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NEW QUESTION: 1
Note: This question is part of a series of questions that use the same scenario. For your convenience, the scenario is repeated in each question. Each question presents a different goal and answer choices, but the text of the scenario is exactly the same in each question in this series.
You have a database named Sales that contains the following database tables: Customer, Order, and Products.
The Products table and the Order table are shown in the following diagram.

The customer table includes a column that stores the data for the last order that the customer placed.
You plan to create a table named Leads. The Leads table is expected to contain approximately 20,000 records.
Storage requirements for the Leads table must be minimized.
You need to modify the database design to meet the following requirements:
* Rows in the Orders table must always have a valid value for the ProductID column.
* Rows in the Products table must not be deleted if they are part of any rows in the Orders table.
* All rows in both tables must be unique.
In the table below, identify the constraint that must be configured for each table.
NOTE: Make only one selection in each column.

Answer:
Explanation:

Explanation

A FOREIGN KEY in one table points to a PRIMARY KEY in another table. Here the foreign key constraint is put on the ProductID in the Orders, and points to the ProductID of the Products table.
With a check constraint on the ProductID we can ensure that the Products table contains only unique rows.
References:
http://www.w3schools.com/sql/sql_foreignkey.asp

NEW QUESTION: 2
Which two pieces of information can you learn by viewing the routing table? (Choose two )
A. whether a route was learned via IGP or EGP
B. whether a route was tagged
C. whether routes were summarized
D. whether access list are blocking incoming routes
E. the interface on which traffic is send
Answer: A,E

NEW QUESTION: 3
What is the percentage at which the False Rejection Rate equals the False Acceptance Rate called?
A. False Rejection Rate (FRR) or Type I Error
B. Failure to enroll rate (FTE or FER)
C. Crossover Error Rate (CER)
D. False Acceptance Rate (FAR) or Type II Error
Answer: C
Explanation:
Explanation/Reference:
Explanation:
The crossover error rate (CER) is a percentage that signifies the point at which the false rejection rate equals the false acceptance rate.
Incorrect Answers:
A: A Type I error, or false rejection rate, is when a biometric system rejects an authorized individual.
B: A Type II error, or false acceptance rate, is when the system accepts impostors who should be rejected.
D: The Failure to enroll rate is the rate at which attempts to create a template from an input is unsuccessful.
References:
Harris, Shon, All In One CISSP Exam Guide, 6th Edition, McGraw-Hill, 2013, p. 188
https://en.wikipedia.org/wiki/Biometrics