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| Certification Vendor: | Amazon Web Services (AWS) |
|---|---|
| Exam Name: | AWS Certified Cloud Practitioner |
| Exam Number: | CLF-C02 |
| Available Languages: | Japanese, English, Korean, Simplified Chinese |
| Exam Price: | $100 USD |
| Exam Format: | Multiple Response, Multiple Choice |
| Real Exam Qty: | 65 |
| Certificate Validity Period: | 3 years |
| Related Certifications: | AWS Certified Cloud Practitioner |
| Passing Score: | 700 out of 1000 |
| Exam Duration: | 90 minutes |
| Sample Questions: | Amazon CLF-C02 Sample Questions |
| Exam Way: | Online proctored exam or testing center (Pearson VUE) |
| Pre Condition: | No prerequisites. Recommended at least 6 months of exposure to the AWS Cloud. |
| Official Syllabus URL: | https://aws.amazon.com/certification/certified-cloud-practitioner/ |
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NEW QUESTION # 175
Which AWS services are supported by Savings Plans? (Select TWO.)
Answer: C,D
Explanation:
The AWS services that are supported by Savings Plans are:
Amazon EC2: Amazon EC2 is a service that provides scalable computing capacity in the AWS cloud. You can use Amazon EC2 to launch virtual servers, configure security and networking, and manage storage. Amazon EC2 is eligible for both Compute Savings Plans and EC2 Instance Savings Plans12.
Amazon SageMaker: Amazon SageMaker is a service that helps you build and deploy machine learning models. You can use Amazon SageMaker to access Jupyter notebooks, use common machine learning algorithms, train and tune models, and deploy them to a hosted environment. Amazon SageMaker is eligible for SageMaker Savings Plans13.
The other options are not supported by Savings Plans. Amazon RDS, Amazon Redshift, and Amazon DynamoDB are database services that are eligible for Reserved Instances, but not Savings Plans4.
NEW QUESTION # 176
A company needs to block SQL injection attacks.
Which AWS service or feature can meet this requirement?
Answer: B
Explanation:
AWS WAF is a web application firewall that helps protect web applications from common web exploits, such as SQL injection attacks. It allows customers to create custom rules that block malicious requests. AWS Shield is a managed service that protects against distributed denial of service (DDoS) attacks, not SQL injection attacks. Network ACLs and security groups are network-level security features that filter traffic based on IP addresses and ports, not web requests or SQL queries. References: [AWS WAF], [AWS Shield], [Network ACLs], [Security groups]
NEW QUESTION # 177
Which AWS service or feature improves network performance by sending traffic through the AWS worldwide network infrastructure?
Answer: D
Explanation:
AWS Global Accelerator is a service that improves network performance by sending traffic through the AWS worldwide network infrastructure. It uses the AWS global network to direct TCP or UDP traffic to a healthy application endpoint in the closest AWS Region to the client. This provides improvements in terms of latency, throughput, and jitter. Global Accelerator also introduces features such as TCP termination at the edge, jumbo frame support, and large receive side window and TCP buffers to optimize data transfer12. Route table, AWS Transit Gateway, and Amazon VPC are not services or features that improve network performance by sending traffic through the AWS worldwide network infrastructure. Route table is a resource that defines how traffic is routed within a VPC3. AWS Transit Gateway is a service that enables you to connect your VPCs and on-premises networks to a single gateway4. Amazon VPC is a service that lets you provision a logically isolated section of the AWS Cloud where you can launch AWS resources in a virtual network that you define5. References: Achieve up to 60% better performance for internet traffic with AWS Global Accelerator, Improving Performance on AWS and Hybrid Networks, Route tables, AWS Transit Gateway, Amazon Virtual Private Cloud (VPC)
NEW QUESTION # 178
Which type of AWS storage is ephemeral and is deleted when an Amazon EC2 instance is stopped or terminated?
Answer: D
Explanation:
Explanation
Amazon EC2 instance store provides temporary block-level storage for your EC2 instance. This storage is located on disks that are physically attached to the host computer. Instance store is ideal for temporary storage of information that changes frequently, such as buffers, caches, scratch data, and other temporary content. It can also be used to store temporary data that you replicate across a fleet of instances, such as a load-balanced pool of web servers. An instance store consists of one or more instance store volumes exposed as block devices. The size of an instance store as well as the number of devices available varies by instance type and instance size. The virtual devices for instance store volumes are ephemeral[0-23]. Instance types that support one instance store volume have ephemeral0. Instance types that support two or more instance store volumes have ephemeral0, ephemeral1, and so on. Instance store pricing Instance store volumes are included as part of the instance's usage cost. The data on an instance store volume persists even if the instance is rebooted.
However, the data does not persist if the instance is stopped, hibernated, or terminated. When the instance is stopped, hibernated, or terminated, every block of the instance store volume is cryptographically erased.
Therefore, do not rely on instance store volumes for valuable, long-term data. If you need to retain the data stored on an instance store volume beyond the lifetime of the instance, you need to manually copy that data to more persistent storage, such as an Amazon EBS volume, an Amazon S3 bucket, or an Amazon EFS file system. There are some events that can result in your data not persisting throughout the lifetime of the instance. The following table indicates whether data on instance store volumes is persisted during specific events, for both virtualized and bare metal instances1. References: Amazon EC2 instance store - Amazon Elastic Compute Cloud
NEW QUESTION # 179
A company needs a firewall that will control network connections to and from a single Amazon EC2 instance.
This firewall will not control network connections to and from other instances that are in the same subnet.
Which AWS service or feature can the company use to meet these requirements?
Answer: B
Explanation:
A Security Group acts as a virtual firewall for your Amazon EC2 instances to control inbound and outbound traffic. It provides granular control over network connections to and from a specific EC2 instance or set of instances. Unlike Network ACLs, which operate at the subnet level, Security Groups operate at the instance level, allowing control over network traffic for individual instances.
* A. Network ACL: Incorrect, as it controls traffic at the subnet level and not for individual instances.
* B. AWS WAF: Incorrect, as AWS WAF is a web application firewall that helps protect web applications from common web exploits but is not designed for controlling instance-level traffic.
* C. Route table: Incorrect, as route tables are used for network routing within a VPC and do not act as firewalls.
AWS Cloud References:
* AWS Security Groups
NEW QUESTION # 180
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