What is the modem hang up command?

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What is the modem hang up command?

1.ATHU

2.ATH

3.ATZ

4.ATX

Posted Date:-2021-02-20 05:32:12

More MCQS Questions and answers

  1. In laser technology, what happens during the transfer stage?
  2. What would you ask to determine if the display is working?
  3. _____ is the term used to refer to the process of two modems establishing communications with each other
  4. A customer attached an external drive to his notebook computer but the computer is not recognizing it. What should be considered?
  5. COM1 is typically represented by which of the following?
  6. In the Binary numbering system, a (1) represents a jumper being shorted and a (0) represents a jumper being open. On a three-bit jumper block on a SCSI drive, how would an ID of logical 3 be set?
  7. What can you use to ensure power is not interrupted, resulting in corrupted data?
  8. __ help prevent power surges.
  9. 14.4 modem should transmit _____ bits per second
  10. A 25-pin female connector on the back of your computer will typically be:
  11. A 6xx indicates a problem with the:
  12. A capacitor is measured in which of the following units?
  13. A dialog box with a bomb appears on a Macintosh screen. What type of problem has occurred?
  14. A hard disk is divided into tracks which are further subdivided into
  15. A sound card typically uses which IRQ?
  16. A system has two IDE hard drives that are each divided into primary and extended partitions, which drive letter is assigned to the primary partition of the second drive?
  17. A workstation has just been installed on an Ethernet LAN, but cannot communicate with the network. What should you check first?
  18. After installing a sound card, the system locks up when a parallel port tape backup unit is also used. What is most likely the problem?
  19. An IRQ allow interface cards to:
  20. Capacitance is measured in units of:
  21. During preventative maintenance on a dot matrix printer, do NOT lubricate:
  22. Which common bus specification provides the fastest data transfer rate?
  23. Modems use transmission.
  24. One of the major components of a PC is the Central Processing Unit (CPU) which can be best described as:
  25. Suppose that the power lamp in on, but the printer will not print. What can you do to correct the problem?
  26. The ATAPI compliance is stands for?
  27. The DC voltage on most circuit boards is:
  28. The ESD wrist strap is designed to protect PC Components or Service Technicians ?
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  31. Type one PC cards:
  32. UART is a type of serial chip. Its letters stand for:
  33. What can you use to ensure power is not interrupted, resulting in corrupted data?
  34. What device protects against line deficiencies?
  35. What expansion types do most pll/plll motherboards support?
  36. What is the i/o address for com2?
  37. What is the modem hang up command?
  38. What is the paper feeding technology most commonly associated with dot-matrix printers?
  39. When installing an internal modem, all of the following IRQ's can be used except?
  40. When not in use, it is very important to keep 5 1/4 diskettes in _____.
  41. Which monitor would provide the highest level of performance?
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