ACA Aruba Associate Troubleshooting & Diagnostics 3

Question 1

What does a spanning-tree topology change notification indicate on an Aruba switch?

Accepted Answer

A port state change that may temporarily disrupt traffic and trigger MAC address table flushes

Answer

A security breach on the network

Answer

A VLAN configuration error on a trunk port

Answer

A firmware incompatibility between switches

Question 2

Which Aruba diagnostic tool performs active tests simulating real user traffic to measure network performance?

Accepted Answer

Aruba Central Network Tests

Answer

Aruba AirWave Reports

Answer

Aruba NetEdit Diff Tool

Answer

ClearPass Policy Simulator

Question 3

What is the most likely cause when a DHCP client cannot obtain an IP address?

Accepted Answer

DHCP server unreachable, scope exhaustion, or missing DHCP helper-address on the router

Answer

Physical cable fault on the switch uplink

Answer

Spanning tree port blocked on the access layer

Answer

802.1X authentication timeout

Question 4

What does 'flapping' mean in the context of network interfaces or routing protocol neighbors?

Accepted Answer

A port or neighbor repeatedly going up and down in rapid succession

Answer

A physical cable that is loose and vibrating

Answer

An interface switching between full and half duplex

Answer

A routing entry alternating between two paths

Question 5

What information does the show ap debug client-table command provide on an Aruba controller?

Accepted Answer

Per-client association details including signal, data rate, and authentication state

Answer

AP channel utilization and interference levels

Answer

DHCP lease information for wireless clients

Answer

AP firmware version and uptime statistics

Question 6

What Aruba tool would you use to visualize the RF environment and identify coverage gaps?

Accepted Answer

Aruba Central RF Health or Aruba AirWave VisualRF

Answer

Aruba NetEdit topology view

Answer

ClearPass Access Tracker

Answer

Aruba Central Audit Trail