DEA-1TT5 Storage Networking (SAN and NAS) 3

Question 1

What is 'WWPN' in Fibre Channel networking?

Accepted Answer

World Wide Port Name — a globally unique 64-bit identifier assigned to each FC port

Answer

Wide Write Port Number — the I/O queue depth of an HBA

Answer

Wireless Write Protocol Node — a management interface standard

Answer

Wide Write Performance Node — a measure of FC throughput

Question 2

What is 'ISL' (Inter-Switch Link) in a Fibre Channel SAN fabric?

Accepted Answer

A direct physical connection between two FC switches used to extend the fabric

Answer

A software link between two storage arrays

Answer

An iSCSI session between initiator and target

Answer

An internal link inside a single FC switch chassis

Question 3

What storage protocol is used by the NVMe-oF (NVMe over Fabrics) specification?

Accepted Answer

NVMe commands transported over Fibre Channel, RDMA, or TCP fabrics

Answer

SCSI over TCP

Answer

SATA over Ethernet

Answer

iSCSI over InfiniBand

Question 4

In a converged infrastructure, what is the role of a CNA (Converged Network Adapter)?

Accepted Answer

A single adapter that combines Ethernet NIC and Fibre Channel HBA functionality on one card

Answer

A centralized network appliance that manages all storage connections

Answer

A controller that converts NAS protocols to block storage

Answer

A network adapter used exclusively in hypervisor environments

Question 5

What is 'NDMP' (Network Data Management Protocol) used for?

Accepted Answer

Performing backups of NAS data directly between the NAS device and a tape/backup device without routing data through a backup server

Answer

Managing NAS cluster node membership and voting

Answer

Synchronizing NAS namespaces across geographic sites

Answer

Negotiating QoS policies between storage arrays and switches

Question 6

What is a 'unified storage' system?

Accepted Answer

A single storage platform that provides both block (SAN) and file (NAS) storage services from one system

Answer

A storage array that supports only one vendor's hardware

Answer

A storage system with all drives in a single enclosure

Answer

A storage array that unifies all RAID levels into one pool