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| Certification Vendor: | Western Governors University (WGU) |
|---|---|
| Exam Name: | WGU Introduction to IT |
| Exam Number: | Introduction-to-IT (C182) |
| Exam Duration: | 90 minutes |
| Real Exam Qty: | 60–70 |
| Exam Price: | Included in tuition / No separate fee |
| Passing Score: | 65% |
| Exam Format: | Multiple Select, Multiple Choice |
| Available Languages: | English |
| Certificate Validity Period: | N/A (Course Assessment) |
| Recommended Training: | WGU Official Course Materials |
| Exam Registration: | WGU Student Portal |
| Sample Questions: | WGU Introduction-to-IT Sample Questions |
| Exam Way: | Online proctored assessment via WGU platform |
| Pre Condition: | None; open to all students in relevant IT programs |
| Official Syllabus URL: | https://www.wgu.edu/ |
>> Introduction-to-IT Sample Questions Pdf <<
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NEW QUESTION # 85
Which type of communications media uses light waves to transmit data?
Answer: B
Explanation:
Fiber optic communication uses light waves to transmit data. Here's how it works:
1.Fiber Optic Cable Structure:
oA fiber optic cable consists of a core made of glass or plastic, surrounded by a cladding layer.
oThe core acts as a light guide, allowing light to travel through it by total internal reflection.
oThe cladding layer ensures that the light remains within the core.
2.Light Propagation:
oWhen data needs to be transmitted, a light source (usually a laser or LED) sends pulses of light into the fiber.
oThe light travels down the core, bouncing off the cladding due to total internal reflection.
oAs a result, the light signal remains confined within the core.
3.Advantages of Fiber Optics:
oHigh Bandwidth: Fiber optics can transmit large amounts of data quickly.
oLow Attenuation: Light signals experience minimal loss over long distances.
oImmune to Electromagnetic Interference: Unlike copper cables, fiber optics are not affected by electromagnetic fields.
oSecure: It's difficult to tap into fiber optic cables without detection.
4.Applications:
oInternet Backbone: Fiber optics form the backbone of the global internet, connecting continents.
oTelecommunications: Used for long-distance phone calls and high-speed internet.
oData Centers: Within data centers, fiber optics connect servers and storage devices.
oCable TV: Many cable TV networks use fiber optics for signal distribution.
References:
1.Li-Fi - Wikipedia
2.Types of Transmission Media - GeeksforGeeks
3.Welcome, Li-Fi: Technology uses light to transmit data
NEW QUESTION # 86
What is the generation of computing known for natural language processing and machine learning capabilities?
Answer: C
Explanation:
The fifth generation of computing is commonly associated with artificial intelligence, including natural language processing and machine learning capabilities. In standard Information Technology history, the fifth generation represents a shift from mainly hardware-driven improvements to systems designed to mimic human-like reasoning and communication. Natural language processing focuses on enabling computers to understand and respond to human language, while machine learning allows systems to improve performance by learning from data rather than relying only on fixed, pre-programmed instructions. These capabilities depend on advanced algorithms, large datasets, and powerful computing architectures, including parallel processing and high-performance computing resources. Earlier generations were defined primarily by hardware advancements: vacuum tubes in the first generation, transistors in the second, integrated circuits in the third, and microprocessors in the fourth. Although some AI research existed earlier, the fifth generation is the one most clearly linked in IT documents and curricula with intelligent systems, expert systems, language understanding, and learning-based approaches. Therefore, the correct generation for natural language processing and machine learning is the fifth generation.
NEW QUESTION # 87
A programmer is working with C. Which type of language is this?
Answer: A
Explanation:
C is commonly classified as a compiled programming language. In Information Technology curricula, C source code is typically processed by a compiler that translates the entire program into machine code or into object files that are linked into an executable. This compiled output can then be run directly by the operating system without requiring the original source code to be translated again each time. C is considered a high- level language compared with assembly and machine language, but it still provides relatively low-level control over memory and system resources through pointers and direct data structure manipulation. This makes it popular for systems programming, operating systems, embedded development, and performance- critical applications. Interpreted languages are usually executed through an interpreter at runtime, while machine language is binary code executed directly by the CPU, and assembly language uses mnemonic instructions that map closely to machine operations. Since C is normally translated ahead of time into executable code, it is best categorized as a compiled language. Therefore, the correct answer is compiled.
NEW QUESTION # 88
A company uses the most up-to-date operating system developed by Microsoft for a desktop computer on its internal network. Which system software does this company's computer use?
Answer: D
Explanation:
Microsoft's desktop operating system family is Windows, so a company using Microsoft's most up-to-date desktop operating system is using Windows. In Information Technology, an operating system is system software that manages hardware resources, provides a user interface, and supports applications by handling tasks such as memory management, process scheduling, file systems, device drivers, and network connectivity. Windows is widely used in business environments because of its strong integration with enterprise tools such as Active Directory, Group Policy, Microsoft 365 services, and broad compatibility with commercial software and peripherals. The other options are operating systems from different ecosystems:
Linux is an open-source family of operating systems, Android is primarily designed for mobile devices, and iOS is Apple's mobile operating system for iPhone. Since the question specifically states the operating system is developed by Microsoft and used on a desktop computer, the correct choice is Windows.
NEW QUESTION # 89
Which image represents the basic structure of a computer network?
Answer: C
Explanation:
the basic structure of a computer network is the one depicting cloud computing. In this image, a blue cloud labeled "Cloud" is connected to four different types of devices: a desktop computer, tablet, phone, and laptop.
Each device has an icon representing its type, and all devices are connected to the cloud, symbolizing data access and storage on the cloud.
NEW QUESTION # 90
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