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Microsoft AZ-100 問題練習

Microsoft Azure Infrastructure and Deployment (beta) 試験

最新更新時間: 2021/01/07,合計108問。

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Question No : 1
HOTSPOT
You have an Azure subscription named Subscription1.
Subscription1 contains the resources in the following table.



In Azure, you create a private DNS zone named adatum.com. You set the registration virtual network to VNet2.
The adatum.com zone is configured as shown in the following exhibit.



For each of the following statements, select Yes if the statement is true. Otherwise, select No. NOTE: Each correct selection is worth one point.



正解:


Explanation:
Box 1: No
Azure DNS provides automatic registration of virtual machines from a single virtual network that's linked to a private zone as a registration virtual network. VM5 does not belong to the registration virtual network though.
Box 2: No
Forward DNS resolution is supported across virtual networks that are linked to the private zone as resolution virtual networks. VM5 does belong to a resolution virtual network.
Box 3: Yes
VM6 belongs to registration virtual network, and an A (Host) record exists for VM9 in the DNS zone. By default, registration virtual networks also act as resolution virtual networks, in the sense that DNS resolution against the zone works from any of the virtual machines within the registration virtual network.
References: https://docs.microsoft.com/en-us/azure/dns/private-dns- Overview

Question No : 2
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?

正解:
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-resource­manager-portal

Question No : 3
HOTSPOT
You plan to deploy five virtual machines to a virtual network subnet. Each virtual machine will have a public IP address and a private IP address. Each virtual machine requires the same inbound and outbound security rules.
What is the minimum number of network interfaces and network security groups that you require? To
answer, select the appropriate options in the answer area. NOTE: Each correct selection is worth one point.



正解:


Explanation:
Box 1: 10
One public and one private network interface for each of the five VMs.
Box 2: 1
You can associate zero, or one, network security group to each virtual network subnet and network interface in a virtual machine. The same network security group can be associated to as many subnets and network interfaces as you choose.
References: https://docs.microsoft.com/en-us/azure/virtual-network/security- Overview

Question No : 4
You have an Azure subscription named Subscription1.
You deploy a Linux virtual machine named VM1 to Subscription1.
You need to monitor the metrics and the logs of VM1.
What should you use?

正解:
Explanation:
You can use extensions to configure diagnostics on your VMs to collect additional metric data. The basic host metrics are available, but to see more granular and VM-specific metrics, you need to install the Azure diagnostics extension on the VM. The Azure diagnostics extension allows additional monitoring and diagnostics data to be retrieved from the VM.
References: https://docs.microsoft.com/en-us/azure/virtual-machines/linux/tutorial-monitoring

Question No : 5
DRAG DROP
You have an Azure subscription that contains an Azure virtual machine named VM1. VM1 runs Windows
Server 2016 and is part of an availability set.
VM1 has virtual machine-level backup enabled.
VM1 is deleted.
You need to restore VM1 from the backup. VM1 must be part of the availability set.
Which three actions should you perform in sequence? To answer, move the appropriate actions from the
list of actions to the answer area and arrange them in the correct order.



正解:


Explanation:
Restoring a VM or all disks from VM backup involves two major steps:
Step 1: Select a restore point for restore.

Question No : 6
You have an Azure subscription that contains 100 virtual machines. You regularly create and delete virtual machines. You need to identify unused disks that can be deleted.
What should you do?

正解:

Question No : 7
Note: This question is part of a series of questions that present the same scenario. Each question in the series contains a unique solution that might meet the stated goals. Some question sets might have more than one correct solution, while others might not have a correct solution.
After you answer a question in this section, you will NOT be able to return to it. As a result, these questions will not appear in the review screen.
You have an Azure virtual machine named VM1. VM1 was deployed by using a custom Azure Resource Manager template named ARM1.json. You receive a notification that VM1 will be affected by maintenance. You need to move VM1 to a different host immediately. Solution: From the Overview blade, you move the virtual machine to a different resource group. Does this meet the goal?

正解:
Explanation:
You should redeploy the VM.
References: https://docs.microsoft.com/en-us/azure/virtual-machines/windows/redeploy-to-new-node

Question No : 8
Note: This question is part of a series of questions that present the same scenario. Each question in the series contains a unique solution that might meet the stated goals. Some question sets might have more than one correct solution, while others might not have a correct solution.
After you answer a question in this section, you will NOT be able to return to it. As a result, these questions will not appear in the review screen.
You have an Azure virtual machine named VM1. VM1 was deployed by using a custom Azure Resource Manager template named ARM1.json. You receive a notification that VM1 will be affected by maintenance. You need to move VM1 to a different host immediately.
Solution: From the Redeploy blade, you click Redeploy.
Does this meet the goal?

正解:
Explanation:
When you redeploy a VM, it moves the VM to a new node within the Azure infrastructure and then powers it back on, retaining all your configuration options and associated resources.
References: https://docs.microsoft.com/en-us/azure/virtual-machines/windows/redeploy-to-new-node

Question No : 9
DRAG DROP
You have an availability set named AS1 that contains three virtual machines named VM1, VM2, and VM3. You attempt to reconfigure VM1 to use a larger size. The operation fails and you receive an allocation
failure message. You need to ensure that the resize operation succeeds.
Which three actions should you perform in sequence? To answer, move the appropriate actions from the
list of actions to the answer area and arrange them in the correct order.



正解:


Explanation:
Step 1: Stop VM1, VM, and VM3.
If the VM you wish to resize is part of an availability set, then you must stop all VMs in the availability set before changing the size of any VM in the availability set. The reason all VMs in the availability set must be stopped before performing the resize operation to a size that requires different hardware is that all running VMs in the availability set must be using the same physical hardware cluster. Therefore, if a change of physical hardware cluster is required to change the VM size then all VMs must be first stopped and then restarted one-by-one to a different physical hardware clusters.
Step 2: Resize VM1.
Step 3: Start VM1, VM2, and VM3.
References: https://azure.microsoft.com/es-es/blog/resize-virtual-machines/

Question No : 10
HOTSPOT
You purchase a new Azure subscription named Subscription1. You create a virtual machine named VM1 in Subscription1. VM1 is not protected by Azure Backup. You need to protect VM1 by using Azure Backup. Backups must be created at 01:00 and stored for 30 days.
What should you do? To answer, select the appropriate options in the answer area. NOTE: Each correct selection is worth one point.



正解:


Explanation:
Box 1: A Recovery Services vault
A Recovery Services vault is an entity that stores all the backups and recovery points you create over time.
Box 2: A backup policy
What happens when I change my backup policy?
When a new policy is applied, schedule and retention of the new policy is followed.
References: https://docs.microsoft.com/en-us/azure/backup/backup-configure-vault
https://docs.microsoft.com/en-us/azure/backup/backup-azure-backup-faq

Question No : 11
HOTSPOT
You have an Azure subscription named Subscription1. Subscription1 contains two Azure virtual machines named VM1 and VM2. VM1 and VM2 run Windows Server 2016. VM1 is backed up daily by Azure Backup without using the Azure Backup agent. VM1 is affected by ransomware that encrypts data. You need to restore the latest backup of VM1.
To which location can you restore the backup? To answer, select the appropriate options in the answer area. NOTE: Each correct selection is worth one point. Hot Area:



正解:


Explanation:
Box 1: VM1 only To restore files or folders from the recovery point, go to the virtual machine and choose the desired recovery point.
Box 2: A new Azure virtual machine only
On the Restore configuration blade, you have two choices:
- Create virtual machine
- Restore disks
References: https://docs.microsoft.com/en-us/azure/backup/backup-azure-restore-files-from-vm
https://docs.microsoft.com/en-us/azure/backup/backup-azure-arm-restore-vms

Question No : 12
You have an Azure subscription that contains a virtual machine named VM1. VM1 hosts a line-of-business application that is available 24 hours a day. VM1 has one network interface and one managed disk. VM1 uses the D4s v3 size.
You plan to make the following changes to VM1:
- Change the size to D8s v3.
- Add a 500-GB managed disk.
- Add the Puppet Agent extension.
- Attach an additional network interface.
Which change will cause downtime for VM1?

正解:
Explanation:
While resizing the VM it must be in a stopped state.
References: https://azure.microsoft.com/en-us/blog/resize-virtual-machines/

Question No : 13
You plan to automate the deployment of a virtual machine scale set that uses the Windows Server 2016 Datacenter image.
You need to ensure that when the scale set virtual machines are provisioned, they have web server components installed.
Which two actions should you perform? Each correct answer presents part of the solution. NOTE Each correct selection is worth one point.

正解:
Explanation:
Virtual Machine Scale Sets can be used with the Azure Desired State Configuration (DSC) extension handler. Virtual machine scale sets provide a way to deploy and manage large numbers of virtual machines, and can elastically scale in and out in response to load. DSC is used to configure the VMs as they come online so they are running the production software.
References: https://docs.microsoft.com/en-us/azure/virtual-machine-scale-sets/virtual-machine-scale-sets­dsc

Question No : 14
You have an Azure subscription named Subscription1. Subscription1 contains a virtual machine named VM1.
You have a computer named Computer1 that runs Windows 10. Computer1 is connected to the Internet.
You add a network interface named Interface1 to VM1 as shown in the exhibit (Click the Exhibit button.)




From Computer1, you attempt to connect to VM1 by using Remote Desktop, but the connection fails.
You need to establish a Remote Desktop connection to VM1.
What should you do first?

正解:
Explanation:
Incorrect Answers:
B: The network interface has already been added to VM.
C: The Outbound rules are fine.
D: The inbound rules are fine. Port 3389 is used for Remote Desktop.
Note: Rules are processed in priority order, with lower numbers processed before higher numbers, because lower numbers have higher priority. Once traffic matches a rule, processing stops. As a result, any rules that exist with lower priorities (higher numbers) that have the same attributes as rules with higher priorities are not processed.
References: https://docs.microsoft.com/en-us/azure/virtual-network/security- Overview

Question No : 15
HOTSPOT
You have an Azure subscription named Subscription1. You plan to deploy an Ubuntu Server virtual machine named VM1 to Subscription1. You need to perform a custom deployment of the virtual machine. A specific trusted root certification authority (CA) must be added during the deployment.
What should you do? To answer, select the appropriate options in the answer area. NOTE: Each correct selection is worth one point.



正解:


Explanation:
Box 1: Unattend.xml
In preparation to deploy shielded VMs, you may need to create an operating system specialization answer file. On Windows, this is commonly known as the "unattend.xml" file. The New-ShieldingDataAnswerFile Windows PowerShell function helps you do this. Starting with Windows Server version 1709, you can run certain Linux guest OSes in shielded VMs. If you are using the System Center Virtual Machine Manager Linux agent to specialize those VMs, the New-ShieldingDataAnswerFile cmdlet can create compatible answer files for it.
Box 2: The Azure Portal
You can use the Azure portal to deploy a Linux virtual machine (VM) in Azure that runs Ubuntu.
References: https://docs.microsoft.com/en-us/azure/virtual-machines/linux/quick-create-portal

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