A customer is attempting to download a file from a remote FTP server, but receives an error that a connection cannot be opened. Which of the following should be one FIRST to resolve the problem?
A. Ensure that port 20 is open
B. Ensure that port 161 is open
C. Flush the DNS cache on the local workstation
D. Validate the security certificate from the host
Answer: A. Ensure that port 20 is open
Computer Science & Information Technology
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The quicksort is ______ in the worst case.
a) O(n2) b) O(n3) c) O(n log2n) d) O(log2n)
Computer Science & Information Technology
When you drag an object from a dataset to an empty area on the form, the computer creates a control and automatically binds the object to it.
Answer the following statement true (T) or false (F)
Computer Science & Information Technology