A) rotational latency is insignificant compared to the average seek time. B) modern disks do not disclose the physical location of logical blocks. C) the operating systems may have other constraints such as writes may be more urgent than reads. D) it is difficult to optimize seek time in disk hardware.

The ieee 802.11: defines standards for wireless local area network (wlan) communication protocols. identifies various computers or devices connected to a network. verifies any resource attached to another computer on a network that is different from the computer to which the user is logged on. connects multiple local area networks (lans) and wide area networks (wans).