EXIN
EX0-105 · Question #120
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…
The correct answer is C. Symmetrical system. See the full explanation below for the reasoning.
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
How the community answered
(38 responses)- A11% (4)
- B13% (5)
- C76% (29)
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