Data Communications 2 Test 9

Question 42. Which answer is not only correct but most complete. X.509 is the name of a corporation, describes a certificate and

a) is a standard.
b) is a standard in the X.500 series of standards of the CCITT.
c) is a standard in the X.500 series of standards of the now renamed CCITT a standards making body now called the ITU-T.
d) is a standard in the X.500 series of standards of the ITU-T.

Right or wrong? . You took tries.

Question 43. Which statement best describes the relationship between PGP and RSA?

a) PGP and RSA are both cryptography algorithms.
b) RSA is a cryptography algorithm, PGP uses RSA.
c) RSA is a cryptography algorithm, PGP may use RSA, PGP always uses a secret key cryptosystem.
d) RSA should always be used, PGP is a system that uses RSA, other cryptographic algorithms are easily broken.

Right or wrong? . You took tries.

Question 44. A firewall does what?

a) Prevents computer room fires by stopping the spread.
b) Prevents eaves droppers viewing a firms world wide web pages while in transit over the Internet.
c) Enables a web browser to ensure the authenticity of the identity claimed by a web server.
d) Can be set to prevent a firms computer users from using computers outside the firewall.

Right or wrong? . You took tries.

Question 45. A server certificate does what?

a) Limits access.
b) Prevents eaves droppers viewing a firms world wide web pages while in transit over the Internet.
c) Enables a web server to ensure the authenticity of the identity claimed by a web browser.
d) Can be set to prevent a firms computer users from using computers outside the firewall.

Right or wrong? . You took tries.

Question 46. A client certificate does what?

a) Limits access.
b) Prevents eaves droppers viewing a firms world wide web pages while in transit over the Internet.
c) Enables a web server to ensure the authenticity of the identity claimed by a web browser.
d) Can be set to prevent a firms computer users from using computers outside the firewall.

Right or wrong? . You took tries.