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Google Professional Cloud Security Engineer Practice Test - Questions Answers, Page 12
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Question 111
Your company requires the security and network engineering teams to identify all network anomalies within and across VPCs, internal traffic from VMs to VMs, traffic between end locations on the internet and VMs, and traffic between VMs to Google Cloud services in production. Which method should you use?
Explanation:
https://cloud.google.com/vpc/docs/packet-mirroring#enterprise_security
Security and network engineering teams must ensure that they are catching all anomalies and threats that might indicate security breaches and intrusions. They mirror all traffic so that they can complete a comprehensive inspection of suspicious flows.
Question 112
Your company has been creating users manually in Cloud Identity to provide access to Google Cloud resources. Due to continued growth of the environment, you want to authorize the Google Cloud Directory Sync (GCDS) instance and integrate it with your on-premises LDAP server to onboard hundreds of users. You are required to:
Replicate user and group lifecycle changes from the on-premises LDAP server in Cloud Identity.
Disable any manually created users in Cloud Identity.
You have already configured the LDAP search attributes to include the users and security groups in scope for Google Cloud. What should you do next to complete this solution?
Explanation:
To achieve the requirement 'Disable any manually created users in Cloud Identity', configure GCDS to suspend rather than delete accounts if user accounts are not found in the LDAP directory in GCDS. Ref: https://support.google.com/a/answer/7177267
Question 113
You are troubleshooting access denied errors between Compute Engine instances connected to a Shared VPC and BigQuery datasets. The datasets reside in a project protected by a VPC Service Controls perimeter. What should you do?
Explanation:
https://cloud.google.com/vpc-service-controls/docs/service-perimeters#secure-google-managed-resources
If you're using Shared VPC, you must include the host project in a service perimeter along with any projects that belong to the Shared VPC.
Question 114
You recently joined the networking team supporting your company's Google Cloud implementation. You are tasked with familiarizing yourself with the firewall rules configuration and providing recommendations based on your networking and Google Cloud experience. What product should you recommend to detect firewall rules that are overlapped by attributes from other firewall rules with higher or equal priority?
Explanation:
https://cloud.google.com/network-intelligence-center/docs/firewall-insights/concepts/overview#shadowed-firewall-rules
Firewall Insights analyzes your firewall rules to detect firewall rules that are shadowed by other rules. A shadowed rule is a firewall rule that has all of its relevant attributes, such as its IP address and port ranges, overlapped by attributes from one or more rules with higher or equal priority, called shadowing rules.
Question 115
The security operations team needs access to the security-related logs for all projects in their organization. They have the following requirements:
Follow the least privilege model by having only view access to logs.
Have access to Admin Activity logs.
Have access to Data Access logs.
Have access to Access Transparency logs.
Which Identity and Access Management (IAM) role should the security operations team be granted?
Explanation:
https://cloud.google.com/logging/docs/access-control#considerations roles/logging.privateLogViewer (Private Logs Viewer) includes all the permissions contained by roles/logging.viewer, plus the ability to read Data Access audit logs in the _Default bucket.
Question 116
You are exporting application logs to Cloud Storage. You encounter an error message that the log sinks don't support uniform bucket-level access policies. How should you resolve this error?
Explanation:
https://cloud.google.com/logging/docs/export/troubleshoot#errors_exporting_to_cloud_storage
https://cloud.google.com/logging/docs/export/troubleshoot
Unable to grant correct permissions to the destination: Even if the sink was successfully created with the correct service account permissions, this error message displays if the access control model for the Cloud Storage bucket was set to uniform access when the bucket was created. For existing Cloud Storage buckets, you can change the access control model for the first 90 days after bucket creation by using the Permissions tab. For new buckets, select the Fine-grained access control model during bucket creation. For details, see Creating Cloud Storage buckets.
Question 117
You plan to deploy your cloud infrastructure using a CI/CD cluster hosted on Compute Engine. You want to minimize the risk of its credentials being stolen by a third party. What should you do?
Explanation:
Disable service account key creation You can use the iam.disableServiceAccountKeyCreation boolean constraint to disable the creation of new external service account keys. This allows you to control the use of unmanaged long-term credentials for service accounts. When this constraint is set, user-managed credentials cannot be created for service accounts in projects affected by the constraint. https://cloud.google.com/resource-manager/docs/organization-policy/restricting-service-accounts#example_policy_boolean_constraint
Question 118
You need to set up two network segments: one with an untrusted subnet and the other with a trusted subnet. You want to configure a virtual appliance such as a next-generation firewall (NGFW) to inspect all traffic between the two network segments. How should you design the network to inspect the traffic?
Explanation:
Multiple network interfaces. The simplest way to connect multiple VPC networks through a virtual appliance is by using multiple network interfaces, with each interface connecting to one of the VPC networks. Internet and on-premises connectivity is provided over one or two separate network interfaces. With many NGFW products, internet connectivity is connected through an interface marked as untrusted in the NGFW software.
https://cloud.google.com/architecture/best-practices-vpc-design#l7
This architecture has multiple VPC networks that are bridged by an L7 next-generation firewall (NGFW) appliance, which functions as a multi-NIC bridge between VPC networks. An untrusted, outside VPC network is introduced to terminate hybrid interconnects and internet-based connections that terminate on the outside leg of the L7 NGFW for inspection. There are many variations on this design, but the key principle is to filter traffic through the firewall before the traffic reaches trusted VPC networks.
Question 119
You are a member of your company's security team. You have been asked to reduce your Linux bastion host external attack surface by removing all public IP addresses. Site Reliability Engineers (SREs) require access to the bastion host from public locations so they can access the internal VPC while off-site. How should you enable this access?
Explanation:
https://cloud.google.com/architecture/building-internet-connectivity-for-private-vms#configuring_iap_tunnels_for_interacting_with_instances
Question 120
You need to enable VPC Service Controls and allow changes to perimeters in existing environments without preventing access to resources. Which VPC Service Controls mode should you use?
Explanation:
In dry run mode, requests that violate the perimeter policy are not denied, only logged. Dry run mode is used to test perimeter configuration and to monitor usage of services without preventing access to resources. https://cloud.google.com/vpc-service-controls/docs/dry-run-mode
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