The tasks – authentication-blocking of requests, data compression, logging and auditing – are performed by

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- servlet filter
- servlet config
- servlet context
- servlet container

CORRECT ANSWER : servlet filter

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ServletFilter tasks

Authenticatioin blocking of requests, data compression, logging and auditing and various other tasks are being performed by servlet filter. These filters are used for the following purposes:

1) To intercept requests from a client before they access a resource at back end.
2) To manipulate responses from server before they are sent back to the client.

There are filters as follows:

1) Authentication Filters.
2) Data compression Filters.
3) Encryption Filters.
4) Filters that trigger resource access events.
5) Image Conversion Filters.
6) Logging and Auditing Filters.
7) MIME-TYPE Chain Filters.
8) Tokenizing Filters .
9) XSL/T Filters That Transform XML Content.

Rohit Sharma 11-30-2014 07:55 AM

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