ECSSv9 試験問題を無料オンラインアクセス

Which of the following is a characteristic of social media?

• A.Internet-based
• B.Shares information
• C.Both personal and business focus
• D.All of these answers are correct.

Symmetric encryption uses:

• A.A key for decryption, but no key for encryption.
• B.A key for encryption, but no key for decryption.
• C.The same key for encryption and decryption.
• D.Different keys for encryption and decryption.

A key is:

• A.The same for encryption and decryption in symmetric encryption.
• B.Different for encryption and decryption in asymmetric encryption.
• C.An external piece of information used in the encryption and decryption process.
• D.All of these answers are correct.

Which is considered the 'ethical' hacker?

• A.The black hat
• B.There is no such thing as an 'ethical hacker'.
• C.The white hat
• D.The grey hat

A _____ attack is a cyber attack where the attacker tries guessing system access credentials like passwords by trying different character combinations until a correct combination is identified.

• A.Phishing
• B.Malware
• C.Man-in-the-Middle
• D.Brute force