Page 26 - trackpad v5.1 class 8 flipbook
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3. Convert the following plain text into cypher text using the Rail Fence cipher according to the
encryption key that is given.
Rail Fence Cipher:
(a) Attack from the west, encryption key=3
(b) Be honest, encryption key = 2
Hint: The Rail Fence Cipher is a classical transposition technique where the plain text is written
diagonally in a zig-zag pattern across multiple rails. When the bottom rail is reached, the
writing direction switches upwards diagonally, and it changes again upon reaching the top,
creating a zig-zag effect.
CAREER HERE
People who are experts in computer networking may pursue their career as a Network Engineer.
FOR THE TEACHER
1. Discuss about Campus Area Network.
2. Explain the advantages and disadvantages of various topologies.
3. Demonstration of the working of a computer network would be helpful. Take the students to the Computer Lab to
be shown how resource and file sharing is executed.
24 Pro (V5.1)-VIII

