A technician is having problems sending a notification from a server. The technician suspects the firewall may be blocking traffic. Which of the following clients can be used to confirm the technician's suspicions?
A. traceroute
B. sendmail
C. nslookup
D. telnet
Answer: A. traceroute
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If the capacity of a vector named names is 20 and the size of names is 19, which of the following statements are legal?
a. names.push_back("myName"); b. names[18]="myNmae"; c. all of the above d. none of the above
The Linux command ____________________ shows you where the files appear in your PATH.?
Fill in the blank(s) with the appropriate word(s).
Integrated circuits incorporate many _____ on a single tiny silicon chip, making computers smaller and more reliable.
A. ?transistors and electronic circuits B. ?batch files and algorithmic circuits C. ?arrays and bitmap circuits D. ?metafiles and mnemonic circuits
One extremely important advantage of using integer expressions as subscripts is that it allows sequencing through an array by using a loop.
Answer the following statement true (T) or false (F)