CS402: Saylor Direct Credit Final
2024/2025 Exam | Saylor Academy
, CS402: Saylor Direct Credit Final
2024/2025 Exam | Saylor Academy
___ messages are sent from one computer to the set of computers in its logical group. -
Answer ✓✓Multicast
_____ network topologies are the most expensive to implement, since they use the
most network cable. - Answer ✓✓Mesh
A manager is a host that runs which of the following SNMP processes? - Answer ✓✓
Client
A MIME message must - Answer ✓✓allow audio/video transmissions.
A random isolated error in a segment in the transport layer occurs when: - Answer ✓✓
one bit flips.
A(n) _____ query requests the domain name that corresponds to a given IP address. -
Answer ✓✓a. inverse
Host1 is directly connected to router R1. Host1 sends out a message to router R3, but
router R3 prevents delivery of the IP packet. Which of the following protocols would you
use to make sure that an error message is reported to Host1, so that Host1 can
determine whether or not it needs to re-send the IP packet? - Answer ✓✓ICMP
Host8 sends packets to Host9, but those packets are lost en route. What step would
you take first to troubleshoot this issue?
a. Check the fiber cable between R1-R2-Host9
b. Verify the interface status between R1-R2-Host9
c. Use a tracert command to verify connectivity between R1 and R2
d. Use a ping command to verify the connectivity between Host8 and Host9 - Answer ✓
✓d. Use a ping command to verify the connectivity between Host8 and Host9
How can you tell that the destination did not receive the packet described in the image
below? [photo] - Answer ✓✓There was no acknowledgement message.
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
2024/2025 Exam | Saylor Academy
, CS402: Saylor Direct Credit Final
2024/2025 Exam | Saylor Academy
___ messages are sent from one computer to the set of computers in its logical group. -
Answer ✓✓Multicast
_____ network topologies are the most expensive to implement, since they use the
most network cable. - Answer ✓✓Mesh
A manager is a host that runs which of the following SNMP processes? - Answer ✓✓
Client
A MIME message must - Answer ✓✓allow audio/video transmissions.
A random isolated error in a segment in the transport layer occurs when: - Answer ✓✓
one bit flips.
A(n) _____ query requests the domain name that corresponds to a given IP address. -
Answer ✓✓a. inverse
Host1 is directly connected to router R1. Host1 sends out a message to router R3, but
router R3 prevents delivery of the IP packet. Which of the following protocols would you
use to make sure that an error message is reported to Host1, so that Host1 can
determine whether or not it needs to re-send the IP packet? - Answer ✓✓ICMP
Host8 sends packets to Host9, but those packets are lost en route. What step would
you take first to troubleshoot this issue?
a. Check the fiber cable between R1-R2-Host9
b. Verify the interface status between R1-R2-Host9
c. Use a tracert command to verify connectivity between R1 and R2
d. Use a ping command to verify the connectivity between Host8 and Host9 - Answer ✓
✓d. Use a ping command to verify the connectivity between Host8 and Host9
How can you tell that the destination did not receive the packet described in the image
below? [photo] - Answer ✓✓There was no acknowledgement message.
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
