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Answer:d) Mono-alphabetic substitution rules
Explanation: Poly-alphabetic cipher is the cryptography that is done by using the many alphabets in substitutional way. They are supposed to have a good security because they use cipher text alphabets for the encryption and then decrypts it.
Substitution of the alphabets is done by the rule of the mono-alphabetic substitution rules.Other given options are incorrect because they are not used in the cryptography of the alphabetic cipher. Thus option (d) is the correct answer.
Answer: (B) Configure the cluster networks
(C) Configure the quorum model
Explanation:
When the fail-over cluster has been created then, configure the cluster network and quorum model tasks performed during configuring the fail-over cluster.
The quorum model are flexible in the window server. We can configure the quorum model when we need to modified the quorum model configuration for the cluster. The software cluster are automatically configure quorum model for the new cluster that is based on the availability of the share storage.
When configuring the fail-over cluster we can perform various cluster network tasks in the system.
