Refer to the exhibit. Which item does 3 represent?

This question tests hardware component identification on a Cisco switching platform, requiring the student to match diagram label 3 to the correct port or feature description.

Cisco Data Center Equipment and Related Hardware

Question

Exhibit

Options

AOperate as 40-Gbps QSFP+ ports, and support QSA adapters to provide 1-Gbps to 10-Gbps
BOperate as port lane switch button, port lane LEDs, and Layer 1 and Layer 2 ports.
COperate as dedicated 40-Gbps, QSFP+ uplink ports.

Why each option

This question tests hardware component identification on a Cisco switching platform, requiring the student to match diagram label 3 to the correct port or feature description.

AOperate as 40-Gbps QSFP+ ports, and support QSA adapters to provide 1-Gbps to 10-Gbps

QSFP+ ports that support QSA adapters provide downward speed compatibility to 1-Gbps or 10-Gbps connections, which is a distinct feature set from what item 3 labels in the exhibit.

BOperate as port lane switch button, port lane LEDs, and Layer 1 and Layer 2 ports.

Port lane switch buttons and port lane LEDs are physical control and indicator elements used for lane configuration, not the data-path component indicated by label 3.

COperate as dedicated 40-Gbps, QSFP+ uplink ports.

Dedicated 40-Gbps QSFP+ uplink ports serve as fixed high-speed uplinks with no QSA adapter support, representing a different component group than label 3 in the exhibit.

Concept tested: Cisco switch hardware diagram component identification

Source: https://www.cisco.com/c/en/us/td/docs/switches/datacenter/nexus5000/hw/installation/guide/n5000_hig.html

Topics

#QSFP+ ports#40-Gbps uplink#port identification#port lane switch

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