Free AZ-700 Exam Braindumps (page: 15)

Page 15 of 66

You have a hub-and-spoke topology. The topology includes multiple on-premises locations that connect to a hub virtual network in Azure via ExpressRoute circuits.
You have an Azure Application Gateway named GW1 that provides a single point of ingress from the internet.
You plan to migrate the hub-and-spoke topology to Azure Virtual WAN.
You need to identify which changes must be applied to the existing topology. The solution must ensure that you maintain a single point of ingress from the internet.
Which three changes should you include in the solution? Each correct answer presents part of the solution.
NOTE: Each correct selection is worth one point.

  1. Add user-defined routes.
  2. Add virtual network peerings.
  3. Replace the user-defined routes used by the current topology.
  4. Create virtual network connections.
  5. Remove the existing virtual network peerings.
  6. Redeploy GW1.

Answer(s): C,D,E

Explanation:

Transition connectivity to virtual WAN hub:
Step 1. (E) Delete the existing peering connections from Spoke virtual networks to the old customer-managed hub. Access to applications in spoke virtual networks is unavailable until steps 1-3 are complete.
Step 2. (D) Connect the spoke virtual networks to the Virtual WAN hub via VNet connections.
Step 3. (C) Remove any user-defined routes (UDR) previously used within spoke virtual networks for spoke-to-spoke communications. This path is now enabled by dynamic routing available within the Virtual WAN hub.


Reference:

https://docs.microsoft.com/en-us/azure/virtual-wan/migrate-from-hub-spoke-topology



You have an application named App1 that listens for incoming requests on a preconfigured group of 50 TCP ports and UDP ports.
You install App1 on 10 Azure virtual machines.
You need to implement load balancing for App1 across all the virtual machines. The solution must minimize the number of load balancing rules.
What should you include in the solution?

  1. Azure Application Gateway V2 that has multiple listeners
  2. Azure Standard Load Balancer that has Floating IP enabled
  3. Azure Standard Load Balancer that has high availability (HA) ports enabled
  4. Azure Application Gateway v2 that has multiple site hosting enabled

Answer(s): C

Explanation:

Azure Application Gateway is limited to 100 active listeners that are routing traffic. Active listeners = total number of listeners - listeners not active.
If a default configuration inside a routing rule is set to route traffic (for example, it has a listener, a backend pool, and HTTP settings) then that also counts as a listener.
Note: Azure Application Gateway is a web traffic load balancer that enables you to manage traffic to your web applications.
Application Gateway can make routing decisions based on additional attributes of an HTTP request, for example URI path or host headers. This type of routing is known as application layer (OSI layer 7) load balancing.
Incorrect:
Not B: Floating IP. Some application scenarios prefer or require the same port to be used by multiple application instances on a single VM in the backend pool.
Common examples of port reuse include:
clustering for high availability
network virtual appliances
exposing multiple TLS endpoints without re-encryption.
Not D: Multiple site hosting enables you to configure more than one web application on the same port of application gateways using public-facing listeners. It allows you to configure a more efficient topology for your deployments by adding up to 100+ websites to one application gateway. Each website can be directed to its own backend pool.


Reference:

https://github.com/MicrosoftDocs/azure-docs/blob/main/includes/application-gateway-limits.md



DRAG DROP (Drag and Drop is not supported) (Drag and Drop is not supported)
You register a DNS domain with a third-party registrar.
You need to host the DNS zone on Azure.
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.
Select and Place:

  1. See Explanation section for answer.

Answer(s): A

Explanation:


Step 1: Create a public DNS zone.
Create a DNS zone
1. Go to the Azure portal to create a DNS zone. Search for and select DNS zones.

2. Select Create DNS zone.
3. On the Create DNS zone page, enter the following values, and then select Create.
Step 2: Identify the FQDNs of the name servers.
Retrieve name servers.
Before you can delegate your DNS zone to Azure DNS, you need to know the name servers for your zone. Azure DNS gives name servers from a pool each time a zone is created.
With the DNS zone created, in the Azure portal Favorites pane, select All resources. On the All resources page, select your DNS zone. If the subscription you've selected already has several resources in it, you can enter your domain name in the Filter by name box to easily access the application gateway.
Retrieve the name servers from the DNS zone page. In this example, the zone contoso.net has been assigned name servers ns1-01.azure-dns.com, ns2
01.azure-dns.net, *ns3-01.azure-dns.org, and ns4-01.azure-dns.info:

Azure DNS automatically creates authoritative NS records in your zone for the assigned name servers.
Step 3: Modify the NS records for the domain.
Delegate the domain
Once the DNS zone gets created and you have the name servers, you'll need to update the parent domain with the Azure DNS name servers.
Each registrar has its own DNS management tools to change the name server records for a domain.
1. In the registrar's DNS management page, edit the NS records and replace the NS records with the Azure DNS name servers.
2. When you delegate a domain to Azure DNS, you must use the name servers that Azure DNS provides. Use all four name servers, regardless of the name of your domain. Domain delegation doesn't require a name server to use the same top-level domain as your domain.


Reference:

https://docs.microsoft.com/en-us/azure/dns/dns-delegate-domain-azure-dns



HOTSPOT (Drag and Drop is not supported) (Drag and Drop is not supported)
You have the network topology shown in the Topology exhibit. (Click the Topology tab.)
You have the Azure firewall shown in the Firewall1 exhibit. (Click the Firewall1 tab.)
You have the route table shown in the RouteTable1 exhibit. (Click the RouteTable1 tab.)
For each of the following statements, select Yes if the statement is true. Otherwise, select No.
NOTE: Each correct selection is worth one point.
Hot Area:



  1. See Explanation section for answer.

Answer(s): A

Explanation:


Box 1: Yes
Resources in Subnet1 will use the Route2 and its Next hop ID address to the Firewall to reach the Internet.
Box 2: Yes
Yes, with network network peering.
Box 3: No
Resources in Subnet2 can only reach resources in Subnet1, as gateway transit for virtual network peering has not been configured.


Reference:

https://docs.microsoft.com/en-us/azure/virtual-network/virtual-networks-udr-overview https://docs.microsoft.com/en-us/azure/vpn-gateway/vpn-gateway-peering-gateway-transit



Page 15 of 66



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Rond65 commented on August 25, 2023
There are two questions, question 1 and question 2 stating the same "You need to configure the default route on Vnet2 and Vnet3. The solution must meet the virtual networking requirements. What should you use to configure the default route? Each question show a different answer! One states 'BGP route exchange' and the other answer is 'a user-defined route assigned to GatewaySubnet in Vnet1'. I don't think either of these answers are correct. I think the user-defined route should be assigned to GatewaySubnet in Vnet2 and Vnet3. Anyone have any ideas on this?
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For Question #28, it states that "You have an Azure subscription that contains a virtual network named Vnet1 and an Azure SQL database named SQL1. SQL1 has a private endpoint on Vnet1." However, on of the answers is to create a private endpoint in Vnet1. Why would a private endpoint need to be created, when one already exists?
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Question #3 refers to VNET4 and VNET5. However, there is no VNET5 listed in the Case Study (testlet 2).
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