means that a protocol can decapsulate and deliver a packet to several next-higher layer protocols (one at a time). a. Demultiplexing b. Multiplexing c. Encapsulation d. Decapsulation 5- Flow control...

Extracted text: means that a protocol can decapsulate and deliver a packet to several next-higher layer protocols (one at a time). a. Demultiplexing b. Multiplexing c. Encapsulation d. Decapsulation 5- Flow control is the possibility of the. . layer. c. physical a. application ... cable can support highest bandwidth and greater transmission distance than any other guided media. a. UTP b. network d. data link b. STP c. Coaxial d. Fiber-optic 7- In . propagation, very high frequency are transmitted in straight line directly from antenna to antenna. a. line-of-sight b. sky e. Ground d. none of them 8- A beam of light moves from one medium to another medium with less density, if the incident angle is less than the eritical angle, the ray. b. refract c. attenuate d. not affected a. reflect 9. The . . mode is used in cases where there is a need for communication in both directions at the same time. a. Simplex b. Half-duplex e. Full-duplex d. Point to point 10, In . fier optic, the density of the core decreases gradually from the center to the edges. a. Multimode step-index b. Single mode c. Multimode graded-index d. None of them