VPN
What does a VPN stand for
Virtual Private Network
What are three types of networks
LAN
WAN
VLAN
SAN
Intranet
Extranet
VPN
PAN
P2P
Whats a Fire Wall
A firewall controls incoming and outgoing network traffic looking for data packets based on pre-determined set of rules.
What are standards
Standards are rules of the road for company to follow when building their system. Allows for easy communication with other system.
Why can the network be slow
Just like the road their is network traffic causing the internet to slow down
Whats encryption
Encryption is the process of encoding data so that only a computer with the right decoder will be able to read and use it
What is a network
A computer network is a group of computer systems and other computing hardware devices that are linked together
Name one physical security
Locked doors
Security badge
Guards
Protocol
Set of rules for data communication over a network
Unshielded Twisted Pair
Twisted Pair has ok security and is susceptible to EMI but cost is low and speed is fast
Whats Tunneling
Tunnelling involves establishing and maintaining a logical network connection. On this connection, packets constructed in a specific VPN protocol format are encapsulated within some other base or carrier protocol, then transmitted between VPN client
Describe A VLAN
A network of computers and users to communicate in a simulated environment as if they exist in a single LAN
Two Factor Authentication is what
Something you have on yourself like ID or a phone
Data Packet
A small unit of data used in network communication
Fiber Optic cables
Whats one way a VPN data can be decrypted other than from the receiving device
If the VPN providing company is hacked all encrypted data is at risk
Whats does a WAN connect
Encryption of a WLAN
UserID and passwords
PSK pre-shared key
WPA / WPA2
Information found in a packet
Source address
Destination address
Time Stamp
Data
Protocol
What time of day in the UK is the internet the slowest
During the morning hours, the download speed is much higher.
Why do people use a VPN
VPNs are used to log into a network remotely and access its resources, but encrypts the connection to thwart eavesdroppers.
Define the differences between Intranet and Extranet
Intranet: Private network for employees to communicate thru
Extranet: A version of the intranet that provides controlled access for vendors, partners and external users
Name one type Three Factor Authentication
Eyescan
Fingerprint
Face Scan
Handprint
When you send information what happens
Information sent from you goes travels to a router that breaks it into packets and send those packets to the receiver
Tertiary causes of speed variance
Environmental issues like whether
Infrastructure limitations
Type of data being transmitted