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HPE6-A45 Implementing Aruba Campus Switching solutions Questions and Answers

Question # 6

Refer to the exhibits.

HPE6-A45 question answer

HPE6-A45 question answer

The network administrator enters the commands shown in Exhibit 2, and Switch-1 and Switch-2 exchange keepalive messages. What is the expected behavior if Switch-1 later fails to receive keepalive messages from Switch-2?

A.

Switch-1 disables interface 1 for 10 seconds, and then re-enables it. The same process repeats twice. If the issue persists, the switch disables the interface permanently.

B.

After two consecutive missed keep-alive packets, Switch-1 disables interface 1, and the interface stays disabled until the issue is fixed.

C.

After two consecutive missed keep-alive packets, Switch-1 sends SNMP traps, and Link 1 stays up until the issue is fixed.

D.

Switch-1 disables interface 1 for 10 seconds and then re-enables it. The interface continues to be re-enabled and disabled every 10 seconds until the issue is fixed.

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Question # 7

Refer to the exhibit.

HPE6-A45 question answer

Network administrators need to determine if the QoS settings on their AOS-Switches still meet their needs. Interface 1 is a 1 Gbps interface. Assume that the interface needs to forward this amount of traffic during a time of congestion:

  • Traffic with default 802.1p value = 600 Mbps
  • Traffic with the 802.1p value 7 = 600 Mbps

Given the exhibit, how much bandwidth is available for the default traffic?

A.

20 Mbps

B.

200 Mbps

C.

400 Mbps

D.

500 Mbps

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Question # 8

AOS-Switch runs IGMP in data-driven mode. What behavior does it exhibit?

A.

It drops multicasts destined to groups that have no members

B.

It preempts the querier role even if another device has higher priority

C.

It floods multicasts on all ports in the VLAN if the group has at least one member

D.

It disables automatic fast leave on ports that connect to a single device

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Question # 9

Network administrators need to configure a BGP neighbor on an AOS-Switch. What defines the neighbor as an iBGP neighbor?

A.

It has BGP synchronization enabled.

B.

It has an AS number in the range of 64512 to 64535.

C.

Its update source is set to a private company IP address.

D.

Its remote-AS is the same as the AOS-Switch BGP AS.

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Question # 10

A company has AOS-Switches deployed at sites with inexperienced IT staff. The main office network administrators want to track if configurations change on branch switches.

What should be set up for this purpose?

A.

an SNMP trap

B.

an RMON alarm

C.

an IP SLA profile

D.

an auto-config server

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Question # 11

A network administrator needs to control traffic based on Ethertype and Class of Service. What should the administrator configure for this purpose?

A.

both a standard IP ACL and a standard MAC ACL

B.

both a standard IP ACL and an extended MAC ACL

C.

an extended IP ACL only

D.

an extended MAC ACL only

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Question # 12

Refer to the exhibits.

Exhibit 1

HPE6-A45 question answer

Exhibit 2

HPE6-A45 question answer

Network administrators are alerted to high interface utilization on a switch by a management solution. They examine the utilization on the uplink interfaces several times an hour during problem times. The exhibit shows output typical of times of congestion. The administrators want to allocate bandwidth fairly and reduce congestion on the uplinks.

What could help meet these requirements?

A.

a per-queue rate limit on interfaces 1 and 2

B.

an outbound rate limit on each edge port

C.

a broadcast rate limit on each edge port

D.

an outbound rate limit on interfaces 1 and 2

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Question # 13

A network administrator needs to configure PIM across several AOS-Switches in the same routing domain.

What correctly describes how they can implement PIM modes?

A.

Switches at the network edge should run PIM-SM, while switches at the network core should run PIM-DM.

B.

All switches must use PIM-DM only or all switches must use PIM-SM only for the solution to work.

C.

Different interfaces on the same switch can run in different modes, but the mode must match the neighbor.

D.

Switches at the network core should run PIM-DM, while switches at the network edge should run PIM-SM.

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Question # 14

Refer to the exhibit.

HPE6-A45 question answer

A known unicast packet is received from Switch-1 on the standby and must be forwarded to Switch-2. How does the VSF fabric decide which port in the aggregated link should forward the packet?

A.

The standby uses its own port in the link aggregation to forward the fabric.

B.

The standby sends the packet to the commander over a VSF link, and the commander decides the correct port.

C.

The standby uses the typical load sharing algorithm, and it might select either its port or the commander’s port.

D.

The standby selects the port on the designated forwarder for the aggregation.

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Question # 15

How far do OSPF link state updates (LSUs) for Type 1 (Router) and Type 2 (Network) LSAs propagate?

A.

to every OSPF router in the local area

B.

to every OSPF router in all areas

C.

to every OSPF router in the local area and the backbone

D.

to every OSPF router in the network to which the LSU applies

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Question # 16

Two AOS-Switches are directly interconnected. The network administrator wants to prevent broadcast storms and other Layer 2 issues that could occur if there is physical damage to a cable.

Which technology should the administrator implement on the connected switch interfaces?

A.

MAC Lockdown

B.

Bidirectional Forwarding Detection (BFD)

C.

Spanning Tree Root Guard

D.

Unidirectional Link Detection (UDLD)

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Question # 17

The security plan for AOS-Switches calls for ARP protection. For ARP protection to function properly, which other feature should also be implemented?

A.

MAC lockout

B.

proxy ARP

C.

DHCP snooping

D.

connection-rate filtering

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Question # 18

Refer to the exhibit.

HPE6-A45 question answer

The network administrator enables DHCP snooping globally and on VLAN 2. An additional step is mandatory for DHCP snooping to operate correctly and for clients to receive DHCP settings.

What is the additional mandatory step?

A.

Define trk1 as a trusted DHCP port.

B.

Define an authorized DHCP server.

C.

Enable ARP protection.

D.

Define edge ports as untrusted DHCP ports.

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Question # 19

Refer to the exhibit.

Exhibit 1

HPE6-A45 question answer

Exhibit 2

HPE6-A45 question answer

Traffic between the servers in Area 1 takes a less optimal path rather than the link associated with VLAN 1000, subnet 10.0.0.0/30. Based on the exhibits, why is this the case?

A.

The metric on the VLAN 1000 interface is too low.

B.

Switch-1 and Switch-2 cannot achieve adjacency on VLAN 1000 due to mismatches.

C.

OSPF routing switches choose the best intra-area routes based on Area 1 links only.

D.

The link between Switch-1 and Switch-2 has gone down.

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Question # 20

An AOS-Switch has type of service disabled on it globally. The administrator enters:

AOS-Switch(config)# interface 1 qos trust device aruba-ap

What is the effect of this command?

A.

if the AOS-Switch is integrated with an Aruba Mobility Controller, it uses QoS settings sent by the controller to prioritize traffic sent on interface 1

B.

if interface 1 connects to an Aruba AP, it uses the incoming DSCP and a global DSCP map to prioritize traffic received on this interface

C.

if the AOS-Switch is integrated with an Aruba Mobility Controller, it uses QoS settings sent by the controller to classify traffic received on interface 1

D.

if interface 1 connects to an Aruba AP, the switch marks all traffic received on the interface with a higher than default priority value

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Question # 21

Refer to the exhibits.

Exhibit 1

HPE6-A45 question answer

Exhibit 2

HPE6-A45 question answer

A network administrator needs to understand why endpoints that use Switch-3 as their default router can no longer reach some resources. The exhibit shows the OSPF link state database (LSDB) on Switch-1 when the OSPF solution was first deployed and the current LSDB.

What is a likely place to find the issue?

A.

in the connectivity status between Switch-3 and Switch-1

B.

in the connectivity status between Switch-1 and Switch-2

C.

in the Switch-1 OSPF Area 1 configuration settings

D.

in the Switch-3 OSPF Area 1 configuration settings

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Question # 22

What is one difference between BPDU protection and root guard?

A.

BPDU protection works with RPVST+, RSTP, and MSTP. Root guard works with RSTP or MSTP, but not RPVST+.

B.

BPDU protection blocks a port if it receives any BPDU, but root guard blocks a port only if the BPDU indicates a better root path.

C.

BPDU protection is typically implemented on edge ports, but root guard is typically implemented on uplinks with the root port role.

D.

BPDU protection drops BPDUs received on a port, but does not block the port. Root guard blocks the port if it receives a BPDU.

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Question # 23

Refer to the exhibit.

HPE6-A45 question answer

An AOS-Switch connects to an unmanaged switch in a meeting room. The exhibit shows security settings for this port. Users report that they sometimes lose connectivity and then get it back.

Which best practice should network administrators follow to avoid this issue?

A.

The loop protection and port security actions should be set to match.

B.

Eavesdrop prevention should be disabled when port security is in limited-continuous mode.

C.

Port security and loop protection should not be enabled on the same port.

D.

Loop protection should operate in VLAN mode, rather than port mode, when port security is enabled.

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Question # 24

Two 5400R AOS-Switches are OSPF neighbors. The network administrator wants routing paths to update as quickly as possible in the event of a failure on a neighboring switch.

Which technology should the administrator implement on the connected switch interfaces?

A.

MAC Lockdown

B.

Unidirectional Link Detection (UDLD)

C.

Bidirectional Forwarding Detection (BFD)

D.

Spanning Tree Root Guard

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Question # 25

OSPF Area 1 has two ABRs. One ABR is configured with this range for Area 1: 10.10.0.0/16. The other ABR is configured with this range for Area 1: 10.10.0.0/17.

Which type of issue occurs due to this mismatch?

A.

The ABRs lose adjacency entirely and cannot route traffic between each other at all.

B.

The ABRs create a discontiguous area and disrupt intra-area routing between devices within Area 1.

C.

The ABRs advertise routes inconsistently, and they could potentially introduce a routing loop.

D.

The ABRs lose adjacency in Area 1 and must route all traffic to each other through Area 0.

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