what is the difference between primary key and foreign key?

3 Answers   TCS,

---

Net app interview questions ============================ . Storage Fundamentals: - what is Raid? What are different kind of Raids? - Difference between all of Raids , Advantage of one raid over other - What are FCP & ISCSI, Difference between them. - FC Topologies, Iscsi commands - How to mount a Lun on Windows/Linux - NFS and CIFS - Difference between SAN, NAS and DAS - Different Backup methodologies, Snapshot, mirror, Disaster Recovery, High Availability, Cluster concepts 2. Network Fundamentals: - TCP/IP and ISO/OSI layers - What is DHCP, DNS, SNMP, Router, Hub, Switch, HTTPS , HTTP, telnet , ssh, rsh - Different SNMP versions (V1, V2, V3) - SNMP traps - Ipv4 and Ipv6 addressing 3. Database: - SQL queries, Joins (may ask you to write queries with complex joins) - Aggregate functions - Schemas, Tables, views (create, delete, alter, drop etc) 4. Testing - Bug tracking process, Types of Bugs - Difference between priority and Severity of Bug - Your best bug , what will you do when your bug is not fixed/rejected etc. - What is Functionality/Sanity/Stress/Upgrade & revert/Performance/negative/Release test/regression tests. How you have done these in your past projects. - Black box testing, grey box testing - May ask to write test cases on a given scenario - What is test plan and test summary/strategy document. Different sections in these documents. - SDLC, Test Lifecycle and approach to test a product (Given a product what different kind of testing you will do) 5. Perl ( in addition, you may be asked to write scripts on below areas) - Regular expressions - File/Directory Handling - Scalars, Arrays and Hashes - Packages and Modules - Use and require statements - Go through Net::Telnet, Net::SNMP, Net::SSH modules in perl

0 Answers   NetApp,

---

what is ads

2 Answers   HP,

---

explain in detail about life cycle of thread

0 Answers  

---

What is histogram? why and how it is used?

0 Answers  

---

what is the difference between oracle 8i vs 9i

0 Answers  

---

my first question in huawei was ....1)Tell me about your self 2) oops concept 3)logic gates 4)ram and rom ,what is cache memory nd where it is located 5)diffrence between file system and data base 6) procedure of operating system 7)what is c# 8)high level language and machine language 9) and from mobile networkin !!!! hope thz will help you

0 Answers   Huawei,

---

what is need of interface. what is the diff b/w interface and abstract class

0 Answers  

---

How can I get know that my pc contains dram or sram..?

0 Answers  

---

Please help to write testcase for ECG machine

0 Answers  

---

What is difference between ext2 and ext3 in linux

1 Answers   NetMagic,

---

What is the win speed velocity of the swallow?

1 Answers  

---