InterviewSolution
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InterviewSolution
This section includes InterviewSolutions, each offering curated multiple-choice questions to sharpen your knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Which of the following are used to generate a message digest by the network security protocols?(P) RSA (Q) SHA-1 (R) DES (S) MD5(A) P and R only(B) Q and R only(C) Q and S only(D) R and S only |
| Answer» | |
| 2. |
Given the following two statements: S1: Every table with two single-valued attributes is in 1NF, 2NF, 3NF and BCNF. S2: AB->C, D->E, E->C is a minimal cover for the set of functional dependencies AB->C, D->E, AB->E, E->C. Which one of the following is CORRECT?(A) S1 is TRUE and S2 is FALSE.(B) Both S1 and S2 are TRUE.(C) S1 is FALSE and S2 is TRUE.(D) Both S1 and S2 are FALSE. |
| Answer» None | |
| 3. |
Consider the relation scheme R = {E, F, G, H, I, J, K, L, M, M} and the set of functional dependencies {{E, F} -> {G}, {F} -> {I, J}, {E, H} -> {K, L}, K -> {M}, L -> {N} on R. What is the key for R?(A) {E, F}(B) {E, F, H}(C) {E, F, H, K, L}(D) {E} |
| Answer» None | |
| 4. |
Which one of the following is FALSE?(A) User level threads are not scheduled by the kernel.(B) When a user level thread is blocked, all other threads of its process are blocked.(C) Context switching between user level threads is faster than context switching between kernel level threads.(D) Kernel level threads cannot share the code segment |
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| 5. |
Consider the following four schedules due to three transactions (indicated by the subscript) using read and write on a data item x, denoted by r(x) and w(x) respectively. Which one of them is conflict serializable.(A) A(B) B(C) C(D) D |
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| 6. |
Four fair six-sided dice are rolled. The probability that the sum being 22 is X/1296. The value of X is ________(A) 7(B) 8(C) 9(D) 10 |
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| 7. |
Suppose you break a stick of unit length at a point chosen uniformly at random. Then the expected length of the shorter stick is ________(A) 0.24 to 0.27(B) 0.15 to 0.30(C) 0.20 to 0.30(D) 0.10 to 0.15 |
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| 8. |
Identify the correct order in which the following actions take place in an interaction between a web browser and a web server.The web browser requests a webpage using HTTP.The web browser establishes a TCP connection with the web server.The web server sends the requested webpage using HTTP.The web browser resolves the domain name using DNS.(A) 4,2,1,3(B) 1,2,3,4(C) 4,1,2,3(D) 2,4,1,3 |
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| 9. |
Consider two processors P1 and P2 executing the same instruction set. Assume that under identical conditions, for the same input, a program running on P2 takes 25% less time but incurs 20% more CPI (clock cycles per instruction) as compared to the program running on P1. If the clock frequency of P1 is 1GHz, then the clock frequency of P2 (in GHz) is _________.(A) 1.6(B) 3.2(C) 1.2(D) 0.8 |
| Answer» None | |
| 10. |
Which of the regular expressions given below represent the following DFA? I) 0*1(1+00*1)*II) 0*1*1+11*0*1III) (0+1)*1 (A) I and II only(B) I and III only(C) II and III only(D) I, II, and III |
| Answer» None | |
| 11. |
(A) {q0, q1, q2}(B) {q0, q1}(C) {q0, q1, q2, q3}(D) {q3} |
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| 12. |
The roots of ax2 + bx + c are real and positive. a, b and c are real. Then ax2 + b|x| + chas(A) no roots(B) 2 real roots(C) 3 real roots(D) 4 real roots |
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| 13. |
Which one of the following is TRUE?(A) A(B) B(C) C(D) D |
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| 14. |
Geneticists say that they are very close to confirming the genetic roots of psychiatric illnesses such as depression and schizophrenia, and consequently, that doctors will be able to eradicate these diseases through early identification and gene therapy.On which of the following assumptions does the statement above rely?(A) Strategies are now available for eliminating psychiatric illnesses(B) Certain psychiatric illnesses have a genetic basis(C) All human diseases can be traced back to genes and how they are expressed(D) In the future, genetics will become the only relevant field for identifying psychiatric illnesses |
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| 15. |
The Palghat Gap (or Palakkad Gap), a region about 30 km wide in the southern part of the Western Ghats in India, is lower than the hilly terrain to its north and south. The exact reasons for the formation of this gap are not clear. It results in the neighbouring regions of Tamil Nadu getting more rainfall from the South West monsoon and the neighbouring regions of Kerala having higher summer temperatures. What can be inferred from this passage?(A) The Palghat gap is caused by high rainfall and high temperatures in southern Tamil Nadu and Kerala(B) The regions in Tamil Nadu and Kerala that are near the Palghat Gap are low-lying(C) The low terrain of the Palghat Gap has a significant impact on weather patterns in neighbouring parts of Tamil Nadu and Kerala(D) Higher summer temperatures result in higher rainfall near the Palghat Gap area |
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| 16. |
Which of the following options is the closest in meaning to the phrase underlined in the sentencebelow?It is fascinating to see life forms cope with varied environmental conditions.(A) adopt to(B) adapt to(C) adept in(D) accept with |
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