312-50

312-50 practice questions, page 10 of 25, with answer review and explanations.

Question 46

Which of the following is a symmetric cryptographic standard?

  1. DSA
  2. PKI
  3. RSA
  4. 3DES

Question 47

A computer science student needs to fill some information into a secured Adobe PDF job application that was received from a prospective employer. Instead of requesting a new document that allowed the forms to be completed, the student decides to write a script that pulls passwords from a list of commonly used passwords to try against the secured PDF until the correct password is found or the list is exhausted. Which cryptography attack is the student attempting?

  1. Man-in-the-middle attack
  2. Brute-force attack
  3. Dictionary attack
  4. Session hijacking

Question 48

Which property ensures that a hash function will not produce the same hashed value for two different messages?

  1. Collision resistance
  2. Bit length
  3. Key strength
  4. Entropy

Question 49

How can telnet be used to fingerprint a web server?

  1. telnet webserverAddress 80 HEAD / HTTP/1.0
  2. telnet webserverAddress 80 PUT / HTTP/1.0
  3. telnet webserverAddress 80 HEAD / HTTP/2.0
  4. telnet webserverAddress 80 PUT / HTTP/2.0

Question 50

Low humidity in a data center can cause which of the following problems?

  1. Heat
  2. Corrosion
  3. Static electricity
  4. Airborne contamination