Pass the CompTIA IT Fundamentals FC0-U61 Questions and answers with CertsForce

A vector is a type of data structure that can store a collection of data of the same data type in a dynamic sequence. A vector can grow or shrink in size as data is added or removed from it. A vector would be the best option for storing a collection of data in programming because it can accommodate different amounts of data and allow fast access to any element by using its index number. Repeating a similar operation, capturing user input, and performing mathematical calculations are not purposes of a vector in programming. References: CompTIA IT Fundamentals+ Study Guide: Exam FC0-U61, Second Edition, Chapter 4: Programming Concepts and Data Structures, page 148.

Failover is a technique that ensures high availability of databases by switching to a backup or standby server in case of a primary server failure. Failover can be automatic or manual, depending on the configuration. Failover can prevent data loss and downtime for critical applications that rely on databases. References: The Official CompTIA IT Fundamentals (ITF+) Student Guide (Exam FC0-U61), Chapter 5, Section 5.3, Page 222.

Using private browsing (or "incognito mode") while accessing sensitive information on a public computer is the best approach to prevent others from seeing what was done during that session. Private browsing does not save a record of browsing history, cookies, or form data, effectively ensuring that subsequent users of the public computer cannot easily retrieve this information from the browsing session.

References: Internet security practices, including the benefits of private browsing, are typically included in CompTIA IT Fundamentals documentation, which covers essential cybersecurity measures for protecting personal information.

The ability to recover access to a specific account if a credential is forgotten is typically handled through a "password reset" mechanism. This process allows users to regain access to their accounts by verifying their identity through alternative methods (such as registered email addresses or security questions) and then creating a new password. Password reset systems are crucial for maintaining account security while ensuring users can regain access even if they forget their passwords.

References: The concept of password reset is standard in IT security protocols and is often discussed in CompTIA IT Fundamentals study materials, highlighting its importance in user account management and security practices.

Installing updates is one of the best steps to address stability issues on a workstation. Updates often contain patches for known bugs, security vulnerabilities, and performance improvements that can significantly enhance system stability. Keeping both the operating system and applications up to date is a standard best practice in IT maintenance.

A. Install a malicious software analyzer is a security measure, not directly related to stability.

B. Install a firewall protects against external threats but does not resolve internal stability issues.

C. Install browsing controls manages web access but does not improve system stability.

References:

CompTIA A+ Certification Study Guide

Official CompTIA IT Fundamentals (ITF+) Documentation

A query is the most common method used by developers to insert data into a database table. SQL (Structured Query Language) queries are written to perform actions like adding, retrieving, or updating records in the database. For example, an INSERT INTO query would add new data to a specific table.

A. Concatenation is used to combine strings or data but not for adding data to a database.

C. Loop refers to repeating actions in programming, unrelated to database inserts.

D. Macro automates tasks, but it’s not specifically used for inserting data into a table.

References:

CompTIA IT Fundamentals (ITF+) Certification Study Guide

Official CompTIA Database Fundamentals Materials

A business continuity site is designed to ensure that business operations can continue in the event of a major disruption, such as a service outage. This availability concern is mitigated by having backup sites that can take over operations if the primary site is compromised or offline, ensuring that the organization remains functional.

B. Wiretapping and C. Eavesdropping are security concerns related to unauthorized access to communications.

D. Replay attack is a network security threat, not directly related to availability.

References:

CompTIA Security+ Certification Guide

Business Continuity and Disaster Recovery Planning

Float is a data type that can store decimal or fractional numbers, such as 3.14, 0.5, or -2.75. Float would be the best data type to use for storing monetary values because monetary values often involve decimals, such as $1.99, 0.25,or-5.50. Integer is a data type that can only store whole numbers, such as 1, 0, or -2. Integer would not be suitable for storing monetary values that have decimals. The other options are not data types that can store numerical values. References: CompTIA IT Fundamentals+ Study Guide: Exam FC0-U61, Second Edition, Chapter 4: Programming Concepts and Data Structures, page 146.

Password reuse is the practice of using the same password for multiple accounts or services. Password reuse would increase the risk of account security on other sites if a large payment website was breached recently. If the attackers obtained the user’s password from the breached website, they could try to use it to access the user’s accounts on other sites. Password reuse should be avoided and different passwords should be used for different accounts or services. Password history, password expiration, and password age are not password best practices that would mitigate this risk. Password history is the record of previous passwords that a user has used for an account or service. Password expiration is the time limit for using a password before it needs to be changed. Password age is the length of time that a password has been in use. References: CompTIA IT Fundamentals+ Study Guide: Exam FC0-U61, Second Edition, Chapter 8: Security Concepts, page 308.