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Q. Explain Session Layer in osi model?
- The session layer defines how to control, start and end conversations (called sessions) between applications.
- This includes the control as well as management of multiple bi-directional messages using dialogue control.
- It as well synchronizes dialogue between two hosts' presentation layers and manages their data exchange.
- The session layer proffers provisions for efficient data transfer.
- Examples: - SQL and ASP (AppleTalk Session Protocol).
Simple Mail Transfer Protocols (SMTP) The application layer protocols for electronic mail is SMTP( Simple mail transfer protocols). Internet electronic mail has man
Router A router is used to route (transfer) data among two or more same networks. It verifies the next network point to which a data packet should be forwarded. The router is l
Verify VLANs and trunking. Use the show ip interface trunk command on S1 and the show vlan command on S2 to determine that the switches are trunking correctly and the proper VL
Q. Show Data link and Physical vs Subnet? - Data link layer The function of the Data Link Layer is -offers for the control of the physical layer and detects and possib
Some of the ?elds of IP and ICMP datagrams will be ?xed, some will be settable by the application, and others will computed according to the situation. You must set all ?elds of th
What is IP spoofing and how can it be stopped?
What is Proxy Sever and Firewall Proxy Sever Also known as a proxy or application level gateway. It is an application that breaks the connection among sender and receiver.
Q. What are the Tools sued for Cryptography and Web Security? Tools - Cryptography VPN - remote access PGP - email Dedicated Circuits -tunnels' - IPSec
ADVANTAGE AND DISADVANTAGE OF WIRING SCHEMES: Each of three wiring procedure has disadvantages and advantages, which are illustrate as follows: RELIABILITY ISSUES: W
Source quench is the process where the destination router, or end internetworking device will "quench" the date from the "source", or the source router. This usually occurs when th
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