CourseLover

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About CourseLover

Levels Tought:
Elementary,Middle School,High School,College,University,PHD

Expertise:
Algebra,Applied Sciences See all
Algebra,Applied Sciences,Architecture and Design,Art & Design,Biology,Business & Finance,Calculus,Chemistry,Engineering,Health & Medical,HR Management,Law,Marketing,Math,Physics,Psychology,Programming,Science Hide all
Teaching Since: May 2017
Last Sign in: 283 Weeks Ago
Questions Answered: 27237
Tutorials Posted: 27372

Education

  • MCS,MBA(IT), Pursuing PHD
    Devry University
    Sep-2004 - Aug-2010

Experience

  • Assistant Financial Analyst
    NatSteel Holdings Pte Ltd
    Aug-2007 - Jul-2017

Category > Communications Posted 25 Dec 2017 My Price 10.00

using CSMA/CA Carrier Sense Multiple Access

  • 802.11 is used for (WiFi) wireless LANs using CSMA/CA Carrier Sense Multiple Access with collision avoidance. Which of the following are true of CSMA/CA (Select all correct answers)?

    • -It can detect collisions
    • -It uses a link-layer acknowledgement/retransmission (ARQ) scheme
    • -Each station senses the channel before transmitting, and will only transmit if the channel is idle
    • -When a collision is detected, it will abort the first frame to enter the channel
    • -When a collision is detected, it will abort the lasst frame to enter the channel

Answers

(12)
Status NEW Posted 25 Dec 2017 12:12 PM My Price 10.00

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