HPE0-Y53 Exam - Free Actual Q&As, Page 1

HPE0-Y53 Actual Exam Questions

Last updated on Dec. 5, 2024.

Vendor:HP

Exam Code:HPE0-Y53

Exam Name:Building HPE SDN and FlexNetwork Solutions

Exam Questions:105

Topic 1 - Single Topic

Question #1 Topic 1

A network administrator is planning a flow table entry that provides fast failover for the traffic flow in case a link fails. Which key element would the flow entry contain?

A. a group identifier that specifies at least two output ports
B. a backup set action that modifies the packet and sends it to the controller
C. a forward action to the reserved port NEAREST_ACTIVE
D. a go-to-table action that sends traffic to another table if the port is down

Reveal Solution Discussion

Correct Answer: A 🗳️
The FAST-FAILOVER group is designed specifically to detect and overcome port failures.
The FAST-FAILOVER (FF) group. A FF group is designed to detect and respond to port failures. Each bucket has a watch port/group as a special parameter, which monitors the liveness of that port or group being watched. Only one bucket is used at a time, and the bucket will only be changed if the watch port/group of the bucket transitions from up to down. Upon such an event, another bucket will be chosen whose watch port/group indicates the link is up.
References:
https://floodlight.atlassian.net/wiki/display/floodlightcontroller/How+to+Work+with+Fast-Failover+OpenFlow+Groups

Question #2 Topic 1

An HP switch is controlled by an HP VAN SDN Controller. An SDN application attempts to create a flow entry that forwards traffic out Port 2 on this HP switch.
However, the switch does not forward any traffic out this port. The exhibit shows the status for ports on that switch.

Based on the information shown in the exhibit, why does the switch not forward the traffic?

A. Port 2 is part of a link aggregation with Port 1.
B. Port 2 is down.
C. Port 2 is placed in the discarding state by spanning tree.
D. Port 2 does not support a VLAN on which OpenFlow is enabled.

Reveal Solution Discussion

Correct Answer: C 🗳️

Question #3 Topic 1

Refer to the exhibit.

The network administrator is configuring interface Ten-GigabitEthernet 1/0/2 to receive FCoE traffic from the connected server. The administrator has created
VSAN 10, which is associated with VLAN 101.
What else must the administrator do to complete the configuration?

A. Assign VLAN 101 as the PVID for interface Ten-GigabitEthernet 1/0/2.
B. Change interface Ten-GigabitEthernet 1/0/2 to a hybrid port;assign VLANs 10 and 101 as untagged VLANs.
C. Change interface Ten-GigabitEthernet 1/0/2 to a trunk port and permit VLAN 101.
D. Change interface Ten-GigabitEthernet 1/0/2 to a hybrid port;assign VLAN 10 as a tagged VLAN and VLAN 101 as an untagged VLAN.

Reveal Solution Discussion

Correct Answer: C 🗳️
References:
http://h10032.www1.hp.com/ctg/Manual/c03655100
(Page: 17-18)

Question #4 Topic 1

Refer to the exhibit.

The exhibit shows the four OpenFlow table entries for an HP ProVision switch that is controlled by an HP VAN SDN Controller. The switch uses active mode for the OpenFlow instance.
The network administrator wants the switch to have this behavior:
The current entries have an error. How should the administrator change these entries to resolve the error?

A. Remove the entry for table 0.
B. Give each entry its own unique priority value.
C. Change the table ID for the entry that matches "eth_type: arp" to 200.
D. Add a table miss entry that outputs traffic normally.

Reveal Solution Discussion

Correct Answer: D 🗳️

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