Use ____ to include standard input and output header files in a C++ program.
A. #include
B. using namespace std;
C. #include
using namespace std;
D. #include
Answer: C
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Which of the following statements about the following code is false? word_counts = {} for word in text.split(): if word in word_counts: word_counts[word] += 1 else: word_counts[word] = 1
a. The expression text.split() tokenizes text by calling string method split, which separates the words using the method’s delimiter string argu-ment—if you do not provide an argument, split uses a space. b. Method split returns a list of tokens (that is, the words in text). c. The expression word_counts[word] += 1 inserts a new key-value pair in the dictionary. d. All of the above statements are true.
With the VBA ________ control structure there is virtually no limit to the commands and logic that can be applied
A) If-Then B) If-Then-Else C) If-Then-Again D) If-Then-End
At what frequency range do the 802.11b- and 802.11g-based wireless technologies operate?
A. 2.4 GHz B. 3.4 GHz C. 4.4 GHz D. 5.4 GHz
A technician is troubleshooting a newly installed WAP that is sporadically dropping connections to devices on the network. Which of the following should the technician check FIRST?
A. WAP placement B. Encryption type C. Bandwidth saturation D. WAP SSID