2qov3b[Web 2][AWS] IAM MFA
Your company has decided that certain users should have Multi-Factor Authentication (MFA) enabled for their sign-in credentials. A newly hired manager has a Gemalto MFA device that he used in his earlier company. He has approached you to configure it for his AWS account. How will you configure his existing Gemalto MFA device so he can seamlessly connect with AWS services in the new company?Ref: https://aws.amazon.com/iam/faqs/ Ans: AWS MFA does not support the use of your existing Gemalto dev...
2qov3b[Web 2][AWS] Capacity Reservations
A startup has reserved On-Demand Capacity Reservations for the Amazon EC2 instances they use for running analytics. Once the billing report was generated, the company was surprised to see that the costs were much higher than expected. The startup has hired you as a SysOps Administrator to bridge this knowledge gap. Can you identify the important points to remember when considering On-Demand Capacity Reservations?Ref: https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/ec2-capacity-reservation...
2qov3b[Web 2][AWS] VPC endpoints
An automobile company uses a hybrid environment to run its technology infrastructure using a mix of on-premises instances and AWS Cloud. The company has a few managed instances in Amazon VPC. The company wants to avoid using the internet for accessing AWS Systems Manager APIs from this VPC. As a Systems Administrator, which of the following would you recommend to address this requirement?Ref: https://docs.aws.amazon.com/vpc/latest/userguide/how-it-works.html#what-is-privatelink https://docs.a...
I just don't know what to do w/ myself in Tokyo...
2qov3b[Web 2][AWS] IAM MFA
Your company has decided that certain users should have Multi-Factor Authentication (MFA) enabled for their sign-in credentials. A newly hired manager has a Gemalto MFA device that he used in his earlier company. He has approached you to configure it for his AWS account. How will you configure his existing Gemalto MFA device so he can seamlessly connect with AWS services in the new company?Ref: https://aws.amazon.com/iam/faqs/ Ans: AWS MFA does not support the use of your existing Gemalto dev...
2qov3b[Web 2][AWS] Capacity Reservations
A startup has reserved On-Demand Capacity Reservations for the Amazon EC2 instances they use for running analytics. Once the billing report was generated, the company was surprised to see that the costs were much higher than expected. The startup has hired you as a SysOps Administrator to bridge this knowledge gap. Can you identify the important points to remember when considering On-Demand Capacity Reservations?Ref: https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/ec2-capacity-reservation...
2qov3b[Web 2][AWS] VPC endpoints
An automobile company uses a hybrid environment to run its technology infrastructure using a mix of on-premises instances and AWS Cloud. The company has a few managed instances in Amazon VPC. The company wants to avoid using the internet for accessing AWS Systems Manager APIs from this VPC. As a Systems Administrator, which of the following would you recommend to address this requirement?Ref: https://docs.aws.amazon.com/vpc/latest/userguide/how-it-works.html#what-is-privatelink https://docs.a...
I just don't know what to do w/ myself in Tokyo...
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As a SysOps Administrator, you have been asked to fix the network performance issues for a fleet of Amazon EC2 instances of a company.
Which of the following use-cases represents the right fit for using enhanced networking?
Ref:
https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/enhanced-networking.html
https://aws.amazon.com/premiumsupport/knowledge-center/enable-configure-enhanced-networking/
https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/ebs-volumes-multi.html
Ans:
To support throughput near or exceeding 20K packets per second (PPS) on the VIF driver - Enhanced networking uses single root I/O virtualization (SR-IOV) to provide high-performance networking capabilities on supported instance types. SR-IOV is a method of device virtualization that provides higher I/O performance and lower CPU utilization when compared to traditional virtualized network interfaces. Enhanced networking provides higher bandwidth, higher packet per second (PPS) performance, and consistently lower inter-instance latencies. There is no additional charge for using enhanced networking.
Consider using enhanced networking for the following scenarios:
If your packets-per-second rate reaches its ceiling, consider moving to enhanced networking. If your rate reaches its ceiling, you've likely reached the upper thresholds of the virtual network interface driver.
If your throughput is near or exceeding 20K packets per second (PPS) on the VIF driver, it's a best practice to use enhanced networking.
All current generation instance types support enhanced networking, except for T2 instances.
As a SysOps Administrator, you have been asked to fix the network performance issues for a fleet of Amazon EC2 instances of a company.
Which of the following use-cases represents the right fit for using enhanced networking?
Ref:
https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/enhanced-networking.html
https://aws.amazon.com/premiumsupport/knowledge-center/enable-configure-enhanced-networking/
https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/ebs-volumes-multi.html
Ans:
To support throughput near or exceeding 20K packets per second (PPS) on the VIF driver - Enhanced networking uses single root I/O virtualization (SR-IOV) to provide high-performance networking capabilities on supported instance types. SR-IOV is a method of device virtualization that provides higher I/O performance and lower CPU utilization when compared to traditional virtualized network interfaces. Enhanced networking provides higher bandwidth, higher packet per second (PPS) performance, and consistently lower inter-instance latencies. There is no additional charge for using enhanced networking.
Consider using enhanced networking for the following scenarios:
If your packets-per-second rate reaches its ceiling, consider moving to enhanced networking. If your rate reaches its ceiling, you've likely reached the upper thresholds of the virtual network interface driver.
If your throughput is near or exceeding 20K packets per second (PPS) on the VIF driver, it's a best practice to use enhanced networking.
All current generation instance types support enhanced networking, except for T2 instances.
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