what is physical layer and presentation layer?
- 2 Answers
- 11689 Views
- Zensar, I also Faced
- E-Mail Answers
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
Synchroness 1.What are hash prompts? Ans: Tree prompts in which hierarchies can be seen,they can be said as hash prompts. 2.User wants to see 5 more coloums in the report.We have package and data base,how will u implement using it in report.? Ans: 3.What is automatic optimization?what is optimization?what are the properties you set for optimization in report studio? 4.what is command to display first 10 records from a table? IGATE 1.In FM if we change a fact symbol to attribute,will it effect the report? 2.If a report is slow in generating output. How do u perform tuning? How do u reduce joins in sql? Using left outer join is it going to improve the report performance? IBM 1.How do you configure ? 2.How do you drill through report from RS to Analysis studio?
in u r data u having duplicates how to fetch the latest data in our report?
Can we create 2 conditions in report expression of a single data item..Eg: I added 2 new dataitems each one should show revenue for Q1 and Q2..Pls advice
What are the types of catalogs in cognos?
Is it possible to join multiple Databases in a Catalog?
Cognos Online Training will be provided. prior training with all real time aspects. Comprehensive training will be given in Datawarehousing concepts , cognos 8.4 and cognos 10 versions. Contact kris.cognos25@gmail.com
what is a prompt value in report studio and variables ?
I have a reports on cognos ep7series version3 with database SQl2000.Now i am migrating database SQL2000 to SQL2005.Then What happens to cognos reports and also there is reports cubes then how can i handle this problem please give me step by step solution b'coz i am new to cognos ep7series
Explain informatica architecture?
How can create users and permissions in cognos?
what is power prompt in cognos ep7series?what is the use of this?
What is a Datastore in Cognos?
What are the other methods working as deployment functionality?
Which lifecycle we will use for reporting?
How is possible this scenario using in type-in prompt.?
