1). Piggy backing is a technique for a) Flow control b) sequence c) Acknowledgement d) retransmissionans: c piggy backing2). The layer in the OST model handles terminal emulationa) session b) application
C
Latest Answer : its a Flow control only.....but i am not sure if anyone be sure please let me know..... ...
There is an employee table with key fields as employee no. Data in every n'th row are needed for a simple following queries will get required results.
A. Select A employee no. from employee A, where exists from employee B, where A employee no. >= B employeee having (count(*) mod n)=0
B. select employee no. from employee A, employee B where A employee no. >= B employ no. grouping employee no. having (count(*) mod n=0)
C. both a and b
D. none of the above
Type duplicates of a row in a table customer with non-uniform key field customer no.
A. delete from customer where customer no. exists (select distinct customer no. from customer having count)
B. delete customer a where customer no. in (select customer b where customer no. equal to b customer no.) and a rowid > b rowid
C. delete customer a where customer no. in (select customer no. from customer a, customer B.
D. none of the above
C LANGUAGE
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
Which may occurs as a result of cause not mentioned
(1) D
(2) A
(3) F
A. 1 only
B. 2 only
C. 1 and 2
D. 2 and 3
E. 1,2,3
C
Cost of an item is x. It's value increases by p% and decreases by p% Now the new value is 1 rupee, what is the actual value?
(1000)/(1000-p*p)
A right circular cylinder and a cone are there. Base radius of cone is equal to radius of cylinder. What is the ratio of height to slant side?
If p=2q then q=r*r,
if p-odd then q is even,
whether we decide r is even or odd?
A. first condition is sufficient
B. second condition is sufficient
C. both are sufficient
D. both are not sufficient
K
