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| Section | Objectives |
|---|---|
| IT Career Roles | - Help desk, network administration, system analysis, and project management |
| Business Technology Integration | - How IT supports organizational goals and operations |
| Cybersecurity Fundamentals | - Threat identification, security measures, and data protection |
| Network Basics | - Network structure, function, and security - TCP/IP, network topologies, protocols, and connectivity concepts |
| Operating Systems | - Windows, macOS, Linux fundamentals and system management |
| Areas of IT | - Explain how various components work together to support operations - Describe key IT areas and their role in an organization |
| Software Applications | - Productivity suites, databases, and enterprise software solutions |
| Computer Hardware Components | - Processors, memory, storage devices, and input/output systems |
| Emerging Technologies | - Artificial Intelligence (AI) concepts - Impact of emerging technologies on business practices |
| Scripting and Programming Basics | - Role of scripts and programs in automating tasks - Variables, loops, conditionals, and functions |
| Database Management | - Relational database structure, basic SQL queries, data integrity and security |
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NEW QUESTION # 74
Which component of the data-information-knowledge-wisdom DIKW pyramid includes raw facts?
Answer: A
Explanation:
In the DIKW hierarchy, data represents raw facts and unprocessed observations. Data is typically collected directly from events, measurements, transactions, or sensors and does not carry meaning by itself until it is organized and interpreted. Examples include numbers, symbols, dates, individual readings, or isolated text entries. In Information Technology and Information Systems fundamentals, data is considered the foundation of the DIKW pyramid because all higher levels depend on it. When data is processed, structured, or placed into context, it becomes information. For example, the number 18 alone is simply data, but when connected to a context such as minutes to bake a pizza, it becomes meaningful information. Knowledge goes further by combining information with experience, rules, and understanding to support decisions and actions. Wisdom sits at the top and reflects judgment, ethics, and choosing what should be done in a situation. Therefore, the DIKW component that includes raw facts is data.
NEW QUESTION # 75
Which IT role is responsible for installing new hardware and troubleshooting existing hardware?
Answer: A
Explanation:
*Explanation: System administrators manage the upgrade and installation of new hardware and software, perform troubleshooting to address any problems with computer systems, and assess viruses and potential threats to a company's network1.
Therefore, the correct answer is D. System administrator.
NEW QUESTION # 76
Which peripheral replaces the mouse on a mobile device?
Answer: B
Explanation:
*The peripheral that replaces the mouse on a mobile device is the Stylus.
*Explanation: A stylus is an input device that allows users to interact with touchscreens by tapping, drawing, or writing. It serves as an alternative to using a traditional mouse for precise input on mobile devices.
* Therefore, the correct answer is A. Stylus
NEW QUESTION # 77
Which securely best practice designates specific persons who are authorized to view and edit particular parts of a database system?
Answer: C
Explanation:
*Role-based access control (RBAC) is a securely best practice that designates specific persons who are authorized to view and edit particular parts of a database system.
*In RBAC, access permissions are assigned based on predefined roles or job functions within an organization.
*Here's how RBAC works:
1.Roles: Define roles based on job responsibilities (e.g., administrator, manager, user).
2.Permissions: Assign specific permissions (read, write, execute) to each role.
3.Users: Associate users with roles.
4.Access Control: Users inherit permissions from their assigned roles.
*Benefits of RBAC:
oGranularity: Allows fine-grained control over access rights.
oScalability: Easily manage access for large user bases.
oSecurity: Reduces the risk of unauthorized access.
*Example: An employee in the HR department might have read-only access to employee records, while an administrator has full editing rights.
*RBAC ensures that only authorized individuals can access specific data or perform certain actions within the database system.
References:
1.Vertabelo: Top 11 Best Practices for Database Design
2.Stack Overflow: Best Practice for Designing User Roles and Permission System
3.Resmo: 9 Access Control Best Practices
4.RedSwitches: Database Security in DBMS
5.LinkedIn: How to Choose a Database System: Best Practices
1: Vertabelo: Top 11 Best Practices for Database Design 2: Stack Overflow: Best Practice for Designing User Roles and Permission System 3: Resmo: 9 Access Control Best Practices 4: RedSwitches: Database Security in DBMS 5: LinkedIn: How to Choose a Database System: Best Practices
NEW QUESTION # 78
What is a function of a proxy server?
Answer: A
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 # 79
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The WGU Practice Test engine included with Introduction-to-IT exam questions simulates the actual Introduction-to-IT examinations. This is excellent for familiarizing yourself with the WGU Introduction to IT and learning what to expect on test day. You may also use the WGU Introduction-to-IT online practice test engine to track your progress and examine your answers to determine where you need to improve on the Introduction-to-IT exam.
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P.S. Free 2026 WGU Introduction-to-IT dumps are available on Google Drive shared by Lead2PassExam: https://drive.google.com/open?id=1G6BG4SZx5Wb9SYfox4kHTB_AJWAjiRp-