Exploring Networks and Cybersecurity

What is the primary function of a router in a network?

• The primary function of a router is to direct data packets between different networks.

• To provide a physical connection between devices.

• To amplify the signal strength of a network.

• To store data packets for later use.

Define cybersecurity in your own words.

• Cybersecurity is the process of creating software applications.

• Cybersecurity is the practice of protecting systems, networks, and data from digital attacks and unauthorized access.

• Cybersecurity refers to the protection of physical assets only.

• Cybersecurity is the study of physical security measures.

What is the difference between a virus and a worm?

• A virus needs a host file to spread, whereas a worm is self-replicating and does not need a host.

• A virus is a type of worm that requires a network to spread.

• A worm can only infect computers that are connected to the internet.

• A virus can spread through email attachments, while a worm spreads through social media.

Explain the concept of a firewall.

• A firewall is a type of antivirus software that removes malware from devices.

• A firewall is a device that boosts internet speed by compressing data.

• A firewall is a network security device that monitors and controls network traffic based on security rules.

• A firewall is a physical barrier that prevents unauthorized access to a building.

What does the acronym VPN stand for, and what is its purpose?

• Virtual Public Network

• Virtual Protected Network

• Variable Private Network

• Virtual Private Network

Describe what phishing is and how it can be prevented.

• Phishing is a legitimate marketing strategy used by companies.

• Phishing can be prevented by using strong passwords only.

• Phishing is a cyber attack that tricks individuals into revealing sensitive information, and it can be prevented through user education, email filters, two-factor authentication, and verification of requests.

• Phishing is a type of malware that infects computers.

What is the role of an IP address in networking?

• An IP address connects devices to the internet without identification.

• An IP address identifies a device on a network and facilitates data routing.

• An IP address is used to store files on a server.

• An IP address encrypts data for secure transmission.

What are the common types of cyber attacks?

• Firewall breaches

• Data encryption

• Phishing, malware, ransomware, denial-of-service (DoS), man-in-the-middle (MitM), SQL injection.

• Network monitoring

Explain the term 'encryption' and its importance in cybersecurity.

• Encryption is the process of converting data into a secure format to protect it from unauthorized access, essential for maintaining data confidentiality in cybersecurity.

• Encryption is the process of deleting data to prevent access.

• Encryption is a technique used to speed up data transfer.

• Encryption is a method of increasing data size for storage.

What is the purpose of a network switch?

• To provide internet access to remote locations.

• To store data for backup purposes.

• The purpose of a network switch is to connect devices in a LAN and manage data traffic between them.

• To serve as a firewall for network security.