ImplementationCâu 43 / 100
Which type of encryption uses the same key to encrypt and decrypt data?
a.Asymmetric
b.Hashing
c.Symmetric
d.Steganographic
Giải thích
Symmetric encryption uses a single shared secret key for both encryption and decryption, such as AES. It is fast and suited to bulk data. The main challenge is securely distributing the shared key.
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Câu hỏi liên quan cùng chủ đề
- Which cryptographic method uses a public and private key pair?
- Which one-way function produces a fixed-length value that cannot be reversed to the original input?
- Adding a unique random value to each password before hashing to defeat precomputed attacks is called:
- Which entity in a PKI issues and signs digital certificates?
- Which mechanism lets a client quickly check whether a single certificate has been revoked?
- What does a digital signature primarily provide?
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Đội Ngũ Biên Tập PrepPass · Đối chiếu với CompTIA Security+ (SY0-701) · Quy trình kiểm tra