_____ and _____ developed the TCP and IP protocols and are considered by some to
ID: 3833197 • Letter: #
Question
_____ and _____ developed the TCP and IP protocols and are considered by some to be the "Fathers of the internet". A. Al Gore / Bob Dole B. Bob Metcalfe /Leonard Kleinrock C. Claude Shannon /Harry Nyquist D. Eddy Lamarr/Eric Schmidt E. Vint Cerf / Bob Kahn MAC-layer bridges create their forwarding tables by observing _____. A hardware (frame-level) destination addresses. B. hardware (frame-level) source addresses. C. internet (packet-level) destination addresses. D. internet (packet-level) source addresses. E. Virtual Circuit identifiers Which statement about the Spanning Tree algorithm is TRUE? A. All traffic that flows from one side of the tree to the other must be forwarded through a single root bridge/switch. B. Bridge ID numbers are based on the bridge (or switch's) IP address. C. Spanning Tree Bridge PDUs are transmitted within Ethernet Type II frames. D. The Spanning Tree algorithm has no way to identify alternate paths when a link or node within the existing spanning tree falls. Imagine an environment where a single MAC-layer bridge interconnects two Ethernets, "NET X" and "NET Y". Which step would not be part of the process of filtering or forwarding frames transmitted by nodes on NET X? (The steps are listed in order. All addresses are Ethernet MAC addresses). A. Receive each frame transmitted on NET X into bridge memory and find that frame's destination address in the bridge's forwarding table. B. Filter any frame with a destination address on NET X. C. Change the frame's source address to the address of the bridge's NET Y port. D. Retransmit any frame with a NET Y destination address onto NET Y. Which type of network does not carry global destination addresses in data packet headers? A. connectionless B. datagram C. IPv4 D. virtual circuit In cellular networks, the phrase that defines the number of cells clustered together, such that each cell must use a different set of frequencies, is _____. A area mobile phone sector (AMPS) B. cell division multiple access (CDMA) C. cell reuse factor D. cluster densityExplanation / Answer
answers:
24) E. vint cerf/Bob Kahn
25) B. hardware (frame-level) source address
26) B. Bridge ID numbers are based on the bridge or switches
27) A.
28) D
29) B
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