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What is the difference between CSMA/CD and CSMA/CA?
CSMA/CD, or Collision Detect, retransmits data frames when a collision occurred. CSMA/CA, or Collision Avoidance, will first broadcast intent to send prior to data transmission.
It's a Hybrid device that joins the features of both bridges and routers.
802.11 CSMA/CA a) Wait a DIFS time to avoid collision b) Send RTS and wait for CTS reply to obtain the use of the Medium (air) c) Use of SIFS time for control informatio
Is personal firewall actually firewalls?
The Common method for writing a program with PVM is as follows: A user writes one or more sequential programs in C, C++, or Fortran 77 having embedded PVM function (or subroutin
The grouped SQL statements are known as Transactions (or) A transaction is a collection of actions embused with ACID properties.
Q. Show the Traffic profiles? Constant-bit-rate traffic - ADR=PDR No MBS Variable-bit-rate traffic ADR != PDR Small MBS Bursty traffic
Single-cell wireless LAN All of the wireless end systems are within range of a single control module. Multiple-cell wireless LAN: there are many control modules interlinked by
Q. Illustrate Stop-and-Wait Automatic Repeat request? - Simplest flow as well as error control mechanism - The sending device keeps a duplicate copy of the last frame transm
Describe in detail with example how data fragmentation works?
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