Discuss issues related to security that affect the design and operation of information systems

Question 1 What is the name of a general control technique used to ensure that entered data is correct?

a.Data validation control

b.access control

c.Data acceptance control

d.Data completeness control Question

2 Each class on a class diagram is represented by a(n) ____ in a relational database.

a.attribute

b.row

c.table

d.column

Question 3 Which of the following is NOT a component or function of a typical database management system (DBMS)?

a.Low-level process management

b.End-user query processor

c.Application program interface

d.Administrative interface

Question 4 Every table in a relational database must have a foreign key.

a.True

b.false

Question 5 One-to-many and many-to-many relationships are both represented by foreign keys in a relational database.

a.True

b.False

Question 6 In a relational database, a row can be referred to as a(n) ____.

a.field

b.tuple

c.attribute

d.relation

Question 7 The primary purpose of integrity controls is to track external activity.

a.True

b. False

Question 8 The three objectives of integrity controls include the following, except:

a.Have correct business transactions

b.Record and process these transactions correctly

c.provide a recovery mechanism

d.Protect all assets of the organization

Question 9 A ________________is the information about the structure of the database, including the tables, the attributes, the keys, etc.

a.primary key

b.foreign key

c.RDBMS

d.schema

Question 10 A ____ database server architecture stores different parts of a database on different servers.

a..single

b.replicated

c.partitioned

d.cloud-based

A p-value is O The probability of rejecting the null hypothesis assuming that the null hypothesis is true. O The probability of rejecting the null hypothesis assuming that the null hypothesis is false. O The probability that the observed test statistic is statistically significant. O The probability of observing a test statistic at least as extreme as the observed test statistic assuming that the alternative hypothesis is true. O None of the aboveQUESTION 3 Personal probability is best understood as follows: O a. The probability of an event occurring using the best statistical models personally known to you. O b. The probability that you will know the exact chance of the event occurring. C. Your personal belief about the likelihood that an event will occur. Od. The probability of you correctly assigning a statistic to a chance event.QUESTION 7 The confidence level is denoted by 1 - a. a is On the probability that a confidence interval will contain the estimated population parameter. Ob. the probability that a confidence interval will not contain the estimated population parameter. the probability that a confidence interval will contain the sample statistic. Od. the probability that a confidence interval will not contain the sample statistic. QUESTION 8 The sample mean is an unbiased point estimator of the population mean. True False QUESTION 9 The larger the p-value, the more we doubt the null-hypothesis. True False Click Save and Submit to save and submit. Click Save All Answers to save all answers.QUESTION 19 The says that when many people are insured. the probability distribution of the losses will assume a normal probability distribution. 0 probability distribution theorm 0 law of large numbers 0 skewed normal statistic 0 universal probability theorm QUESTION 20 Health insurance companies attempt to reduce costs by . O A. using group policies 0 C. encouraging insured persons to use the ER 0 C. attempting to shift costs to the employer 0 Both A. and C. Question 7 (1 point) The standard deviation equals the square of the variance. True False Question 8 (1 point) Stating that two events are statistically independent means that the probability of one event occurring is independent of the probability of the other event having occurred. True False Question 9 (2 points) The expected value of a probability distribution is