Basic Concepts
What does LAN stand for?
what is Local Area Network
What device is used to connect multiple devices on the same network?
What is a Switch or Hub.
What does WAN stand for?
What is a Wide Area Network.
What does HTTP stand for?
What is HyperText Transfer Protocol.
What is a VPN used for?
To create a secure connection to another network over the internet.
Which layer of the OSI model deals with the physical connection between devices?
What is the Physical Layer
Name a device that helps in extending the Wi-Fi signal strength.
What is a Wi-Fi extender or repeater.
What type of network covers a geographical area larger than a LAN but smaller than a WAN?
What is a Metropolitan Area Network
Which protocol is used for sending emails?
What is SMTP (Simple Mail Transfer Protocol).
Name a common method used to secure Wi-Fi networks.
What is WPA2 (Wi-Fi Protected Access 2).
What is the main function of a router in a network?
To route data packets between different networks.
What is the primary function of a firewall?
To protect the network by controlling incoming and outgoing network traffic based on an applied rule set.
Name a network type primarily used for data communication among devices such as sensors and smart appliances.
What is Internet of Things (IOT)
What is the primary purpose of the DNS protocol?
To translate domain names to IP addresses.
What is the purpose of encryption in networking?
To protect data integrity and privacy during transmission.
What does 'IP' in IP address stand for?
What is Internet Protocol
What device is used to convert digital signals to analog and vice versa in a network?
What is a Modem.
What is the difference between an intranet and the internet?
An intranet is a private network accessible only to an organization's staff, while the internet is a global network that is publicly accessible.
Name the protocol used for secure communication over the internet.
What is HTTPS (HTTP Secure).
What does a DDoS attack stand for and what does it do?
Distributed Denial of Service; it overwhelms a system with traffic to make it unavailable to its intended users.
Name two differences between TCP and UDP.?
TCP is connection-oriented and reliable, UDP is connectionless and not guaranteed.
What is the difference between a modem and a router?
A modem connects to your ISP and translates data between your home network and the internet, while a router creates and manages a local network.
Give an example of a global network.
What is The Internet.
TCP is connection-oriented and reliable, UDP is connectionless and not guaranteed.
IPv4 uses 32-bit addresses, limiting it to 4.3 billion addresses, while IPv6 uses 128-bit addresses, significantly increasing the number of available addresses.
Explain the concept of 'phishing'.
Phishing is a type of social engineering attack often used to steal user data, including login credentials and credit card numbers.