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| Certification Vendor: | Western Governors University (WGU) |
|---|---|
| Exam Name: | Introduction to IT Objective Assessment |
| Exam Number: | C182 (also referenced as D322 in some curriculum updates) |
| Exam Duration: | 120 minutes |
| Passing Score: | Competency-based (WGU passing standard: 'Competent' / typically equivalent to ~70%+ benchmark, not publicly fixed) |
| Exam Price: | Included in WGU tuition (no separate exam fee) |
| Available Languages: | English |
| Exam Format: | Multiple-choice questions, Scenario-based questions, Online proctored Objective Assessment |
| Real Exam Qty: | Approximately 60–70 multiple-choice questions (varies by version) |
| Certificate Validity Period: | Not applicable (course credit; no external certification validity period) |
| Recommended Training: | WGU Course Resources (official learning materials) General IT Fundamentals Learning Path (Khan Academy Computing) |
| Exam Registration: | WGU Student Portal (course exam scheduling) |
| Sample Questions: | WGU Introduction-to-IT Sample Questions |
| Exam Way: | Online proctored Objective Assessment (remote exam) |
| Pre Condition: | None (introductory foundational course in WGU IT degree program) |
| Official Syllabus URL: | https://www.wgu.edu/online-it-degrees/information-technology-bachelors-program.html |
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質問 # 90
Which type of conversion involves turning off the old system and turning on the new system at a particular date and time?
正解:D
解説:
In this approach, users stop using the old system, and the new system is put into use immediately1. However, direct conversion can be risky, especially without extensive testing beforehand2.
References
1.W3computing.com
2.Universal CPA Review
質問 # 91
What is the correct definition of a join query?
正解:A
解説:
A join in the context of a database, specifically SQL, is an operation that combines rows from two or more tables based on a related column between them. The purpose of a join is to retrievedata that exists across multiple tables which share a common field or key. The process typically involves the following steps:
1.Identify the Tables: Determine the tables that you want to join.
2.Determine the Common Column(s): Find the column(s) that the tables share, which will be used to match rows.
3.Choose the Type of Join: Decide on the type of join that suits your needs (INNER, LEFT, RIGHT, FULL).
4.Construct the Join Query: Write the SQL statement that specifies the join condition using the ON keyword.
5.Execute the Query: Run the query in the database to retrieve the combined results.
For example, if you have an Orders table and a Customers table, and both have a CustomerID column, you can join them on this column to retrieve a list of orders along with the customer information for each order.
References: The definition and explanation are based on standard SQL documentation and educational resources such as W3Schools1 and GeeksforGeeks2, which provide comprehensive guides on SQL joins.
質問 # 92
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?
正解:A
解説:
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.
質問 # 93
What is the correct description of an algorithm?
正解:A
質問 # 94
Which of the following is required for communication over the Internet?
正解:B
解説:
Communication over the Internet relies on packet-switched networks. Here's why:
1.Packet Switching:
oThe Internet uses a packet-switching approach to transmit data.
oIn this method, data is divided into smaller packets before transmission.
oEach packet contains a portion of the original data along with addressing information.
oThese packets are then sent independently across the network.
oAt the destination, the packets are reassembled to reconstruct the original data.
2.Advantages of Packet Switching:
oEfficiency: Packet switching allows multiple users to share the same network resources efficiently.
oRobustness: If a link or node fails, packets can find alternative routes to reach their destination.
oScalability: The network can handle varying traffic loads without significant reconfiguration.
3.Other Options:
oAn IP Alias: An IP alias is an additional IP address associated with a network interface. It is not a requirement for communication over the Internet.
oA LAN (Local Area Network): A LAN is a local network within a limited geographical area. While LANs are essential for local communication, they are not directly required for Internet communication.
oA circuit-switched network: Circuit-switched networks establish dedicated connections between sender and receiver. The Internet does not use this approach.
oAn analog signal: Analog signals were used in older communication systems (e.g., telephone lines), but the Internet primarily relies on digital signals.
References:
*1ITExamAnswers: 5.4.3 Communications Principles Quiz Answers
*2GCFGlobal.org: Computer Basics - Connecting to the Internet
質問 # 95
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