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AZURE Networking Practice Exam with Answers (37 Solved Questions)

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    AZURE Networking Practice Exam with Answers (37 Solved Questions), page 1AZURE NETWORKING QUESTIONSAND CORRECT ANSWERSAzure Virtual Networks (VNets)--answer-the fundamental building block of your privatenetwork in Azure. enable you to build complex virtual networks that are similar to an on-premises network, with additional benefits of Azure infrastructure such as scale,availability, and isolation.Each one you create has its own CIDR block and can be linked to others and on-premises networksas long as the CIDR blocks do not overlap. You also have control ofDNS server settings f and segmentation into subnets.Capabilities of Azure Virtual Networks--answer-enable resources in Azure to securelycommunicate with each other, the internet, andon-premises networksHow do VNets Communication with the internet?--answer-All resources in a VNet cancommunicate outbound to the internet, by default. You can communicate inbound to aresource by assigning a public IP address or a public Load Balancer. You can also usepublic IP or public Load Balancer to manage your outbound connections.How do Azure resource communicate with each other?--answer-There are three keymechanisms through which Azure resource can communicate: VNets, VNet serviceendpoints and VNet peering.VNets can connect VMs, ASE, AKS, and VMSS.You can use service endpoints to connect to other Azure resource types, such as AzureSQL databases and storage accounts.How do Vnets communicate with on-Prem resources?--answer-You can connect youron-premises computers and networks to a virtual network using Point-to-site virtualprivate network (VPN), Site-to-site VPN, Azure ExpressRouteHow do you filter network traffic on Azure?--answer-You can filter network trafficbetween subnets using any combination of network security groups and network virtualappliances like firewalls, gateways, proxies, and Network Address Translation (NAT)services.How do you route network traffic on Azure?--answer-Azure routes traffic betweensubnets, connected virtual networks, on-premises networks, and the Internet, by default.You can implement route tables or border gateway protocol (BGP) routes to overridethe default routes Azurecreates.8 Non-routebale address spaces--answer-10.0.0.0-10.255.255.255 (10/8 prefix)

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    AZURE Networking Practice Exam with Answers (37 Solved Questions), page 2

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    AZURE Networking Practice Exam with Answers (37 Solved Questions), page 3172.16.0.0-172.31.255.255 (172.16/12 prefix)192.168.0.0-192.168.255.255 (192.168/16 prefix)224.0.0.0/4 (Multicast)255.255.255.255/32 (Broadcast)127.0.0.0/8(Loopback)169.254.0.0/16 (Link-local)168.63.129.16/32 (Internal DNS)Azure reserves 5 IP addresses within each subnet, which are they and why?--answer-x.x.x.0: Network addressx.x.x.1: Reserved by Azure for the default gatewayx.x.x.2, x.x.x.3: Reserved by Azure to map the Azure DNS IPs to the VNet spacex.x.x.255: Network broadcast addressWhen planning to implement virtual networks, what should you consider?--answer-1.Subnetting-Ensure non-overlapping address spaces. Make sure your VNet addressspace (CIDR block) does not overlap with your organization's other network ranges.2. Security Isolation-Is any security isolation required?3. IP Address Limitation-Do you need to mitigate any IP addressing limitations?4. Hybrid Connectivity-Will there be connections between Azure VNets and on-premises networks?5. Administrative Isolation-Is there any isolation required for administrative purposes?6. Are you using any Azure services that create their own VNets?Network Security Groups--answer-an Azure resource that can contain multiple inboundand outbound security rules. You can define these rules to allow or block traffic, basedon factors such as source and destination IP address, port, and protocol.AzureAvailability Zones--answer-made up of one or more datacenters equipped withindependent power, cooling, and networkingCan you add address spaces after creating a virtual network?--answer-YesBastionHost--answer-provides secure and seamless RDP/SSHconnectivity to yourvirtual machines directly in the Azure portal over SSL. With this, your virtual machinesdo not need a public IP address.Azure Firewall--answer-managed cloud-based network security service that protectsyour Azure Virtual Networkresources

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