CompTIA ITF+ Certification - IT Fundamentals - (FC0-U61) Exam Questions

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Question 11 Single Choice

What does GPU stand for in the context of computer hardware?

A- Graphics Processing Unit

B- Gaming Processing Unit

C- Graphical Performance Unit

D- General Processing Unit

Explanation

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A GPU is a specialized electronic circuit that is designed to rapidly manipulate and alter memory to accelerate the creation of images in a frame buffer intended for output to a display device. It is specifically designed for handling complex calculations and rendering graphics. While GPUs are commonly used in gaming to render high-quality graphics, the term "Gaming Processing Unit" is not a standard or widely recognized term in computer hardware. Although it shares similar meanings to the correct answer, the commonly used term in the industry is Graphics Processing Unit. The general processing unit is not a common term used in computer hardware. The correct term is Central Processing Unit (CPU).

Explanation

Question 12 Single Choice

You are given an array arr = [12, 7, 15, 21, 27] in a programming language. You wish to access the third element of this array using zero-based indexing. Which of the following sorts of access will provide you the desired result?

A- arr[0]

B- arr[2]

C- arr[1]

D- arr[3]

Explanation

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In zero-based indexing, the first element of the array is at index 0, second element is at index 1, and so forth. Therefore, the third element is at index 2. arr[0] accesses the first element of the array in zero-based indexing, not the third. arr[1] will access the second element of the array in zero-based indexing, not the third. arr[3] will access the fourth element of the array in zero-based indexing, not the third.

Explanation

Question 13 Single Choice

In the context of object-oriented programming, what is a property of an object?

A- A property is a contract between an object and its subclasses

B- A property is a characteristic or attribute of an object, used to hold data

C- A property is the relationship between two or more objects

D- A property is a specific action or function the object can perform

Explanation

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In object-oriented programming, properties (also known as attributes) are used to hold information or data for an object. They represent the object's state. Actions or functions that an object can perform are referred to as methods, not properties. The relationship between two or more objects isn't considered a property. This concept is more related to ideas like association, aggregation, and inheritance. A contract between an object and its subclasses is more related to concepts like interfaces or abstract classes, not properties.

Explanation

Question 14 Single Choice

Two routers are installed in a house and both are using default settings. What could represent a security risk?

A- Both routers are using the default SSID and password

B- Both routers support the newest wireless standard 802.11ac

C- Both routers are located near windows

D- Both routers are using different channels

Explanation

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This is a significant security risk as attackers can easily find default credentials online, allowing unauthorized access. Supporting 802.11ac does not inherently pose a security risk. In fact, using the latest standard usually provides improved performance and security. Using different channels can help avoid interference, it's a good practice and doesn't pose a security risk. The location of a router can influence signal strength and coverage, but it doesn't constitute an inherent security risk, except if the network is open or using weak encryption.

Explanation

Question 15 Single Choice

What term is used to describe data that is being transmitted over a network?

A- Plain text

B- Data in transit

C- Data at rest

D- Cipher text

Explanation

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Data in transit (or data in motion) refers to data that is actively being transmitted over a network. Cipher text refers to encrypted data, not specifically to data being transmitted over a network. Data at rest refers to data that is stored on persistent storage media. Plain text refers to unencrypted data, not specifically to data being transmitted over a network.

Explanation

Question 16 Single Choice

Maria, an IT administrator, wants to enhance password security for Dion Training's employees. Which of the following is the BEST policy to implement?

A- Implement a password manager tool to generate and store complex passwords for each employee.

B- Encourage employees to use simple and common dictionary words as passwords for easy memorization.

C- Allow employees to share passwords within their department for ease of collaboration.

D- Enforce a password minimum length of 4.

Explanation

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Implementing a password manager tool is the best approach to achieve enhanced password security. Password managers can generate and store complex passwords for each employee, eliminating the need for employees to remember multiple passwords while ensuring strong and unique passwords for each account. Password managers also encrypt the stored passwords, enhancing their security. Encouraging the use of simple and common dictionary words as passwords is a bad practice. Such passwords are easy to guess and are susceptible to dictionary attacks or brute-force attacks. Employees should use strong passwords that combine random words, numbers, and special characters to enhance security. Allowing employees to share passwords within their department is a significant security risk. It violates the principle of individual accountability and makes it difficult to trace actions back to specific users in case of security incidents. Password sharing should never be allowed as it compromises the confidentiality and integrity of the organization's systems. Enforce a password minimum length of 4 would be counterproductive and jeopardize the security of the account due to the ease of cracking a password of such short length.

Explanation

Question 17 Single Choice

Which of the following is unique to each network device and cannot be changed?

A- MAC address

B- Network name

C- Serial number

D- IP address

Explanation

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A Media Access Control (MAC) address is a unique identifier assigned to a network interface controller (NIC) for use as a network address. Unlike IP addresses, MAC addresses are typically hardcoded by the manufacturer and can't be changed. IP addresses are assigned by the network based on DHCP or static assignment and can change over time or when moving between networks. While a serial number can be unique to a device, it is not specific to networking and can also be used on non-network devices. The name of a network can be changed by an administrator, hence, it is not unique or unchangeable.

Explanation

Question 18 Single Choice

Which of the following is NOT primarily used as an output device in a computer system?

A- Speakers

B- Printer

C- Scanner

D- Monitor

Explanation

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A scanner is an input device. It digitizes physical documents or images and feeds this digital format into the computer system. It does not output information from the computer. A printer is an output device that materializes data from a computer into a physical format, usually onto paper. Speakers are output devices that translate audio information from the computer into sounds that are audible to the user. A monitor is an output device that visually displays data processed by the computer. It outputs information in a form that's perceivable by the user.

Explanation

Question 19 Single Choice

John, a project manager at Dion Training, wants to terminate a resource-hungry application. Which of the following would BEST help achieve this?

A- Process management/scheduling

B- Access control/protection

C- Disk management

D- Memory management

Explanation

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Process management/scheduling is an operating system feature that handles application execution, allowing John to terminate a resource-intensive application. Memory management controls how system memory is assigned and used, but doesn't specifically allow for application termination. Access control/protection governs user rights and permissions, but it does not give the ability to terminate applications. Disk management handles how storage is allocated and used, not controlling running applications.

Explanation

Question 20 Single Choice

In SQL, which statements are used to grant or deny specific rights to user accounts over objects in the database?

A- Data Manipulation Language (DML)

B- Data Query Language (DQL)

C- Data Definition Language (DDL)

D- Data Control Language (DCL)

Explanation

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DCL commands in SQL, such as GRANT and DENY, are used to control access rights for user accounts over objects in the database. They allow specific permissions to be granted or denied to users for performing actions on tables, columns, views, and the database itself. Data Query Language (DQL) is not a widely used term in SQL. While queries are an essential part of retrieving data, the term DQL is not commonly used to represent a specific category of commands related to granting or denying access rights. Data Definition Language (DDL) commands, such as CREATE and DROP, are used to define and manage the structure of a database, including creating tables, altering table structures, and defining constraints. DDL commands do not directly deal with granting or denying access rights to user accounts. Data Manipulation Language (DML) commands are used to manipulate data within a database, such as inserting, updating, or querying records. DML commands do not directly involve granting or denying specific rights to user accounts.

Explanation

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