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Paper Whole Testpaper by Lucent

Details of Paper Whole Testpaper by Lucent conducted by Lucent for job interview.
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1). Piggy backing is a technique for

a) Flow control b) sequence c) Acknowledgement d) retransmition

ans: c piggy backing

2). The layer in the OST model handles terminal emulation

a) session b) application c) presentation d) transport

ans: b application

3) there is an employer table with key feilds as employer no. data in every
n,th row are needed for a simple following queries will get required results.

a) select A employe no. from employe A , where exists from employe B
where A employe no. >= B employe having (count(*) mod n)=0
b) select employe no. from employe A, employe B where
A employe no. >= B employ no. grouply employe no. having (count(*) mod n=0 )
c) both a& b
d)none of the above

4) type duplicates of a row in a table customer with non uniform key feild
customer no. you can see

a) delete from costomer where customer no. exists ( select distinct customer no. from customer having count )
b) delete customer a where customer no. in (select customer b where custermer no. equal to b custemor no. ) and a rowid > b rowid
c) delete customer a where custermor no. in (select customer no. from customer a, customer b )
d) none of the above


1) long int size
a) 4 bytes b) 2 bytes c) compiler dependent d) 8 bytes
ans: compiler dependent
note: order of a,b,c,d are doubt but answer is correct.

2) x=2,y=6,z=6
printf(%d",x) ?
3) one question on: -=+,*=-,/=* etc
then 10/5*45=?

define max 10
{int a,b;
int *p,*q;
a)error in p=&(a+b) b)error in p=&max c)error in both d) no error


following are not in order:

1. M > D > Y ans: (a)

2. 10 in 4 seconds, ? in 6 minutes = 10x6x60/4 = 900 ans: (a)

3. 100(100000000+100000000)/10000 = 2x1000000 (ans).

4. Q is not equal to zero and k = (Q x n - s)/2 find n?
(a) (2 x k + s)/Q (b) (2 x s x k)/Q (c) (2 x k - s)/Q
(d) (2 x k + s x Q)/Q (e) (k + s)/Q

5. If A occurs which of the following must occurs
I. F & G
II. E and H
(a) I only (b) II only (c) III only (d) I,II, & III (e) I & II (or) II & III but not both ans: (e)

6. If B occurs which must occur
(a) D (b) D and G (c) G and H (d) F and G (e) J ans: (a)

13. If J occurs which must have occured
(a) E (b) either B or C (c) both E & F (d) B (e) both B & C ans: (b)

14. which may occurs as a result of cause not mentioned
(1) D (2) A (3) F
(a) 1 only (b) 2 only (c) 1 & 2 (d) 2 & 3 (e) 1,2,3 ans: (c)

15. E occurs which one cannot occurs