FC0-U71 Practice Exam 56 — 20 Questions

Question 1

Which security principle is being applied?

Accepted Answer

Least privilege. The principle of least privilege ensures that users or systems are granted only the minimum permissions necessary to perform their tasks. By granting only what is required, the attack surface is reduced, limiting potential damage from compromised accounts or accidental misuse.

Answer

Need to know

Answer

Separation of duties

Answer

Defense in depth

Question 2

A medium-sized company uses a customer relationship management (CRM) application that is accessed by 50 employees. The application is installed on a local server and uses a shared database. Recently, employees have reported that the application is becoming slow and sometimes times out. The IT staff has verified that there is no network congestion and the server has adequate resources. The application logs show that the database file has grown significantly over the past year. Which of the following is the MOST likely cause of the performance issue and the BEST solution?

Accepted Answer

The database is too large; archive old records to improve performance.. The database file has grown significantly over the past year, which directly increases the time required for queries, indexing, and data retrieval. Archiving old records reduces the database size, improves query performance, and resolves timeouts without requiring hardware changes. This is a common database maintenance task for CRM systems that accumulate historical data.

Answer

The application needs to be reinstalled; reinstall it on the server.

Answer

The server needs more RAM; add additional memory.

Answer

The network is the bottleneck; upgrade to a faster network switch.

Question 3

A network technician is analyzing a hexadecimal IP address representation. Which TWO of the following are common uses of hexadecimal notation? (Select TWO).

Accepted Answer

It is used for memory addresses and MAC addresses.. In the context of IP address representation, hexadecimal notation is used for memory addresses and MAC addresses (option B) and for HTML color codes (option E). Options A and C, while generally true about hexadecimal, are not specifically about its use in IP address representation. Option D is false because hexadecimal is base-16, not base-8.

Answer

It uses digits 0-9 and letters A-F.

Answer

Each hexadecimal digit represents 4 bits.

Answer

It is a base-8 system.

Question 4

Which TWO of the following are best practices for creating and managing passwords?

Accepted Answer

Enable multi-factor authentication where available. Options C and D are correct. Enabling multi-factor authentication adds an extra layer of security beyond just a password, making it much harder for attackers to gain access. Using a unique password for each online account prevents a single breach from compromising multiple accounts. Option A is wrong because sharing passwords undermines accountability and security. Option B is wrong because reusing passwords, even if changed every 90 days, is still poor practice; the best practice is to use unique passwords and not reuse them. Option E is wrong because writing down passwords near the computer exposes them to theft.

Answer

Share passwords with colleagues in the same department to improve collaboration

Answer

Reuse passwords every 90 days

Answer

Write down passwords on a sticky note and keep it near the computer

Question 5

Which TWO of the following are commonly considered business productivity software? (Select TWO.)

Accepted Answer

Word processing software. Word processing software (A) and spreadsheet software (C) are core business productivity tools used for creating documents and analyzing data. Video editing (B) and graphic design (D) are creative or multimedia applications, not general productivity. Database management systems (E) are used for data storage and retrieval, but are not typically classified as business productivity software.

Answer

Video editing software

Answer

Graphic design software

Answer

Database management system

Question 6

A small business wants to store customer contact information and order history. The data is structured and relationships between customers and orders must be enforced. Which type of database is most appropriate?

Accepted Answer

Relational database. A relational database (Option B) is best for structured data with relationships. NoSQL (Option C) is for unstructured data, flat file (Option A) lacks relationships, and hierarchical (Option D) is less flexible.

Answer

Flat-file database

Answer

NoSQL database

Answer

Hierarchical database

Question 7

A small business purchases a cable modem from the ISP. They need to obtain a public IP address to access the internet. Which method does the cable modem typically use?

Accepted Answer

DHCP. Cable modems typically use DHCP to obtain a public IP address from the ISP. When the modem powers on, it sends a DHCPDISCOVER broadcast, and the ISP's DHCP server responds with an IP address, subnet mask, default gateway, and DNS server information. This is the standard method for dynamically assigning public IP addresses to customer premises equipment (CPE) in cable networks.

Answer

NAT

Answer

Static assignment

Answer

APIPA

Question 8

Which THREE of the following are characteristics of object-oriented programming (OOP)? (Select THREE).

Accepted Answer

Polymorphism. Polymorphism is a core OOP concept that allows objects of different classes to be treated as objects of a common superclass, with method calls resolved at runtime based on the actual object type. This enables one interface to be used for a general class of actions, with specific behavior determined by the specific object instance.

Answer

Top-down design

Answer

Sequential execution

Question 9

A user has just installed a new word-processing application on their laptop. When the user tries to open the application for the first time, a window appears asking for a product key. The user purchased the software online and received an email with the product key. Where should the user enter the product key to activate the software?

Accepted Answer

Enter the product key into the activation window that appeared.. The activation window that appears when launching the application is the standard interface for entering a product key. This window is generated by the application itself, not the operating system, and is the intended mechanism to validate the license before full functionality is granted.

Answer

Look for the product key field in the application's 'File' menu.

Answer

Open the operating system's settings and navigate to 'Activation'.

Answer

Close the activation window and try to use the software without activation.

Question 10

Which of the following is the result of the binary operation 1101 AND 1011?

Accepted Answer

1001. AND operation: 1 AND 1 = 1, 1 AND 0 = 0, 0 AND 1 = 0, 1 AND 1 = 1. So 1101 AND 1011 = 1001 (binary).

Answer

1111

Answer

1011

Answer

1101

Question 11

A network printer should always receive the same IP address to ensure reliable access. Which configuration method guarantees this?

Accepted Answer

Static IP address. A static IP address is manually configured on the printer itself, ensuring it never changes regardless of network conditions or DHCP server availability. This guarantees the printer always receives the same IP address because the assignment is hard-coded and not subject to lease expiration or server failures.

Answer

DHCP reservation

Answer

Dynamic IP address

Answer

APIPA

Question 12

A company has two departments on separate floors and wants to connect them into a single local area network (LAN). Which device should be used to interconnect the switches on each floor?

Accepted Answer

Switch. A switch is the correct device because it operates at Layer 2 (Data Link layer) and can forward frames based on MAC addresses, allowing multiple switches to be interconnected to extend a single broadcast domain and form a larger LAN. Connecting switches on different floors via Ethernet cables or fiber uplinks creates a unified local area network without requiring routing or network-layer addressing.

Answer

Router

Answer

Modem

Answer

Hub

Question 13

After a ransomware attack, which step should be taken FIRST in the incident response process?

Accepted Answer

Disconnect affected systems from network. The first step in incident response after a ransomware attack is to contain the threat by disconnecting affected systems from the network. This prevents the ransomware from encrypting additional files on other systems and stops lateral movement, which is critical because ransomware often uses network shares and SMB protocols to spread. Immediate isolation preserves forensic evidence and limits the scope of the incident before any other actions are taken.

Answer

Notify law enforcement

Answer

Restore from backup

Answer

Pay the ransom

Question 14

A junior developer needs to create a simple program that adds two numbers and displays the result. Which programming paradigm is most suitable for this task?

Accepted Answer

Procedural programming. Procedural programming is the most suitable paradigm for a simple program that adds two numbers and displays the result because it follows a linear, step-by-step sequence of instructions. The developer writes a series of statements (e.g., `result = a + b; print(result)`) that execute in order, directly mapping the task's logic without unnecessary abstraction. This paradigm is ideal for small, straightforward tasks where clarity and direct control over execution flow are paramount.

Answer

Functional programming

Answer

Declarative programming

Answer

Object-oriented programming

Question 15

A team of developers is working on a large project with multiple features. They use a version control system. One developer creates a new branch to develop a feature, while other developers continue working on the main branch. After completing the feature, the developer wants to combine the changes from the feature branch back into the main branch. What version control operation should be performed?

Accepted Answer

Merge. The correct operation is 'Merge' (D), which combines the changes from the feature branch into the main branch. In Git, merging integrates the commit history of two branches, preserving the feature's work while incorporating it into the target branch. This is the standard workflow for bringing a completed feature back into the main line of development.

Answer

Pull request

Answer

Fork

Answer

Commit

Question 16

A developer is writing pseudocode for a program that calculates the average of a list of numbers. Which THREE of the following are valid components that would likely appear in the pseudocode? (Select THREE.)

Accepted Answer

Initialize sum to 0. Initializing a variable (like sum) to a starting value (0) is a fundamental step in accumulation algorithms. Without this initialization, the sum would contain an undefined or garbage value, leading to incorrect results. This is a standard practice in pseudocode and real programming languages alike.

Answer

Define a class named Calculator

Answer

Execute SQL query to retrieve numbers from database

Question 17

Which of the following best describes the purpose of a REST API?

Accepted Answer

To allow software applications to communicate with each other. A REST API (Representational State Transfer Application Programming Interface) is a set of architectural constraints that enables software applications to communicate over HTTP using standard methods like GET, POST, PUT, and DELETE. It allows different systems, often written in different languages, to exchange data in formats such as JSON or XML, making it the correct choice for enabling inter-application communication.

Answer

To compile source code into executable programs

Answer

To create a graphical user interface

Answer

To define a database schema

Question 18

A company needs to store an organizational chart showing reporting relationships. Which database model is most appropriate?

Accepted Answer

Hierarchical. A hierarchical database model is most appropriate for storing an organizational chart because it naturally represents parent-child relationships, such as manager-subordinate reporting lines, in a tree-like structure. This model allows each record to have a single parent and multiple children, directly mirroring the one-to-many relationships in a reporting hierarchy.

Answer

Relational

Answer

Document

Answer

Graph

Question 19

A programmer writes a step-by-step description of a solution in plain English without using any specific programming language syntax. What is this description called?

Accepted Answer

Pseudocode. Pseudocode describes an algorithm using natural language and basic structures, independent of programming language.

Answer

Source code

Answer

Bug report

Answer

Flowchart

Question 20

A user wants to ensure software is legitimate and free from malware before installation. Which THREE of the following are recommended practices?

Accepted Answer

Read user reviews and check hash values. Reading user reviews can reveal community reports of malware or tampering, and checking hash values (e.g., SHA-256) against the vendor's published digest verifies file integrity, ensuring the software hasn't been altered. This combination provides both social and cryptographic verification of legitimacy.

Answer

Use a cracked version to save money

Answer

Disable antivirus to speed up installation