CS402 — Saylor Direct Credit Final Exam — Saylor Academy — Complete Questions and Answers

CS402: SaylorDirect Credit Final Exam |
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messagesaresentfrom onecomputerto thesetof computersin its logicalgroup.- ✔✔Multicast



Which of thefollowingis a networkthatspansmultipleLANs but is smallerthana MAN?

a. CAN

b. PAN

c. TAN

d. WAN - ✔✔a. CAN



If thephysicallayerdelivers1000bitsto thereceiver,butthereceiveronly receives900bits,howcould you
describe the behavior of the physical layer?

a. Reliable

b. Error-free

c. Unreliable

d. Compressed- ✔✔c. Unreliable



networktopologiesarethemostexpensiveto implement,sincetheyusethemostnetworkcable.
- ✔✔Mesh



How manydirectlinks arerequiredto supporttennodesin a fully-connectednetworktopology?-
✔✔n(n-1)/2

(10)((10)-1)/2

10(9)/2



=45

, Which of thefollowingnetworktopologiesis relativelycheapto implement,sinceit usesa singlewireto connect
- ✔✔Bus
every computer in the network?



Whatis theRFC? - ✔✔A databaseof Internetserviceproviders



Which kind of protocolwouldyouuseto streamlive programswhenyoudo notwantto miss anyfuture or
- ✔✔UDP
present events, but you do not care as much about missing past packets?



The protocolsfor emailandwebfile accessaredescribedin whichlayerof theInternetprotocol?

a. Application

b. Network

c. Transport

d. Session- ✔✔a. Application



Which of thefollowingOSI layersis responsiblefor routingIP packets?

a. Network

b. Presentation

c. Session

d. Transport- ✔✔a. Network



Reviewthis TCP packet.Which of thefollowingsectionswouldbedifferentif youwereinsteadlookingat a UDP
packet?- ✔✔



Which of thefollowinglayersis a combinationof theApplication,Presentation,andSessionlayerin the TCP/IP
- ✔✔Application Layer
reference model?



Which of thefollowinglayersis uniqueto theTCP/IP referencemodel?- ✔✔a. Application<- I think (?) [not:

b. Internet]

c. Transport