HPE6-A48 Aruba Certified Mobility
Expert Written Exam
Question 1: What is the primary function of the Aruba Mobility Master
(MM)?
A. Serve as a lightweight access point
B. Centralized management and policy orchestration
C. Act as a backhaul switch
D. Provide DHCP services
Correct: B
Explanation: The Mobility Master provides centralized configuration,
policy management, and firmware orchestration for Mobility Controllers
and APs.
Question 2: Which component runs ArubaOS to manage wireless LAN
services?
A. Mobility Master
B. Instant AP
C. Mobility Controller
D. Aruba Campus Switch
Correct: C
,HPE6-A48 Aruba Certified Mobility
Expert Written Exam
Explanation: Mobility Controllers run ArubaOS to enforce policies,
manage clients, and control APs.
Question 3: In Aruba’s mobility architecture, what is the role of an
Instant AP?
A. Standalone controller-less AP mode
B. Virtual Mobility Master
C. Authentication server
D. Network analyzer
Correct: A
Explanation: Instant APs operate without a controller, electing a Virtual
Controller among themselves for basic management.
Question 4: Which protocol is used between Mobility Master and
Mobility Controllers?
A. OSPF
B. MP-BGP
C. AMT (Aruba Management Tunnel)
D. GRE
,HPE6-A48 Aruba Certified Mobility
Expert Written Exam
Correct: C
Explanation: The Aruba Management Tunnel (AMT) secures
communication between Mobility Master and Controllers.
Question 5: Which layer in the Aruba solution handles client
authentication and encryption?
A. Data Link
B. Mobility Controller
C. Mobility Master
D. Access Point
Correct: B
Explanation: Mobility Controllers terminate client sessions, handling
802.1X authentication and encryption.
Question 6: What is the recommended spacing between APs for
80 MHz channels in 5 GHz?
A. 10–15 feet
B. 30–40 feet
C. 60–70 feet
, HPE6-A48 Aruba Certified Mobility
Expert Written Exam
D. 100–120 feet
Correct: C
Explanation: Wider channels require more separation to reduce
co-channel interference; 60–70 ft is typical.
Question 7: Wi-Fi 6 (802.11ax) introduces which key feature for
efficiency?
A. OFDM
B. MU-MIMO uplink and downlink
C. DSSS
D. FHSS
Correct: B
Explanation: Wi-Fi 6 adds MU-MIMO on uplink in addition to downlink,
improving multi-client throughput.
Question 8: Which frequency band offers more non-overlapping
20 MHz channels?
A. 900 MHz
B. 2.4 GHz
Expert Written Exam
Question 1: What is the primary function of the Aruba Mobility Master
(MM)?
A. Serve as a lightweight access point
B. Centralized management and policy orchestration
C. Act as a backhaul switch
D. Provide DHCP services
Correct: B
Explanation: The Mobility Master provides centralized configuration,
policy management, and firmware orchestration for Mobility Controllers
and APs.
Question 2: Which component runs ArubaOS to manage wireless LAN
services?
A. Mobility Master
B. Instant AP
C. Mobility Controller
D. Aruba Campus Switch
Correct: C
,HPE6-A48 Aruba Certified Mobility
Expert Written Exam
Explanation: Mobility Controllers run ArubaOS to enforce policies,
manage clients, and control APs.
Question 3: In Aruba’s mobility architecture, what is the role of an
Instant AP?
A. Standalone controller-less AP mode
B. Virtual Mobility Master
C. Authentication server
D. Network analyzer
Correct: A
Explanation: Instant APs operate without a controller, electing a Virtual
Controller among themselves for basic management.
Question 4: Which protocol is used between Mobility Master and
Mobility Controllers?
A. OSPF
B. MP-BGP
C. AMT (Aruba Management Tunnel)
D. GRE
,HPE6-A48 Aruba Certified Mobility
Expert Written Exam
Correct: C
Explanation: The Aruba Management Tunnel (AMT) secures
communication between Mobility Master and Controllers.
Question 5: Which layer in the Aruba solution handles client
authentication and encryption?
A. Data Link
B. Mobility Controller
C. Mobility Master
D. Access Point
Correct: B
Explanation: Mobility Controllers terminate client sessions, handling
802.1X authentication and encryption.
Question 6: What is the recommended spacing between APs for
80 MHz channels in 5 GHz?
A. 10–15 feet
B. 30–40 feet
C. 60–70 feet
, HPE6-A48 Aruba Certified Mobility
Expert Written Exam
D. 100–120 feet
Correct: C
Explanation: Wider channels require more separation to reduce
co-channel interference; 60–70 ft is typical.
Question 7: Wi-Fi 6 (802.11ax) introduces which key feature for
efficiency?
A. OFDM
B. MU-MIMO uplink and downlink
C. DSSS
D. FHSS
Correct: B
Explanation: Wi-Fi 6 adds MU-MIMO on uplink in addition to downlink,
improving multi-client throughput.
Question 8: Which frequency band offers more non-overlapping
20 MHz channels?
A. 900 MHz
B. 2.4 GHz
