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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.
Mesh It is of two dimensional network. In this every processing elements are arranged in a two dimensional grid. The processor are in rows i and column j are denoted by PEi
I NTRODUCTION Reliability prediction is an important method for evaluating a system design, right from its conceptual stage through development and manufacture and al
..internetworking devices
Question: Wireless Access points have been known to have various security vulnerabilities that can lead to breach of Secured wired networks. IEEE 802.11 standards have identifi
Question 1 A) Explain briefly the advantages wireless communication systems B) What is a cellular network? Question 2 Explain fundamental architecture of
Q. What are the Error Correction Techniques ? Error Correction Error Correction Techniques Retransmission Forward Error Correction Burst Error Corre
Q. Show about Alternate mark inversion? Bipolar AMI - Neutral, zero voltage represents binary 0 - Binary 1s symbolized by alternating positive and negative voltages
Q. How two adjacent layers communicate in a layered network or what do you understand by Service Access Point? Ans: In layered network, each layer has several entities and enti
Network Topologies Topology is study of the arrangement or mapping of the elements links nodes etc, of a network especially the physical and logical inter connections bet
What is Frequency diversity Due to the transmission is spread out over a larger bandwidth, frequency-dependent transmission impairments, like as noise bursts and selective fadi
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