Turing DevOps Interview Questions & Solution
Download These Books to Get Turing Interview Solution
Question:
A web application running in https://mydomain.com needs to access data from https://api.myotherdomain.com but is unable to. Error message "Origin is not allowed by Access-Control-Allow- Origin".
Options:
mydomain.com needs to explicitly grant permissions to access api.myotherdomain.com via HTTP authorization headers
None of the above
api.myotherdomain.com needs to explicitly grant permissions to mydomain.com to retrieve data via HTTP access control headers
mydomain.com needs to explicitly grant permissions to access api.myotherdomain.com via HTTP cors headers
api.myotherdomain.com needs to explicitly grant permissions to mydomain.com to retrieve data via HTTP authorization headers
The correct answer to this question is:
"api.myotherdomain.com needs to explicitly grant permissions to mydomain.com to retrieve data via HTTP access control headers".
Question:
Which of the following k8s resources are not associated with any namespace?
Options:
Services & Persistent Volumes
ReplicaSets & Services
DaemonSets & Nodes
All of the above
Persistent volumes & Nodes
The correct answer to this question is:
"Persistent volumes & Nodes".
Question:
What does kubectl rollout undo deployment/app --to-revision=2 do?
Options:
It reverts the image of the app container inside deployment to version 2.0.0
It reverts the image of the app container inside deployment to version 2
It reverts the deployment of Kubernetes version to revision 2
It reverts the deployment named app to the configuration in revision 2
None of the above
The correct answer to this question is:
"It reverts the deployment named app to the configuration in revision 2".
Question:
What is the difference between Role and ClusterRole in Kubernetes?
Options:
A role can only be used to grant access to resources within a single namespace.
A Role is tight to a Node, ClusterRole is working on all the Nodes.
A ClusterRole can be used to grant the same permissions as a Role, but because they are node-scoped.
None of the above.
The correct answer to this question is:
"A role can only be used to grant access to resources within a single namespace."
Question:
What is an NS record in DNS, for example in mydomain.com?
Options:
It specifies the IP address for mydomain.com
It specifies the CNAME and the TTL for the A record
It specifies the DNS server that is authoritative for mydomain.com
None of the above
The correct answer to this question is:
"It specifies the DNS server that is authoritative for mydomain.com".
Question:
What is execution permissions in a directory in Linux?
Options:
It is not used.
Allows user/group/others to access that directory but not list.
Allows user/group/others to delete files in that directory.
Allows user/group/others to execute files in that directory.
The correct answer to this question is:
"Allows user/group/others to access that directory but not list."
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