Tim Urista
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Associate ec2 quiz

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Tim Urista
Criado por Tim Urista mais de 6 anos atrás
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AWS Quiz EC2 - 1

Questão 1 de 10

1

Your web application needs four instances to support steady traffic nearly all of the time. On the last day of each month, the traffic triples. What is a cost-effective way to handle this traffic pattern?

Selecione uma das seguintes:

  • Run 12 Reserved Instances all of the time.

  • Run four On-Demand Instances constantly, then add eight more On-Demand Instances on the last day of each month.

  • Run four Reserved Instances constantly, then add eight On-Demand Instances on the last day of each month.

  • Run four On-Demand Instances constantly, then add eight Reserved Instances on the last day of each month.

Explicação

Questão 2 de 10

1

Which of the following can be used to address an Amazon Elastic Compute Cloud (Amazon EC2) instance over the web? (Choose 2 answers)

Selecione uma ou mais das seguintes:

  • Windows machine name

  • Public DNS name

  • Amazon EC2 instance ID

  • Elastic IP address

Explicação

Questão 3 de 10

1

Which of the following are features of enhanced networking? (Choose 3 answers)

Selecione uma ou mais das seguintes:

  • More Packets Per Second (PPS)

  • Lower latency

  • Multiple network interfaces

  • Border Gateway Protocol (BGP) routing

  • Less jitter

Explicação

Questão 4 de 10

1

You have purchased an m3.xlarge Linux Reserved instance in us-east-1a. In which ways can you modify this reservation? (Choose 2 answers)

Selecione uma ou mais das seguintes:

  • Change it into two m3.large instances.

  • Change it to a Windows instance.

  • Move it to us-east-1b.

  • Change it to an m4.xlarge.

Explicação

Questão 5 de 10

1

You are creating a High-Performance Computing (HPC) cluster and need very low latency and high bandwidth between instances. What combination of the following will allow this? (Choose 3 answers)

Selecione uma ou mais das seguintes:

  • Use an instance type with 10 Gbps network performance.

  • Put the instances in a placement group.

  • Use Dedicated Instances.

  • Enable enhanced networking on the instances.

  • Use Reserved Instances.

Explicação

Questão 6 de 10

1

Using the correctly decrypted Administrator password and RDP, you cannot log in to a Windows instance you just launched. Which of the following is a possible reason?

Selecione uma das seguintes:

  • There is no security group rule that allows RDP access over port 3389 from your IP address.

  • The instance is a Reserved Instance.

  • The instance is not using enhanced networking.

  • The instance is not an Amazon EBS-optimized instance.

Explicação

Questão 7 de 10

1

Your instance is associated with two security groups. The first allows Remote Desktop Protocol (RDP) access over port 3389 from Classless Inter-Domain Routing (CIDR) block 72.14.0.0/16. The second allows HTTP access over port 80 from CIDR block 0.0.0.0/0. What traffic can reach your instance?

Selecione uma das seguintes:

  • RDP and HTTP access from CIDR block 0.0.0.0/0

  • No traffic is allowed.

  • RDP and HTTP traffic from 72.14.0.0/16

  • RDP traffic over port 3389 from 72.14.0.0/16 and HTTP traffic over port 80 from 0.0.00/0

Explicação

Questão 8 de 10

1

VM Import/Export can import existing virtual machines as: (Choose 2 answers)

Selecione uma ou mais das seguintes:

  • Amazon Elastic Block Store (Amazon EBS) volumes

  • Amazon Elastic Compute Cloud (Amazon EC2) instances

  • Amazon Machine Images (AMIs)

  • Security groups

Explicação

Questão 9 de 10

1

Which Amazon Elastic Compute Cloud (Amazon EC2) feature ensures that your instances will not share a physical host with instances from any other AWS customer?

Selecione uma das seguintes:

  • Amazon Virtual Private Cloud (VPC)

  • Placement groups

  • Dedicated Instances

  • Reserved Instances

Explicação

Questão 10 de 10

1

You have a workload that requires 1 TB of durable block storage at 1,500 IOPS during normal use. Every night there is an Extract, Transform, Load (ETL) task that requires 3,000 IOPS for 15 minutes. What is the most appropriate volume type for this workload?

Selecione uma das seguintes:

  • Use a Provisioned IOPS SSD volume at 3,000 IOPS.

  • Use an instance store.

  • Use a general-purpose SSD volume.

  • Use a magnetic volume.

Explicação