read each question and then choose the letter of the cared answer. I matt sela$)$ A single networkb$)$ Interconnection of local area networksc$)$ A wireless networkd$)$ A vast collection of diffierent networtse$)$ a and dare correct$\mathrm{.}2.$ The time required to examine the packet's header and determine where to direct the packet is part ofa$)$ Queuing delayd$)$ Propagation delayb$)$ Transmission delaye$)$ band d are correct.c$)$ Processing delay$3.$ The resources needed for communication between end systems are reserved for the duration of sessic between end systems ina$)$ Packet switchingb$)$ Line switchingd$)$ Circuit switchinge$)$ band c are correctc$)$ Frequency switching$4.$ A set of rules that governs data communication a$)$StandardsbjProtocolsRFCSd$)$ Applicationse$)$ Physical Layer$5.$ Most packet switches use this principle a Stop and waitb$)$ Stop and forwardStore and waitd$)$ Stop and storee$)$ Store and forwardQB. Match the following actions to corresponding layers of the TCP$/$IP model:$[1$ mark each$)$LayersMatchedNumberActions$5$Application layerOrganize bits into frames, provide hop$-$to$-$hop deliveryTransport layerRoute selection$3$Network layerProvides user services such as e$-$mail and file transferData link layersMechanical, electrical, and functional interfaceProvide reliable process$-$to$-$process message delivery & errorPhysical layerrecovery