Network Security Best Practices: Master Password Management, Software Updates, and Security Audits

Question 1

Which password management best practice is most effective in preventing unauthorized access to network resources?

Accepted Answer

Using strong and unique passwords for each account

Answer

Reusing passwords across multiple accounts

Answer

Storing passwords in plain text

Answer

Changing passwords frequently

Question 2

What is the primary purpose of performing regular software updates?

Accepted Answer

To patch security vulnerabilities and fix bugs

Answer

To improve network performance only

Answer

To add new features to applications only

Answer

To comply with industry regulations only

Question 3

Which type of security audit involves analyzing network logs and identifying potential security breaches?

Accepted Answer

Log analysis

Answer

Vulnerability assessment

Answer

Penetration testing

Answer

Compliance audit

Question 4

What is a firewall's primary function in a network security system?

Accepted Answer

To detect and block unauthorized network traffic

Answer

To encrypt data transmissions

Answer

To provide secure remote access

Answer

To monitor network performance only

Question 5

What is the purpose of using a VPN in a network security setup?

Accepted Answer

To create a secure tunnel for data transmission

Answer

To block unauthorized access to sensitive resources only

Answer

To monitor network traffic only

Answer

To provide remote access to network resources only

Question 6

Which security best practice involves implementing multiple layers of security measures?

Accepted Answer

Defense in depth

Answer

Least privilege

Answer

Separation of duties

Answer

Risk management

Question 7

What is the most common type of network security attack that targets user credentials?

Accepted Answer

Phishing

Answer

SQL injection

Answer

Denial of service (DoS)

Answer

Man-in-the-middle attack

Question 8

Which network security standard defines a set of best practices for protecting critical infrastructure?

Accepted Answer

NIST 800-53

Answer

ISO 27001

Answer

CISSP

Answer

PCI DSS

Question 9

What is the purpose of conducting a risk assessment in network security?

Accepted Answer

To identify potential security risks and vulnerabilities

Answer

To implement security measures to address risks only

Answer

To monitor and evaluate the effectiveness of security measures only

Answer

To comply with industry regulations only

Question 10

According to industry standards, which password storage method is considered the most secure?

Accepted Answer

Storing passwords in an irreversible hash format

Answer

Storing passwords in a reversible encryption format

Answer

Storing passwords in plain text

Answer

Storing passwords in a cloud-based password manager

Question 11

To enhance network security, which of the following is a recommended password management practice?

Accepted Answer

Storing passwords securely in a reputable password manager

Answer

Using passwords that are easy to remember and shareable

Answer

Reusing the same password across multiple online accounts

Answer

Sharing passwords with trusted colleagues for ease of access

Question 12

What is a key benefit of implementing a firewall in a network security architecture?

Accepted Answer

It monitors and filters network traffic based on defined security rules

Answer

It encrypts data transmitted over the network to prevent eavesdropping

Answer

It detects and blocks malware and viruses attempting to enter the network

Answer

It provides intrusion detection and prevention capabilities

Question 13

Which encryption algorithm is commonly used to secure data transmitted over the internet?

Accepted Answer

AES, known for its symmetric encryption capabilities

Answer

SHA-256, primarily used for hashing and digital signatures

Answer

MD5, an older algorithm no longer considered secure

Answer

RSA, an asymmetric encryption algorithm used for secure key exchange

Question 14

Which of the following is a characteristic of a social engineering attack?

Accepted Answer

Phishing emails or messages that attempt to trick users into revealing sensitive information

Answer

Malware that infects systems and steals data

Answer

Brute force attacks that guess passwords or encryption keys

Answer

Cross-site scripting vulnerabilities that allow attackers to inject malicious code into websites

Question 15

Which of the following is **NOT** a best practice for password management?

Accepted Answer

Use the same password for multiple accounts.

Answer

Create passwords with a minimum of 12 characters.

Answer

Store passwords securely, such as in a password manager.

Answer

Change passwords on a regular basis.

Question 16

What is the primary purpose of performing software updates?

Accepted Answer

To fix security vulnerabilities.

Answer

To add new features to software.

Answer

To improve software performance.

Answer

To comply with legal regulations.

Question 17

Which type of security audit involves simulating attacks on a network to test its resilience?

Accepted Answer

Penetration testing

Answer

Vulnerability assessment

Answer

Security risk assessment

Answer

Compliance audit

Question 18

What is the primary function of a firewall?

Accepted Answer

To block unauthorized access to a network.

Answer

To detect and prevent malware infections.

Answer

To encrypt network traffic.

Answer

To monitor network activity.

Question 19

Which of the following is **NOT** a best practice for secure software development?

Accepted Answer

Ignoring secure coding practices

Answer

Conducting code reviews

Answer

Performing input validation

Answer

Using encryption for sensitive data

Question 20

Which of the following is **NOT** a best practice for network segmentation?

Accepted Answer

Allowing unrestricted traffic flow between all network segments.

Answer

Creating separate network segments for different departments.

Answer

Using firewalls to isolate different network segments.

Answer

Implementing access control lists (ACLs) to restrict traffic between segments.

Question 21

Which of the following is a best practice for password management to enhance network security?

Accepted Answer

Create strong, unique passwords for each account

Answer

Store passwords in an unsecured text file

Answer

Share passwords with colleagues for convenience

Question 22

Which of the following is NOT a benefit of keeping software up to date for network security?

Accepted Answer

Increased vulnerability to malware infections

Answer

Improved security by patching vulnerabilities

Answer

Enhanced system performance and stability

Question 23

Which of the following tools is commonly used to perform a security audit of a network?

Accepted Answer

Vulnerability scanner

Answer

Intrusion detection system

Answer

Firewall

Answer

Antivirus software

Question 24

Which of the following is a common type of malware that can compromise network security?

Accepted Answer

Virus

Answer

Router

Answer

Firewall

Question 25

Which of the following is a primary purpose of using a firewall in a network security system?

Accepted Answer

Prevent unauthorized access to the network

Answer

Increase network speed and bandwidth

Answer

Store and manage user passwords securely

Question 26

Which of the following actions is NOT recommended as a network security best practice?

Accepted Answer

Connecting to unsecured public Wi-Fi networks

Answer

Keeping software and firmware up to date

Answer

Using strong and unique passwords

Answer

Installing antivirus and anti-malware software

Question 27

Which of the following is a type of network security control that restricts access to specific resources and data?

Accepted Answer

Access control list (ACL)

Answer

Firewall

Answer

Intrusion detection system

Question 28

Which of the following is a key benefit of using a virtual private network (VPN) for network security?

Accepted Answer

Provides encrypted and secure access to remote networks

Answer

Blocks access to specific websites or content

Answer

Detects and removes malware infections

Answer

Increases internet speed and bandwidth

Question 29

Which of the following is a common social engineering technique used by attackers to gain unauthorized access to networks?

Accepted Answer

Phishing

Answer

VPN

Answer

Firewall

Answer

Router

Question 30

Which of the following is a recommended practice to protect against data breaches and ensure network security?

Accepted Answer

Regularly backing up important data to a secure location

Answer

Leaving sensitive data on unencrypted removable storage devices

Answer

Storing data on multiple computers without backups

Answer

Sharing passwords with colleagues for convenience