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MIS
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Questions
19
Answers
1
PaaS service model offers virtual machines, storage, and networks?
False
True
2
Which of the following is a type of relationship in ER diagrams?
All of the above
Many-to-many
One-to-one
One-to-many
3
The relation schema of a database refers to:
The physical storage
The data entries
The structure or design of the database
The programming language used
4
How many mandatory attributes do we have?
7
6
8
5
5
How to create a condition in SQL
FROM
HAVING
WHERE
SELECT
6
Software as a Service (SaaS) provides:
Operating systems only
Full control over the hardware
Software applications accessible via the internet
Raw infrastructure
7
Which of the following is NOT a benefit of cloud computing?
High upfront capital investment
Flexibility
Scalability
Cost efficiency
8
How many optional attributes do we have?
3
1
0
2
9
Which type of database model uses tables to represent data and relationships?
Hierarchical model
Relational model
Network model
Object-oriented model
10
primary key is used to uniquely identify each record
False
True
11
Which of the following best describes cloud computing?
On-demand delivery of computing services over the internet
Manual software installation
Hosting websites on personal computers
Local storage of data
12
Which deployment model offers cloud services for a single organization?
Community cloud
Hybrid cloud
Public cloud
Private cloud
13
First name is the unique identifier in the following
True
False
14
Elasticity in cloud computing refers to:
Fixed resources
Automatic scaling of resources
Long-term storage
Physical data centers
15
What does an attribute in an ER diagram represent?
A property or characteristic of an entity
A software application
A table name
A database
16
The term "entity" in an ERD diagram refers to:
A relationship between attributes
A real-world object or concept
A database field
A user of the system
17
How to select a column in SQL
HAVING
SELECT
WHERE
FROM
18
Which of the following is NOT a component of the DBMS environment?
Software
Firewall
Hardware
Users
19
FROM is used to use a certain table?
True
False
