What command is used to hand up a MODEM when using the "AT Answer Command set"?

You are configuring a Windows 2000 Server computer as a Routing and Remote Access server for a Branch office. You discover that an incorrect driver was installed during the installation of the modem. You attempt to remove the modem by using Phone and Modem Options in Control Panel. After each attempt to remove the modem by using this method, the computer stops responding. You restart the computer again. You must install the correct driver for the modem as quickly as possible. What should you do?

A

Use the Add/Remove Hardware wizard to uninstall the modem. Restart the server

B

Shut down the server, remove the modem card, and restart the server. Shut down the server again, insert the modem card, and restart the server

C

Delete all references to modems in the registry

D

Run the Modem troubleshooter and remove the modem when prompted. Restart the server

E

None of above

Your Windows 2000 Server computer uses a non-Plug and Play ISA modem configured to use IRQ 5. You add a PCI modem and restart the computer. Device Manager reports an IRQ conflict between the two modems. Both modem are trying to use IRQ 5. You want to resolve the problem. What should you do?

A

Use Device Manager to change the IRQ for the original modem to IRQ 9

B

Use Device Manager to change the IRQ for the original modem to IRQ 10

C

Edit the CMOS settings on the computer to reserve IRQ 5 for non-Plug and Play devices

D

Edit the CMOS settings on the computer to reserve IRQ 10 for non-Plug and Play devices

E

None Of above

A smart modem can dial, hang up and answer incoming calls automatically. Can you tell who provides the appropriate instruction to the modem for this purpose?

A

Communications software

B

Error detecting protocols

C

Link access procedure (LAP)

D

Telecommunications

E

None of the above

What command is used to reset a MODEM when using the "AT Command Set"?

A

ATR

B

ATZ

C

DTR

D

DCE

E

None of the above

What command is used to hang up a MODEM when using the "AT Command set"?

A

ATZ

B

ATD

C

ATR

D

ATH

E

None of the above

Your modem does not respond when you try to dial out. You try another modem on another computer and get the same result. What is the most likely problem?

A

defective modem

B

defective computer

C

software bug

D

bad phone line

E

virus

What is the name given to the exchange of control signals which is necessary for establishing a connection between a modem and a computer at one end of a line and another modem and computer at the other end?

A

Handshaking

B

Modem options

C

Protocol

D

Duplexing

E

None of the above

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

MODEM শব্দটি তৈরি হয়েছে- i. Modulator এর Mo ii. Demodulator এর Dem iii. Demodulator এর Modem নিচের কোনটি সঠিক?

A

i ও ii

B

i ও iii

C

ii ও iii

D

i, ii ও iii

In the following question, two statements are given each followed by two conclusions I and II. You have to consider the statements to be true even ifthey seem to be at variance from commonly known facts. You have to decide which of the given conclusions, if any, follows from the given statements. Statements:
(I) Empty set is a subset of any set.
(II) A set is a subset of power set. Conclusion:
(I) Empty set is a power set.
(II) A set is a subset of power set.

A

Conclusion I follows

B

Conclusion II follows

C

Neither I nor II follows

D

Both I and II follows

What command is used to hand up a MODEM when using the "AT Answer Command set"?

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