ACA Aruba Associate Troubleshooting & Diagnostics

Question 1

What is the first step in a systematic network troubleshooting methodology?

Accepted Answer

Define the problem and gather information

Answer

Replace suspected hardware components

Answer

Update all device firmware

Answer

Restart all network devices

Question 2

Which command on an Aruba switch tests basic IP connectivity to another device?

Accepted Answer

ping

Answer

traceroute

Answer

show ip route

Answer

show arp

Question 3

What does a high number of CRC errors on a switch interface typically indicate?

Accepted Answer

A physical layer problem such as a bad cable, connector, or duplex mismatch

Answer

A routing protocol misconfiguration

Answer

An incorrect VLAN assignment on the port

Answer

An authentication failure on the port

Question 4

What tool would you use to capture and analyze packets on an Aruba network?

Accepted Answer

Wireshark with port mirroring

Answer

SNMP MIB browser

Answer

Aruba Central Audit Trail

Answer

NetEdit change manager

Question 5

What does a duplicate IP address conflict cause on a network?

Accepted Answer

Intermittent connectivity loss for one or both devices sharing the IP address

Answer

Complete network outage for all devices on the subnet

Answer

Spanning tree reconvergence on all switches

Answer

OSPF neighbor adjacency failure

Question 6

Which Aruba CLI command shows the MAC address table on a switch?

Accepted Answer

show mac-address-table

Answer

show arp

Answer

show ip route

Answer

show lldp neighbors