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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
flowchart
Can you describe the concept of OSI layer
How two adjacent layers communicate in a layered network? (or What do you mean by Service Access Point?) In layered network, each layer has lots of entities and entities of lay
Categories to access the Intranet Persons who can find access to the Intranet can be put into three categories. 1. Those who can enter the site 2. Those who can access
CAM- Content Address Memory. Its another name of MAC address table.
SONET STS SONET defines a hierarchy of signalling levels called as STSs (Synchronous Transport Signals). Every STS level supports a certain data rate specified in megabits p
What is usage of Sequence Number in Reliable Transmission? The protocol specifies that frames need to be numbered. This is done by using sequence numbers. A field is added to t
Q. Show the CRC-Performance ? CRC-Performance CRC is able to detect all burst errors that affect an odd number of bits CRC is able to detect all burst errors of
can we correct errors using crc?
how to implement chord connection as the network management system ?
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