Technology Questions

Hub is device to connect two devices, switch is a network bridge which processes and routes data approirately over network layer of OSI Reference model

- Physical Data Integration is all about creating new system that replicates data from the source systems.

- This process is done to manage the data independent of the original system.

- Data Warehouse is the example of Physical Data Integration.

- The benefits of PDI include data version management, combination of data from various sources, like mainframes, flat files, databases.

- A separate system is needed for handling vast data volumes.

Yes, it is possible to nest functions in javascript.

Following are the 3 core directives of AngularJS.

1. ng-app : This directive defines and links an AngularJS application to HTML.


2. ng-model : This directive binds the values of AngularJS application data to HTML input controls.


3. ng-bind : This directive binds the AngularJS Application data to HTML tags.

netstat -n  (on Dos prompt)

The primary keys of entity tables are the foreign keys of dimension tables.

The Primary keys of fact dimensional table are the foreign keys of fact tablels.

A cookie is a small text file on the client machine either in the client’s file system or memory of client browser session.

Generation of HTML pages on-the-fly without accessing the Web server. The user can be given control over the browser like User input validation Simple computations can be performed on the client's machine The user's browser, OS, screen size, etc. can be detected Date and Time Handling