Comptia Prep 1

What is the first step in the CompTIA troubleshooting methodology?

• Establish a theory of probable cause

• Identify the problem

• Test the theory to determine cause

• Establish a plan of action

Answer explanation

The first step in the CompTIA troubleshooting methodology is to identify the problem. This step is crucial as it sets the foundation for further analysis and resolution.

Tags

DOK Level 1: Recall

Which of the following is a common data analysis method used to identify patterns in data?

• Regression Analysis

• Data Encryption

• Network Topology

• SQL Injection

Answer explanation

Regression Analysis is a statistical method used to identify relationships and patterns in data, making it a common choice for data analysis. The other options do not focus on pattern identification.

Tags

DOK Level 1: Recall

What is the primary purpose of a firewall in network security?

• To store data

• To block unauthorized access

• To analyze data

• To develop software

Answer explanation

The primary purpose of a firewall in network security is to block unauthorized access to or from a private network, ensuring that only legitimate traffic is allowed, thus protecting sensitive data and resources.

Tags

DOK Level 1: Recall

Which of the following is a type of data storage solution that uses magnetic disks?

• SSD

• HDD

• USB Flash Drive

• CD-ROM

Answer explanation

HDD, or Hard Disk Drive, is a type of data storage solution that uses magnetic disks to read and write data. In contrast, SSDs use flash memory, USB flash drives are also flash-based, and CD-ROMs use optical storage.

Tags

DOK Level 1: Recall

Which of the following best describes an Information System?

• A system that processes data into information

• A system that only stores data

• A system that only transmits data

• A system that only analyzes data

Answer explanation

An Information System is best described as a system that processes data into information. It involves collecting, storing, and analyzing data to generate meaningful insights, unlike systems that only store, transmit, or analyze data.

Tags

DOK Level 1: Recall

What does ITF+ stand for in CompTIA certifications?

• Information Technology Fundamentals

• Information Technology Framework

• Information Technology Functions

• Information Technology Foundation

Answer explanation

ITF+ stands for Information Technology Fundamentals, which is the correct choice. This certification covers essential IT concepts and skills, making it foundational for those entering the IT field.

Tags

DOK Level 1: Recall

Which network topology connects all devices to a central hub?

• Star

• Ring

• Mesh

• Bus

Answer explanation

The star topology connects all devices to a central hub, allowing for easy management and troubleshooting. In contrast, ring, mesh, and bus topologies have different connection methods that do not center around a single hub.

Tags

DOK Level 1: Recall

Which SQL command is used to retrieve data from a database?

• INSERT

• DELETE

• SELECT

• UPDATE

Answer explanation

The SQL command used to retrieve data from a database is 'SELECT'. The other commands serve different purposes: 'INSERT' adds data, 'DELETE' removes data, and 'UPDATE' modifies existing data.

Tags

DOK Level 1: Recall

Which of the following is a phase in the software development lifecycle?

• Data Encryption

• Testing

• Network Configuration

• Data Analysis

Answer explanation

Testing is a crucial phase in the software development lifecycle, where the software is evaluated for defects and performance. The other options, while important, do not represent distinct phases in this lifecycle.

Tags

DOK Level 1: Recall

Which of the following is a common troubleshooting technique?

• Rebooting the system

• Encrypting data

• Developing software

• Analyzing network traffic

Answer explanation

Rebooting the system is a common troubleshooting technique as it can resolve many issues by resetting the system state. The other options, like encrypting data and developing software, are not typical troubleshooting methods.

Tags

DOK Level 1: Recall