While troubleshooting a network connection problem for a coworker, you discover the computer is querying a nonexistent DNS server. What command-line utility can you use to assign the correct DNS server IP address?
What will be an ideal response?
nslookup
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Which of the following statements is false?
a. The standard deviation is the square root of the variance (in this case, 1.5), which tones down the effect of the outliers. b. The smaller the variance and standard deviation are, the further the data val-ues are from the mean and the greater overall dispersion (that is, spread) there is between the values and the mean. c. The following code calculates the population standard deviation with the sta-tistics module’s pstdev function: statistics.pstdev([1, 3, 4, 2, 6, 5, 3, 4, 5, 2]) d. All of the above statements are true.
Which is not an advantage of nested menus?
A) They allow the screen to appear more cluttered. B) They provide good screen design. C) They allow users to avoid seeing menu options in which they have no interest. D) They can move users quickly through the program.
A company is involved in major litigation with another corporation regarding a patent dispute used in both of their document imaging systems. An attorney for one of the companies has filed a motion to have certain documents withheld from the discovery process because he considers them to be work product. What type of documents is he trying to protect?
a. Documents that were prepared while developing the product in dispute. b. Documents that define the exact specifications for engineering the disputed product. c. Documents prepared by the legal team in anticipation of litigation. d. The attorney is simply trying to buy time. There is no work product privilege that can be invoked in a civil suit.
The amount of overhead incurred by many-to-many thread mappings that implement thread pooling is _________ the amount of overhead incurred by one-to-one mappings.
a) greater than b) less than c) the same as d) unrelated to