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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. 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 If the phys...

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  • March 30, 2024
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CS402: Saylor Direct Credit Final Exam | Saylor
Academy Questions And Answers.

1). ___ messages are sent from one computer to the set of computers in its logical group.

 Ans: Multicast


2). 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

 Ans: a. CAN


3). If the physical layer 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

 Ans: c. Unreliable


4). _____ network topologies are the most expensive to implement, since they use the most
network cable.

 Ans: Mesh


5). How many direct links are required to support ten nodes in a fully-connected network
topology?

 Ans: n(n-1)/2
(10)((10)-1)/2
10(9)/2

=45




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, 6). Which of the following network topologies is relatively cheap to implement, since it uses a
single wire to connect every computer in the network?

 Ans: Bus


7). What is the rfc?

 Ans: A database of Internet service providers


8). Which kind of protocol would 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?

 Ans: UDP


9). 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

 Ans: a. Application


10). Which of the following osi layers is responsible for routing ip packets?
a. network
b. presentation
c. session
d. transport

 Ans: a. Network


11). Review this tcp packet. which of the following sections would be different if you were
instead looking at a udp packet?

 Ans:


12). Which of the following layers is a combination of the application, presentation, and session
layer in the tcp/ip reference model?

 Ans: Application Layer




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