30. Which of the following subnets does NOT include IP address 192.168.30.57?
(A) 192.168.30.26/24
(B) 192.168.28.73/22
(C) 192.168.30.125/30
(D) 192.168.41.25/18
(E) 192.168.3.253/16

26. Which one of the following has the best time complexity? (A) log n (B) n/2 (C) n (D) n log n (E) 2n

27. Machine learning can be divided into supervised learning and unsupervised learning. The two problems most commonly dealt with in supervised learning are regression and classification. When you predict the target to be a continuous numerical value, we call it regression； if the target is discrete, we call it classification. Which one of the following common algorithms is NOT a classification algorithm? (A) SVM (B) Linear (C) Decision trees (D) KNN (E) Naive Bayes

28. Which of the following terms is NOT included in 5 V’s of Big Data? (A) Volume (B) Variety (C) Value (D) Velocity (E) Volatility

29. Regarding the evaluation of machine learning, a confusion matrix contains TP (true positive) =500, FN (false negative) = 100, FP (false positive) = 50, and TN (true negative) = 550 is proposed. Please indicate the value of recall for this model. (A) 1050 / 1200 (B) 500 / 600 (C) 500 / 550 (D) 500 / 650 (E) 500 / 1050

1. In Lebanon, traders and  corrupted people have withheld 74% of the country’s   subsidized   goods from the public over the past year. (A) enacted (B) enabled (C) endowed (D) enlarged (E) engaged

2. While the police said it was unclear who was responsible for the alleged attack, the victims reported extremists attempting to   sabotage   talks to end the war. (A) operate (B) offend (C) ordain (D) obstruct (E) object

3. After the magnitude 7 earthquake,   debris   littered everywhere in the megacity. (A) racket (B) revel (C) ritual (D) roulette (E) rubble

4. After working with my new colleague for a week, I realized that we are   incongruous   with each other because of our different working styles. (A) incoherent (B) incompatible (C) incomparable (D) inconceivable (E) inconclusive

5. The review of the new talk show was so   vitriolic   that we all expressed doubts about the reviewer’s background. (A) caustic (B) flattering (C) insightful (D) nonsensical (E) unprofessional

6. Benson always fears that by   inadvertence   he would answer the question in the wrong place. (A) overlap (B) overpressure (C) overture (D) oversight (E) overhaul