CS402: Saylor Direct Credit Final Exam | Saylor Academy Questions and Answers
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CS402: Saylor Direct Credit Final Exam |
Saylor Academy Questions and Answers
___ messages are sent from one computer to the set of computers in its logical group. -
answerMulticast
Which of the following is a network that spans multiple LANs but is smaller than a MAN?
a. CAN
b. PAN
c. TAN
...
CS402: Saylor Direct Credit Final Exam | Saylor Academy Questions and Answers ___ messages are sent from one computer to the set of computers in its logical group. - answer✔✔Multicast Which of the following is a network that spans multiple LANs but is smaller than a MAN? a. CAN b. PAN c. TAN d. WAN - answer✔✔a. CAN If the physical l ayer delivers 1000 bits to the receiver, but the receiver only receives 900 bits, how could you describe the behavior of the physical layer? a. Reliable b. Error -free c. Unreliable d. Compressed - answer✔✔c. Unreliable _____ network topologies are the most expensive to implement, since they use the most network cable. - answer✔✔Mesh How many direct links are required to support ten nodes in a fully -connected network topology? - answer✔✔n(n-1)/2 (10)((10) -1)/2 10(9)/2 =45 Which of the following network topologies is relatively cheap to implement, since it uses a single wire to connect every computer in the network? - answer✔✔Bus What is the RFC? - answer✔✔A database of Internet service providers Which kind of protocol wou ld you use to stream live programs when you do not want to miss any future or present events, but you do not care as much about missing past packets? - answer✔✔UDP The protocols for email and web file access are described in which layer of the Internet protocol? a. Application b. Network c. Transport d. Session - answer✔✔a. Application Which of the following OSI layers is responsible for routing IP packets? a. Network b. Presentation c. Session d. Transport - answer✔✔a. Network Review this TCP packet. Which of the following sections would be different if you were instead looking at a UDP packet? - answer✔✔ Which of the following layers is a combination of the Application, Presentation, and Session layer in the TCP/IP reference model? - answer✔✔Application La yer Which of the following layers is unique to the TCP/IP reference model? - answer✔✔a. Application < - I think (?) [not: b. Internet] c. Transport d. VoIP What type of WAN technology would you recommend for an organization that wants to lay optical fiber c able between two cities? - answer✔✔Sonet Which of the following types of cable would most likely be found in a public network? a. Coaxial b. Optical fiber
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