« previous next »

Author Question: Physical layer standards govern ________. A) frame structure B) signaling C) both A and B D) ... (Read 127 times)

lracut11

  • Hero Member
  • *****
  • Posts: 536
on: Jul 7, 2018
Physical layer standards govern ________.
 
  A) frame structure
  B) signaling
  C) both A and B
  D) neither A nor B

Question 2

In ________, when a wireless host wishes to send, it first sends a message to the wireless access point asking for permission to send. When the access point sends back a response, the host sending the original message may transmit.
 
  All other hosts must wait.
  A) CSMA/CA+ACK
  B) CSMA/CA
  C) CSMA/CD
  D) RTS/CTS


SVictor

  • Sr. Member
  • ****
  • Posts: 365
Reply #1 on: Jul 7, 2018
Answer to Question 1

B

Answer to Question 2

D


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Recent studies have shown that the number of medication errors increases in relation to the number of orders that are verified per pharmacist, per work shift.

Did you know?

In 1835 it was discovered that a disease of silkworms known as muscardine could be transferred from one silkworm to another, and was caused by a fungus.

Did you know?

Eating carrots will improve your eyesight. Carrots are high in vitamin A (retinol), which is essential for good vision. It can also be found in milk, cheese, egg yolks, and liver.

Did you know?

Once thought to have neurofibromatosis, Joseph Merrick (also known as "the elephant man") is now, in retrospect, thought by clinical experts to have had Proteus syndrome. This endocrine disease causes continued and abnormal growth of the bones, muscles, skin, and so on and can become completely debilitating with severe deformities occurring anywhere on the body.

Did you know?

Elderly adults are living longer, and causes of death are shifting. At the same time, autopsy rates are at or near their lowest in history.

Examples of interventions for physical comfort Examples of interventions for physical comfort
Hurricane Structure Hurricane Structure
Cellulose structure Cellulose structure
Structure of hemoglobin, the oxygen-transporting protein of red blood cells. It consists of four glo Structure of hemoglobin, the oxygen-transporting protein of red blood cells. It consists of four glo
Inductive signaling during vulval development in C. elegans Inductive signaling during vulval development in C. elegans
Video: Multiple Sclerosis Animation

For a complete list of videos, visit our video library