281-290 Flashcards
An enterprise is considering a cost model for a DBaaS. Which of the following is BEST for a cloud solution?
A. Per gigabyte
B. Per seat
C. Per user
D. Per device
A. Per gigabyte
A company is using a hybrid cloud environment. The private cloud is hosting the business applications, and the cloud services are being used to replicate for availability purposes. The cloud services are also being used to accommodate the additional resource requirements to provide continued services. Which of the following scalability models is the company utilizing?
A. Vertical scaling
B. Autoscaling
C. Cloud bursting
D. Horizontal scaling
B. Autoscaling
A developer wants to use an environment that has two sets of servers, with one active and one passive at any time. When a new version of the application is ready, it will be installed to the passive servers, which will then become active. Which of the following environment types BEST describes these two sets of servers?
A. Disaster recovery
B. Blue-green
C. Development
D. Staging
B. Blue-green
A security analyst is investigating a recurring alert. The alert is reporting an insecure firewall configuration state after every cloud application deployment. The process of identifying the issue, requesting a fix, and waiting for the developers to manually patch the environment is being repeated multiple times. In an effort to identify the root issue, the following logs were collected:
Which of the following options will provide a permanent fix for the issue?
A. Validate the IaC code used during the deployment.
B. Avoid the use of a vault to store database passwords.
C. Rotate the access keys that were created during deployment.
D. Recommend that the developers do not create multiple resources at once.
C. Rotate the access keys that were created during deployment.
A cloud administrator is reviewing the current private cloud and public law environment, and is building an optimization plan. Portability is of great concern for the administrator so resources can be easily moved from one environment to another. Which of the following should the administrator implement?
A. Serverless
B. CDN
C. Containers
D. Deduplication
C. Containers
A VDI provider suspects users are installing prohibited software on the instances. Which of the following must be implemented to prevent the issue?
A. Log monitoring
B. Patch management
C. Vulnerability scanning
D. System hardening
D. System hardening
A DevOps team needs to provide a solution that offers isolation, portability, and scalability. Which of the following would BEST meet these requirements?
A. Virtual machines
B. Containers
C. Appliances
D. Clusters
B. Containers
A systems administrator is responsible for upgrading operating systems on VMs that are hosted in a cloud environment. The systems administrator wants to ensure the VMs receive updates for as long as possible. Which of the following should the systems administrator choose?
A. Stable
B. Nightly
C. LTS
D. Canary
E. EDR
A. Stable
A cloud administrator has deployed several VM instances that are running the same applications on VDI nodes. Users are reporting that a role instance is looping between STARTED, INITIALIZING, BUSY, and STOP. Upon investigation, the cloud administrator can see the status changing every few minutes. Which of the following should be done to resolve the issue?
A. Reboot the hypervisor.
B. Review the package and configuration file.
C. Configure service healing.
D. Disable memory swap.
C. Configure service healing.
An integration application that communicates between different application and database servers is currently hosted on a physical machine. A P2V migration needs to be done to reduce the hardware footprint. Which of the following should be considered to maintain the same level of network throughput and latency in the virtual server?
A. Upgrading the physical server NICs to support 10Gbps
B. Adding more vCPU
C. Enabling SR-IOV capability
D. Increasing the VM swap/paging size
D. Increasing the VM swap/paging size
