Introduction to IT (C182)
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Free Introduction to IT (C182) Questions
During which phase of the SDLC do architects think about the components needed to solve a problem?
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Analysis
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Testing
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Design
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Maintenance
Explanation
Correct Answer
C. Design
Explanation
The design phase of the Software Development Life Cycle (SDLC) is when system architects and developers determine the structure, architecture, and components required for the solution. They create blueprints and design specifications that guide implementation.
Why other options are wrong
A. Analysis. This is incorrect because the analysis phase focuses on gathering and understanding user requirements, not designing system components.
B. Testing. This is incorrect because the testing phase involves evaluating the developed software for bugs and verifying functionality, not designing the system.
D. Maintenance. This is incorrect because the maintenance phase deals with updating, fixing, and optimizing an existing system after deployment, not designing new components.
What is one of the primary responsibilities of a Database Administrator?
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Managing web servers and applications
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Conducting market research for business strategies
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Creating user interfaces for software applications
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Design, development, and support of database management systems
Explanation
Correct Answer
D. Design, development, and support of database management systems
Explanation
A Database Administrator (DBA) is responsible for designing, implementing, managing, and securing database systems. They ensure data integrity, optimize performance, and provide backup and recovery solutions.
Why other options are wrong
A. Managing web servers and applications is incorrect because this is the responsibility of a Web Administrator or System Administrator, not a DBA.
B. Conducting market research for business strategies is incorrect because this is typically handled by business analysts or marketing professionals, not a DBA.
C. Creating user interfaces for software applications is incorrect because UI/UX designers and software developers handle this task, not DBAs.
What defines a vulnerability in a security program?
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A weakness or gap in a security program that can be exploited.
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A type of software that protects against malware.
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A method for encrypting sensitive data in transit.
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A strong defense mechanism against cyber attacks.
Explanation
Correct Answer
A. A weakness or gap in a security program that can be exploited.
Explanation
A vulnerability refers to a flaw, weakness, or gap in a security system that could be exploited by attackers to gain unauthorized access, disrupt operations, or steal data. Vulnerabilities can exist in software, hardware, networks, or human processes.
Why other options are wrong
B. A type of software that protects against malware is incorrect because anti-malware software is a defense mechanism, not a vulnerability.
C. A method for encrypting sensitive data in transit is incorrect because encryption is a security measure, not a vulnerability.
D. A strong defense mechanism against cyber attacks is incorrect because vulnerabilities represent weaknesses, not defenses.
Which of the following is NOT considered a programming language?
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HTML
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JavaScript
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Python
Explanation
Correct Answer
A. HTML
Explanation
HTML (HyperText Markup Language) is a markup language used for structuring web pages, not a programming language. It does not contain logic or control structures like loops or conditionals, which are essential in programming languages.
Why other options are wrong
B. JavaScript is incorrect because JavaScript is a programming language used to add interactivity to web pages.
C. Python is incorrect because Python is a widely used programming language for various applications, including web development, data analysis, and artificial intelligence.
What is the role of user accounts in the IT context?
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None of the above
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Guest User
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System Administrator
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Employee
Explanation
Correct Answer:
C. System Administrator
Explanation:
In the IT context, user accounts are typically managed by a System Administrator, who is responsible for creating, maintaining, and securing user accounts within a system or network.
Why other options are wrong:
None of the above: None of the above is incorrect because the System Administrator is a valid role related to user accounts.
Guest User. Guest User is incorrect because this refers to a type of user account with limited permissions, not a role responsible for managing accounts.
Employee: Employee is incorrect because this refers to a general user of the system, not the role responsible for managing user accounts.
What does a URL consist of?
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Protocol, domain name, and resource ID.
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Protocol, IP address, and file type.
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Domain name, server type, and resource ID.
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Protocol, host name, and file size.
Explanation
Correct Answer
A. Protocol, domain name, and resource ID.
Explanation
A URL (Uniform Resource Locator) is composed of a protocol (such as HTTP or HTTPS), a domain name (such as example.com), and a resource identifier (such as a specific webpage or file path). This structure allows web browsers to locate and retrieve resources from the internet.
Why other options are wrong
B. Protocol, IP address, and file type is incorrect because URLs typically use domain names instead of direct IP addresses. File type is also not a required component.
C. Domain name, server type, and resource ID is incorrect because "server type" is not a standard component of a URL.
D. Protocol, host name, and file size is incorrect because file size is not part of a URL's structure.
In which generation were silicon chips first used in computers?
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3rd generation
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2nd generation
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1st generation
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4th generation
Explanation
Correct Answer
A. 3rd generation
Explanation
Silicon chips, also known as integrated circuits (ICs), were first used in computers during the 3rd generation of computing (1965–1971). This advancement significantly improved computing speed and efficiency compared to previous generations.
Why other options are wrong
B. 2nd generation. This is incorrect because 2nd generation computers used transistors, not silicon chips.
C. 1st generation. This is incorrect because 1st generation computers used vacuum tubes, which were large and inefficient.
D. 4th generation. This is incorrect because 4th generation computers introduced microprocessors, which were an advancement of silicon chip technology but not the first use of silicon chips.
What type of software permits free temporary use followed by long-term activation for a fee?
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Proprietary
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Public Domain
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Open Source
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Shareware
Explanation
Correct Answer
D. Shareware
Explanation
Shareware is software that is distributed for free on a trial basis, allowing users to test it before purchasing a full version. After the trial period, users must pay to continue using the software legally. Examples include trial versions of antivirus programs and certain productivity software.
Why other options are wrong
A. Proprietary. Proprietary software is owned by a company or individual and typically requires purchase or licensing from the start, without a free trial period.
B. Public Domain. Public domain software is not owned by any entity and can be freely used, modified, and distributed without cost.
C. Open Source. Open-source software provides its source code to the public for free use and modification, often with no time restrictions or payment requirements.
Which OLAP operation provides more detail by breaking down data into finer levels?
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Dicing
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Drilling down
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Slicing
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Monitoring
Explanation
Correct Answer
B. Drilling down
Explanation
Drilling down in OLAP allows users to move from summary data to more detailed data, breaking it down into finer levels for in-depth analysis. This helps businesses analyze trends and understand data at a granular level.
Why other options are wrong
A. Dicing creates a subcube from the dataset but does not focus on increasing detail.
C. Slicing filters the data along a specific dimension but does not provide additional levels of detail.
D. Monitoring is not an OLAP operation; it refers to tracking data changes or system performance.
What is a disadvantage of the star topology?
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It requires no central device
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It allows for unlimited device connections
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It is the most cost-effective topology
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If the hub fails, all devices lose connectivity
Explanation
Correct Answer
D. If the hub fails, all devices lose connectivity
Explanation
In a star topology, all devices are connected to a central hub or switch. If this central device fails, all connected devices will lose network access.
Why other options are wrong
A. It requires no central device is incorrect because a star topology requires a central hub or switch to function.
B. It allows for unlimited device connections is incorrect because the number of connections is limited by the capacity of the central hub or switch.
C. It is the most cost-effective topology is incorrect because a bus topology is typically more cost-effective due to its minimal hardware requirements.
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