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Q. Describe Network security and Internetworking security?
Network Security - Layers 5-7
- Securing the localized private domain.
Network Administration, File Permissions, Password Protections, User Authorization
Database security
Internetwork Security, Layers 1-3
- Securing information from -untrusted? users on the public Internet or Virtual Private Networks.
Encryption, Packet Filters, Firewalls
Q. What is Authentication ? - Verification of sender's identity. - Accomplished through a digital signature, which is based on public key encryption/decryption. - Uses re
how does PPTP express the data?
NICs Network interface cards, commonly referred to as NICs are used to connect a PC to a network. The NIC gives a physical connection among the networking medium and the comput
Q. Resolution of domain name system? - Mapping a name to an address or else an address to a name - Resolver is a DNS client used by an address to provide mapping - In re
State the process of calculate the drift rate A drift rate of 10 -9 means 1 second in 109 seconds or 1 nsec every second. At OC-1 speed, say 50 Mbps for simplicity, a bit las
Error detection and correction The digital traffic stream of second generation systems also lends itself to the use of error detection and correction methods. The result can be
Describe about the Network equipment and connectivity Network equipment and connectivity should address various networking equipments such as routers, types of cables, as well
Commands SMTP uses commands and response to transfer message between a client and a server. Each commands or reply is terminated by a two character ( carriage re
Gateway A gateway is an internetwork device which joins different network protocols together. It woods on all seven layers of OSI model. Gateways are also known as pro
What is the method of HA and FA in VPN tunneling?
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