Free Practice Questions for CompTIA FC0-U61 Exam

 Ann’s IP-based security camera requires an Internet connection and a wireless router to function properly. The camera has an LED light indicating it has power, which means it is not malfunctioning due to the power interruption. However, the power interruption may have affected Ann’s Internet connection and wireless router, which are still down. This would prevent the camera from communicating with the network and the cloud service that stores the video footage. References : The Official CompTIA IT Fundamentals (ITF+) Study Guide (FC0-U61), page 178.

 A query language is a type of programming language that is used to manipulate and retrieve data from databases. A query language allows users to specify what data they want to access, filter, sort, join, or perform calculations on, without having to know how the data is stored or organized. A query language usually consists of keywords, operators, expressions, and clauses that form statements or commands. One of the most common and widely used query languages is SQL (Structured Query Language), which is supported by many relational database management systems (RDBMS).

A query language would most likely include tables and the select command, as these are essential components of working with databases. A table is a collection of data that is organized into rows and columns, where each row represents a record and each column represents a field or an attribute. A table can have a name, a schema (the definition of the columns and their data types), and constraints (the rules that enforce the integrity and validity of the data). For example, in the following SQL code, a table named Customers is created with four columns: CustomerID, Name, Email, and Phone:

References:

CompTIA IT Fundamentals+ (ITF+) Certification Exam Objectives, page 16, section 4.1

CompTIA IT Fundamentals+ (ITF+) Study Guide, page 209, section 8.2

CompTIA IT Fundamentals+ (ITF+) All-in-One Exam Guide, Second Edition, page 303, chapter 9

Table Design | CompTIA IT Fundamentals+ (FC0-U61) | Part 29 of 38

The outcome of a text message that is encrypted from its original form is best described as a cipher. A cipher is a text message that has been transformed into an unreadable or unintelligible form by using an encryption algorithm and a key. Encryption is the process of converting plain text into cipher text to protect the confidentiality, integrity, and authenticity of the message. A vector is not a term used in encryption, but it may refer to a data structure that can store multiple values of the same data type in an ordered sequence. Plain is not a term used in encryption, but it may refer to the original or unencrypted form of a text message. An algorithm is not the outcome of encryption, but it is the method or procedure that is used to perform encryption or decryption. References: The Official CompTIA IT Fundamentals (ITF+) Student Guide (Exam FC0-U61), Chapter 7: Security Concepts1

This pseudocode snippet correctly implements the requirement to apply a cost-of-living increase to employees making less than $15 per hour. By using a loop (For all employees in the list), it ensures that every employee meeting the condition (making less than $15 per hour) will have their salary adjusted by multiplying it by 1.032. This approach efficiently processes each relevant entry just once and applies the necessary increase accurately.

References: CompTIA IT Fundamentals documents typically cover basic programming concepts and logic, including how to use loops and conditions in pseudocode to manipulate data based on specific criteria.

A cellphone is the most ideal computing device for point-of-sale transactions in a retail store where salespeople roam around. A cellphone is portable, wireless, and has features such as cameras, scanners, and touchscreens that can facilitate payment processing and customer interaction. A workstation is a desktop computer that is designed for high-performance tasks, but it is not portable or wireless. A laptop is a portable computer that can run on battery power, but it is not as convenient or compact as a cellphone. A thin client is a computer that relies on a server for most of its processing and storage, but it is not suitable for point-of-sale transactions without network connectivity. References: The Official CompTIA IT Fundamentals (ITF+) Student Guide (Exam FC0-U61), Chapter 1: IT Fundamentals1

 1.22Gbps would be the fastest transfer rate when transferring a file across the network among the given options. A transfer rate is a measure of how much data can be transmitted or received over a network in a given time. A transfer rate is usually expressed in bits per second (bps) or its multiples, such as Kbps (kilobits per second), Mbps (megabits per second), or Gbps (gigabits per second). A higher transfer rate means faster data transmission or reception. 1.22Gbps is equivalent to 1,220Mbps, which is higher than 110Mbps, 123Mbps, or 1001Kbps. References : The Official CompTIA IT Fundamentals (ITF+) Study Guide (FC0-U61), page 164.

NTFS stands for New Technology File System, which is the most secure file system among the given options. NTFS is a file system that was developed by Microsoft for Windows operating systems. NTFS supports features such as encryption, compression, permissions, quotas, and auditing, which enhance the security and performance of the file system. FAT32 stands for File Allocation Table 32, which is a file system that was developed by Microsoft for older versions of Windows and DOS operating systems. FAT32 does not support encryption, compression, permissions, quotas, or auditing, and it has limitations on the size of files and partitions that it can handle. NFS stands for Network File System, which is a file system that was developed by Sun Microsystems for Unix and Linux operating systems. NFS allows users to access files on remote servers as if they were local files, but it does not support encryption or compression. exFAT stands for Extended File Allocation Table, which is a file system that was developed by Microsoft for flash drives and other removable media. exFAT supports larger files and partitions than FAT32, but it does not support encryption, compression, permissions, quotas, or auditing. References: The Official CompTIA IT Fundamentals (ITF+) Student Guide (Exam FC0-U61), Chapter 4: Operating System Fundamentals

Database software would be the best application to create a list that contains names, contact information, and sales records that can be edited by multiple people at the same time. Database software is an application that allows users to create, store, access, manipulate, and analyze data in an organized and structured way. Database software can store various types of data in tables, records, fields, or other structures. Database software can also support queries, reports, transactions, security, backup, and recovery functions. Database software can allow multiple users to edit the same data concurrently with proper permissions and controls. References : The Official CompTIA IT Fundamentals (ITF+) Study Guide (FC0-U61), page 142.

Redundant power is the best example of fault tolerance among the given business continuity concepts. Fault tolerance refers to the ability of a system to continue functioning despite failures or errors in some of its components. Redundant power provides backup sources of electricity in case of power outages or surges, ensuring uninterrupted operation of critical systems. Data restoration refers to the process of recovering lost or corrupted data from backups or other sources. Disaster recovery refers to the plan and procedures for restoring normal business operations after a major disruption, such as a natural disaster or a cyberattack. Restoring access refers to the process of granting users the ability to use systems or resources that were previously unavailable or inaccessible. References: The Official CompTIA IT Fundamentals (ITF+) Student Guide (Exam FC0-U61), Chapter 7: Security Concepts1

To block application traffic on specific ports from entering a local area network (LAN), the most effective device is a firewall. A firewall serves as a security gatekeeper between your internal network and the outside world. It monitors incoming and outgoing network traffic based on predetermined security rules and can block specific traffic deemed unsafe or unauthorized. In this scenario, if the administrator wishes to prevent certain application traffic from entering the network, configuring the firewall to deny traffic coming through those specific ports would be an effective solution. This configuration helps in protecting the network against potential intrusions or harmful traffic that could exploit open ports.

References: Firewalls are covered extensively in CompTIA IT Fundamentals and other IT security documentation. These resources detail how firewalls can be configured to block specific types of traffic, a fundamental aspect of network security.