WGU Introduction-to-IT Exam Dumps

1. Ethical Leadership: Leaders should model ethical behavior, make decisions in the best interest of stakeholders, and ensure fairness. Ethical leaders influence followers to do the right thing.

2. Ethical Practices: Implement critical organizational practices related to ethics, including recruitment, training, policies, accountability, and decision-making.

3. Ethical Climate: Communicate ethical expectations beyond policies. Foster an environment where employees understand ethics and their implications.

1. How to Create a Culture of Ethics & Accountability in the Workplace

2. Ethics and Organizational Culture

3. How Ethical Leadership Impacts Organizational Culture

4. The Relationship Between Ethics and Organizational Culture

* Verified Answer: A component of IT infrastructure is networks.

* Explanation:- Networks play a crucial role in connecting various elements of an IT system, enabling communication and data exchange.

*

Therefore, the correct answer is A. Networks.

Fiber optic communication uses light waves to transmit data. Here's how it works:

1. Fiber Optic Cable Structure:

o A fiber optic cable consists of a core made of glass or plastic, surrounded by a cladding layer.

o The core acts as a light guide, allowing light to travel through it by total internal reflection.

o The cladding layer ensures that the light remains within the core.

2. Light Propagation:

o When data needs to be transmitted, a light source (usually a laser or LED) sends pulses of light into the fiber.

o The light travels down the core, bouncing off the cladding due to total internal reflection.

o As a result, the light signal remains confined within the core.

3. Advantages of Fiber Optics:

o High Bandwidth: Fiber optics can transmit large amounts of data quickly.

o Low Attenuation: Light signals experience minimal loss over long distances.

o Immune to Electromagnetic Interference: Unlike copper cables, fiber optics are not affected by electromagnetic fields.

o Secure: It's difficult to tap into fiber optic cables without detection.

4. Applications:

o Internet Backbone: Fiber optics form the backbone of the global internet, connecting continents.

o Telecommunications: Used for long-distance phone calls and high-speed internet.

o Data Centers: Within data centers, fiber optics connect servers and storage devices.

o Cable TV: Many cable TV networks use fiber optics for signal distribution.

1. Li-Fi - Wikipedia

2. Types of Transmission Media - GeeksforGeeks

3. Welcome, Li-Fi: Technology uses light to transmit data

A proxy server serves several essential functions in network communication:

1. Security and Privacy:

o A 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.

o The proxy server hides the user's IP address, making it difficult for external entities to directly trace the user's location or identity.

o By 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:

o Organizations often use proxy servers to control internet access for their employees. The proxy can filter requests based on predefined rules.

o For example, an organization might block access to certain websites (e.g., social media, gambling sites) or restrict access during work hours.

o Content filtering helps maintain productivity and prevent unauthorized access to inappropriate or harmful content.

3. Caching and Acceleration:

o Proxy 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.

o Caching reduces the load on the internet connection and speeds up access to commonly visited sites.

o It also helps save bandwidth by minimizing redundant data transfers.

4. Load Balancing:

o In large networks, multiple proxy servers can distribute incoming requests to different web servers. This load balancing ensures efficient utilization of resources.

o By evenly distributing traffic, proxy servers prevent any single server from becoming overwhelmed.

5. Anonymity and Geolocation Bypass:

o Some users use proxy servers to hide their real IP addresses. This anonymity can be useful for privacy reasons or to bypass geolocation restrictions.

o For example, a user in one country can use a proxy server located in another country to access region-restricted content.

Reference

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?

* The system component that allows a collection of computers to communicate with each other is the network.

* Explanation:- Networks enable communication between computers, allowing data exchange, resource sharing, and collaboration.

*

Therefore, the correct answer is B. Network.