Firewall
A firewall is software or firmware that prevents unauthorized access to a network. It inspects incoming and outgoing traffic using a set of rules to
A firewall is software or firmware that prevents unauthorized access to a network. It inspects incoming and outgoing traffic using a set of rules to
1) Simplex – One way Comm. (Radio, TV):Only Sender can Send Signals / Data to users, user not allowed to send to feedback/response Example :
Wi-Fi is a wireless networking technology that allows devices such as computers , Mobile Devices and other equipment interface with the Internet, when they have
It is a network device, used to auto assign the ip to the connected devices from a pool of IPs Benefits of DHCP :– Reliable
If you are using Class C – IP, Then You can Use 192 – 223 starting range Host Range :Range of IP address for host.
IP : Internet Protocol : used for addressing internet enabled devices, Types : ipv4 ,ipv6 IPV4 :– 32 bit unique addressing of computer network. We
Port is a number assigned to uniquely identify a connection endpoint and to direct data to a specific service. At the software level, within an
‘Crypto’ means secret or hidden. Cryptography is the science of secret writing with the intention of keeping the data secret. Types : 1. Symmetric Cryptography
Transmission Delay : Time taken to put a packet onto link Propagation Delay : first bit to travel Queuing Delay : Time taken for job
Feature TCP UDP Connection status Requires an established connection to transmit data (connection should be closed once transmission is complete) Connectionless protocol with no requirements