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Which command prints the names of employees hired after 2020-01-01? [Select all that apply.]

ID,FirstName,LastName,Salary, Age,HireDate,Country101,John,Smith,55000,30,2022-03-15,USA102,Emily,Johnson,62000,28,2021-11-22,Canada103,Michael,Brown,48000,35,2023-01-10,UK104,Sarah,Davis,58000,31,2022-05-20,Australia105,David,Anderson,60000,29,2022-09-05,Germany106,Lisa,Williams,52000,33,2022-02-18,France107,Robert,Miller,54000,32,2021-12-08,Spain108,Mary,Jones,51000,34,2023-03-25,Italy109,William,Clark,53000,27,2022-07-14,Japan110,Olivia,Harris,59000,30,2022-04-01,China Consider the above dummy data with the file name “empData.csv” Which of the following commands will sort data by salary in descending order and save only the lowest salary in the lowest.csv file?

What does -n do in sed -n ‘s/abc/xyz/p’? [Select all that apply.]

Which of the following are required components of a case statement? [Select all that apply.]

Which users can perform privileged operations in Linux? [Select all that apply.]

Which of the following statements about BEGIN and END blocks in AWK are true? [Select all that apply.]

Which of these are correct uses of tar? [Select all that apply.]

Which of the following are redirection operators? [Select all that apply.]

The critical angle for total internal reflection at a diamond-air interface is 25°. Suppose light is incident at an angle of θ with the normal. Total internal reflection will occur if the incident medium is:

Consider the three electric charges shown in the figure. List the charges in order of the magnitude of the force they experience, starting with the greatest. fig_q2_final.jpg