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NICs Network interface cards, commonly referred to as NICs are used to connect a PC to a network. The NIC gives a physical connection among the networking medium and the comput
ENTERPRISE NETWORKING 1. Explain that what is a cable? Classify different types of cables. 2. Elaborate switch? Write down the functionalities of switch. 3. Describe rout
What are the types of Transmission media? Signals are usually transmitted over some transmission media that are broadly divided in to two categories:- Guided Media: Th
Q. Use of Two-Layer Switch? - Performs at the physical as well as data link layer - A bridge with many ports designed for faster performance - Allocates unique port to ea
Ethernet Frame Fields Preamble - seven bytes of alternating 0s also 1s to notify receiver of incoming frame and to provide synchronization SFD (Start frame delimiter)
What is a protocol? The term protocol refers to a set of rules and process that govern the transmission of messages over a physical networking medium. The most common network p
What is WAN? A wide area network is defines a LAN of LANs. WANs connect LANs that might be on opposite sides of a building, across the country or around the world. WANS
Retransmission of packets The disadvantage of thronging away a correctly received packet is that the subsequent retransmission of the packet might be lost or garbled and
FORMAT OF HARDWARE ADDRESS: It have of a numeric value and its size is chosen for specific network technology. The length of the message format is one to six bytes.
QUESTION a) The aim of a computer network is to increase efficiency and reduce costs. Explain how networks of computers achieve the above. b) Describe the star topology. Su
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