CompTIA Updated FC0-U61 Exam Questions and Answers by tomas

 SMTP and POP3 are the most likely network protocols that will be used when sending and receiving Internet email. SMTP stands for Simple Mail Transfer Protocol, which is a protocol that enables the transmission of email messages from a client to a server or from one server to another. SMTP is used to send outgoing email messages. POP3 stands for Post Office Protocol version 3, which is a protocol that enables the retrieval of email messages from a server to a client. POP3 is used to download incoming email messages. References : The Official CompTIA IT Fundamentals (ITF+) Study Guide (FC0-U61), page 166.

 A touch-screen monitor is a device that can function as both an input and output device. An input device is a device that allows users to enter data or commands into a computer or system. An output device is a device that displays or produces data or information from a computer or system. A touch-screen monitor can function as an input device by detecting the touch or gesture of the user on the screen and sending the corresponding signal to the computer or system. A touch-screen monitor can also function as an output device by showing visual information on the screen. A microphone, a speaker, and a keyboard are not devices that can function as both an input and output device. A microphone is an input device that allows users to record sound or voice into a computer or system. A speaker is an output device that plays sound or voice from a computer or system. A keyboard is an input device that allows users to type text or characters into a computer or system. References: CompTIA IT Fundamentals+ Study Guide: Exam FC0-U61, Second Edition, Chapter 3: Computing Components, page 106.

 Non-repudiation is a security concept that refers to the ability to prove the origin and authenticity of an action or communication, such as an email or a document. Non-repudiation prevents someone from denying their involvement or responsibility for something they have done or sent. Non-repudiation can be achieved by using methods such as digital signatures, encryption, timestamps, or biometric data. For example, scanning the retinas of new applicants can provide non-repudiation in case of any future legal questions regarding who applied for the position89. References := CompTIA IT Fundamentals (ITF+) Study Guide, 2nd Edition, Chapter 6: Security3; What is Non-Repudiation? - Definition from Techopedia10

 A database would be the best place to store data that requires analysis from multiple sources, such as sales, inventory, marketing, and compensation data. A database is a collection of organized and related data that can be stored, accessed, manipulated, and analyzed by software applications or users. A database can store various types of data, such as text, numbers, dates, images, etc., in tables, records, fields, or other structures. A database can also support queries, reports, transactions, security, backup, and recovery functions. References : The Official CompTIA IT Fundamentals (ITF+) Study Guide (FC0-U61), page 142.