Chapter 4 Flashcards
NIC?
Network interface card
-Used to allow a device to connect to a network
MAC address?
Media access control address
-Number that uniquely identifies a device when connected to a network
IP address?
Internet Protocol address
-A computer is given an op address when connected to a network
Hubs
Multiple devices connected and sends info to all
Switches
Multiple devices connected but only sends to specific one
Bridges
Connects 2 hubs/switches
Routers
Route data packets from 1 network to another
Advantages and disadvantages of cloud computing
Advantages:
-Accesses any time, any device, anywhere
-No external storage device
-Remote backup
-Cloud storage always recovery of data
Disadvantages:
-Security
-Slow/unstable internet is a problem
-High costs for large storage capacity
-Power cuts
-Hackers
LAN?
Local Area Network
-Connected to hubs/switches
-Usually within 1 building
Advantages:
-Sharing of hardware/software
-Easy communication
-Network administrator
Disadvantages:
- Easy to spread viruses
-Queues for shared recourses
-Slower access to internal networks
-Higher risk then stand alone computers
WLAN
Wireless Local Area Network
-No wires
All authentication methods
-No login
-Biometrics
-Magnetic stripe
-Smart cards
-Physical tokens
-Electronic tokens
Anti-malware software
Running this software in the background constantly scans for virus attacks and to prevent them
-Needs to be up to date!!
