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Virtual Private Network (VPN) adds the features of both public and private networks. It is fixed to single organization and needs public network for connectivity.
These connections are sometimes known tunnels and connect sites. Every site sees tunnel as point-to-point link. There is no access for other clients of public networks.
GUARANTEEING ABSOLUTE PRIVACY:
In addition to restricting data packets, VPN machines use encryption to sure absolute privacy. Even if an outside does manage to retain a copy of the data packet the outside will be unable to interpret the message.
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
Q. Basic working of Spanning Tree? Spanning Tree - Redundant bridges may be installed to provide reliability - To prevent infinite looping of packets between bridges,
Destination Port Number This is port number used by the process running on the destination host. It is also 16 bits long if the destination host if server ( a client sen
IEEE 802.3 frame format
Assign switch ports to VLANs. Refer to the port assignment table at the starting of the lab to assign ports to the VLANs. Use the interface range command to make simpler this
Identify the purpose of the TCP three step handshakes Ans) The three step handshake establishes the parameters needed for a TCP connection. During the handshake process series n
Switches operate at layer 2. They enhance bandwidth by decreasing the number of devices sharing the media. They isolate collisions. Like a bridge they forward traffic based upon la
Describe autonomous system?
Q. Summary of osi model? - There was no standard for networks in the early period and as a result it was difficult for networks to communicate with each other. - The ISO (In
How can you identify the IP class of a given IP address? By looking at the first octet of any given IP address, you can recognize whether it's Class A, B or C. If the first oct
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