Some Interview Quesions answer required

I attended interview i dont know few answers. Can anyone provide me the answer?.
1.which platform is nwds based on and what is the jre for sap nw7.0 WAS.
2. Describe the different adminstrative tools.
3.Describe the central instance with diagram
4.what are the dynamic modification that can be made during run time?
5.what are the value nodes and model nodes
If anyone knows please provide me the anwer.
Thanks
Arya

Hi Arya,
1.which platform is nwds based on and what is the jre for sap nw7.0 WAS?
NWDS is used to develop java based application. JRE 1.4.2 is suitable up to NW 7.0 SP9 and for later versions JRE 1.5.x is suitable.
2. Describe the different administrative tools?
Visual Administrator and Config tool and SDM
3.Describe the central instance with diagram?
Check in SAP Help
4.what are the dynamic modification that can be made during run time?
Create the UI and context elements. Display and hide UI.
5.what are the value nodes and model nodes
Value nodes are used store temporary values. Model nodes are used as reference to tables in the backend like SAP R/3 tables.
regards,
Siva

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C: 430
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1.-
2.c
3.a
4.a
5.c
6.b
7.a
8.d
9.b
10.a -
11.a
12.c
13.b
14.d
15.c
16.a -
17.a
18.d
19.c
20.a
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22.d
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Nokia History: 3110, 5110, 7110, 7110, 3510i, 6210, 6310i, 5210, 6100, 6610, 7250, 7250i, 6650, 6230, 6230i, 6260, N70, N70, 5300, N95, N95, E71, E72
Android History: HTC Desire, SE Xperia Arc, HTC Sensation, Sensation XE, One X+, Google Nexus 5

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