomputers or main frame computers over telephone lines are called
A field workers
B telecommuters
C teleprocessors
D company directors
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
In a shipment of computers, 1% of the computers are defective. What is the ratio of defective to non-defective computers?
A 1 : 200
B 1 : 100
C 1 : 99
D 99 : 1
You are the network administrator for your company. Mike Nash is a member of the Administration group, and Nate Sun is a member of the Intern group. Both groups are in the same domain. On the intranet server, the Administration group is placed in the Security group, and the Intern group is placed in the Nonsecurity group. The Security group is then granted Full Control permission for the Sales virtual directory. Nate needs to update new sales information that is located on the Sales virtual directory. What should you do so that Nate can perform this task?
A Enable Anonymous access for the intranet server
B Enable Anonymous access for the Sales virtual directory
C Remove Nate fmm the Intern group
D Make Nate a member of the Security group
E None of above
Markets in which transactions are done through computers and telephone without any specific location are classified as
A past counter market
B future counter market
C over counter markets
D capital counter market

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