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MNSU CIS 440 Fall 2020 Quiz 4

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Quiz 4 given during Fall 2020 for CIS 440 at Minnesota State University, Mankato.
Kyle Peterson
Quiz por Kyle Peterson, atualizado more than 1 year ago
Kyle Peterson
Criado por Kyle Peterson mais de 3 anos atrás
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Resumo de Recurso

Questão 1

Questão
Cursors are created using the DECLARE statement.
Responda
  • True
  • False

Questão 2

Questão
What are the common threats to database security?
Responda
  • Disgruntled employees
  • Natural disasters
  • Technical failures
  • Poor physical security
  • b, c, and d
  • All of the above

Questão 3

Questão
Which law regulates the privacy and security of healthcare data?
Responda
  • HIPPA
  • FERPA
  • GLB
  • Patriot Act

Questão 4

Questão
Which law regulates privacy and security of student data?
Responda
  • HIPPA
  • FERPA
  • GLB
  • Patriot Act

Questão 5

Questão
The following method actually creates a new table when you insert data into a table.
Responda
  • INSERT INTO
  • SELECT INTO
  • UPDATE
  • None of the above

Questão 6

Questão
Which one of the following changes the structure of the database?
Responda
  • UPDATE
  • ALTER
  • CHANGE
  • RENAME

Questão 7

Questão
Unlike stored procedures, triggers are executed only when a user or application attempts to modify data.
Responda
  • True
  • False

Questão 8

Questão
Which one is the most common type of trigger?
Responda
  • AFTER
  • INSTEAD OF
  • CLR
  • BEFORE

Questão 9

Questão
What do triggers enforce?
Responda
  • Data integrity
  • Referential integrity
  • Business Rules
  • All of the above
  • a and b only

Questão 10

Questão
Which one of the following is not generally classified as "restricted data" in public organizations?
Responda
  • Aggregate crime incidence data
  • Social Security numbers
  • Identifiable human subject research data
  • Credit card data
  • None of the above as all are examples of restricted data

Questão 11

Questão
An organization should avoid disclosing an incidence of public data breach.
Responda
  • True
  • False

Questão 12

Questão
Which one of the following is NOT related to protecting data centers physically?
Responda
  • Video surveillance system
  • Environmental monitoring
  • Theft mitigation system
  • Firewalls

Questão 13

Questão
A special local network configuration designed to improve security by segregating computers on each side of a firewall is called _________.
Responda
  • Firewall perimeter
  • IDS
  • DMZ
  • Extranet

Questão 14

Questão
Which law is related to protecting credit card data?
Responda
  • HIPPA
  • FERPA
  • PCI-DSS
  • GLB

Questão 15

Questão
Which transaction property ensures that the schedule for the concurrent execution of several transactions should yield consistent results?
Responda
  • Atomicity
  • Consistency
  • Isolation
  • Durability
  • Serializability

Questão 16

Questão
Which one is a special DBMS table that contains a description of all the database transactions by the DBMS?
Responda
  • tempdb
  • master
  • scheduler
  • transaction log

Questão 17

Questão
If concurrency control is not maintained, which one of the following problems is least likely to occur?
Responda
  • Lost updates
  • Uncommitted date
  • Inconsistent retrievals
  • Database login issues

Questão 18

Questão
Which lock granularity is meant for a disk block of fixed size?
Responda
  • Table-Level
  • Database-Level
  • Page-Level
  • Field-Level

Questão 19

Questão
Which lock granularity is less likely to negatively affect concurrency of the database?
Responda
  • Database-Level
  • Table-Level
  • Field-Level
  • Page-Level

Questão 20

Questão
Which one of the following is NOT true about data lakes?
Responda
  • They are meant for primarily unstructured data.
  • They require schema on write.
  • They need distributed file system.
  • None of the above

Questão 21

Questão
Which one of the following is true about data warehouses?
Responda
  • They require schema on write.
  • They require schema on read.
  • They are schema-less.
  • They are key-value pairs.

Questão 22

Questão
Which one of the following statements is NOT true about data warehouses (DWs)?
Responda
  • They are historical repository of data.
  • They use normalization to reduce data duplication.
  • Batch updates are common with DWs.
  • They use the multi-dimensional cubes to store data.

Questão 23

Questão
The smallest detail in a warehouse is known as:
Responda
  • dimension
  • fact
  • grain
  • key-value pair

Questão 24

Questão
A historical data repository for marketing data:
Responda
  • data warehouse
  • data lake
  • data mart
  • metadata

Questão 25

Questão
Which one of the following is focused on consistent data definitions across an organization?
Responda
  • Master data
  • Metedata
  • Grain
  • Fact

Questão 26

Questão
The change of customer address is an example of the following type dimension in a DW.
Responda
  • SCD 0
  • SCD 1
  • SCD 2
  • SCD 25

Questão 27

Questão
The fact table maintains one-to-many relations with all the dimension tables in:
Responda
  • snowflake schema
  • star schema
  • galaxy schema
  • star cluster schema

Questão 28

Questão
Which module in the SQL Server is used for creating OLAP cubes?
Responda
  • SQL Server MDM
  • SQL Server Analysis Services
  • SQL Server Integration Services
  • SQL Server Data Transformation Services (DTS)
  • SQL Server Reporting Services

Questão 29

Questão
Which one of the following statements is INCORRECT?
Responda
  • If you are encrypting lots of data, you should encrypt the data using a symmetric key, and encrypt the symmetric key with an asymmetric key.
  • If you are encrypting lots of data, you should encrypt the data using an asymmetric key, and encrypt the asymmetric key with a symmetric key.
  • If you are encrypting lots of data, you should encrypt the data using a symmetric key, and encrypt the symmetric key with a symmetric key.
  • If you are encrypting lots of data, you should encrypt the data using an asymmetric key, and encrypt the asymmetric key with an asymmetric key.

Questão 30

Questão
Only full backups are available for the master database.
Responda
  • True
  • False

Questão 31

Questão
According to the rules of precedence, which of the following computations should be completed first?
Responda
  • performing additions and subtractions
  • performing multiplications and divisions
  • performing operations within parentheses
  • performing power operations

Questão 32

Questão
Which one of the following is NOT true about indexes?
Responda
  • Too many indexes can result in a slow database response.
  • When a table is updated, the indexes will need to be updated.
  • Indexes make the retrieval of data faster and efficient in most cases.
  • Indexes reside in the same file that has the associated table.

Questão 33

Questão
The top node of the B-tree index is called:
Responda
  • Leaf node
  • Root node
  • Index node
  • Intermediate node

Questão 34

Questão
Clustered indexes are NOT a good choice for the following attributes.
Responda
  • Attributes that are unique or contain many distinct values.
  • Attributes that need to be accessed sequentially.
  • Attributes that undergo frequent changes.
  • Attributes that are frequently used to sort the data retrieved from a table.

Questão 35

Questão
How many non-clustered indexes per table are allowed in SQL Server?
Responda
  • 1
  • 99
  • 999
  • Unlimited

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