Question 270
During an Azure networking rollout, the team must resolve both of these conditions. An administrator creates a private endpoint to Azure SQL but leaves public network access open and declares all public ingress eliminated. A storage private endpoint receives an approved connection but a web app still connects to the storage public IP. Which response best addresses these needs?
- Provide private endpoint instances or supported network connectivity for each consumer VNet, with matching DNS resolution; Fix the application's DNS resolution path so the service hostname resolves to the correct private endpoint address.
- Fix the application's DNS resolution path so the service hostname resolves to the correct private endpoint address; do not review and restrict the SQL service's public network access independently from the private endpoint connection.
- Review and restrict the SQL service's public network access independently from the private endpoint connection; Fix the application's DNS resolution path so the service hostname resolves to the correct private endpoint address.
- Review and restrict the SQL service's public network access independently from the private endpoint connection; create an Azure private endpoint for the required storage subresource and configure private name resolution.
Explanation
Correct Answer
C:Adding a private path does not automatically turn off the service's separately configured public endpoint. Private endpoint routing depends on name resolution; successful resource provisioning alone does not redirect clients. Both actions are needed.
Incorrect Answers
A:Adding a private path does not automatically turn off the service's separately configured public endpoint.
B:This plan leaves out a required action: Review and restrict the SQL service's public network access independently from the private endpoint connection. The remaining action alone does not satisfy the situation.
D:Private endpoint routing depends on name resolution; successful resource provisioning alone does not redirect clients.
Question 271
During an Azure networking rollout, the team must resolve both of these conditions. An on-premises firewall public address changes after an ISP migration, but the Azure VPN still targets its previous peer endpoint. A hybrid migration needs to extend a supported on-premises network into Azure while preserving IP addressing across certain workloads. What is the most appropriate plan for this situation?
- Update the local network gateway public endpoint and confirm the advertised prefixes and IKE peer configuration; align the supported IPsec/IKE policy parameters and key exchange settings across Azure and the remote appliance.
- Update and verify the on-premises prefix advertisement or static address ranges and ensure the return route exists; evaluate Azure Extended Network support, compatibility, and a tested migration topology before extending layer-2 semantics.
- Update the local network gateway public endpoint and confirm the advertised prefixes and IKE peer configuration; evaluate Azure Extended Network support, compatibility, and a tested migration topology before extending layer-2 semantics.
- Evaluate Azure Extended Network support, compatibility, and a tested migration topology before extending layer-2 semantics; do not update the local network gateway public endpoint and confirm the advertised prefixes and IKE peer configuration.
Explanation
Correct Answer
C:The local network gateway records the remote site's connection identity; an obsolete endpoint blocks tunnel negotiation. Extended network migration has platform and operational constraints distinct from conventional routed VPN connectivity. Both actions are needed.
Incorrect Answers
A:Extended network migration has platform and operational constraints distinct from conventional routed VPN connectivity.
B:The local network gateway records the remote site's connection identity; an obsolete endpoint blocks tunnel negotiation.
D:This plan leaves out a required action: Update the local network gateway public endpoint and confirm the advertised prefixes and IKE peer configuration. The remaining action alone does not satisfy the situation.
Question 272
An engineer assumes ExpressRoute traffic is automatically end-to-end encrypted because the provider connection is private. Which action best addresses this finding?
- Review the BGP advertisements and forced-tunnel policy for the circuit and use intended prefix filters.
- Evaluate Bidirectional Forwarding Detection where supported to accelerate detection of affected ExpressRoute routing paths.
- Evaluate supported encryption overlays or MACsec options according to the threat model and physical circuit capabilities.
- Select the correct ExpressRoute circuit SKU or add supported regional circuits based on the target geopolitical reach.
Explanation
Correct Answer
C:Private transport and cryptographic confidentiality are separate assurances.
Incorrect Answers
A:Here, private transport and cryptographic confidentiality are separate assurances.
B:Evaluating Bidirectional Forwarding Detection where supported to accelerate detection of affected ExpressRoute routing paths would not meet the need for supported encryption overlays or MACsec options according to the threat model and physical circuit capabilities.
D:Selecting the correct ExpressRoute circuit SKU or add supported regional circuits based on the target geopolitical reach would not meet the need for supported encryption overlays or MACsec options according to the threat model and physical circuit capabilities.
Question 273
An inbound DNS Private Resolver endpoint can be pinged from Azure, yet on-premises clients cannot send DNS queries over their VPN. Which response best addresses this Azure networking scenario?
- Reconcile the deployed inbound endpoint address with the DNS forwarder targets and test queries end to end.
- Configure the custom resolver to forward the relevant private namespace through a supported Azure resolution path.
- Check private routing, UDP and TCP port 53 access, and the conditional forwarder target for the resolver inbound address.
- Verify that the forwarding ruleset is linked to the new VNet and that its suffix matches the intended DNS queries.
Explanation
Correct Answer
C:ICMP reachability is not evidence that DNS packets and responses traverse the hybrid network path.
Incorrect Answers
A:The forwarding target must be reachable and current after endpoint changes; old private resolver IPs are not aliases. ICMP reachability is not evidence that DNS packets and responses traverse the hybrid network path.
B:Custom DNS server selection can bypass Azure private-zone resolution unless the namespace is explicitly forwarded. ICMP reachability is not evidence that DNS packets and responses traverse the hybrid network path.
D:DNS resolver forwarding policies do not automatically apply to newly connected VNets without the right ruleset link. ICMP reachability is not evidence that DNS packets and responses traverse the hybrid network path.
Question 274
A virtual hub receives many site-to-site VPN connections and the operator chooses its gateway capacity using only the number of VNets. What should the Azure network engineer do?
- Inspect Virtual WAN route-table associations and route propagation settings for each connection.
- Use a supported Virtual WAN hub NVA integration model and validate partner appliance prerequisites.
- Select suitable VPN gateway scale units using aggregate bandwidth and supported connection limits.
- Review available secured virtual hub, firewall and routing-intent configurations for the target traffic flows.
Explanation
Correct Answer
C:Virtual hub gateway scaling is based on capacity and connectivity rather than the VNet count alone.
Incorrect Answers
A:Here, virtual hub gateway scaling is based on capacity and connectivity rather than the VNet count alone.
B:For this finding, virtual hub gateway scaling is based on capacity and connectivity rather than the VNet count alone.
D:For this question, virtual hub gateway scaling is based on capacity and connectivity rather than the VNet count alone.
Question 275
During an Azure networking rollout, the team must resolve both of these conditions. A private peering setup works for one site but two sites advertise the same RFC1918 prefix and traffic selects the wrong return path. A customer enables ExpressRoute resiliency but never checks the provider circuit's secondary BGP session, leaving a single point of route failure. Which course of action addresses the stated issues?
- Run a staged routing cutover with application session tests and a documented rollback and convergence window; Monitor and validate both provider path BGP sessions and test a deliberate failover.
- Monitor and validate both provider path BGP sessions and test a deliberate failover; do not Resolve duplicate advertisements or redesign site IP space before connecting both sites to the ExpressRoute environment.
- Resolve duplicate advertisements or redesign site IP space before connecting both sites to the ExpressRoute environment; Monitor and validate both provider path BGP sessions and test a deliberate failover.
- Resolve duplicate advertisements or redesign site IP space before connecting both sites to the ExpressRoute environment; verify the circuit's reach and eligible VNet connection limits before choosing a multi-region topology.
Explanation
Correct Answer
C:Private peering cannot reliably identify the intended location when separate sites publish the same prefix. Documented redundancy is ineffective if one BGP peer is already down before an incident. Both actions are needed.
Incorrect Answers
A:Private peering cannot reliably identify the intended location when separate sites publish the same prefix.
B:This plan leaves out a required action: Resolve duplicate advertisements or redesign site IP space before connecting both sites to the ExpressRoute environment. The remaining action alone does not satisfy the situation.
D:Documented redundancy is ineffective if one BGP peer is already down before an incident.
Question 276
During an Azure networking rollout, the team must resolve both of these conditions. An Azure VM needs emergency administration without any public IP or an always-open internet-facing RDP rule. After an address-space change, security staff cannot explain which NSG rule denied a particular traffic flow captured overnight. Which response best addresses these needs?
- Use supported virtual network flow logs and targeted query or analysis to correlate observed denied flows with effective policy; do not deploy Azure Bastion using its required subnet and authorize administrative access through that supported service.
- Deploy Azure Bastion using its required subnet and authorize administrative access through that supported service; use Network Watcher IP flow verify with the precise source, destination, protocol, and ports.
- Remove broad inbound management exposure and use Bastion or a tightly controlled trusted administrative path; use supported virtual network flow logs and targeted query or analysis to correlate observed denied flows with effective policy.
- Deploy Azure Bastion using its required subnet and authorize administrative access through that supported service; use supported virtual network flow logs and targeted query or analysis to correlate observed denied flows with effective policy.
Explanation
Correct Answer
D:Azure Bastion permits managed browser or client sessions to private VM addresses without exposing an RDP public listener. Historical flow records provide activity evidence that current configuration alone may not retain. Both actions are needed.
Incorrect Answers
A:This plan leaves out a required action: Deploy Azure Bastion using its required subnet and authorize administrative access through that supported service. The remaining action alone does not satisfy the situation.
B:Historical flow records provide activity evidence that current configuration alone may not retain.
C:Azure Bastion permits managed browser or client sessions to private VM addresses without exposing an RDP public listener.
Question 277
Operations adds new sites without monitoring hub gateway health, and users report delayed recognition of a partial regional failure. Which action best addresses this finding?
- Validate routing intent or policy and connection associations so intended flows consistently traverse the supported inspection point.
- Verify supported inter-hub connectivity and Virtual WAN association rather than relying on shared resource-group membership.
- Configure relevant Virtual WAN hub and gateway metrics with actionable connectivity and route-health alerts.
- Map effective routes to Virtual WAN hub tables, connection associations, and policy before performing a staged migration.
Explanation
Correct Answer
C:A managed WAN design still needs monitoring of ingress, hub routing and active connections.
Incorrect Answers
A:Inspection coverage depends on the effective transit path through the hub, not on the appliance being registered. A managed WAN design still needs monitoring of ingress, hub routing and active connections.
B:Azure resource-group placement is administrative and does not establish network transit. A managed WAN design still needs monitoring of ingress, hub routing and active connections.
D:Virtual WAN does not have the same per-spoke hub routing implementation as a custom VNet hub. A managed WAN design still needs monitoring of ingress, hub routing and active connections.
Question 278
A public application behind Azure Firewall unexpectedly fails after IP translation because a team configures only a DNAT mapping and ignores the effective return route. Which response most directly resolves the issue?
- Align the documented DNS proxy and resolver settings and validate consistent destination resolution.
- Analyze Azure Firewall flow logs and replace the broad rule with approved narrower application or network rules.
- Validate DNAT rule translation and bidirectional routing or SNAT expectations for the complete session.
- Verify rule collection group and collection priorities and the documented processing order before rollout.
Explanation
Correct Answer
C:Address translation alone does not ensure symmetric reachability to and from a backend application.
Incorrect Answers
A:Aligning the documented DNS proxy and resolver settings and validating consistent destination resolution would not validate DNAT rule translation and bidirectional routing or SNAT expectations for the complete session.
B:Here, address translation alone does not ensure symmetric reachability to and from a backend application.
D:Verifying rule collection group and collection priorities and the documented processing order would not validate DNAT rule translation and bidirectional routing or SNAT expectations for the complete session.
Question 279
A forced-tunneling design sends everything through an on-premises firewall, but Azure platform dependencies unexpectedly lose connectivity. Which response best addresses this Azure networking scenario?
- Associate an appropriate route table with a spoke subnet and direct the approved default route to the appliance's valid next hop.
- Validate required service-specific routing exceptions and forced-tunnel support before applying the default-route policy broadly.
- Enable supported IP forwarding on the appliance network interface and within its operating system, then test both directions.
- Inspect effective routes on the affected network interfaces and compare system, BGP, and user-defined entries.
Explanation
Correct Answer
B:Forced tunneling must account for platform control paths and documented service exceptions, not just user traffic.
Incorrect Answers
A:Associate an appropriate route table with a spoke subnet would not validate required service-specific routing exceptions and forced-tunnel support.
C:Enabling supported IP forwarding on the appliance network interface and within its operating system, then test both directions would not validate required service-specific routing exceptions and forced-tunnel support.
D:Here, forced tunneling must account for platform control paths and documented service exceptions, not just user traffic.
Question 280
Two Azure VNets in different subscriptions need low-latency private connectivity, but the design proposes a separate site-to-site VPN between them. A spoke peered to a hub needs to reach on-premises through the hub VPN gateway, but gateway transit options are not configured. What is the most appropriate plan for this situation?
- Use VNet peering with verified permissions and nonoverlapping ranges when private Microsoft backbone connectivity meets the requirement; enable gateway transit on the hub peering and use remote gateways on eligible spokes subject to gateway design rules.
- Use VNet peering with verified permissions and nonoverlapping ranges when private Microsoft backbone connectivity meets the requirement; design explicit connectivity or approved transit routing because VNet peering does not inherently provide A-to-C transitivity.
- Renumber or redesign the conflicting address spaces before creating peering between the two VNets; enable gateway transit on the hub peering and use remote gateways on eligible spokes subject to gateway design rules.
- Enable gateway transit on the hub peering and use remote gateways on eligible spokes subject to gateway design rules; do not use VNet peering with verified permissions and nonoverlapping ranges when private Microsoft backbone connectivity meets the requirement.
Explanation
Correct Answer
A:VNet peering can directly connect eligible VNets without adding a VPN tunnel and its operational complexity. Ordinary peering does not automatically permit a spoke to consume a hub's virtual network gateway. Both actions are needed.
Incorrect Answers
B:Ordinary peering does not automatically permit a spoke to consume a hub's virtual network gateway.
C:VNet peering can directly connect eligible VNets without adding a VPN tunnel and its operational complexity.
D:This plan leaves out a required action: Use VNet peering with verified permissions and nonoverlapping ranges when private Microsoft backbone connectivity meets the requirement. The remaining action alone does not satisfy the situation.
Designing and Implementing Microsoft Azure Networking Solutions (AZ-700) Practice Tests