The Count Values aggregate function must be selected from the Totals menu to calculate the grand total of a selected column in a report. ____________________

If a cell contains =$N$21 and two new columns are inserted in front of column N and three rows are inserted above row 21, what happens to the =$N$21?

A) It remains =$N$21 B) It becomes =$L$18 C) It becomes =$Q$23 D) It becomes =$P$24

A switch in IDF 3 has shut down at 3 p.m. everyday this week. Which of the following network tools should Kim, a technician, use to troubleshoot this problem?

A. Environmental monitor B. Cable tester C. TDR D. Loopback plug