g materials is the least restrictive to 2.4-GH1z RF signal concrete 8 Mctal Metal C Steel D. Drywall ut. What utility is used to detenine the performance of the RF link between the 41. its associated AP? A. IPSU Sctup B. WEP KEY Manager C. Link Status Meter (LSM) D. VLAN Setup 42. Which of the following tells power-save client devices that a packet is waiting for them A. IBSS B. DIPS C. DTIM D. SIFS 43. Power over Ethernet delivers power to an AP through the same wires used for data in a standard unshielded twisted pair (UTP) Ethernet cable. True or False? In ad hoc mode, the wireless clients communicate directly with the AP. True or False? 45. An Extended Service Set (ESS) consists of two or more BSSs. True or False? io frequencies to different AP can provide better service. True or False? 47. Network managers like to subdivide large networks into smaller units known as subnets because this makes it casier to manage the entire network. True or False? 48. A sensor network is subject to a unique set of resource constraints such as a. finite on-board battery power b. limited network communication bandwidth c. none of the above d. both A and B 49. A sensor network is designed to collect information from the environment a. Logical b. physical