November 13, 2022

Top 20 AWS Wavelength Interview Questions and Answers

  

 

Ques. 1): AWS Wavelength: What is it?

Answer:

For developers to innovate and create a new class of apps, AWS Wavelength blends the high bandwidth and ultralow latency of 5G networks with AWS computation and storage capabilities. In collaboration with Verizon in the US, KDDI in Japan, SK Telecom in South Korea, Vodafone in the UK and Germany, and Bell in Canada, Wavelength Zones are accessible.

 

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Ques. 2): What types of AWS Wavelength workloads are examples?

Answer:

Emerging interactive applications such video inference using machine learning (ML), live video streaming, and game streaming. For end users and devices connecting over mobile networks, these workloads demand computing and storage near to the edge. Additionally, to meet the demands for application performance, use cases like industrial automation, smart cities, IoT, and autonomous cars need data processing and retrieval near to the edge. AWS Wavelength and Wavelength Zones can help with any of these use cases.

 

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Ques. 3) What is exactly the wavelength zone?

Answer:

Application traffic can reach application servers running in Wavelength Zones without leaving the mobile providers' network thanks to AWS infrastructure deployments called Wavelength Zones, which embed AWS compute and storage services within telecommunications providers' data centres at the edge of the 5G network. Customers are able to fully utilise 5G networks since the delay brought on by several hops to the internet is avoided. Wavelength Zones bring AWS to the 5G edge and provide a unified developer experience for all 5G networks worldwide. Additionally, Wavelength Zones enable developers to utilise the same well-known AWS services, APIs, tools, and capabilities they currently use today to create the next generation of ultra-low latency apps.


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Ques. 4): Why should I use the AWS Wavelength?

Answer:

Because computation and storage are located directly within the 5G networks of the telecom providers, AWS Wavelength enables you to connect your device on the 5G network to the resources for your application on the AWS cloud with the fewest number of network hops. By avoiding longer paths or network congestion that would be needed to reach application resources outside of the 5G network, this decreases latency.

This makes it possible for new sorts of latency-sensitive, compute-intensive applications. For instance, smart industrial robots monitoring and responding to plant conditions in a hazardous manufacturing environment, a fleet of autonomous vehicles interacting with road sensors to prevent collisions, or retailers delivering tailored promotions to customers' mobile phones in real time as they pass product displays.


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Ques. 5): What are the benefits of AWS Wavelength?

Answer:

Wavelength brings the power of AWS to the network edge to enable latency sensitive use cases requiring near real-time responses. Processing at the network edge can help avoid transmitting large volumes of data over the network provider’s infrastructure, and offload processing from mobile device hardware.


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Ques. 6): What kinds of Amazon EC2 instances are offered?

Answer:

For edge workloads, Wavelength supports the instance types t3.medium, t3.xlarge, and r5.

For applications needing efficient general purpose computing, use 2xlarge; g4dn.

2xlarge for GPU-required applications like edge ML inference and gaming streaming. EBS is used to power all EC2 instances. The parent Region houses Amazon Machine Images (AMIs) and snapshots of EBS volumes. You can only purchase On-Demand EC2 Instances; Reserved Instances are not available for purchase in Wavelength Zones.


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Ques. 7): Can I deploy apps to 4G/LTE devices using Wavelength Zones?

Answer:

Yes. Application servers on Wavelength Zones are accessible by 4G/LTE mobile phones and other devices connected through 4G/LTE networks. These apps gain advantages by using the co-located computational architecture of the mobile network.


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Ques. 8): Who should use AWS Wavelength?

Answer:

When you need to build high-performance apps that are accessed by mobile end users and devices that require single digit millisecond latency, you should utilise AWS Wavelength. Wavelength enables AWS companies to reach end users with millisecond-level connections when developing public apps like game streaming and augmented/virtual reality (AR/VR) services, improving user experience and application speed.

Wavelength offers low-latency solutions for use cases including the Internet of Things (IoT), live video creation, and industrial automation to AWS commercial clients. Customers may utilise Wavelength to execute low-latency operations and processing precisely where their data is created if they have demands for edge data processing such as image and video recognition, inference, data aggregation, and responsive analytics.


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Ques. 9): How can I begin using AWS Wavelength?

Answer:

Wavelength Zones are extensions of an AWS Region, which reduces the requirement for you to redesign your application's architecture in order to minimise latency by letting you continue to utilise the same AWS tools and capabilities you do today. All you have to do is choose your Amazon Virtual Private Cloud (VPC) in the VPC console if you already have an application running. Select the option to build a subnet in a Wavelength Zone from the Actions menu. Wavelength Zones are enabled by default for all carriers and locations accessible in the Region, albeit you can choose only a few. You may create subnets for each Wavelength Zone using the wizard.


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Ques. 10): Is it possible to reserve Amazon EC2 capacity in a Wavelength Zone?

Answer:

To reserve space for your Amazon EC2 instances in a Wavelength Zone, utilise On-Demand Capacity Reservations.


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Ques. 11): Which AWS services are offered by AWS Wavelength?

Answer:

In Wavelength Zones, you may set up Amazon EC2 instances, Amazon Elastic Block Store (EBS) volumes, Amazon VPC subnets, and carrier gateways. Additionally, you may employ services that coordinate or interact with EC2, EBS, and VPC. These include AWS CloudFormation, Amazon EC2 Auto Scaling, Amazon EKS and ECS clusters, AWS CloudWatch, AWS CloudTrail, and AWS EC2 Systems Manager. The Wavelength services are a part of a VPC that is connected to an AWS Region through a dependable, high-bandwidth connection, making it simple to access services like Amazon DynamoDB and Amazon Relational Database Service (RDS).


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Ques. 12): What pricing schemes do Wavelength Zones for Amazon EC2 support?

Answer:

In Wavelength Zones, there are two methods to pay for Amazon EC2 instances: Savings plans and on-demand.


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Ques. 13): How should I think about when to use AWS Wavelength, AWS Local Zones, or AWS Outposts for applications requiring low latency or local data processing?

Answer:

Wherever they are deployed, AWS assists customers in providing a consistent experience to serve applications with low latency requirements or local data processing needs.

By extending AWS infrastructure, services, APIs, and tools to 5G networks, AWS Wavelength is intended to enable ultra-low latency applications to 5G devices. In order to assist developers in creating new applications for 5G end users needing single-digit millisecond latency, such as IoT devices, game streaming, autonomous cars, and live video creation, Wavelength embeds storage and computing into telecom providers' 5G networks.

AWS Local Zones are a new kind of AWS infrastructure created to handle workloads that need single-digit millisecond latency in more places, such as virtual desktop apps with heavy graphics. Some customers may not want to manage their own on-site data centre, while others could choose to completely do away with their nearby data centre. Customers may benefit from operating computing and storage resources closer to end users by using Local Zones without having to own and manage their own data centre infrastructure.

In order to function smoothly alongside customers' AWS workloads, AWS Outposts is made for workloads that must remain on-premises owing to latency limitations. AWS Outposts are fully managed and configurable compute and storage racks built with AWS-designed hardware, which allows customers to run compute and storage on-premises while seamlessly connecting to AWS’s broad array of cloud services.

 

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Ques. 14): How can I get help for using AWS Wavelength to operate AWS services?

Answer:

To obtain assistance with AWS services operating in Wavelength Zones, open a case with AWS Support.


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Ques. 15): How do I see my usage in Wavelength Zones?

Answer:

Utilization may be filtered by Availability Zone, including Wavelength Zones, using the AWS Cost Explorer.

 

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