Get WGU Introduction-to-IT Practice Test For Quick Preparation (2026)

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WGU Introduction to IT Sample Questions (Q78-Q83):

NEW QUESTION # 78
What does a router do?

Answer: B

Explanation:
A router manages network traffic by using a routing table to determine where data packets should be sent. In Information Technology networking, a router connects different networks, such as a home local network and the internet, and forwards packets based on destination IP addresses. The routing table contains information about known networks and the best path to reach them. This allows the router to direct traffic efficiently between networks and to serve as a gateway for devices on a local area network. Option A describes a server, which provides services like hosting websites or applications. Option C describes a repeater, which boosts or regenerates signals to extend cable distance. Option D describes a modem, which modulates and demodulates signals to convert between analog and digital forms for transmission over certain media. While modern home routers may also include switch and wireless access point features, the core routing function is traffic management using routing information. Therefore, the correct answer is the option describing maintaining a table and managing traffic, which is option B.


NEW QUESTION # 79
Which securely best practice designates specific persons who are authorized to view and edit particular parts of a database system?

Answer: A

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 # 80
Which component comes in two varieties, one that mechanically writes binary data onto spinning magnetic disks and one that writes data with no mechanical parts?

Answer: D

Explanation:
The hard drive category includes two common storage varieties: traditional hard disk drives and solid-state drives. A hard disk drive stores binary data magnetically on spinning platters and uses mechanical parts such as a rotating motor and moving read and write heads. In contrast, a solid-state drive stores data using non- volatile flash memory with no moving mechanical components. In Information Technology hardware concepts, both serve the same role as secondary storage, meaning they store files, applications, and the operating system persistently even when power is off. Hard disk drives are often lower cost per gigabyte and are common in large-capacity storage, while solid-state drives provide faster access times, improved performance, and better resistance to physical shock. The motherboard is the main circuit board, the system clock provides timing pulses, and an expansion bus is a communication pathway for add-on devices. Since the question describes mechanical and non-mechanical storage types, the correct component is the hard drive.


NEW QUESTION # 81
A programmer needs to create a variable that holds the plus sign + for the addition operation. What is the name of the data type that should be used?

Answer: A

Explanation:
A plus sign is a single symbol, so the correct data type is character. In Information Technology and programming fundamentals, a character data type is used to store exactly one character, such as a letter, digit, punctuation mark, or operator symbol. Examples include A, 7, #, and +. This differs from a character string, which stores multiple characters together, such as words, phrases, or product names. Integer and floating- point types are numeric and intended for arithmetic values, not symbolic operators. In many programming languages and database systems, characters are stored using an encoding standard such as ASCII or Unicode, allowing symbols like + to be represented consistently. Selecting the correct data type is important for validation and storage: a character field can be constrained to length 1, ensuring the variable cannot accidentally store multiple symbols or text. Because the requirement is to store a single plus sign symbol, the appropriate data type is character.


NEW QUESTION # 82
What is one purpose of an End User License Agreement?

Answer: C

Explanation:
1.Understanding EULAs: When a customer or business purchases software, they are essentially acquiring a license to use it, not ownership. The software vendor retains ownership, and the user must agree to the terms specified in the EULA before accessing the application.
2.Rights and Restrictions: The EULA outlines what the user can and cannot do with the software. It covers aspects such as installation, usage, copying, distribution, and any limitations.
3.Liability and Disclaimers: EULAs clarify liability, provide infringement information, and specify disclaimers. They protect both the vendor and the user by setting clear boundaries.
4.Termination: EULAs address how and when the right to use the application may be terminated.
5.Other Names for EULA: While "End User License Agreement" is the most common term, other names include "Licensed application end user agreement," "Software license agreement," and more.
6.Vendor Protection: EULAs shield software vendors against copyright infringement, misuse, and reverse engineering. They allow vendors to limit their own liability and protect their reputation.
References
1.ServiceNow: What is an End-User License Agreement (EULA)?
2.ContractsCounsel: End User License Agreement
3.Icertis: The Importance of the End User License Agreement
4.Law 365: End User License Agreements (EULA) | For Microsoft Partners
5.PandaDoc: What is an End User License Agreement?


NEW QUESTION # 83
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