FC0-U71 Practice Test 13 — 15 Questions

Question 1

A technician is explaining the difference between volatile and non-volatile memory to a trainee. Which TWO of the following are examples of volatile memory? (Select TWO.)

Accepted Answer

DDR4 RAM. Volatile memory loses data when power is off. RAM (including DDR4 and DDR5) and cache memory (L1/L2/L3) are volatile. ROM and SSDs are non-volatile.

Answer

ROM

Answer

BIOS firmware

Answer

SSD

Question 2

A company requires all employees to use a smart card and a PIN to access the building. This is an example of which concept?

Accepted Answer

Multi-factor authentication. Multi-factor authentication combines something you have (smart card) and something you know (PIN).

Answer

Authorization

Answer

Biometrics

Answer

Single sign-on

Question 3

What is the primary purpose of a firewall?

Accepted Answer

To prevent unauthorized network access. A firewall controls incoming and outgoing network traffic based on predetermined security rules. It filters traffic by port, protocol, or IP address to block unauthorized access.

Answer

To encrypt data on the hard drive

Answer

To detect and remove viruses

Answer

To manage user passwords

Question 4

A small independent bookstore has been operating for several years using a single Microsoft Excel spreadsheet to manage its inventory, sales, and customer data. The spreadsheet contains over 10,000 rows and is shared among five employees. Recently, employees have noticed recurring data quality issues: the same book appears multiple times in the inventory list with different prices, some sales records reference book titles that do not exist in the inventory, and customer contact information is duplicated across rows. Because there are no constraints, employees can enter any value into any cell. The owner wants to implement a more robust system to eliminate data redundancy and ensure data integrity. The bookstore has a budget for new software and some technical support. The owner is not very technical but is willing to hire a consultant. Which action should be taken to best address these problems?

Accepted Answer

Migrate to a relational database with normalized tables and foreign key constraints. Migrating to a relational database with normalized tables and foreign key constraints directly addresses the data redundancy and integrity issues. Normalization splits data into separate tables (e.g., Books, Sales, Customers) to eliminate duplicate entries, while foreign key constraints ensure that every sales record references a valid book and that customer data is stored once. This approach enforces referential integrity and prevents the anomalies seen in the flat spreadsheet.

Answer

Use a single flat file for all data to simplify data entry

Answer

Implement a NoSQL database for flexibility

Answer

Continue using the spreadsheet but add data validation rules to restrict input

Question 5

Which TWO of the following are examples of multi-factor authentication?

Accepted Answer

A smart card and a PIN. Multi-factor authentication requires two or more different types of authentication factors.

Answer

Two different passwords

Answer

A username and a password

Answer

A password and a security question

Question 6

A small real estate office with 12 employees has been using the same network setup for five years. Employees use both company-issued laptops and personal smartphones to access email and client listings. Last week, an employee clicked a link in a phishing email, which led to a ransomware infection on the company file server. The server was encrypted, and the attackers demanded a ransom. The office had no backups; all client data and contracts were lost. The office manager wants to prevent such incidents in the future. Which of the following should be the FIRST security measure implemented, considering the root cause of the breach?

Accepted Answer

Mandate security awareness training for all employees, focusing on phishing identification. The root cause was a phishing email that tricked an employee. While technical controls like antivirus (A), next-generation firewall (B), and full-disk encryption (C) are valuable, they do not address the human factor. Security awareness training (D) educates users to recognize phishing attempts, reducing the likelihood of similar incidents. Without training, other controls can be bypassed. Option D is the most direct and effective first step.

Answer

Install antivirus software on all company laptops and personal devices

Answer

Deploy a next-generation firewall with intrusion prevention

Answer

Enable full-disk encryption on all company laptops

Question 7

A development team is working on a critical update to an e-commerce website. After deploying the update, they must ensure that existing features (like login and search) still work correctly. Additionally, they want to test the new checkout flow end-to-end. Which TWO types of testing should the team perform?

Accepted Answer

Regression testing. Regression testing (C) is correct because it verifies that existing features like login and search still work after deploying the update, ensuring no new defects were introduced. System testing (D) is correct because it validates the entire integrated system, including the new checkout flow end-to-end, against the specified requirements.

Answer

Unit testing

Answer

Integration testing

Answer

User acceptance testing

Question 8

A user wants to protect their laptop in case it is stolen. Which TWO of the following measures would help protect the confidentiality of the data?

Accepted Answer

Full disk encryption. Full disk encryption (B) protects data at rest by rendering it unreadable without the encryption key, even if the drive is removed. A strong user account password (D) prevents unauthorized login, though it is less effective if the drive is removed. Options A (BIOS password) and C (VPN) do not protect data at rest. Option E (screen lock) only helps if the laptop is stolen while locked but does not protect data if the device is shut down. Thus, B and D are correct.

Answer

A strong password set in the BIOS

Answer

Using a VPN when connected to public Wi-Fi

Answer

Enabling the screen lock with a password

Question 9

A programmer writes a script that automates the backup of files every night. Which type of programming paradigm is this script likely using?

Accepted Answer

Procedural programming. The script automates a fixed sequence of steps (e.g., copy files, verify integrity, log results) executed in order every night. This is the hallmark of procedural programming, which structures code as a linear series of instructions or procedures. The task does not require reacting to events, modeling objects, or avoiding side effects, making procedural the natural fit.

Answer

Event-driven programming

Answer

Object-oriented programming

Answer

Functional programming

Question 10

Which of the following encryption methods is used to protect data in transit over a public network, such as the internet?

Accepted Answer

VPN. A VPN encrypts data traffic over public networks, providing a secure tunnel for data in transit.

Answer

Full disk encryption

Answer

File encryption

Answer

HTTPS

Question 11

A user wants to install a program on their Ubuntu Linux system. Which TWO file extensions are commonly used for Linux installer packages? (Select TWO.)

Accepted Answer

.deb. .deb and .rpm are package formats for Debian-based and Red Hat-based Linux distributions, respectively.

Answer

.dmg

Answer

.exe

Answer

.msi

Question 12

Which of the following best describes the role of an operating system?

Accepted Answer

It manages hardware resources and provides a platform for applications.. An OS manages hardware resources and provides services for application software. It acts as an intermediary between user and hardware.

Answer

It runs only one application at a time.

Answer

It is responsible for data backup and recovery.

Answer

It connects the computer to the internet.

Question 13

A university database includes a table named 'Students' and a table named 'Enrollments'. The 'Enrollments' table has a foreign key column 'StudentID' that references the 'StudentID' primary key in the 'Students' table. The university policy requires that when a student withdraws (i.e., their record is deleted from the 'Students' table), all of their associated enrollment records must be automatically removed to maintain data consistency. The database administrator wants to enforce this rule at the database level. Which referential action should be applied when creating the foreign key constraint on the 'Enrollments' table?

Accepted Answer

ON DELETE CASCADE. (ON DELETE CASCADE) is correct because it automatically deletes all child rows in the 'Enrollments' table when the corresponding parent row in the 'Students' table is deleted. This enforces the university policy of removing associated enrollment records upon student withdrawal, maintaining referential integrity at the database level without manual intervention.

Answer

ON DELETE SET NULL

Answer

ON DELETE NO ACTION

Answer

ON DELETE RESTRICT

Question 14

Which TWO of the following are common Ethernet cable categories used in local area networks?

Accepted Answer

Cat5e. Cat5e and Cat6 are twisted-pair cables commonly used for Ethernet. Coaxial is used for cable TV, HDMI for audio/video, USB for peripherals.

Answer

USB

Answer

Coaxial

Answer

HDMI

Question 15

Which of the following devices is used to connect multiple computers in a local area network and forwards data based on MAC addresses?

Accepted Answer

Switch. A switch operates at Layer 2 (Data Link Layer) of the OSI model and uses MAC addresses to make forwarding decisions. It maintains a MAC address table (CAM table) to learn which port each device is connected to, allowing it to forward frames only to the specific destination port, reducing collisions and improving network efficiency.

Answer

Router

Answer

Hub

Answer

Modem