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802.11 DSSS
a) Direct sequence spread spectrum in a 2.4 GHz band
b) Each bit is replaced by a sequence of bits called a chip code, implemented at the physical layer
c) Sender splits each byte of data into several parts and sends them concurrently on different frequencies
d) Data rate is 1 or 2 Mbps
Address is a full unique identifier. Connectionless delivery needs address on every packet. Connection-oriented delivery may use a short hand that shows the connection rather th
Recognize the two commands that copies the configuration in NVRAM to RAM Ans) a) Copy startup-config running-config b) Configure memory
a) Consider a hypothetical arrangement of ‘self-learning' bridges shown in the figure below. Assuming all are initially empty, give the forwarding tables for each of the bridges B
Question: a) List three characteristics and two potential problems of a peer-to-peer environment. b) List three characteristics and two potential problems of a client/
Transmission Control Protocol - TCP is a connection oriented transport layer protocol with built unreliability. It considers a large block of data and breaks it down into segments
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Network Layer and Routing As discussed in previous chapters the physical layer provides connection sand services to the data link layer while the data link layer is
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