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Ivan
4 years ago
8

P6. In step 4 of the CSMA/CA protocol, a station that successfully transmits a frame begins the CSMA/CA protocol for a second fr

ame at step 2, rather than at step 1. What rationale might the designers of CSMA/CA have had in mind by having such a station not transmit the second frame immediately (if the channel is sensed idle)?
Computers and Technology
1 answer:
Karo-lina-s [1.5K]4 years ago
8 0

Answer:

To avoid collision of transmitting frames.

Explanation:

CSMA/CA, carrier sense multiple access is a media access control protocol of wireless networks that allows for exclusive transmission of frames and avoidance of collision in the network. When a frame is not being sent, nodes listening for an idle channel gets their chance. It sends a request to send (RTS) message to the access point. If the request is granted, the access point sends a clear to send (CTS) message to the node, then the node can transmit its frame.

Many nodes on a wireless network are listening to transmit frames, when a frame is transmitting, the node has to wait for the access point to finish transmitting, so it sends a RTS message again to exclusively transmit a second frame.

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How can you relate the careers in Finance as BSIS students?
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3 years ago
Write a program and flowchart. The program should ask the user for the average temperature in each of the last 12 months. After
Afina-wow [57]

#First we define the variables to house the temperatures

#temp is an empty array that will be used to store the temperature

Temp = []

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print("Kindly enter the temperature here")

#the program enter loop to get the temperatures.

for x in range(months):  

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3 years ago
What conclusion can you draw from the heredity versus environment debate?
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3 years ago
Read 2 more answers
What subnet mask or CIDR notation would be required to maximize the host counts while still meeting the following requirements:
PolarNik [594]

Answer:

192.168.228.0 255.255.255.224

Explanation:

192.168.228.0 255.255.255.128

subnet mask: defines the host and the network part of a ip

CIDR notation : is the shortened form for subnet mask that uses the number of host bits for defining the host and the network part of a ip

For example: 192.168.228.0 255.255.255.128 has CIDR equivalent of 192.168.228.0\25

To have atleast 20 hosts

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x ≈5

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and 2^3 = 8 subnets

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1110000 to base 10 = 2^7 + 2^6 +2^5= 224

192.168.228.0 255.255.255.224

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3 years ago
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