350-601 Exam Dumps - Cisco CCNP Data Center Questions and Answers

The script defines pidfile as the location containing the process identifier for the running Chef Client and calls the reload() function when the user supplies the reload argument. A reload should signal the existing process rather than start another instance or terminate it permanently. The -p option identifies the PID file that killproc must use, while -HUP sends the hang-up signal commonly used to make a daemon reload its configuration. Consequently, killproc -p $pidfile $exec -HUP correctly targets the Chef Client process recorded in the defined PID file. The other commands use invalid or inappropriate option combinations, such as -n or -pi, and therefore do not correctly reference the PID file in the expected service-script syntax. Option D completes the reload function consistently with the variables already declared in the exhibit.

Uplink failover enables the Cisco VIC to move traffic from the primary vNIC path to its secondary path when communication through the primary uplink fails. Enabling this function satisfies the first requirement. The failback timeout determines how long the restored primary path must remain operational before traffic automatically returns to it. Setting this timer to a value below five minutes satisfies the recovery requirement while avoiding immediate failback to an unstable link. The default VLAN determines VLAN handling and does not provide path redundancy. Class of service controls traffic priority rather than failover behavior. VN-Tag mode affects adapter virtualization and frame tagging but does not configure primary-to-secondary vNIC recovery. Cisco’s C-Series documentation states that vNICs can fail over when communication problems occur and defines the failback timeout as the period before the primary interface resumes operation. Cisco UCS C-Series vNIC management

Cisco APIC accepts a properly structured JSON authentication payload containing an aaaUser managed object and an attributes object. The username and password must be represented as valid quoted JSON name-value pairs. Option C follows valid JSON syntax and supplies both required authentication attributes. Option A resembles a JavaScript object literal but is not valid JSON because its property names and string values are not enclosed in quotation marks. Options B and D attempt to use XML, but their element and attribute structures do not match the required APIC XML authentication format. The JSON payload is sent through an HTTP POST request to the APIC login URI. If authentication succeeds, APIC returns an aaaLogin response containing a token. That token is then presented with subsequent API requests to maintain the authenticated management session.