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| Section | Weight | Objectives |
|---|---|---|
| Computer Hardware | 20% | - Input/output devices and peripherals - System architecture and performance factors - Core components: CPU, memory, storage |
| Software and Operating Systems | 20% | - OS fundamentals: Windows, macOS, Linux - Types of software: system vs application - File management, installation, and updates |
| Data Management and Business IT | 10% | - Databases and data storage concepts - IT infrastructure, continuity, and support |
| Networking Concepts | 20% | - TCP/IP, IP addressing, and connectivity - Internet, cloud, and remote access technologies - Network types, topologies, and protocols |
| Introduction to IT as a Discipline | 15% | - IT roles and career paths - IT department functions and business support - Ethics and professional responsibilities in IT |
| Information Security | 15% | - Threats, vulnerabilities, and risks - Security controls: access, encryption, backups - Data protection and compliance basics |
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NEW QUESTION # 57
Based on the instructions on the package, a frozen pizza should be baked for 18 minutes at 400°F. Which term describes the statement, "The pizza looks done after 16 minutes, so it should be taken out," based on the data- information-knowledge-wisdom DIKW hierarchy?
Answer: D
Explanation:
In the DIKW hierarchy, wisdom is the level that reflects judgment about what should be done in a specific situation. The package instruction, bake for 18 minutes at 400°F, is information because it is organized and contextualized guidance. The statement, "The pizza looks done after 16 minutes, so it should be taken out," goes beyond repeating the instruction. It uses observation and judgment to decide the best action in context.
This is characteristic of wisdom because it applies experience and situational awareness to choose an appropriate decision, even when it differs from the standard guideline. Knowledge would involve understanding how cooking time can vary based on oven performance, pizza thickness, and placement in the oven, and being able to apply techniques to manage those variables. Wisdom is the decision to act correctly in the moment, balancing the instructions with real evidence, such as doneness appearance, smell, or risk of burning. Therefore, this statement fits wisdom because it selects the right action based on contextual judgment.
NEW QUESTION # 58
Which part of the Uniform Resource Locator (URL) identifies the server on which the web page can be found?
Answer: A
Explanation:
1.URL Anatomy:
oA URL (Uniform Resource Locator) is a unique web address that enables internet users to locate a specific website or online resource without having to know its IP address.
oThe structure of a URL consists of several components, each serving a specific purpose.
2.Domain Name:
oThe domain name is a critical part of the URL.
oIt follows the scheme (protocol) and precedes the path or port (if specified).
oThe domain name is composed of labels separated by dots (periods).
oEach label represents a specific level within the domain hierarchy.
oFor example:
In the URL https://www.example.com/path/to/resource, the domain name is example.com.
In the URL https://blog.example.co.uk, the domain name is blog.example.co.uk.
3.Effective Top-Level Domain (eTLD):
oThe domain name includes the top-level domain (TLD) and the second-level domain (SLD).
oThe TLD specifies the website type and follows the SLD.
oCommon TLDs include .com, .org, and .net.
oGeo-specific TLDs include country codes like .au, .uk, and .in.
4.Subdomain:
oA subdomain is a division of a website.
oWebmasters create subdomains to organize different site areas with distinct functions (e.g., blogs, forums, support portals).
oSubdomains appear before the domain name in the URL.
oExamples:
support.example.com (subdomain: support)
blog.example.co.uk (subdomain: blog)
5.Scheme (Protocol):
oThe scheme specifies the protocol that the server will use to access the page.
oCommon schemes include:
http (Hypertext Transfer Protocol)
https (Hypertext Transfer Protocol Secure)
oThe scheme always precedes the rest of the URL information.
oExample: https://www.example.com
6.Path:
oThe path indicates the specific location on the website where the user wants to go.
oIt can include directories, folders, specific page names, and file names.
oExample: https://www.example.com/path/to/resource
7.Conclusion:
oIn summary, the domain name is the part of the URL that identifies the server hosting the web page.
oIt plays a crucial role in directing users to the correct website.
References
1.What are the parts of a URL? | web.dev
2.Parts of a URL: A Short Guide | HubSpot Blog
NEW QUESTION # 59
What translates and executes source code into machine language one line at a time?
Answer: B
NEW QUESTION # 60
What is a function of a proxy server?
Answer: D
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 # 61
What can applications use to interact with a database?
Answer: A
Explanation:
SQL is the standard language for communicating with relational databases. Applications use SQL to:
*Retrieve data: SELECT queries are used to fetch specific data from database tables.
*Modify data: INSERT, UPDATE, and DELETE statements allow applications to add, change, or remove data in the database.
*Manage database structure: CREATE, ALTER, and DROP statements let applications create tables, modify their structure, or delete them entirely.
NEW QUESTION # 62
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