COS2626
MOCK EXAM 2025
UNIQUE NO.
DUE DATE: 2025
, lOMoARcPSD|18222662
8/25/25, 3:35 PM Assessment 4: Attempt review
UNISA 2025 COS2626-25-Y COS2626: Home Page 2025 Assessment 4
QUIZ
Started on Monday, 25 August 2025, 3:00 PM
State Finished
Completed on Monday, 25 August 2025, 3:32 PM
Time taken 31 mins 40 secs
Grade 29.50 out of 50.00 (59%)
Question1
Partially correct
Mark 0.50 out of 1.00
Which of the following statements regarding the OSI (Open Systems
Interconnection) model are INCORRECT? More than one statement applies.
a. The data link layer is the OSI layer that handles routing.
b. The transport layer of the OSI model makes sure the data received at
the very end of a transmission is exactly the same as the data
originally transmitted.
c. The physical layer of the OSI model is responsible for taking data
from the network layer and transforming it into a frame.
d. The session layer of the OSI model is responsible for establishing
synchronization points.
The correct answers are: The data link layer is the OSI layer that handles
routing., The physical layer of the OSI model is responsible for taking data from
the network layer and transforming it into a frame.
Question2
Correct
Mark 1.00 out of 1.00
Among the AWS (Amazon Web Services) support plans, Enterprise is the most
expensive support plan, and it requires a response time of less than ____ if a
business-critical system is down.
a. 1 hour
b. 3 hours
c. 24 hours
d. 15 minutes
The correct answer is: 15 minutes
MOCK EXAM 2025
UNIQUE NO.
DUE DATE: 2025
, lOMoARcPSD|18222662
8/25/25, 3:35 PM Assessment 4: Attempt review
UNISA 2025 COS2626-25-Y COS2626: Home Page 2025 Assessment 4
QUIZ
Started on Monday, 25 August 2025, 3:00 PM
State Finished
Completed on Monday, 25 August 2025, 3:32 PM
Time taken 31 mins 40 secs
Grade 29.50 out of 50.00 (59%)
Question1
Partially correct
Mark 0.50 out of 1.00
Which of the following statements regarding the OSI (Open Systems
Interconnection) model are INCORRECT? More than one statement applies.
a. The data link layer is the OSI layer that handles routing.
b. The transport layer of the OSI model makes sure the data received at
the very end of a transmission is exactly the same as the data
originally transmitted.
c. The physical layer of the OSI model is responsible for taking data
from the network layer and transforming it into a frame.
d. The session layer of the OSI model is responsible for establishing
synchronization points.
The correct answers are: The data link layer is the OSI layer that handles
routing., The physical layer of the OSI model is responsible for taking data from
the network layer and transforming it into a frame.
Question2
Correct
Mark 1.00 out of 1.00
Among the AWS (Amazon Web Services) support plans, Enterprise is the most
expensive support plan, and it requires a response time of less than ____ if a
business-critical system is down.
a. 1 hour
b. 3 hours
c. 24 hours
d. 15 minutes
The correct answer is: 15 minutes
