112-12 시험 - EC-Council실제시험문제와 답 - 100문항

Question No : 1

Which two factors improve antivirus software efficiency?

A.Frequent updates and real-time protection
B.Increased CPU performance and reduced scans
C.Uninstalling unused software and firewalls
D.Disabling non-essential system processes

정답:
Explanation:
Regular updates and real-time protection keep antivirus software prepared for current threats and ensure constant monitoring.

Question No : 2

What is the best method to remove stubborn malware from a system?

A.Reinstalling the operating system.
B.Running an antivirus scan in safe mode.
C.Disabling internet connectivity.
D.Restarting the system in normal mode.

정답:
Explanation:
Running antivirus software in safe mode helps remove malware by preventing it from running during the scan.

Question No : 3

What is the primary risk of not updating antivirus software regularly?

A.Slower system performance.
B.Inability to detect new types of malware.
C.Reduced file storage capacity.
D.Increased encryption overhead.

정답:
Explanation:
Outdated antivirus software lacks recognition of the latest malware signatures, leaving systems vulnerable to emerging threats.

Question No : 4

Which two steps should be taken to ensure antivirus effectiveness?

A.Schedule regular scans and keep software updated.
B.Disable real-time protection and use manual scans.
C.Remove software firewalls and enable default settings.
D.Install multiple antivirus programs for redundancy.

정답:
Explanation:
Regular scans and updates keep antivirus software effective against new and existing threats.

Question No : 5

What is the purpose of real-time scanning in antivirus software?

A.To scan the system only during idle times.
B.To monitor and detect threats as they occur.
C.To analyze encrypted files for malware.
D.To speed up the system’s processing time.

정답:
Explanation:
Real-time scanning continuously monitors system activity to identify and neutralize threats immediately.

Question No : 6

Which type of malware is designed to track keyboard input?

A.Ransomware
B.Keylogger
C.Worm
D.Trojan horse

정답:
Explanation:
Keyloggers record keystrokes to capture sensitive information, such as passwords and financial details.

Question No : 7

What is the role of a quarantine feature in antivirus software?

A.Deleting all detected malware files.
B.Isolating suspicious files to prevent them from running.
C.Backing up infected files for recovery.
D.Encrypting files to protect them from malware.

정답:
Explanation:
Quarantine isolates potentially harmful files, preventing them from executing while allowing safe analysis or deletion.

Question No : 8

What is the primary difference between a virus and a worm?

A.A virus replicates only via user interaction, while a worm spreads automatically.
B.A virus targets hardware, while a worm targets networks.
C.A virus encrypts data, while a worm deletes files.
D.A virus is easier to detect than a worm.

정답:
Explanation:
A virus requires user interaction, such as running an infected file, while a worm spreads across networks automatically.

Question No : 9

What is the first step in the process of installing antivirus software?

A.Running a full system scan.
B.Checking the system for existing malware.
C.Downloading the software from a trusted source.
D.Updating the software definitions.

정답:
Explanation:
The installation process begins with downloading antivirus software from a reliable source to ensure its integrity.

Question No : 10

How does adware affect a system?

A.Encrypts system files until a ransom is paid.
B.Displays unwanted advertisements, sometimes compromising privacy.
C.Deletes critical system files.
D.Modifies system settings to reduce performance.

정답:
Explanation:
Adware generates unwanted advertisements and may collect user data to target personalized ads, affecting system usability.

Question No : 11

Which of the following is a step to prevent malware infections? (Choose two)

A.Regularly update operating systems and software.
B.Avoid using antivirus software to reduce system overhead.
C.Open email attachments from unknown senders.
D.Download software only from trusted sources.

정답:
Explanation:
Keeping systems updated and downloading from trusted sources minimizes vulnerabilities that malware can exploit.

Question No : 12

Which type of malware modifies its code to avoid detection?

A.Polymorphic malware
B.Spyware
C.Adware
D.Keylogger

정답:
Explanation:
Polymorphic malware frequently changes its code structure, making it harder for antivirus programs to detect.

Question No : 13

What should be done after installing antivirus software?

A.Disconnect the system from the internet.
B.Update the software and run a full system scan.
C.Disable real-time scanning to improve performance.
D.Perform a factory reset on the system.

정답:
Explanation:
Updating antivirus software ensures it recognizes the latest threats, and running a full system scan identifies existing malware.

Question No : 14

Which two features are commonly found in antivirus software?

A.Real-time scanning and scheduled scans
B.Data encryption and physical security
C.Intrusion detection and firewall settings
D.Multi-factor authentication and password management

정답:
Explanation:
Antivirus software often includes real-time scanning to detect threats as they occur and scheduled scans for regular system checks.

Question No : 15

What is a Trojan horse in the context of malware?

A.A type of malware that spreads without user interaction.
B.Malware disguised as legitimate software.
C.A malicious program that targets network hardware.
D.A virus embedded in hardware devices.

정답:
Explanation:
Trojan horses appear as legitimate applications but execute malicious activities when run.

EC-Council 112-12 시험