Practise exhibit-style questions that ask you to read a topology, table, command output or diagram before choosing the best answer.
Start Scenario PracticeRefer to the exhibit. An engineer configured NX-API on a Nexus 9000 switch. The REST API client receives 'SSL_ERROR_BAD_CERT_DOMAIN'. What is the most likely cause?
Explanation: The SSL_ERROR_BAD_CERT_DOMAIN error indicates that the certificate presented by the Nexus 9000 switch does not match the hostname used in the REST API client's request. When NX-API uses HTTPS, the client validates the server's certificate against the requested domain; a mismatch triggers this error. This is a common TLS/SSL certificate validation issue, not a problem with HTTP conflicts, missing keys, or corrupted files.
Refer to the exhibit. An automation script queries the Cisco Nexus 9000 using the NX-API JSON format and receives the above output. The script is designed to validate that interface Eth1/1 is in access mode with VLAN 100. However, the script reports a failure. What is the most likely reason?
Explanation: The NX-API returns all values as strings in JSON output, including numeric fields like VLAN IDs. If the script uses strict type checking (e.g., `===` in Python or JavaScript), comparing the string '100' to the integer 100 will fail, even though the interface is correctly configured in access mode with VLAN 100. This is a common pitfall when parsing NX-API responses without explicit type conversion.
A data center designer is evaluating oversubscription ratios in a spine-leaf topology with 40 leaf switches and 4 spine switches. Each leaf has 4x100G uplinks to spines, and each spine has 40x100G downlinks. The leaf switches have 48x25G server ports. What is the oversubscription ratio from the server ports to the spine uplinks?
Explanation: The oversubscription ratio is calculated by comparing total server bandwidth to total uplink bandwidth. Each leaf has 48x25G server ports = 1200G, and 4x100G uplinks = 400G, giving a leaf-level ratio of 3:1 (1200:400). Since all leaves are identical and the spine count doesn't affect the leaf-level ratio, the overall ratio remains 3:1.
Refer to the exhibit. What is the current state of the VPC domain?
Explanation: The exhibit shows the output of 'show vpc' with the vPC domain ID set to 100, the peer-keepalive link status as 'Active', and the peer-link status as 'up'. The vPC role is 'primary' and the operational status is listed as 'operational', which indicates that the vPC domain is fully functional and all consistency checks have passed. Therefore, the current state is operational.
Refer to the exhibit. After applying this configuration, the engineer activates the zoneset with 'zoneset activate name ZONESET1 vsan 10'. The host with pwwn 10:00:00:00:c9:aa:bb:01 can communicate with the target with pwwn 10:00:00:00:c9:aa:bb:02. However, the host reports that it cannot see a third target with pwwn 10:00:00:00:c9:aa:bb:03. What is the most likely reason?
Explanation: The host can communicate with the target in ZONE1 (pwwn 10:00:00:00:c9:aa:bb:02) but not with the third target (pwwn 10:00:00:00:c9:aa:bb:03). This indicates that the zoneset activation was successful and the host is in the correct VSAN. The most likely reason is that the third target is not a member of ZONE1; in Fibre Channel zoning, only members of the same zone can communicate, and a device not in the zone will be invisible to other zone members.
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Practice all Refer to the Exhibit Practice QuestionsPractise exhibit-style questions that ask you to read a topology, table, command output or diagram before choosing the best answer. These appear throughout the 350-601 and require you to apply your knowledge, not just recall facts.
Cisco doesn't publish an exact breakdown, but scenario-based questions (especially exhibit and command-output formats) make up a significant portion of the 350-601. Practicing each scenario type ensures you're ready for any format.
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