You are designing a mobile chat application. You want to ensure that people cannot spoof chat messages by proving that a message was sent by a specific user. What should you do?

• A.Encrypt the message client-side using block-based encryption with a shared key.
• B.Tag messages client-side with the originating user identifier and the destination user.
• C.Use a trusted certificate authority to enable SSL connectivity between the client application and the server.
• D.Use public key infrastructure (PKI) to encrypt the message client-side using the originating user's private key.

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Your company is moving 75 TB of data into Google Cloud. You want to use Cloud Storage and follow Google-recommended practices. What should you do?

• A.Move your data onto a Transfer Appliance. Use a Transfer Appliance Rehydrator to decrypt the data into Cloud Storage.
• B.Install gsutil on each server that contains data. Use resumable transfers to upload the data into Cloud Storage.
• C.Install gsutil on each server containing data. Use streaming transfers to upload the data into Cloud Storage.
• D.Move your data onto a Transfer Appliance. Use Cloud Dataprep to decrypt the data into Cloud Storage.

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Your agricultural division is experimenting with fully autonomous vehicles.
You want your architecture to promote strong security during vehicle operation.
Which two architecture should you consider?
Choose 2 answers:

• A.Treat every micro service call between modules on the vehicle as untrusted.
• B.Require IPv6 for connectivity to ensure a secure address space.
• C.Use a trusted platform module (TPM) and verify firmware and binaries on boot.
• D.Use a functional programming language to isolate code execution cycles.
• E.Use multiple connectivity subsystems for redundancy.
• F.Enclose the vehicle's drive electronics in a Faraday cage to isolate chips.

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Your company runs several databases on a single MySQL instance. They need to take backups of a specific database at regular intervals. The backup activity needs to complete as quickly as possible and cannot be allowed to impact disk performance. How should you configure the storage?

• A.Configure a cron job to use the gcloud tool to take regular backups using persistent disk snapshots.
• B.Mount a Local SSD volume as the backup location. After the backup is complete, use gsutil to move the backup to Google Cloud Storage.
• C.Use gcsfuse to mount a Google Cloud Storage bucket as a volume directly on the instance and write backups to the mounted location using mysqldump
• D.Mount additional persistent disk volumes onto each virtual machine (VM) instance in a RAID10 array and use LVM to create snapshots to send to Cloud Storage.

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You need to develop procedures to verify resilience of disaster recovery for remote recovery using GCP. Your production environment is hosted on-premises. You need to establish a secure, redundant connection between your on premises network and the GCP network.
What should you do?

• A.Verify that Dedicated Interconnect can replicate files to GCP. Verify that Cloud VPN can establish a secure connection between your networks if Dedicated Interconnect fails.
• B.Verify that Dedicated Interconnect can replicate files to GCP. Verify that direct peering can establish a secure connection between your networks if Dedicated Interconnect fails.
• C.Verify that the Transfer Appliance can replicate files to GCP. Verify that Cloud VPN can establish a secure connection between your networks if the Transfer Appliance fails.
• D.Verify that the Transfer Appliance can replicate files to GCP. Verify that direct peering can establish a secure connection between your networks if the Transfer Appliance fails.

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