Placement Papers - Flextronics

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SECTION 1 - Verbal
  It includes very simple english. 3 questions on the correct usage of a, an, the, for, to. (15 questions in 10 minutes). It was very easy. Key is to be calm and attempt it. I was able to complete in 7 mins.
3 pattern matching questions like 3 digits are given and find out which 3 are similar. Then general maths like if * is replaced by -, - is replaced by + , + is replaced by / and / is replaced by *. then which is true.
The only good questions from this sections was
  There is a red cube and it is cut into 12*12*12 small cubes. Now corner columns of front face is taken out and remaining structure is painted black. Now 5 questions were there to calculate no of cubes having 1,2,3 red faces and 1,2,3 black faces.
A passage on USB was given. It was talked from As I was having good knowledge of USB, I did 8 of 10 questions without having a look on passage and rest 2 were also easily answered.
SECTION 4 -- ENGLISH (Don\'t remember the heading)
It was having very easy general english. At end there was a RC on SQL. RC was very easy and I was able to answer without even reading it.
SECTION 5 -- TECH (They gave choice between C and C++/OS)
I selected C as there was no added benefit for taking the tough paper. 20 questions in 20 mins. Questions were of particular cases.
Though some were very easy but around 10 of them were like that you can\'t apply general rules to them. You should be aware of what happens in that particular case.
SECTION 6 -- E-Mail writing
You are tech executive of a telecom company. You are known for your excellent customer services. One customer has written that ha is facing problems. He also wrote earlier and got no response. Write an email to him apologizing for that and offering him support.
Tech Interview - 1
  It was for 1 hour and 1 mins. At the very beginning he gave me 12 C questions and asked me to write the output. Meanwhile He asked me other topic pf my interest. I said networking. As I did 11 correct he delayed the discussion of the wrong answered question to last. He jumped to Networking. What I noticed was that the more you tell them, the more they will go to depth. For my case, He asked the difference between Hubs, Switches, Routers. Also gave 12 protocols and asked me to match them to OSI Model. Then he asked the in depth working of IP, ARP, RARP. Then he asked the in depth processing when you have got a new computer and what happens when you try to contact In depth means that getting IP from DHCP then working of DHCP, how all 7 layers are involved, then how frame moves to router. He even jumped to routing protocols and there working.
I don\'t know why he went to so depth with me. Others were limited to C. But that was a must. (1h, 15mins)
Tech Interview - 2
  He again asked networking but with much more depth. They were having excellent co-ordinations. The second tech interviewer was having even the rough sheets of mine from 1st tech interview. May be he wanted to test depth of knowledge. I answered first 2 questions and then he asked me 4 terms that I never heard. I said I don\'t know. Then he asked me to write 2 programs. in C
1. There are arranged no.s from 1 to 10 in an array and 1 number is replaced by 0. Find it.
2. Use bit wise operators to find whether a number is power of 2 or not?