What King of data is provided to Prometheus by a monitored service?
A. The monitored service provides metric values for keys defined in Prometheus' monitoring schema.
B. The monitored service provides one metric value which replaces the former calue of the service's register in Prometheus.
C. The monitored service provides a status in terms of one of three well defined service states.
D. The monitored servide provides an interface which Prometheus queries for the value of a specific metric key.
E. The monitored service provides arbitrary pairs of keys and metric values which are scraped by Prometheus.
What is the default URL Prometheus tries to retrieve from a target when gathering monitoring information? (Specify the Full URL, without any host name or scheme)
A. The default URL that Prometheus tries to retrieve when gathering monitoring information depends on the specific target and the configuration of Prometheus at that time. Prometheus's default behavior is to try to retrieve a scrape target's metrics data from a pre-defined location. For example, if you are monitoring a target that exposes its metrics data on port 8080 of the local network interface, the default URL retrieved by Prometheus would be http://localhost:8080/metrics. However, if the target's metrics data is not on the local interface but rather on another IP address or domain, the URL would change accordingly. Prometheus's default behavior can be modified through configuration files or command-line flags. Therefore, the specific default URL depends on the specific configuration of Prometheus.
Which of the following best practices help to handle large amounts of log data when using the Elastic Stack for log management? ( Choose THREE correct answers)
A. Exclude obviously meaningless log data from log processing as early as possible.
B. Disable logging generally and only enable it in case of failures or errors.
C. Disable logging for all services and components which are externally monitored.
D. Frequently rotate log son their origin systems and delete logs that were shipped to Logstash.
E. Leverage Elasticsearch indexes for the deletion of expired log data.
Which of the following scenarios describes SSL offloading?
A. Requests which arrive in plain text via HHTP are redirected to HTTPS URLs to enforce encryption.
B. To use HTTPS for multiple hosts in the same domain, a wildcard certificate is use don all nodes hosting the services.
C. Requests which arrive encrypted via HTTPS are answered with redirects to HTTP URLs to improve performance.
D. Incoming HTTPS connections are received by a load balancer which handles the encryption and passes decrypted requests on backend servers.
E. The main content of a website is delivered using HTTPS, assets such as images or scripts are delivered using HTTP.
When can an SQL injection attack happen?
A. When strings of arbitrary length are passed to a database so they can exceed the kength of data type or data field.
B. When characters or string received from an external source are passed unchanged to a database so they can include SQL.
C. When SQL statemens are stored as database content and might be returned unchanged to a client querying the database.
D. When database queries of an application are redirected to another server which then receives confidential information and might return manipulated data.
E. When an API which causes writes to the database can be triggered remotely without rate limits or other restrictions.
Which git command restores changes that were saved using git stash save?
A. git stash merge
B. git stash revert
C. git stash pop
D. git stash restore
E. git stash commit
What the benefit of feature toggles? (Choose TWO correct answares)
A. Feature toggles decouple technical deployments from the oficial launch of a product.
B. Feature toggles reduce the build time by excluiding unnecessary features from a build.
C. Feature toggles eliminate the need for feature branches in an SCM during development.
D. Feature toggles start microservices on demand when their functionality is requested.
E. Feature toggles can enable new features for advanced users before globally releasing them.
The following output is generated by git branch:
development mater production staging
How can all changes from the development branch be integrated into the staging branch?
A. git stash development
B. git merge development
C. git branch --merge development
D. git merge delopment..staging
E. git cp --merge development
Where should containerized applications store persistent data such as user uploaded files or billing information? (Choose TWO correct answers)
A. In files inside the container that are exclusively locked by the application.
B. In memory with an API to download a serialized dump of the data.
C. In external systems such as databases or object stores.
D. In dedicated, well known directory tres within the container.
E. In database server which is installed within the container.
Where should a Jenkinsfile describing a build pipeline be located?
A. In the Jenkins folder next to the workspace directory.
B. At the top level of the SCM repository being build.
C. As build artifact in the default artifact store associated with the respective Jenkins proyect.
D. In an SCM dedicated repository dedicated to hold Jenkins configuration files.
E. On a web server with an HTTP URL Jenkins can Access.
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