Exam: DA0-002
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TEST DETAILS
Required exam DA0-002
Number of questions
Types of questions Multiple-choice and performance-based
Length of test
Recommended experience 1.5 to 2 years of experience, including exposure to
databases and analytical
tools, a basic understanding of statistics, and familiarity with data
visualization
EXAM OBJECTIVES (DOMAINS)
The table below lists the domains measured by this examination and the
extent to which they are represented.
DOMAIN PERCENTAGE OF EXAMINATION
1.0 Data Concepts and Environments 20%
2.0 Data Acquisition and Preparation 22%
3.0 Data Analysis 24%
4.0 Visualization and Reporting 20%
5.0 Data Governance 14%
Total 100%
EXAM CODE DA0-001
CompTIA Data+ is an early-career data analytics certification for
professionals tasked with developing and promoting data-driven business
decision-making.
Differentiate Yourself With Data
Better Analyze and Interpret Data
Mine data more effectively. Analyze with rigor. Avoid confounding results.
Communicate Insights
Highlight what’s important in reports that persuade, not confuse. Help drive
better data-driven decisions.
Demonstrate Competency
Make yourself a valuable team member. Data literacy means you’re more
employable and upwardly mobile.
CompTIA Data+ proves you have the skills required to facilitate data-driven
business decisions.
What Skills Will You Learn?
Data Concepts and Environments
Boost your knowledge in identifying basic concepts of data schemas and
dimensions while understanding the difference between common data structures and
file formats
Data Mining
Grow your skills to explain data acquisition concepts, reasons for cleansing
and profiling datasets, executing data manipulation, and understanding
techniques for data manipulation
Data Analysis
Gain the ability to apply the appropriate descriptive statistical methods
and summarize types of analysis and critical analysis techniques
Visualization
Learn how to translate business requirements to create the appropriate
visualization in the form of a report or dashboard with the proper design
components
Data Governance, Quality, & Controls
Increase your ability to summarize important data governance concepts and apply
data quality control concepts
About the Exam
The CompTIA Data+ certification exam will certify the successful candidate
has the knowledge and skills required to:
• Translate business requirements in support of data-driven decisions by
acquiring, preparing, and transforming data.
• Use industry-standard tools and emerging technologies to create appropriate
reports and visualizations.
• Apply basic statistical methods and analyze complex data sets while adhering
to governance and quality standards throughout the entire data life cycle.
This is equivalent to 1.5 to 2 years of hands-on experience that includes
exposure to databases and analytical tools, a basic understanding of statistics,
and familiarity with data visualization.
These content examples are meant to clarify the test objectives and should not
be construed as a comprehensive listing of all the content of this examination.
EXAM ACCREDITATION
The CompTIA Data+ exam is accredited by ANSI to show compliance with the ISO
17024 standard and, as such, undergoes regular reviews and updates to the exam
objectives.
EXAM DEVELOPMENT
CompTIA exams result from subject matter expert workshops and industry-wide
survey results regarding the skills and knowledge required of an IT professional
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QUESTION 1
[Virtualization and Cloud Computing]
Which of the following is an advantage of using a hybrid cloud instead of a
public cloud?
A. Ability to reduce management overhead
B. Ability to use cross-platform virtualization
C. Ability to meet data residency requirements
D. Ability to leverage IaaS and PaaS
Answer: C
Explanation:
Comprehensive and Detailed Explanation From Exact Extract:
A hybrid cloud combines on-premises infrastructure with public cloud services.
One significant
advantage is that it allows organizations to keep sensitive data in a private
environment to meet
regulatory or data residency requirements, while still utilizing the scalability
and cost-efficiency of
the public cloud for other workloads. This ensures compliance with legal
mandates about data location.
Reference: "CompTIA A+ Complete Study Guide" by Quentin Docter " Chapter 8,
"Virtualization and
Cloud Computing", page 488. Also supported in CompTIA A+ Exam
Objectives220-1201under section 4.1.
QUESTION 2
[Hardware]
Which of the following tools would a technician use to connect wires to an RJ45
connector?
A. Crimper
B. Cable stripper
C. Punchdown
D. Loopback plug
Answer: A
Explanation:
Comprehensive and Detailed Explanation From Exact Extract:
A crimper is specifically used to attach RJ45 connectors to the ends of network
cables.
It pressesthe connector pins into the cable's wires, establishing a secure
electrical connection.
A punchdown tool is used for wiring patch panels or keystone jacks, not for
attaching connectors.
Reference: "CompTIA A+ Complete Study Guide" by Quentin Docter " Chapter 3,
"Cables and
Connectors", page 162. Also outlined in the220-1201objectives under 3.1.
QUESTION 3
[Virtualization and Cloud Computing]
A company deploys server machines in a public cloud. Which of the following
cloud service models is this an example of?
A. Platform as a service
B. Anything as a service
C. Infrastructure as a service
D. Software as a service
Answer: C
Explanation:
Comprehensive and Detailed Explanation From Exact Extract:
Infrastructure as a Service (IaaS) provides virtualized computing resources over
the internet. This
includes virtual servers, storage, and networking. Deploying server machines
falls under IaaS since
the organization is responsible for managing the OS and applications on top of
the infrastructure.
Reference: "CompTIA A+ Complete Study Guide" by Quentin Docter " Chapter 8,
"Virtualization and
Cloud Computing", page 488-490. Also found in the220-1201objectives, section
4.1.
QUESTION 4
[Hardware and Network Troubleshooting]
A customer reports their tablet was recently dropped on the ground.
The tablet has a small crack in one corner of the display, and it does not
charge when plugged in.
Which of the following should a technician do first?
A. Perform a hard restart.
B. Replace the battery
C. Inspect the USB-C port for damage
D. Run diagnostics on the digitizer
Answer: C
Explanation:
Comprehensive and Detailed Explanation From Exact Extract:
Physical damage from dropping a tablet may often affect ports or connectors.
Before taking deeper
diagnostic or replacement steps, it's important to visually inspect the USB-C
charging port for
damage or debris. If the port is damaged, charging issues can occur regardless
of battery health.
Reference: "CompTIA A+ All-in-One Exam Guide, 11th Edition" by Mike Meyers "
Chapter 25,
"Maintaining and Securing Mobile Devices", page 879.
QUESTION 5
[Networking]
A customer needs to install a new printer in their network.
The customer reports that users had intermittent connectivity issues with
previous printers.
Which of the following should the technician configure on the new printer to
prevent this issue?
A. Gateway IP address
B. DHCP IP address
C. Static IP address
D. Public IP address
Answer: C
Explanation:
Comprehensive and Detailed Explanation From Exact Extract:
Intermittent connectivity issues with network printers are commonly caused by
changing IP
addresses when using DHCP. Assigning a static IP address ensures that the
printer is always reachable
at the same IP address by client machines.
Reference: "CompTIA A+ Complete Study Guide" by Quentin Docter " Chapter 4,
"Printers and
Multifunction Devices", page 241.
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