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In broadcast topology there are further two types
1) SATELLITE\RADIO 2) RING TOPOLOGY
In a radio or satellite topology every computers are connected to each other via radio or satellite wave as given in the figure.
Figure: Satellite and Ring topologies:
In a ring topology every computer is connected to thorough a ring as given in the figure above.
802.11 WIRELESS LANs AND CSMA/CA: IEEE 802.11 is standard wireless LAN that needs radio signals at 2.4GHz. Its speed is 11Mbps. The older computers use radio signals at data
Question: (a) What is the major problem with public key encryption when compared to symmetric key encryption? (b) Consider the following protocol for communication between t
state the fundamental principles of 3gpp security
Question (a) Name 3 popular electronic mail access protocols? (b) i. What is DNS? ii. Briefly, describe what it does and how it works? iii. Why does DNS use a dist
Let me know the details of protocol tcp/ip
FRAGMENTATION One method is to limit datagram size to smallest MTU of any server. IP needs fragmentation i.e. datagrams can be divided into pieces to fit in network with small
Problem 1: Show what are the benefits of project quality management? • Customer satisfaction • Reduced cost • Increased competitiveness • Fulfilment of social and economic r
ADDRESS MASKS To identify receiver, network apply address mask to receiver address and calculate to network address in routing table. It can use Boolean 'and' to calculate the
types of firewall and backup
Explain in DES Data Encryption Standard : DES stands for Data Encryption Standard and is explained as follows: DES is at present the most widely used key cryptographic systems
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