In time, as more customers use the cellular system, traffic may build up so that there are not enough frequencies assigned to a cell to handle its calls. one approach to cope with this situation is to add new channels. what other four approaches are introduced in chapter 10 and have been used to increase the system capacity? you only need to write the name of each approach without describing its details.

To hide gridline when you display or print a worksheet

Auser is given read permission to a file stored on an ntfs-formatted volume. the file is then copied to a folder on the same ntfs-formatted volume where the user has been given full control permission for that folder. when the user logs on to the computer holding the file and accesses its new location via a drive letter, what is the user's effective permission to the file? a. read b. full control c. no access d. modify e. none of the above

If you combine two cells into one, what action are you performing? a.  adding a new row or column      b.  splitting the cells      c.  removing a new row or column      d.  merging the cells