Question: In DevOps, a container is

Answer Options:

An isolated user space on a computer
A folder to save automated infrastructure scripts
A set of scripts to automate infrastructure
A copy of the operating system

Answer: An isolated user space on a computer

 

Question: Version control is

Answer Options:

Configuring the IT infrastructure using definition files
Isolating a user space on a computer
Developing versions of information to present to organizational leadership
Managing changes to information

Answer: Managing changes to information

 

Question: For long-term application performance, developers who focus on rapid deployment of new features should also care about

Answer Options:

The end user interface of their applications
The reliability of their applications
The popularity of the technology stack used to build the applications
Maintaining technology certifications

Answer: The reliability of their applications

 

Question: Compared to virtual machines, containers

Answer Options:

Take more space because more copies of the operating system are created
Take much less space since copies of the operating system are not created
Are more difficult to automate
Are less efficient in computer resource utilization

Answer: Take much less space since copies of the operating system are not created

 

Question: An advantage of containerization is that

Answer Options:

Applications can be easily packaged for deployment on any compatible server
It helps deploying multiple versions of the same application
It improves reporting to organization leadership
It helps distribute applications to end users using media such as DVDs

Answer: Applications can be easily packaged for deployment on any compatible server

 

Question: A popular container technology is

Answer Options:

Hadoop
Git
Docker
SQL Server

Answer: Docker

 

Question: Simple shared folders (e.g., Box) are not useful to share DevOps code because

Answer Options:

Different developers are usually working on different versions of needed files
Developers on a team should not have visibility into all the files in the project
Shared folders are vulnerable to hard disk crashes
Developers prefer to maintain personal copies of their code

Answer: Different developers are usually working on different versions of needed files

 

Question: DevOps practices include

Answer Options:

Both technical and human elements in equal measure
Mainly human elements such as respect and trust
Mainly technical elements such as IAC, containers and shared repositories
Technical expertise among an organization’s business leaders

Answer: Both technical and human elements in equal measure

 

Question: Feature flags are a useful DevOps practice because

Answer Options:

They allow developers on the team to share code
They isolate security vulnerabilities in the operating system
They allow administrators and developers to incrementally release new capabilities and test their impacts

Answer: They allow administrators and developers to incrementally release new capabilities and test their impacts

 

Question: A data model can ______.

Answer Options:

Illustrate return-on-investment, break-even point, and economic feasibility
Represent actions or processes that occur in the to-be system
Be used to represent data in a logical data model and as a physical data model in design
Only be used in BPR situations
Only be used with JAD sessions

Answer: Be used to represent data in a logical data model and as a physical data model in design

 

Question: A data model is a:

Answer Options:

The mathematical model of formulas and logic used in a system
The abstract creating of an ideal system transformation
The model that is produced by extreme programming
The expanded, thoroughly balanced and normalized use case for a system
A formal way of representing the data that are used and created by a business system

Answer: A formal way of representing the data that are used and created by a business system

 

Question: A logical data model that does not lead to repeating fields and that the data models leads to tables containing fields that are dependent on the whole identifier is in ______ normal form.

Answer Options:

balanced
first
primary
second
third

Answer: second

 

Question: Anthony is working on the cardinality of doctors and patients in a large urban hospital. With the large number of doctors with varying specialties and patients that may have more than one ailment, he thinks the relationship might be noted as:

Answer Options:

1 to 1
1 to 2
1 to many
Many to many
Many to 1

Answer: Many to many

 

Question: Balance occurs between DFDs and ERDs when the data stores ______.

Answer Options:

Are uniquely named
Have only one input and one output flow
Are named the same as the relationships on the ERD
Can be compared to ERD data flows and attributes on the ERD are included in data stores on the DFD
Can be equated to entities on the ERD and when entities are referred to by data stores on the DFD

Answer: Can be equated to entities on the ERD and when entities are referred to by data stores on the DFD

 

Question: If the logical data model does not contain attributes that have repeating values it is in ______.

Answer Options:

base normal form
first normal form
non-normal form
second normal form
third normal form

Answer: first normal form

 

Question: In creating ERD’s, which would most likely NOT be a source for entities?

Answer Options:

Use cases
Level 0 DFD diagrams
External entities
Data flows
Cost / benefit reports

Answer: Cost / benefit reports

 

Question: As a structure chart is constructed, it is generally best to build modules with:

Answer Options:

High cohesion
Highly coupled
High fan-out
Have high ‘need to know’ in the module title
High level of coordination

Answer: High cohesion

 

Question: By definition, external entities on the DFD:

Answer Options:

Are used as the starting point for the physical data flow diagram
Are outside the scope of the system
Will be the top of the structure chart
Will become database table entries
Are updated with metadata to become part of the physical DFD

Answer: Are outside the scope of the system