VERITAS軟件筆試題

維爾VERITAS軟件筆試題

1. A class B network on the internet has a subnet mask of 255.255.240.0, what is the maximum number of hosts per subnet .
a. 240 b. 255 c. 4094 d. 6553

2. What is the difference: between o(log n) and o(log n^2), where both log arithems have base 2 .
a. o(log n^2) is bigger b. o(log n) is bigger c. no difference

3. For a class what would happen if we call a class’s constructor from with the same class’s constructor .
a. compilation error b. linking error
c. stack overflow d. none of the above

4. “new” in c++ is a: .
a. library function like malloc in c
b. key word c. operator
d. none of the above

5. Which of the following information is not contained in an inode .
a. file owner b. file size
c. file name d. disk address

6. What’s the number of comparisons in the worst case to merge two sorted lists containing n elements each .
a. 2n b.2n-1 c.2n+1 d.2n-2

7. Time complexity of n algorithm T(n), where n is the input size ,is T(n) =T(n-1)+1/n if n>1 otherwise 1 the order of this algorithm is .
a. log (n) b. n c. n^2 d. n^n

8. The number of 1’s in the binary representation of 3*4096+ 15*256+5*16+ 3 are .
a. 8 b. 9 c. 10 d. 12

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