212-81 무료 덤프문제 온라인 액세스

A real time protocol for verifying certificates (and a newer method than CRL).

• A.Registration Authority (RA)
• B.Public Key Infrastructure (PKI)
• C.Server-based Certificate Validation Protocol (SCVP)
• D.Online Certificate Status Protocol (OCSP)

Which of the following is used to encrypt email and create digital signatures?

• A.AES
• B.RSA
• C.SHA1
• D.DES

Which of the following acts as a verifier for the certificate authority?

• A.Directory management system
• B.Certificate Management system
• C.Certificate authority
• D.Registration authority

A symmetric block cipher designed in 1993 by Bruce Schneier. Was intended as a replacement for DES. Like DES it is a 16 round Feistel working on 64bit blocks. Can have bit sizes 32bits to 448bits.

• A.Skipjack
• B.MD5
• C.Blowfish
• D.Serpent

Manipulating individuals so that they will divulge confidential information, rather than by breaking in or using technical cracking techniques.

• A.Replay attack
• B.Side-channel attack
• C.Linear cryptanalysis
• D.Social engineering attack