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Q. Describe about Packet Switching?
Packet Switching
- Data are transmitted in separate units
- Called Packet
- Packets are variable length blocks
- The max length of packet is established by network layer.
- Packet contains
- Data and
- Header with control info.
- According to the header info the packets are routed between nodes.
What are the disadvantages of bus topology? The disadvantages of bus topology are: a. The bus networks are dissimilar to reconfigure, especially when the acceptable number o
What is Multi-mode fiber Multi-mode fiber uses LEDs like the light-generating devices while single-mode fiber generally uses lasers. FDDI specifies the utilization of dual r
State the Disadvantages of adaptive routing process (1) The routing decision is more difficult; thus, the processing burden on network nodes enhances. (2) In most cases, ad
What are major types of networks and explain? Server-based network: Give centralized control of network resources and depend on server computers to give security and network
How an Ethernet Worked? The operation of Ethernet can be explained in simple terms as follows: Each computer on the Ethernet Network, also called as a node, operates indepen
Q. Explain about Twisted-Pair Cable? - Two conductors surrounded by insulating material - One wire utilize to carry signals and other used as a ground reference - Twistin
Q. Define the Backbone Networks? Backbone Networks - Allows several LANs to be connected - Non of station is directly connected to the backbone - Stations are part
Urgent Pointer This 16 bite which is valid only f the urgent flag is set is used when the segment contains urgent data. If defines the number that must be added t
Sending a message to a group multicast address is known as multicasting, and its routing algorithm is known as multicast routing.
Q. What do you mean by Substitutional Ciphers? Substitutional Ciphers Monoalphabetic Substitution Polyalphabetic Substitution - Transpositional - character
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