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Answer:
Option b Internet platforms
Explanation:
Internet is related to network infrastructure and also hardware and software platforms. Without network infrastructure that enable connectivity and communication between computers, the internet platform won't exist. Besides, the network also enable communication and interaction between users and application. And we need specific hardware and software to construct a functional internet service.
Answer:
chosen ciphertext
Explanation:
Chosen ciphertext attack is a scenario in which the attacker has the ability to choose ciphertexts C i and to view their corresponding decryptions – plaintexts P i . It is essentially the same scenario as a chosen plaintext attack but applied to a decryption function, instead of the encryption function.