what is physical layer and presentation layer?
Answer Posted / dipika gupta
Physical layer is responsible for bit by bit transfer of data reliably, and also support the electrical and mechanical specifications of a link..
whereas the domain of presentation layer covers the compatibility between computers with different internal data format/ o.s... as well as data encryption and decryption for security. compression and decompression also comes under the responsibility of the presentation layer..
| Is This Answer Correct ? | 2 Yes | 3 No |
Post New Answer View All Answers
Can you define set to be cardinality?
Can you explain the advantage of using shortcuts?
What are the other methods working as deployment functionality?
What is metric store database?
What is defined as Query studio?
How can create users and permissions in cognos?
how you create security to reports?
What are the two types of framework manager?
How can I test reports in cagonos?
How can reports be bursted based on two groups? I want to schedule to burst a report based on product line and years and I need the burst report for every product line and every year. How can this be done? Please help..
What is the difference between Section and Section using Master/Detail in Cognos 8 Report Studio? I tried these both options many times on lists and crosstabs, but dint find any difference. So please give the answer in detail with example.
Explain the difference between powerplay transformer and power play reports?
How can we import Excel data in to FWM?Wt is mean by Ragged dimensions?where can we observe the Regular dimensions & measure dimensions?
Which studio is used to create reports?
HI, If anybody is having C2020-625 - IBM Cognos 10 BI Data Warehouse Developer, kindly send the same to shiju.rajs@gmail.com. Thanks