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A network technician at a branch office is connecting VolP phones to a newly configured AOS-CX switch. Users are complaining that voice quality is not as good as at the corporate office. Further investigation shows the local-priority value at the branch office is 1 while at the corporate office is 5.

What describes the issue regarding the default QoS behavior on the AOS-CX switch?

A.
The QoS trust is set to DSCP by default, and the VolP phone's local-priority value is mapped to 1.
A.
The QoS trust is set to DSCP by default, and the VolP phone's local-priority value is mapped to 1.
Answers
B.
The QoS trust is set to CoS by default, and the VolP phone's local-priority value is mapped to 1.
B.
The QoS trust is set to CoS by default, and the VolP phone's local-priority value is mapped to 1.
Answers
C.
The QoS trust is set to none by default, and each VolP phone's local priority is configured for CoS map entry 1.
C.
The QoS trust is set to none by default, and each VolP phone's local priority is configured for CoS map entry 1.
Answers
D.
The QoS trust is set to none by default, and each VolP phone's local priority is configured for CoS map entry 0.
D.
The QoS trust is set to none by default, and each VolP phone's local priority is configured for CoS map entry 0.
Answers
Suggested answer: C

Explanation:

In an AOS-CX switch, if the QoS trust mode is not configured, it is set to none by default. The VoIP phones will mark their traffic with a local-priority value, which, if the QoS trust mode is none, will correspond to CoS map entry 1 by default. The local-priority value of 1 at the branch office likely indicates that the traffic is not being prioritized correctly compared to the corporate office, where a local-priority of 5 suggests a higher level of prioritization for voice traffic.

What is a common use of LLDP for wireless access points?

A.
testing the quality of the physical link between the access point and the switch
A.
testing the quality of the physical link between the access point and the switch
Answers
B.
discovery of rogue access points
B.
discovery of rogue access points
Answers
C.
exchange of RF channel information with nearby access points
C.
exchange of RF channel information with nearby access points
Answers
D.
negotiation of PoE power level to be provided to the access point
D.
negotiation of PoE power level to be provided to the access point
Answers
Suggested answer: D

Explanation:

LLDP (Link Layer Discovery Protocol) is commonly used by network devices, including wireless access points, to negotiate PoE (Power over Ethernet) power levels with the switch they are connected to. This allows the access point to communicate its power requirements to ensure it receives the necessary power for optimal operation.

A hacker has altered a user's 3-Way Handshake in order to gain access to their session.

Which security mechanism would intelligently deny this traffic?

A.
Out-of-band management (00BM)
A.
Out-of-band management (00BM)
Answers
B.
Stateless firewall
B.
Stateless firewall
Answers
C.
Access Control List (ACL)
C.
Access Control List (ACL)
Answers
D.
Stateful firewall
D.
Stateful firewall
Answers
Suggested answer: D

Explanation:

A stateful firewall would intelligently deny traffic from a hacker attempting to alter a user's 3-Way Handshake to gain access to their session. Stateful firewalls keep track of the state of active connections and can recognize if an incoming packet is part of an established session. This allows them to detect and block unauthorized access attempts that do not match the known state of a connection.

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