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The purpose of internetworking is universal service across heterogeneous networks. To give this service all computers, and routers have to agree to forward information from a source on one network to a specified receiver. The task is complicated as frame formats and addressing procedures may differ. The key of achieving universal service is universal protocol software (TCP/IP).
A virtual network is given in the figure that TCP/IP software gives to users and applications.
Q. Show the Character-level Encryption? - Substitutional - Monoalphabetic - simplest form; also called Caesar cipher - Every character is replaced with another character
5. CSMA/CD based Ethernet LANs in various sites and Frame Relay (FR) service to connect them together. You want to make a difference in the organization by upgrading the LANs to be
What is packet filter? Packet filter is a standard router up to with some extra functionality. The extra functionality permits every incoming or outgoing packet to be inspected
What is net stat? Netstat is a command line utility program. It gives useful information about the current TCP/IP settings of a connection.
Ans) UDP TCP SPX
In the VOIP system, let h be the total number of header bytes added to each chunk, including UDP and IP header. a) Assuming an IP datagram is emitted every 20 msec, find the tr
What are the advantages of Star Topology? The advantages of star topology are: a. Relatively easy to configure. b. Simple to troubleshoot c. Media faults are automatic
Q. Show Coaxial Cable Connectors? - A most common is barrel connector (BNC) - T-connectors are utilized to branch off to secondary cables - Terminators are necessary for
Q. Show VPNs Security and the Internet Model? - VPN's Security and the Internet Model - Application layer - provide for each application protocol (other layers may be left v
What are the benefits of wireless devices One benefit is that if everyone uses standard, everyone can talk to anyone. Another benefit is that extensive use of any standard will
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