Which of the following commands lists file attributes?

a. ls
b. ls -la
c. ls -l
d. ls -al


c. ls -l
Explanation: ls lists the basic files in the directory; ls -l lists file attributes; and ls -la or ls -al enables you to see hidden files in addition to the file attributes.

Computer Science & Information Technology

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Which of the following is true about a hash table?

a. A hash table has Big-O O(1) constant insert and search operation performance b. A hash table does not have duplicate data c. A hash table sorts the values d. A hash table has a separate linked list for the key and the value in the key-value pairs

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A query that uses an aggregate function for data that can be grouped by two types of information and displays the data in a compact, spreadsheet-like format with column headings and row headings

a. Calculated query b. Parameter query c. Crosstab query

Computer Science & Information Technology

Marketers, such as VisiStat or Webtrends, are examples of online advertising networks.

Answer the following statement true (T) or false (F)

Computer Science & Information Technology

Which of the following commands is BEST to use when testing remote connectivity to a host?

A. win/s B. ping C. telnet D. ipconfig

Computer Science & Information Technology