Saturday, January 7, 2012

Decision Making Skills

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Using a DECISION MATRIX to help you to decide between alternatives: SWOT analysis is a subjective method used to evaluate the STRENGTHS,...

business analyst role

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What are the challenges a BA may need to overcome to respond to the increased expectations of companies who hire business analysts not just ...

preparation

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Top 5 Job Interview Tips http://career-advice.monster.co.uk/job-interview/preparing-for-job-interviews/top-5-job-interview-tips/article.asp...

What is the difference between an incremental backup and a differential backup?

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An Incremental backup backs up only the selected files that have their archive bit set to ON, setting them back to OFF. a backup of all fil...

SQL JOIN

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ChatGPT SQL JOINs are used to combine rows from two or more tables based on a related column between them. Here’s an explanation of differen...
Friday, January 6, 2012

The Key Differences Between SAN, DAS, and NAS

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Direct-Attached Storage ( DAS) The most common form of server storage today is still direct attached storage. The disks may be internal...

spring interview questions

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What is IOC (or Dependency Injection)? The basic concept of the Inversion of Control pattern (also known as dependency injection) is t...

static scoping(lexical) vs dynamic scoping

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ChatGPT Static Scoping vs. Dynamic Scoping Static Scoping (Lexical Scoping) and Dynamic Scoping are two different methods used to determin...

stack vs heap

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how the memory of the computer is organized for a running program When a program is loaded into memory, it is organized into three areas of...

Reverse a String

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A typical programming interview question is “reverse a string, in place”. if you understand pointers, the solution is simple. even if you do...

algorithms & data structures

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Understanding how to choose the best algorithm or data structure for a particular task is one of the keys to writing high-performance softwa...

B+ tree

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In computer science, a B+ tree or B plus tree is a type of tree which represents sorted data in a way that allows for efficient insertion, r...
Thursday, January 5, 2012

What's the difference between a hub, a switch, and a router?

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What's the difference between a hub, a switch,a bridge,a repeater and a router? Hubs A hub is typically the least expensive, leas...