__________ are often used where very rapid access is required, where fixed-length records are used, and where records are always accessed one at a time.

A network technician is installing a series of three access points to cover the entire wing of a building. Each access point has a wired connection and 802.11g is being used for the wireless transmission. Which of the following channels should be used for the access points?

A. Channels 7111 B. Channels 1611 C. Channels 135 D. Channels 246

What is the main difference between set and list in android?

A - Both are same B - Set can't contain duplicate values C - List may contain duplicate values D - B & C E - A & C