what is "map" and what is "reducer" in Hadoop?

635

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What are the advantages of passport authentication?

1030

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What is h:commandbutton tag in jsf (javaserver faces)?

71

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What is buffering in c++?

1068

---

Explain what is a firewall?

1132

---

Does ios use linux?

843

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What are the KPI that decides the capacity expansion of SGSN/MME?

3515

---

Does React use HTML?

467

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What are the best consoles?

831

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1.How to record ,capture and also script to capture the close buttons. 2.How to record ,capture and also script to capture the options ---File ->save and File ->close in a browser and PDF files. 3.How to compare the Excel sheet values in a report using QTP scripting. 4.How to compare 2 PDf reports using QTP scripts as well reording. 5.How to compare 2 Excel reports using QTP scripts as well reording. 6.How to save a PDF report to a folder and then translate the report to an Excel type of report and compare that Excel Report with an other excel report. Please clarify me

2159

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Do you feel that you have chosen the right technology XSLT?

933

---

What is a rollup component? Explain about it.

1194

---

Why are migrations necessary?

776

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Explain the isa and hasa class relationships.

1044

---

What do you understand by snitches?

82

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