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| Section | Weight | Objectives |
|---|---|---|
| Introduction to IT as a Discipline | 15% | - Ethics and professional responsibilities in IT - IT department functions and business support - IT roles and career paths |
| Networking Concepts | 20% | - TCP/IP, IP addressing, and connectivity - Network types, topologies, and protocols - Internet, cloud, and remote access technologies |
| Data Management and Business IT | 10% | - IT infrastructure, continuity, and support - Databases and data storage concepts |
| Information Security | 15% | - Threats, vulnerabilities, and risks - Security controls: access, encryption, backups - Data protection and compliance basics |
| Computer Hardware | 20% | - System architecture and performance factors - Input/output devices and peripherals - Core components: CPU, memory, storage |
| Software and Operating Systems | 20% | - OS fundamentals: Windows, macOS, Linux - File management, installation, and updates - Types of software: system vs application |
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NEW QUESTION # 132
What is scope creep?
Answer: A
Explanation:
Scope creep refers to the uncontrolled and often unmanageable growth of a project's requirements or 'scope' once it's underway1. Here's a breakdown:
1.Project Scope:
oProject scope defines the outline of requirements and deliverables for a project.
oIt's usually established at the beginning of project planning and captured in project plans, roadmaps, or briefs.
2.What Is Scope Creep?
oScope creep occurs when the asks and deliverables exceed the pre-set project scope.
oStakeholders add more deliverables or push back deadlines, leading to changes beyond the original plan.
oThese changes can delay the project timeline, increase costs, and impact quality.
3.Examples of Scope Creep:
oMissed Deadlines: When team leads extend deadlines without clear instructions, causing work to never feel
"done."
oExternal Changes: Unexpected events (e.g., macroeconomic shifts, natural disasters) lead to extra work and adjustments.
oResource Constraints: Trying to achieve the same goals with fewer resources, affecting overall project status.
4.Preventing Scope Creep:
oClear Communication: Define scope upfront and communicate changes transparently.
oScope Management: Regularly review and manage scope throughout the project.
oAgile Methods: Use Agile practices to adapt to changes while maintaining focus on objectives.
Remember, managing scope effectively is crucial for project success!
References:
*Scope Creep: Definition, Examples & How To Prevent It - Forbes Advisor
*What is Scope Creep and 7 Ways to Avoid it - Asana
*Scope creep - Wikipedia
*What Is Scope Creep? | Definition and Overview - ProductPlan
NEW QUESTION # 133
Which computing term describes a collection of hardware and software components that work together to meet the needs of the user?
Answer: B
Explanation:
The computing term that describes a collection of hardware and software components working together to meet the needs of the user is C. A computer system.
A computer system consists of both physical hardware components (like the central processing unit, monitor, keyboard, etc.) and software components (such as operating systems, applications, and programs).
References
1.WGU Introduction to IT (KSO1) Algorithm1.
NEW QUESTION # 134
An employee needs to execute a program from the command line.
Which peripheral device should be used?
Answer: C
Explanation:
1.Keyboard Input:
oWhen executing a program from the command line, the keyboard plays a crucial role in providing input to the system.
oThe user types the command or program name using the keyboard, and the operating system interprets these inputs.
oThe keyboard allows the user to interact with the command-line interface (CLI) by entering commands, parameters, and options.
2.Command-Line Execution:
oTo execute a program, the user types the program's name (or its full path) followed by any necessary arguments or options.
oThe operating system processes this input and runs the specified program.
oFor example, to run a Python script named "my_script.py," the user would type:
opython my_script.py
3.Other Peripheral Devices:
oLet's briefly discuss the other options:
Hard Drive (B): The hard drive is a storage device and is not directly involved in executing programs from the command line. It stores files and data but does not execute them.
Speaker : The speaker is an output device used for audio playback. It does not play a role in executing programs.
Printer (D): The printer is an output device used for printing documents. It is not used to execute programs.
References:
*No specific document reference is provided for this basic concept, as it is widely accepted knowledge in the field of information technology.
NEW QUESTION # 135
What is a function of a proxy server?
Answer: C
Explanation:
A proxy server serves several essential functions in network communication:
1.Security and Privacy:
oA proxy server acts as a gateway between the user's device and the internet. When a user sends a request (e.
g., accessing a website), it first goes through the proxy server.
oThe proxy server hides the user's IP address, making it difficult for external entities to directly trace the user' s location or identity.
oBy acting as an intermediary, the proxy server provides an additional layer of security, protecting the internal network from potential threats and attacks.
2.Content Filtering and Access Control:
oOrganizations often use proxy servers to control internet access for their employees. The proxy can filter requests based on predefined rules.
oFor example, an organization might block access to certain websites (e.g., social media, gambling sites) or restrict access during work hours.
oContent filtering helps maintain productivity and prevent unauthorized access to inappropriate or harmful content.
3.Caching and Acceleration:
oProxy servers can cache frequently accessed web pages, images, and files. When a user requests the same content again, the proxy serves it from its cache.
oCaching reduces the load on the internet connection and speeds up access to commonly visited sites.
oIt also helps save bandwidth by minimizing redundant data transfers.
4.Load Balancing:
oIn large networks, multiple proxy servers can distribute incoming requests to different web servers. This load balancing ensures efficient utilization of resources.
oBy evenly distributing traffic, proxy servers prevent any single server from becoming overwhelmed.
5.Anonymity and Geolocation Bypass:
oSome users use proxy servers to hide their real IP addresses. This anonymity can be useful for privacy reasons or to bypass geolocation restrictions.
oFor example, a user in one country can use a proxy server located in another country to access region- restricted content.
References
1.SoftwareLab: What is a Proxy Server? Types & Examples You Need to Know
2.Kinsta: What Is a Proxy Server Used For? (And How Does It Work?)
3.Fortinet: What is a Proxy Server? Definition, Uses & More
4.KnowledgeHut: What is Proxy Server? Types, Functions & Use Cases
5.Varonis: What is a Proxy Server and How Does it Work?
NEW QUESTION # 136
What does the following SQL statement produce when executed?
SELECT * FROM Customers
WHERE State = 'Arizona';
Answer: B
Explanation:
The SQL statement provided is a SELECT query that retrieves data from a table within a database. Here's a breakdown of the statement:
*SELECT *: This part of the query specifies that all columns from the specified table should be returned in the result set.
*FROM Customers: This indicates that the table from which to retrieve the data is named 'Customers'.
*WHERE State = 'Arizona': This is a condition that filters the results to only include rows where the 'State' column contains the value 'Arizona'.
Therefore, when this SQL statement is executed, it will produce a result set that includes all columns for all records in the 'Customers' table where the 'State' is 'Arizona'.
References
*SQL documentation on SELECT statements.
*Database management textbooks and online resources that cover SQL syntax and query execution.
NEW QUESTION # 137
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