Free 500-174 sample questions

Correct answer: By running the `network interface show` command in the ONTAP CLI.

The `network interface show -vserver -lif -fields wwpn` command in the ONTAP CLI will display the WWPN of the Fibre Channel Logical Interface (LIF). This is the correct target WWPN that needs to be used in the UCS boot policy and for zoning on the FC switches.

Correct answer: True

This statement is true. A key part of the ISSU process in a vPC environment is to ensure service continuity. Before upgrading the vPC primary switch, the system gracefully transfers the primary role to the vPC secondary peer. This ensures that the secondary switch continues to forward traffic and handle control plane functions while the original primary is upgraded. After the first switch reloads and comes back online, the roles may or may not be switched back depending on the configuration.

Correct answer: Jumbo Frames (MTU 9000+)

Enabling Jumbo Frames (setting the Maximum Transmission Unit, or MTU, to 9000 or higher, typically 9216 on Nexus) is a critical best practice for iSCSI. It allows larger payloads per packet, which reduces the number of packets and CPU cycles required on both the initiator (server) and target (storage) to transfer the same amount of data. This significantly improves throughput and efficiency for block storage traffic.

Correct answer: RAID-TEC

RAID-TEC (Triple Erasure Coding) is NetApp's implementation of triple-parity RAID. It can withstand up to three simultaneous disk failures within a RAID group, providing the highest level of data protection available in ONTAP. It is recommended for large capacity drives where rebuild times are longer.

Correct answer: QoS System Classes

QoS System Classes in UCS Manager are used to define policies for different types of traffic (e.g., Fibre Channel, iSCSI, and user-defined classes). By creating a QoS policy and assigning it to a vNIC used for rendering traffic, an administrator can set a specific weight or priority, guaranteeing it a percentage of the available bandwidth, while other classes like management can be left at the default best-effort level.

Correct answer: The ESXi hosts' IQNs are no longer present in the correct initiator group (igroup) on the NetApp SVM.

This is the most common cause for this symptom. iSCSI connectivity relies on the storage array recognizing the host's initiator IQN and having it mapped to the LUNs. If the IQNs were accidentally removed from the igroup that is mapped to the LUNs, the NetApp array would no longer present the LUNs to those hosts, even if network connectivity is perfect. This can happen during maintenance if configurations are reverted or incorrectly modified.

Correct answer: Via direct twinax or fiber connections from a Cisco Virtual Interface Card (VIC) in the server to the Fabric Interconnects.

To integrate a C-Series rack server into a UCS domain managed by UCS Manager, it must be equipped with a Cisco Virtual Interface Card (VIC). The VIC's ports are then directly cabled to the Fabric Interconnects. This connection carries both data and management traffic, allowing UCS Manager to discover, inventory, and fully manage the server using Service Profiles.

Correct answer: A NetApp AFF system for the database and a NetApp FAS system for file storage.

This is the ideal combination. A NetApp All-Flash FAS (AFF) system provides the extremely low latency and high IOPS required for demanding database workloads. A hybrid NetApp FAS system (with a mix of SSD and HDD) offers a cost-effective and scalable solution for file storage like home directories, where performance is less critical than capacity and cost per GB. Both run ONTAP, simplifying management.

Correct answer: To provide a heartbeat mechanism that detects the liveness of the peer switch, helping to prevent split-brain scenarios.

The vPC Peer-Keepalive link's sole purpose is to act as a heartbeat between the two vPC peer switches. It allows each switch to verify that its peer is alive. If the Peer-Link goes down but the keepalive is still up, the vPC secondary switch will shut down its vPC member ports to prevent a split-brain scenario where both switches become active.

Correct answer: Navigate to the Admin tab, select the Management IP Pool under Communication Management, and add a new block of IPs.

The correct location for managing the pool of IP addresses used for out-of-band KVM access to the blades' CIMCs is under the Admin tab. The specific policy is called 'Management IP Pool'. Here, an administrator can create blocks of IPv4 addresses that will be assigned to servers as they are discovered and associated.