Computer Network Flashcards
Is a common type of cable used with wired networks.
Ethernet Cable
two or more connected computers or electronic devices.
Network
- Is a type of cabling that is used for telephone and modern Ethernet networks. The pairs are twisted to prevent electromagnetic interference.
Twisted Pair Cable
2 types of twisted Pair
Unshielded Twisted Pair
Shielded Twisted Pair
Straight Through
W
G
WO
B
WB
O
WB
B
is a set of computers connected together for the purpose of
sharing resources. The most common resource shared today is the Internet, but a
network might also allow file sharing, access to applications, or shared use of
peripheral devices like printers.
Computer Network
can be as small as two laptops connected through a cable or
as large as the Internet itself, which is a vast network of networks.
Computer Network
Basic Components of a Computer Network
Nodes
Links
Network Interface Card (NIC)
Router
Types of Computer Networks
LAN
WAN
MAN
PAN
Network Topologies
Bus Topology:
Star Topology
Ring Topology
Mesh Topology
Importance of COmputer Networks
resource sharing
communication
data security
Common network Devices
switch
gateway
firewall
Ensuring network security is critical to protect sensitive data from unauthorized
access, misuse, or theft. Here are some common security measures:
Firewalls
Encryption
Antivirus Software
Network Policies