Question 490
The HPE AOS-CX switching case is: A network team declares a cable fixed even though FCS counters continue rising on the same interface. Which TWO choices together provide the targeted remedy and independent validation? (Select TWO.)
Explanation
Correct Answers
The targeted correction for A network team declares a cable fixed even though FCS counters continue rising on the same interface is: Correlate time-synchronized switch logs, counters and recent configuration changes before replacing hardware or changing protocols. It reduces the risk that a remediation based on uncorrelated symptoms can fix a side effect while the actual trigger remains active.
A separate operational validation for A network team declares a cable fixed even though FCS counters continue rising on the same interface is: A before/after event timeline and counters show the original fault stopped with no unexpected new alerts. It proves intended behavior instead of accepting configuration presence alone.
Incorrect Answers
This alternative concerns multicast join and routed multicast fault recovery; its associated risk is: Enabling more multicast flooding without diagnosis can overload unrelated VLANs and still fail inter-subnet delivery. The observed case A network team declares a cable fixed even though FCS counters continue rising on the same interface requires the more specific logs event timeline and interface counters remediation control. The targeted action is: Correlate time-synchronized switch logs, counters and recent configuration changes before replacing hardware or changing protocols.
This alternative concerns structured fault isolation from endpoint to core; its associated risk is: Changing unrelated switching settings before locating the break can introduce secondary outages and destroy useful evidence. The observed case A network team declares a cable fixed even though FCS counters continue rising on the same interface requires the more specific logs event timeline and interface counters remediation control. The targeted action is: Correlate time-synchronized switch logs, counters and recent configuration changes before replacing hardware or changing protocols.
This alternative concerns qos congestion remediation using actual queue telemetry; its associated risk is: Changing priority globally based on one poor call can starve critical classes or fail to address an undersized physical uplink. The observed case A network team declares a cable fixed even though FCS counters continue rising on the same interface requires the more specific logs event timeline and interface counters remediation control. The targeted action is: Correlate time-synchronized switch logs, counters and recent configuration changes before replacing hardware or changing protocols.