CS402: Saylor Direct Credit Final Exam | Saylor Academy
Exam
___ 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 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 - 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 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? - 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?
Exam
___ 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 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 - 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 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? - 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?
