Answer / akshay sangoram

The data link layer transforms the physical layer(a raw
transmission facility) to a reliable link. It makes
physical layer appear error free to the upper layer.
Specific responsibilities of DLL include
1)Framing
2)physical addressing
3)Flow control
4)Error control
5)Access control

Answer / chintan parikh

Datalink layer is further divided into two sub layers

1. M.A.C.(Media Access Control)
2. L.L.C.(Logical Link Layer)

Here the packets are converted into frames because to
assign meaning to bit and bytes

Main Responsibilities are
1. Framing
2. Physical Adderessing.
3. Flow Control and
4. Access Control

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Hi , I need help form u. I need information about Cloud storage.As a test engineer how can i test the cloud storage. what i need to learn before going to test the cloud storage application. These are the some of the Questions related to Cloud Storage. 1. What is meant by Cloud Storage? 2. What cloud storage Requires? 3. What factors should you consider before implementing cloud storage? 4. How do Private storage clouds compare with large commercial cloud service offerings? 5. Where to use Public Cloud storage? 6. Where to use Private Cloud storage? 7. Where exactly the cloud storage will be used? 8. Cloud storage means Maintaining the data some ware in server or what? If they Maintain data where it will save? 9. In which Environment the cloud storage can be developed? 10. Is the Cloud storage support XP OS? 11. Up to what extent the tester should know about cloud storage to test the storage part? Mainly send me the details how testers are going to test the Cloud storage application. ASAP.....

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