4 3. Transposition Cipher: Use route cipher that will encrypt the text: 'SO FAR NOT A SNOWY WINTER'. What is the encrypted text? Use the following to create the route cipher key: i) Write the letters in a row of five ii) Use'+' to represent blank iii) Encrypt by starting spiraling inward from the top right moving clockwise [N.B. Your answer must include the grid] 4. If we quantize an audio signal using i) 8-bits and ii) 16-bits, then 16-bits quantization will require more space compared to the 8-bits quantization, why? 1