Cisco® 300-430 Exam Practice Questions (P. 4)
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Question #17
An enterprise has two WLANs configured on WLC. It is reported that when converting APs to FlexConnect mode, WLAN A works but WLAN B does not. When converting APs to local mode, WLAN B works, but WLAN A does not. Which action is needed to complete this configuration?
- ACreate a Cisco FlexConnect group with WLAN-VLAN mapping.
- BDisable local switching on the WLANs.
- CMap the AP group to the WLAN interface.
- DJoin the APs to a Cisco FlexConnect group.
Correct Answer:
A
A
GPT-4o - Answer
To rectify the issue of varying WLAN functionality in different AP modes, configuring a Cisco FlexConnect group with WLAN-VLAN mapping is required. This setup ensures each WLAN is correctly associated with its respective VLAN, thereby facilitating optimal flexibility and performance in either AP mode. This approach manages the VLAN associations effectively when APs switch between Local and FlexConnect modes, addressing the unique requirements of each WLAN under different operational modes.
Question #18
An engineer wants the wireless voice traffic class of service to be used to determine the queue order for packets received, and then have the differentiated services code point set to match when it is resent to another port on the switch. Which configuration is required in the network?
- APlatinum QoS configured on the WLAN
- BWMM set to required on the WLAN
- Cmsl qos trust dscp configured on the controller switch port
- Dmsl qos trust cos configured on the controller switch port
Correct Answer:
C
C
GPT-4o - Answer
When configuring the network for voice traffic class of service with regard to queue order and DSCP settings, the correct command is indeed `mls qos trust dscp`. This command ensures that the switch port respects the DSCP markings on incoming packets for queue decisions and maintains these markings when packets are forwarded. This setting is crucial for maintaining the integrity of voice traffic prioritization across network segments. Be mindful that while `mls qos trust cos` seems related, it prioritizes based on CoS tags, which primarily affects internal switch traffic handling rather than inter-switch DSCP consistency.
Question #19
When using a Cisco Catalyst 9800 Series Wireless Controller, which statement about AutoQoS is true?
- AIt has a set of predefined profiles that you cannot modify further
- BIt matches traffic and assigns each matched packet to QoS groups
- CIt automates deployment of wired QoS and makes wireless QoS implementation easier
- DIt allows the output policy map to put specific QoS queues into specific subgroups
Correct Answer:
B
B
GPT-4o - Answer
AutoQoS on the Cisco Catalyst 9800 Series Wireless Controller is designed to match traffic based on predefined conditions and then assigns each of these matched packets into specific QoS groups. This functionality aids in prioritizing traffic efficiently and ensures better network performance and management. This specific behavior is fundamental for optimizing wireless network traffic which corresponds with the complexities and demands of modern network environments.
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