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EX0-105 · Question #120
EX0-105 Question #120: Real Exam Question with Answer & Explanation
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Question
Two friends want to exchange a confidential document by e-mail. They decide to use cryptography to protect the confidentiality of the document. To be able to encrypt alid decrypt the document they first exchange the key that is both used for encryption and decryption by phone. What type of encryption system is used by the two friends?
Options
- AAsymmetrical system
- BPublic Key Infrastructure (PKI)
- CSymmetrical system
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