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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).
Briefly write functionalities of different OSI layers? The OSI Reference Model includes seven layers. Basic functionality of each of them is as follows: 1. Physical Layer:
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
THE high spectral efficiency makes OFDM a suitable technology to meet the demands of wireless data traffic. A currently discussed new application are OFDM based overlay systems. In
ACK Received If an ACK is received by the sender. The SR sender marks that packet as having been received by the receiver.
DVMRP • Distance vector multicast routing protocol: Distance vector multicast routing protocol are abbreviated as DVMRP. These protocols are suitable for small networks which
Urgent Pointer This 16 bite which is valid only f the urgent flag is set is used when the segment contains urgent data. If defines the number that must be added t
Hardware Sharing network facilitate the sharing devices. For example instead of giving each of 10 employees in department of the internet on modern society is har
What is the major issue with routing by rumor?
Token Bus Frame Format No length field Data is able to be much larger (timers prevent hogs) Frame control Ack required? Data vs Control frame and how is
Address Resolution Protocol resolves the MAC address if the IP address is known. It is a layer 3 protocol.
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