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SEO for Desklib

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Added on  2019-09-25

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This article discusses SEO strategies for Desklib, an online library for study material. It includes a suggested title, meta title, meta description, slug, and summary. Additionally, it provides solutions to three cryptography problems.

SEO for Desklib

   Added on 2019-09-25

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1.Decrypt the following message shown below in exactly 70 characters per line (excepton the last line). nhjQHktQSktQUwSjQ?hjgQ,hjQMjx,QwqQ,hjQkgESkdQUMjk,EwgQSktQkUc.EMjQ,hwxjQMEPh,xQ?hEUhQgjejMQUw.dHQhkejQ jjgQ?E,hhwdHjgQqMwSQ,hjSQ .,Q tQ,hjQhkgHQwqQ,tMkggtVQnhjQmMjgUhQhkejQkdMjkHtQHExUwejMjHQ,hk,Q,hjQ dkUfgjxxQwqQ,hjQxfEgQExQgwQMjkxwgQ?htQkQh.SkgQ jEgPQxhw.dHQ jQk kgHwgjHQ?E,hw.,QMjHMjxxQ,wQ,hjQUkJMEUjQwqQkQ,wMSjg,wMVQG,QSktQwgjQHktQUwSjQ,wQ jQMjUwPgEYjHQ,hk,Q,hjQg.S jMQwqQdjPxyQ,hjQeEddwxE,tQwqQ,hjQxfEgyQwMQ,hjQ,jMSEgk,EwgQwqQ,hjQwxQxkUM.SQkMjQMjkxwgxQjc.kddtQEgx.qqEUEjg,QqwMQk kgHwgEgPQkQxjgxE,EejQ jEgPQ,wQ,hjQxkSjQqk,jVQvhk,QjdxjQExQE,Q,hk,Qxhw.dHQ,MkUjQ,hjQEgx.JjMk djQdEgjuQGxQE,Q,hjQqkU.d,tQwqQMjkxwgyQwMQJjMhkJxQ,hjQqkU.d,tQwqQHExUw.MxjuQ-.,QkQq.ddzPMw?gQhwMxjQwMQHwPQExQ jtwgHQUwSJkMExwgQkQSwMjQMk,EwgkdyQkxQ?jddQkxQkQSwMjQUwgejMxk djQkgESkdyQ,hkgQkgQEgqkg,QwqQkQHktQwMQkQ?jjfQwMQjejgQkQSwg,hyQwdHVQ-.,Qx.JJwxjQ,hjtQ?jMjQw,hjM?ExjyQ?hk,Q?w.dHQE,QkekEduQnhjQc.jx,EwgQExQgw,yQLkgQ,hjtQMjkxwguQgwMyQLkgQ,hjtQ,kdfuQ .,yQLkgQ,hjtQx.qqjMu2. Consider a mono-alphabetic substitution cipher (each character in the plaintext issubstituted by the same or another character to generate the ciphertext) applied on English words which usethe 26-character alphabet from a to z and no other characters. Assume the keys used by this cipher are 40bits in length. You may assume that each one of all possible plaintext-ciphertext mappings is equally likelyto be the mapping used by a key with this cipher. When using this cipher, what is the expected number ofdifferent keys which will result in the encryption of the 8-character plaintext tortoise into the 8-character
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