This topic contains a solution. Click here to go to the answer

Author Question: Transmission of information in a communications link is defined by three protocol techniques: half ... (Read 30 times)

Melani1276

  • Hero Member
  • *****
  • Posts: 516
Transmission of information in a communications link is defined by three protocol techniques: half duplex, full duplex, and __________.
 
  A. asynchronous
  B. framing
  C. simplex
  D. synchronous

Question 2

What is the primary function of the private branch exchange (PBX)?
 
  A. Switching one telephone line to another
  B. To meet the increasing demands of data transmission
  C. To meet the economic objectives of providing service
  D. To maintain order during the interchange of data



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

trampas

  • Sr. Member
  • ****
  • Posts: 320
Answer to Question 1

C

Answer to Question 2

A




Melani1276

  • Member
  • Posts: 516
Reply 2 on: Jul 28, 2018
:D TYSM


meganmoser117

  • Member
  • Posts: 303
Reply 3 on: Yesterday
Excellent

 

Did you know?

The first successful kidney transplant was performed in 1954 and occurred in Boston. A kidney from an identical twin was transplanted into his dying brother's body and was not rejected because it did not appear foreign to his body.

Did you know?

Dogs have been used in studies to detect various cancers in human subjects. They have been trained to sniff breath samples from humans that were collected by having them breathe into special tubes. These people included 55 lung cancer patients, 31 breast cancer patients, and 83 cancer-free patients. The dogs detected 54 of the 55 lung cancer patients as having cancer, detected 28 of the 31 breast cancer patients, and gave only three false-positive results (detecting cancer in people who didn't have it).

Did you know?

Blastomycosis is often misdiagnosed, resulting in tragic outcomes. It is caused by a fungus living in moist soil, in wooded areas of the United States and Canada. If inhaled, the fungus can cause mild breathing problems that may worsen and cause serious illness and even death.

Did you know?

Calcitonin is a naturally occurring hormone. In women who are at least 5 years beyond menopause, it slows bone loss and increases spinal bone density.

Did you know?

More than 2,500 barbiturates have been synthesized. At the height of their popularity, about 50 were marketed for human use.

For a complete list of videos, visit our video library