Free Oracle Cloud Infrastructure Cloud Ops Professional Practice Questions

Sample Practice Questions

Try these 10 sample questions from the Oracle Cloud Infrastructure Cloud Ops Professional practice bank. Each includes the answer and explanation. Continue with the interactive practice above to review the full question set.

1. 1An operator is creating an OCI compute instance and must assign it a public IPv4 address at launch. Which subnet type must the operator select?

   1. A.A private subnet in the chosen VCN
   2. B.A public subnet in the chosen VCNCorrect answer: B
   3. C.Any subnet with a private DNS label
   4. D.Any subnet with a reserved private IP

   Explanation: Oracle states: "In the case of IPv4, resources in private subnets can't have public IP addresses." A public subnet in the chosen VCN is therefore the applicable choice.

   Reference: Creating an Instance — 3. Networking > Primary VNIC

2. 2An Ansible controller uses the OCI inventory plugin with its default hostname settings. Which compute instances does the plugin discover by default?

   1. A.Only instances with a public IP addressCorrect answer: A
   2. B.Only instances with a private IP and no public IP
   3. C.All instances with either public or private IPs
   4. D.Only public IP instances with a private DNS label

   Explanation: Oracle states: "By default, the OCI inventory plugin discovers and lists only compute instances that have a public IP address." By default, the inventory includes only those with public IPs.

   Reference: OCI Ansible Collection - Inventory Plugin — Configuring the Inventory Plugin

3. 3Which Cloud Advisor recommendation category identifies underutilized resources for rightsizing to reduce spending?

   1. A.Cost managementCorrect answer: A
   2. B.Performance
   3. C.High availability
   4. D.Security

   Explanation: Oracle states: "Cost management recommendations identify underutilized resources and help you reduce costs by right-sizing them to the optimum size." This supports Cost management

   Reference: About Cloud Advisor — Recommendation Categories

4. 4An instance pool must increase at 08:00 UTC each weekday regardless of its measured load. Which autoscaling policy type meets that requirement?

   1. A.Schedule-based autoscalingCorrect answer: A
   2. B.Metric-based autoscaling
   3. C.A scale-in threshold policy
   4. D.A metric-based cooldown setting

   Explanation: Oracle states: "Schedule-based autoscaling is ideal for instance pools where demand behaves predictably based on a schedule, such a month, date, or time of day." This supports Schedule-based autoscaling

   Reference: Autoscaling — Schedule-Based Autoscaling

5. 5Which Cloud Guard component defines the scope of compartments to check?

   1. A.TargetCorrect answer: A
   2. B.Detector
   3. C.Responder
   4. D.Problem

   Explanation: Oracle states: "Defines scope of what Cloud Guard checks." This supports Target

   Reference: Getting Started with Cloud Guard — Familiarize Yourself with Cloud Guard Terminology > Target

6. 6A team needs notification when a metric emits no data for a specified interval. Which Monitoring alarm type addresses this requirement?

   1. A.An absence alarmCorrect answer: A
   2. B.A threshold alarm for values above a limit
   3. C.A threshold alarm for values below a limit
   4. D.A threshold alarm for the average value

   Explanation: Oracle states: "Create an absence alarm in Monitoring to send notifications when a metric doesn't emit data for a specified interval." This supports An absence alarm

   Reference: Creating an Absence Alarm — Creating an Absence Alarm

7. 7When specifying a new subnet CIDR during compute instance creation, which addressing constraint must the operator satisfy?

   1. A.It must be within the VCN CIDR and not overlap other subnets.Correct answer: A
   2. B.It must include every CIDR block assigned to the VCN.
   3. C.It must overlap an existing subnet in the same VCN.
   4. D.It must be outside the CIDR blocks assigned to the VCN.

   Explanation: Oracle states: "Make sure it's within the cloud network's CIDR block and doesn't overlap with any other subnets." It must be within the VCN CIDR and not overlap other subnets. is therefore the applicable choice.

   Reference: Creating an Instance — 3. Networking > Primary VNIC > Create new virtual cloud network

8. 8An Ansible controller can reach OCI instances through private networking, but instances without public IPs are absent from inventory. Which plugin option can select private IPs for inventory hostnames?

   1. A.`hostname_format_preferences`Correct answer: A
   2. B.`enable_plugins`
   3. C.`cache_timeout`
   4. D.`keyed_groups`

   Explanation: Oracle states: "You can configure the inventory_hostname to private_ip or any custom hostname by passing Jinja2 expressions as a list to the hostname_format_preferences option." This supports `hostname_format_preferences`

   Reference: OCI Ansible Collection - Inventory Plugin — Using the Inventory Plugin > Hostname Format Preferences

9. 9A fault-tolerant test workload can be interrupted and resumed later. Which OCI capacity type can lower its compute cost while allowing Oracle to reclaim capacity?

   1. A.Preemptible capacityCorrect answer: A
   2. B.Dedicated host capacity
   3. C.Reserved capacity
   4. D.On-demand capacity

   Explanation: Oracle states: "If your workloads are fault-tolerant and can withstand interruptions, then preemptible instances can reduce your costs." This supports Preemptible capacity

   Reference: Preemptible Instances — Preemptible Instances

10. 10For metric-based instance-pool autoscaling, what must happen to trigger an event after metrics are aggregated and averaged?

    1. A.Three consecutive one-minute values meet the threshold.Correct answer: A
    2. B.One instantaneous value meets the threshold.
    3. C.Three daily averages meet the threshold.
    4. D.One hourly average meets the threshold.

    Explanation: Oracle states: "When three consecutive values (that is, the average metrics for three consecutive minutes) meet the threshold, an autoscaling event is triggered." This supports Three consecutive one-minute values meet the threshold.

    Reference: Autoscaling — Metric-Based Autoscaling