VPN
Virtual Private Network
What does VPN stand for?
Network used in a house or business
What is an LAN?
A small unit of data used in network communication
What is a packet?
A cable made of glass which transmits the fastest
a security device that monitors and controls network traffic between the network and the internet
What is a firewall?
The process of encoding data so only the computer with right decoder will be able to use it
What is encryption?
The Internet
What is the most popular WAN?
Header, Payload, Checksum
What are the parts of a packet?
Uses radio waves to transmit data wirelessly
Wireless/WLAN
Mobility, Cost, Accessibility
What are advantages of wireless networks?
Encapsulation of one protocol within another to establish a secure tunnel between client and server.
What is tunnelling?
Can be set up without cabling, can support roaming, and set up costs are minimal
What are the advantages of a WLAN?
Source address, target address, order number, transmission time
What are the parts of a packet header?
Copper cable that is cheap over long distances
Coaxial cable
Two-factor authentication
What is using another device to verify your identity when accessing a network?
Works connecting to their company's internal network from a public network outside the company location
What is telecommuting?
a secure high-speed data transfer network that provides access to a network of storage devices
What is a SAN?
Data segmented into packets, packets sent independently by routers based on network conditions, packets received and put in order by destination device
What is packet switching?
Susceptible to EMI
What is a problem with twisted pair cables?
WEP, WPA, WPA2
What are encryption methods?
OpenVPN, IKEv2, and L2TP/IPsec
What are common VPN protocols?
The seven layers of the OSI model in descending order?
Application, Presentation, Session, Transport, Network, Data Link, Physical
Compatibility, Efficiency, Reliability, Security, Innovation
What are key reasons why protocols are necessary?
Very insecure, medium speed, suspectible to interference
What is WiFi/WLAN?
Hardware components of a wireless network
Routers, Switches, Network Interface Cards (NIC), Wireless Access Points (WAPs)