The most common operation performed on a binary tree is a(n) ____.

To move the insertion point to the beginning of the document, you can press ________

A) [CTRL] + [SHIFT] B) [CTRL] + [T] C) [CTRL] + [HOME] D) [SHIFT] + [HOME]

Ann, a technician, installs a wireless router in a network closet in a large office. She then configures all workstations in various offices on that floor to use the wireless connection. Maximum connection speed at each workstation is 54 Mbps. Some users complain that their network connection is very slow. Which of the following is MOST likely the problem?

A. Workstations were configured with the wrong connection speed on the wireless adapter. B. Users with a slow connection are too far away from the wireless router. C. Users that cannot connect are configured on the wrong channel. D. Wireless network SSID is incorrect.