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Q. Define Name Space in domain name system?
- All names assigned to machines on an internet
- Must be unique; either flat or hierarchical
- Flat name space - name is assigned to an address; no structure
- Hierarchical name space - made of several parts; each succeeding part is more specific; central authority assigns part that defines the nature of the organization and the name.
Define the term - frame and packets Frames sum up packets. When a packet arrives at data link layer, the complete packet, header, data and remaining all, is used as data field
What is one basic requirement for establishing VLANs? A VLAN needs dedicated equipment on each end of the connection that permits messages entering the Internet to be encrypted
Most networks give dynamic connections, which last for a relatively short period. To operate this, ATM can dynamically join a switched virtual circuit (SVC), allow it last as long
The term signaling is used to define communication about the network, as opposed to interaction that just uses the network. A computer uses signaling with reserved VCI/VPI numbe
Hardware Cost It indicates to the cost concerned in the functioning of an interconnection network. It comprises the cost of arbiter unit, connectors, switches, interface logic
Q. Illustrate the Model for Network Security? - A message is transferred from one party (Principal) to another. - A logical information channel is founded between the t
different framing methods
What is an Ethernet? The Ethernet topology was developed at the University of Hawaii to connect computers on the many Islands. It was radio based design. Later, Robert Metacalf
telecommunication processors
Monitor Stations Lost tokens - timer is issued each time a frame or token is generated If no frame is received in time period new token is generated by a monitor stat
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