Data Controls

Question 1

A ___ ___ uses public/private key encryption technology to provide a means of authenticating messages delivered in a networked environment.

Answer 1

digital signature

Question 2

The encryption technology itself is designed to provide ___, not ____.

Answer 2

security; authentication

Question 3

A ___ ___ is designed to detect errors in data transmission.

Answer 3

parity check

Question 4

A ___ ___ is an example of a check digit. A 0 or 1 included in a byte of information which makes the sum of bits either odd or even.

Answer 4

parity check

Question 5

“smart cards” that contain additional user identification information and must be read by an input device are an example of a ___ ___.

Answer 5

security tokens

Question 6

devices which provide “one-time” passwords that must be input by the user are an example of a ___ ___.

Answer 6

security token

Question 7

___ ___ ___ ___ are the use of several separate authentication procedures at one time (e.g., user name, password, one-time password and fingerprint)

Answer 7

multi-factor authentication procedures

Question 8

___ authentication procedures significantly enhance the authentication process.

Answer 8

Redundant

Question 9

What purpose do echo checks serve?

Answer 9

They verify that transmission between devices is accurate by “echoing back” the received transmission from the receiving device to the sending unit.

Question 10

What purpose do read-after-write checks serve?

Answer 10

They verify that data was written correctly to disk by reading what was just written and comparing it to the source.

Question 11

Why are “one-time” passwords used by an organization and how do these passwords work?

Answer 11

Used to strengthen the standard password by requiring access to a physical device which displays a new “one-time password” every 30-60 seconds.

Question 12

Deceptive requests for information delivered via email is called ___.

Answer 12

phishing

Question 13

___ ___ are program utilities that check the internal operations of hardware components.

Answer 13

diagnostic routines

Question 14

What purpose do logical access controls serve?

Answer 14

control electronic access to data via internal and external networks.

Question 15

Controls built into the computer equipment to ensure that data is transmitted and processed accurately are called ___ ___

Answer 15

hardware controls