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  1. Home
  2. Oracle Certification
  3. 1Z0-1084-21 Exam
  4. Oracle.1Z0-1084-21.v2023-01-27.q26 Dumps
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Question 11

Given a service deployed on Oracle Cloud infrastructure Container Engine for Kubernetes (OKE), which annotation should you add in the sample manifest file to specify a 400 Mbps load balancer?

Correct Answer: C
Explanation
The shape of an Oracle Cloud Infrastructure load balancer specifies its maximum total bandwidth (that is, ingress plus egress). By default, load balancers are created with a shape of 100Mbps. Other shapes are available, including400Mbps and 8000Mbps.
To specify an alternative shape for a load balancer, add the following annotation in the metadata section of the manifest file:
service.beta.kubernetes.io/oci-load-balancer-shape: <value>
where value is the bandwidth of the shape (for example, 100Mbps, 400Mbps, 8000Mbps).
For example:
apiVersion: v1
kind: Service
metadata:
name: my-nginx-svc
labels:
app: nginx
annotations:
service.beta.kubernetes.io/oci-load-balancer-shape: 400Mbps
spec:
type: LoadBalancer
ports:
-port: 80
selector:
app: nginx
https://github.com/oracle/oci-cloud-controller-manager/blob/master/docs/load-balancer-annotations.md
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Question 12

Which header is NOT required when signing GET requests to Oracle Cloud Infrastructure APIs?

Correct Answer: C
Explanation
Authorization Header
The Oracle Cloud Infrastructure signature uses the "Signature"Authentication scheme (with an Authorization header), and not the Signature HTTP header.
This section describes the headers that must be included in the signing string:
For GET and DELETE requests (when there's no content in the request body), the signingstring must include at least these headers:
(request-target)
host
date or x-date (if both are included, Oracle uses x-date)
For PUT and POST requests (when there's content in the request body), the signing string must include at least these headers:
(request-target)
host
date or x-date (if both are included, Oracle uses x-date)
x-content-sha256 (except for Object Storage PUT requests; see the next section) content-type content-length References:
https://docs.cloud.oracle.com/en-us/iaas/Content/API/Concepts/signingrequests.htm
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Question 13

A pod security policy (PSP) is implemented in your Oracle Cloud Infrastructure Container Engine for Kubernetes cluster Which rule can you use to prevent a container from running as root using PSP?

Correct Answer: C
Explanation
What is a Pod Security Policy?
A Pod Security Policy is a cluster-level resource that controlssecurity sensitive aspects of the pod specification. The PodSecurityPolicy objects define a set of conditions that a pod must run with inorder to be accepted into the system, as well as defaults for the related fields. They allow an administrator to control the following:
Privilege Escalation
These options control the allowPrivilegeEscalation container option. This bool directly controls whether the no_new_privs flag gets set on the container process. This flag will prevent setuid binaries from changing the effective user ID, and prevent files from enabling extra capabilities (e.g. it will prevent the use of the ping tool). This behavior is required to effectively enforce MustRunAsNonRoot.
example:
# Require the container to run without root privileges.
rule: 'MustRunAsNonRoot'
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Question 14

Given a service deployed on Oracle Cloud Infrastructure Container Engine far Kubernetes (OKE), which annotation should you add in the sample manifest file below to specify a 400 Mbps load balancer?

Correct Answer: C
Explanation
Overview of Load Balancing:
SHAPE
A template that determines the load balancer's total pre-provisioned maximum capacity (bandwidth) for ingress plus egress traffic. Available shapesinclude 10Mbps, 100 Mbps, 400 Mbps, and 8000 Mbps.
oci-load-balancer-shape: A template that determines the load balancer's total pre-provisioned maximum capacity (bandwidth) for ingress plus egress traffic. Available shapes include 100Mbps, 400Mbps, and8000Mbps. Cannot be modified after load balancer creation.
All annotations are prefixed with service.beta.kubernetes.io/. For example:
kind: Service
apiVersion: v1
metadata:
name: nginx-service
annotations:
service.beta.kubernetes.io/oci-load-balancer-shape: "400Mbps"
service.beta.kubernetes.io/oci-load-balancer-subnet1: "ocid..."
service.beta.kubernetes.io/oci-load-balancer-subnet2: "ocid..."
spec:
References:
https://docs.cloud.oracle.com/en-us/iaas/Content/Balance/Concepts/balanceoverview.htm
https://github.com/oracle/oci-cloud-controller-manager/blob/master/docs/load-balancer-annotations.md
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Question 15

You are deploying an API via Oracle Cloud Infrastructure (OCI) API Gateway and you want to implement request policies to control access Which is NOT available in OCI API Gateway?

Correct Answer: D
Explanation
Adding Request Policies and Response Policies to API Deployment Specifications:
You can control thebehavior of an API deployment you create on an API gateway by adding request and response policies to the API deployment specification:
a request policy describes actions to be performed on an incoming request from a caller before it is sent to a back end a response policy describes actions to be performed on a response returned from a back end before it is sent to a caller You can use request policies to:
limit the number of requests sent to back-end services
enable CORS (Cross-Origin Resource Sharing) support
provide authentication and authorization
You can add request and response policies that apply globally to all routes in an API deployment specification, and also (in some cases) request and response policies that apply only to particular routes.
Notethe following:
No response policies are currently available.
API Gateway request policies and response policies are different to IAM policies, which control access to Oracle Cloud Infrastructure resources.
You can add request and response policies to anAPI deployment specification by:
using the Console
editing a JSON file
References:
https://docs.cloud.oracle.com/en-us/iaas/Content/APIGateway/Tasks/apigatewayaddingrequestpolicies.htm
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