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Q. What do you mean by Substitutional Ciphers?
Substitutional Ciphers
Monoalphabetic Substitution
Polyalphabetic Substitution
- Transpositional - characters retain their plaintext form but change their positions to create ciphertext.
- Text is organized into a two-dimensional table and columns are interchanged according to a key.
- Character frequencies are still preserved, however.
What is the disadvantage of a star topology? One major drawbacks of star topology is that once the central hub or switch get damaged, the whole network becomes unusable.
10Base5 Connectors Transceiver - intermediary device as well called a medium attachment unit (MAU) Performs CSMA/CD function may perhaps contain small buffer Atta
Can you define the method of demilitarized zone?
In communication weakening or loss of signal energy, typically caused by distance
Fixed version of rdt 2.0 rdt 2.1 The rdt 2.1 sender and receiver FSM each now have twice as many states as before. This is because the protocols state must now refle
Access Networks and Physical Media Access networks are the physical links(S) that connect an end systems to its edge router. Which is the first router on a path fr
The following DNA sequences are extracted from promoter region of genes which are co-regulated by the same transcription factor (TF). The nucleotide segments capitalized in the giv
In connectionless schema, there is no connection required. The source of data includes destination information in data and transmit to the network. Network transmit each data item
Can you define the difference among trusted and untrusted networks?
Modulation and DeModulation
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