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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.
Categories of address forms: STATIC: In this type the hardware manufacturer gives permanent physical address to every network manufacturer and interface must ensure th
what role would you assign for Pentium iii, 500 MHz processor, 256 MB memory, 1o GB hard drive
what are the categories of LAN
Q. What is Boundary Level Masking? If mask numbers are either 255 or 0: Bytes in the IP address that correspond to 255 in the mask will be repeated in the subnet ma
IP plus port (IP on layer 3 and port on Layer 4 - In Encapsulation, socket base decision on Network Layer -Layer 3)
What is redirector? Redirector is software that intercepts file or prints I/O requests and changes them into network requests. This comes under presentation layer.
Q Illustrate Unipolar line coding? - Simplest method is inexpensive - Utilizes only one voltage level - Polarity is habitually assigned to binary 1 a 0 is represented by
What to do to connection with external communication For dealing with external communication, the Web server must have a static IP. Having a static IP could also be a problemat
Describe EBGP and IBGP?
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
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