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State the methods to keep the attackers at bay
Another best methods to keep the attackers at bay is known as network address translator or NAT. The philosophy behind the design of NAT is that the more an attacker knows about the Intranet, the easier it would be attack and cause damage to it. It is sufficient to know the IP addresses of a server to open it and destroy every important data posted on it.
What is autonomous system? It is a collection of routers under the control of a one administrative authority and that uses a common Interior Gateway Protocol.
PROTOCOL SOFTWARE AND ETHERNET WIRING: All wiring methods use identical Ethernet specifications. e.g. they need same message format. They need same CSMA/CD algorithems. They m
CONNECTION TO PACKET SWITCHES: A packet switch many join to devices and to other packet switches. But the speeds are different in both parts. There are typically high-speed j
Challenge Handshake Authentication Protocols (CHAP) CHAP as its an implies implements a form of authentication that requires a challenge and a response. A CHAP authenticator
The Internet Layer The internet layer is responsible for routing the data packets to the appropriate destination. Internet protocol (IP) is responsible for ensuring dat
Gateway A device linked to multiple physical TCP/IP networks capable of routing or delivering IP packets among them. Router It's a layer 3 device that connects 2 diss
Q. Quality of Service - multiplicative decrease? Quality of Service The collective consequence of service performance which determines the degree of satisfaction of a
What is meant by Asymmetrical protocols? There is a many-to-one relationship among clients and server. Clients always initiate the dialog by requesting a service. Servers are p
Sender requests connection from network. Other receiver agrees to connection. Computers interchange data through connection. One-endpoint requests network to split connection when
What is virtual channel? Virtual channel is normally a connection from single source to one destination, although multicast connections are also allowed. The other name for vir
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