Xtranet Technologies Interview Questions and Answers

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Q1. What is difference between primary and unique key
Ans. 
Primary key uniquely identifies each record in a table, while unique key ensures that each value in a column is unique.
• Primary key does not allow NULL values, while unique key allows one NULL value.

• A table can have only one primary key, but multiple unique keys.

• Primary key automatically creates a unique index, while unique key does not.

• Primary key is used to establish relationships between tables, while unique key is u...read more
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Q1. How do you secure firewall
Ans. 
Securing a firewall involves configuring access control, implementing intrusion detection systems, and regularly updating security policies.
• Configure access control lists to allow only necessary traffic

• Implement intrusion detection systems to monitor for suspicious activity

• Regularly update firewall rules and security policies to address new threats

• Enable logging and monitoring to track firewall activity

• Use strong authe...read more
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Q1. Basic knowledge of asp.net , c#.net , Oops , coding standards , three tire architecture
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Q2. Sql server , database related , queries , function and structure, triggers , indexes
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Q1. Salary negotiations , background details , future planning , timing shift
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