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) ans: a odd numbers of errors
5) c 20
6) a 120
7) b synchronise the access
9) b the operating system
10) a 177333
11) d used as a network layer protocall in network and windows system
12) b has to be unique in the sub network
13)Q. 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
14)Q. 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
Section I over with 15 quetions
SECTION-II
Section II is not covered completly But it is very very easy. You can do it
very easely.
1) ans: recursion
2) 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.
3) x=2,y=6,z=6
x=y==z;
printf(%d",x) ?
4) if(x>2)?3:4
14) c : class A,B and C can have member functions with same name.
SECTION-III
1) ans: b It does not work when rp is the last element in the linked list
2) ans: a always
3) ans: b 13
4) ans: b 16
8) ans:d 4
9) ans: c 5
10)ans: c semicolon missing
SECTION-IV
following are not in order:
2. M > D > Y ans: (a)
6. 10 in 4 seconds,
? in 6 minutes = 10x6x60/4 = 900 ans: (a)
8. 100(100000000+100000000)/10000 = 2x1000000 (ans).
10. 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
(from GRE book page no:411)
data:
A causes B or C, but not both
F occurs only if B occurs
D occurs if B or C occurs
E occurs only if C occurs
J occurs only if E or F occurs
D causes G,H or both
H occurs if E occurs
G occurs if F occurs
NOTE: check following answers.
11. If A occurs which of the following must occurs
I. F & G
II. E and H
III. D
(a) I only (b) II only (c) III only (d) I,II, & III
(e) I & II (or) II & III but not both ans: (e)
12. 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
(a) A (b) F (c) D (d) C (e) J ans: (b)
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