ACSA AOS-CX EXAM 2025
QUESTIONS AND ANSWERS
Which of the following are concepts or technologies that are specific to a LAN?
A. Ethernet
B. Wi-Fi
C. Multi-Protocol Label Switching (MPLS)
D. The Transmission Control Protocol (TCP)
E. Modulation and demodulation. - ....ANSWER ...-a. Ethernet
b. Wi-Fi
Which of the following are aspects of Layer 4 of the OSI model?
A. TCP
B. IP
C. UDP
D. Segmentation
E. Session Management - ....ANSWER ...-A. TCP
...©️ 2025, ALL RIGHTS RESERVED 1
,B. UDP
D. Segmentation
Under which circumstances is it most appropriate to use Single Mode fiber optic mode?
A. When you need to connect two devices in a single equipment rack
B. When you must connect two buildings that are 10km apart
C. When you are concerned about electromagnetic interference
D. When you want to use UDP instead of TCP. - ....ANSWER ...-B. When you
must connect two building that are 10km apart
C. When you are concerned about electromagnetic interference.
What does 11010110 equal in decimal?
A. 212
B. 198
C. 214
D. 218 - ....ANSWER ...-C. 214
Which of the options below accurately describe MAC addresses?
A. They are used at Layer 2 of the OSI model
B. They are used at Layer 3 of the OSI model
C. OUI is contained in the last 3 bytes of the address
...©️ 2025, ALL RIGHTS RESERVED 2
, D. They are 48-bits long.
E. They are used for Ethernet and Wi-Fi technologies, among others. -
....ANSWER ...-A They are used at Layer 2 of the OSI model
D. They are 48-bits long
E. They are used for Ethernet and Wi-Fi technologies among others.
Which components and concepts are directly focused on Layer 2 communications?
A. Switch
B. Router
C. Multi-Layer Switch
D. MAC addresses
E. IP Addresses
F. Access Points - ....ANSWER ...-A. Switch
C. Multi-Layer Switch
D. MAC Addresses
F. Access Points
Which components and concepts are directly focused on Layer 3 communications?
A. Switch
B. Router
...©️ 2025, ALL RIGHTS RESERVED 3
QUESTIONS AND ANSWERS
Which of the following are concepts or technologies that are specific to a LAN?
A. Ethernet
B. Wi-Fi
C. Multi-Protocol Label Switching (MPLS)
D. The Transmission Control Protocol (TCP)
E. Modulation and demodulation. - ....ANSWER ...-a. Ethernet
b. Wi-Fi
Which of the following are aspects of Layer 4 of the OSI model?
A. TCP
B. IP
C. UDP
D. Segmentation
E. Session Management - ....ANSWER ...-A. TCP
...©️ 2025, ALL RIGHTS RESERVED 1
,B. UDP
D. Segmentation
Under which circumstances is it most appropriate to use Single Mode fiber optic mode?
A. When you need to connect two devices in a single equipment rack
B. When you must connect two buildings that are 10km apart
C. When you are concerned about electromagnetic interference
D. When you want to use UDP instead of TCP. - ....ANSWER ...-B. When you
must connect two building that are 10km apart
C. When you are concerned about electromagnetic interference.
What does 11010110 equal in decimal?
A. 212
B. 198
C. 214
D. 218 - ....ANSWER ...-C. 214
Which of the options below accurately describe MAC addresses?
A. They are used at Layer 2 of the OSI model
B. They are used at Layer 3 of the OSI model
C. OUI is contained in the last 3 bytes of the address
...©️ 2025, ALL RIGHTS RESERVED 2
, D. They are 48-bits long.
E. They are used for Ethernet and Wi-Fi technologies, among others. -
....ANSWER ...-A They are used at Layer 2 of the OSI model
D. They are 48-bits long
E. They are used for Ethernet and Wi-Fi technologies among others.
Which components and concepts are directly focused on Layer 2 communications?
A. Switch
B. Router
C. Multi-Layer Switch
D. MAC addresses
E. IP Addresses
F. Access Points - ....ANSWER ...-A. Switch
C. Multi-Layer Switch
D. MAC Addresses
F. Access Points
Which components and concepts are directly focused on Layer 3 communications?
A. Switch
B. Router
...©️ 2025, ALL RIGHTS RESERVED 3
