Free Pure Storage FlashArray-Implementation-Specialist Exam Questions

The Pure Engagement Request (PER) specifies that iSCSI ports ETH2 and ETH3 should be set to 10 Gb/s. After configuring the ports and connecting them to the SAN, the Implementation Engineer observes that ETH2 /3 are not negotiating and display 0 b/s. The SAN is operating at 40 Gb/s, with support for up to 100 Gb/s. What should the Implementation Engineer do to resolve this issue and complete the install? 

When using FA File, where can the Implementation Engineer manage directories? 

When should the Implementation Engineer run start_ndu controller-ndu to set the HWNDU tunable? 

A customer has a FlashArray X20R3 with 22/22 data packs in the chassis at 80% space usage and wishes to swap one of the data packs for a 45TB pack. What step needs to be taken to facilitate this consolidation?

During a hardware NDU from FlashArray//XR2 or XR3 to an XR4 model, which default service on-board ports are NO longer present in the XR4 controller design?