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NEW QUESTION: 1
You are the new IT architect in a company that operates a mobile sleep tracking application When activated at night, the mobile app is sending collected data points of 1 kilobyte every
5 minutes to your backend
The backend takes care of authenticating the user and writing the data points into an Amazon DynamoDB table.
Every morning, you scan the table to extract and aggregate last night's data on a per user basis, and store the results in Amazon S3.
Users are notified via Amazon SMS mobile push notifications that new data is available, which is parsed and visualized by (The mobile app Currently you have around 100k users who are mostly based out of North America.
You have been tasked to optimize the architecture of the backend system to lower cost what would you recommend? (Choose 2 answers)
A. Create a new Amazon DynamoDB (able each day and drop the one for the previous day after its data is on Amazon S3.
B. Write data directly into an Amazon Redshift cluster replacing both Amazon DynamoDB and Amazon S3.
C. Introduce an Amazon SQS queue to buffer writes to the Amazon DynamoDB table and reduce provisioned write throughput.
D. Introduce Amazon Elasticache lo cache reads from the Amazon DynamoDB table and reduce provisioned read throughput.
E. Have the mobile app access Amazon DynamoDB directly instead of JSON files stored on Amazon S3.
Answer: D,E

NEW QUESTION: 2
HOTSPOT


Answer:
Explanation:

Topic 2, Tailspin Toys (NEW)
Background
Security
The security team at Tailspin Toys plans to eliminate legacy authentication methods that are in use, including NTLM and Windows pass-through authentication.
Tailspin Toys needs to share resources with several business partners. You are investigating options to securely share corporate data.
Tailspin Toys has several databases that contain personally identifiable information (PII).
User access PII only through the Tailspin Toys e-commerce website.
You secure apps by using on-premises Active Directory Domain Services (AD DS) credentials or Microsoft SQL Server logins.
Apps
The Tailspin Toys e-commerce site is hosted on multiple on-premises virtual machines (VMs). The VM runs either Internet Information Server (IIS) or SQL Server 2012 depending on role. The site is published to the Internet by using a single endpoint that balances the load across web servers. The site does not encrypt traffic between database servers and web servers.
The Tailspin Toys Customer Analyzer app analyzer e-commerce transactions to identify customer buying patterns, and outputs recommended product sale pricing. The app runs large processing jobs that run for 75-120 minutes several times each day. The application development team plans to replace the current solution with a parallel processing solution that scales based on computing demands.
The Tailspin Toys Human Resources (HR) app is an in-house developed app that hosts sensitive employee data. The app uses SQL authentication for Role-Based Access Control (RBAC).
Problem statement
The Tailspin Toys IT Leadership Team plans to address deficiencies in access control, data security, performance, and availability requirements. All applications must be updated to meet any new standards that are defined.
The Tailspin Toys e-commerce site was recently targeted by a cyberattack. In the attack, account information was stolen from the customer database. Transactions that were in progress during the attack were not completed. Forensic investigation of the attack has revealed that the stolen customer data was captured in transit from the database to a compromised web server.
The HR team reports that unauthorized IT employees can view sensitive employee data by using service or application accounts.
Business Requirements
Tailspin Toys e-commerce site
The business has requested that security and availability of the e-commerce site is improved to meet thefollowing requirements.
* Communication between site components must be secured to stop data breaches.
If servers are breached, the data must not be readable.
* The site must be highly available at each application tier, as well as the published endpoint.
* Customers must be able to authenticate to the e-commerce site with their existing social media accounts.
Tailspin Toys Customer Analyzer app
The business requires that processing time be reduced from 75-120 minutes to 5-15 minutes.
Tailspin Toys HR app
Only authorized employees and business partners are allowed to view sensitive employee data. HR has requested a mobile experience for end users.
Technical Requirements
Security
The security team has established the following requirements for role-separation and RBAC:
* Log on hours defined in AD DS must be enforced for users that access cloud resources.
* IT operations team members must be able to deploy and manage all resources in Azure, but must not be able to grant permissions to others.
* Application development team members must be able to deploy and manage Azure Web Apps.
* SQL database administrators must be able to deploy and manage SQL databases used by TailSpin Toys application.
* Application support analysts must be able to manage resources for the application(s) for which they are
* responsible.
* Service desk analysts must be able to view service status and component settings.
* Role assignment should use the principle of least privilege.
Tailspin Toys e-commerce site
The application is currently using a pair of hardware load balancers behind a single published endpoint to load balance traffic. Customer data is hosted in a SQL Server 2012 database. Customer user accounts are stored in an AD DS instance.
The updated application and supporting infrastructure must:
* Provide high availability in the event of failure in a single Azure SQL Database instance.
* Allow secure web traffic on port 443 only.
* Enable customers to authentication with Facebook, Microsoft Live ID or other social media identities.
* Encrypt SQL data at-rest.
* Encrypt data in motion between back-end SQL database instances and web application instances.
* Prevent administrator and service accounts from viewing PII data.
* Mask account and PII data presented to end user.
* Minimize outage duration in event of an Azure datacenter failure.
* The site should scale automatically to meet customer demand.
* The site should continue to serve requests, even in the event of failure of an Azure datacenter.
* Optimize site response time by auto-directing to the closest datacenter based on customer's geographic location.
Operations must be able to deploy the solution using an Azure Resource Manager (ARM) template.
Tailspin Toys Customer Analyzer app
The app uses several compute-intensive tasks that create long-running requests to the system, processing large amounts of data. The app runs on two large VMs that are scaled to max capacity in the corporate datacenter. The VMs cannot be scaled up or out to meet processing demands.
The new solution must meet the following requirements:
* Schedule processing of a large amount of pricing data on an hourly basis.
* Provide parallel processing and scale-on-demand computing resources to provide additional capacity as required.
* Processing times must meet the 5-15 minute processing requirement.
* Use simultaneous compute nodes to enable high performance computing for analysis.
* Minimal administrative efforts and custom development.
Operations must be able to deploy the solution using an Azure Resource Manager (ARM) template.
Tailspin Toys HR app
The solution architecture must meet the following requirements:
* Integrate with Azure Active Directory (Azure AD).
* Encrypt data at rest and in-transit.
* Limit access based on location, filtered by IP addresses for corporate sites and authorized business partners.
* Mask data presented to employees.
* Must be available on mobile devices.
Operations must be able to deploy the solution using an Azure Resource Manager (ARM) template.

NEW QUESTION: 3
標的となる電子メールを送信するために、攻撃者が組織のスタッフ階層をマッピングしようとすることを特徴とするのは次のうちどれですか
A. なりすまし
B. 捕鯨
C. スピアフィッシング
D. 権限昇格
Answer: B

NEW QUESTION: 4
You have two subscriptions named Subscription1 and Subscription2. Each subscription is associated to a different Azure AD tenant.
Subscription1 contains a virtual network named VNet1.VNet1 contains an Azure virtual machine named VM1 and has an IP address space of 10.0.0.0/16.
Subscription2 contains a virtual network named VNet2. VNet2 contains an Azure virtual machine named VM2 and has an IP address space of 10.10.0.0/24.
You need to connect VNet1 to VNet2.
What should you do first?
A. Provision virtual network gateways.
B. Move VM1 to Subscription2.
C. Move VNet1 to Subscription2.
D. Modify the IP address space of VNet2.
Answer: A
Explanation:
The virtual networks can be in the same or different regions, and from the same or different subscriptions. When connecting VNets from different subscriptions, the subscriptions do not need to be associated with the same Active Directory tenant.
Configuring a VNet-to-VNet connection is a good way to easily connect VNets. Connecting a virtual network to another virtual network using the VNet-to-VNet connection type (VNet2VNet) is similar to creating a Site-to-Site IPsec connection to an on-premises location. Both connectivity types use a VPN gateway to provide a secure tunnel using IPsec/IKE, and both function the same way when communicating.
The local network gateway for each VNet treats the other VNet as a local site. This lets you specify additional address space for the local network gateway in order to route traffic.
References:
https://docs.microsoft.com/en-us/azure/vpn-gateway/vpn-gateway-howto-vnet-vnet-resource-manager-portal