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What are the drawbacks of wireless devices
One drawback is security. Every random delivery man who happens to be in building can listen on network. Another weakness is reliability. Wireless networks always make lots of errors. A third one is battery life, since maximum wireless devices tend to be mobile.
What are the two types of Transmission technologies, basis on which computer networks can be categorized? Broadly there are two types of transmission technology: 1. Broadc
Architecture of Cisco IOS software Cisco IOS might not applications like ms word,multimedia softwares. It is mainly for switching data packet and concentrated on switching p
5. Suppose that frames are 1250 bytes long including 25 bytes of overhead. Also assume that ACK frame are 25 bytes long. Calculate the efficiency of Stop-and-Wait ARQ in a system t
Firewalls After several security related internet newsgroups started overflowing with posts it becomes clear something hand to done to help secure networks. The first
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
Hardware difficulty It refers to the price of hardware logic like connectors, wires, switches, arbiter etc. that are required for execution of interconnection network.
What is Sliding Window? The sliding window is an abstract method that explains the range of sequence numbers that is the concern of the sender and receiver. In other words, he
FDDI Media FDDI signifies a 100 Mbps token-passing dual-ring LAN that uses a fiber-optic transmission medium. Even though it operates at faster speeds FDDI is similar to Tok
what is the use of route print?
modern technology in world of 21 century
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