Questions
What is a router?
A device that forwards data packets between computer networks.
What is a switch?
A device that connects devices on a computer network and uses packet switching to forward data.
What is a modem?
A device that modulates and demodulates signals for data transmission over telephone lines.
What does CCNA stand for?
Cisco Certified Network Associate.
What is LAN?
Local Area Network, a network that connects computers in a limited area.
What is the OSI model?
A conceptual framework used to understand network interactions in seven layers.
Name a common network topology.
Star topology
Explain the purpose of a firewall
To monitor and control incoming and outgoing network traffic based on security rules.
What are the layers of the OSI model?
Application, Presentation, Session, Transport, Network, Data Link, and Physical.
Define IP address
A unique address that identifies a device on a network
What is DHCP?
Dynamic Host Configuration Protocol, a network management protocol used to automate the IP address assignment process.
Define bandwidth
The maximum rate of data transfer across a network.
What is subnetting?
The practice of dividing a network into smaller, manageable sub-networks.
Describe NAT
Network Address Translation, a method that translates private IP addresses to a public IP address.
What is a VPN?
Virtual Private Network, a service that creates a secure connection over the internet.