AZ-104 : Microsoft Azure Administrator Certification dumps - - Page 34
1. You have two Azure virtual networks named VNet1 and VNet2. VNet1 contains an Azure virtual machine named VM1. VNet2 contains an Azure virtual machine named VM2. VM1 hosts a frontend application that connects to VM2 to retrieve data. Users report that the frontend application is slower than usual. You need to view the average round-trip time (RTT) of the packets from VM1 to VM2. Which Azure Network Watcher feature should you use?
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Option A: IP flow verify
Option B: Connection troubleshoot
Option C: Connection monitor
Option D: NSG flow logs
Answer(s): 3
Explanation: The connection monitor capability monitors communication at a regular interval and informs you of reachability, latency, and network topology changes between the VM and the endpoint Incorrect Answers: A: The IP flow verify capability enables you to specify a source and destination IPv4 address, port, protocol (TCP or UDP), and traffic direction (inbound or outbound). IP flow verify then tests the communication and informs you if the connection succeeds or fails. If the connection fails, IP flow verify tells you which security rule allowed or denied the communication, so that you can resolve the problem. B: The connection troubleshoot capability enables you to test a connection between a VM and another VM, an FQDN, a URI, or an IPv4 address. The test returns similar information returned when using the connection monitor capability, but tests the connection at a point in time, rather than monitoring it over time, as connection monitor does. D: The NSG flow log capability allows you to log the source and destination IP address, port, protocol, and whether traffic was allowed or denied by an NSG.
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2. HOTSPOT (Drag and Drop is not supported) You have an Azure subscription that contains the public load balancers shown in the following table. You plan to create six virtual machines and to load balance requests to the virtual machines. Each load balancer will load balance three virtual machines. You need to create the virtual machines for the planned solution. Hot Area:
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Option A: See Explanation section for answer.
Answer(s): 1
Explanation: Box 1: be created in the same availability set or virtual machine scale set. The Basic tier is quite restrictive. A load balancer is restricted to a single availability set, virtual machine scale set, or a single machine. Box 2: be connected to the same virtual network The Standard tier can span any virtual machine in a single virtual network, including blends of scale sets, availability sets, and machines.
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3. HOTSPOT (Drag and Drop is not supported) You have an on-premises data center and an Azure subscription. The data center contains two VPN devices. The subscription contains an Azure virtual network named VNet1. VNet1 contains a gateway subnet. You need to create a site-to-site VPN. The solution must ensure that if a single instance of an Azure VPN gateway fails, or a single on-premises VPN device fails, the failure will not cause an interruption that is longer than two minutes. What is the minimum number of public IP addresses, virtual network gateways, and local network gateways required in Azure? To answer, select the appropriate options in the answer area. NOTE: Each correct selection is worth one point. Hot Area:
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Option A: See Explanation section for answer.
Answer(s): 1
Explanation: Box 1: 4 Two public IP addresses in the on-premises data center, and two public IP addresses in the VNET. The most reliable option is to combine the active-active gateways on both your network and Azure, as shown in the diagram below. Box 2: 2 Every Azure VPN gateway consists of two instances in an active-standby configuration. For any planned maintenance or unplanned disruption that happens to the active instance, the standby instance would take over (failover) automatically, and resume the S2S VPN or VNet-to-VNet connections. Box 3: 2 Dual-redundancy: active-active VPN gateways for both Azure and on-premises networks
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4. You have an Azure subscription that contains two virtual machines as shown in the following table. You perform a reverse DNS lookup for 10.0.0.4 from VM2. Which FQDN will be returned?
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Option A: vm1.core.windows.net
Option B: vm1.azure.com
Option C: vm1.westeurope.cloudapp.azure.com
Option D: vm1.internal.cloudapp.net
Answer(s): 4
Explanation: https://learn.microsoft.com/en-us/azure/virtual-network/virtual-networks-name-resolution-for-vms-and-role-instances#reverse-dns-considerations
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