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Microsoft AZ-305 Practice Test 84

Question 830

An architecture proposal for hub-and-spoke peering topology relies on the following approach: Place every VNet into one flat address range with overlapping subnets. Which specific failure or mismatch should the design reviewer identify?

  1. Address overlaps complicate or prevent VNet peering and route distinction.
  2. Nontransitive VNet peering does not create a full routing mesh.
  3. RBAC management privilege does not replace network firewall rules.
  4. Overlap prevents straightforward routed reachability and scaling.

Explanation

Correct Answer

D:

Place every VNet into one flat address range with overlapping subnets. Overlap prevents straightforward routed reachability and scaling.

Incorrect Answers

A:

That assessment refers to the separate proposal 'Reuse the same RFC1918 subnet in every VNet and assume peering resolves it.' not to the recommendation under review. Here, Overlap prevents straightforward routed reachability and scaling.

B:

That assessment refers to the separate proposal 'Assume A-B and B-C peering automatically create A-C transit.' not to the recommendation under review. Here, Overlap prevents straightforward routed reachability and scaling.

C:

This concern applies to Grant the source VM Owner rights to bypass an IP firewall denial. in another design network solutions design. The current proposal specifically fails because overlap prevents straightforward routed reachability and scaling.

Question 831

Acceptance testing must establish the following operational result: Routing output demonstrates the intended topology. Which verification action most directly establishes that outcome?

  1. Correlate source/destination packet test with the firewall's rule hit.
  2. Test spoke-to-hub paths and verify effective routes.
  3. Validate VNet CIDRs against on-premises and planned regions.
  4. Trace traffic between two spokes and inspect user-defined routes.

Explanation

Correct Answer

B:

Routing output demonstrates the intended topology.

Incorrect Answers

A:

This is a test for An internal firewall rule logs denied traffic that network operators cannot explain. The requirement here is instead demonstrated by test spoke-to-hub paths and verify effective routes.

C:

That verification addresses the different requirement: A company plans IP ranges for 60 VNets across regions and must avoid future address conflicts. It does not directly establish routing output demonstrates the intended topology.

D:

That verification addresses the different requirement: Two VNets are peered but spokes cannot transit through each other automatically. It does not directly establish routing output demonstrates the intended topology.

Question 832

Two VNets are peered but spokes cannot transit through each other automatically. Which Azure architecture choice best meets this requirement?

  1. Assume A-B and B-C peering automatically create A-C transit.
  2. Configure supported hub transit architecture using appropriate gateway transit or an NVA.
  3. Reuse the same RFC1918 subnet in every VNet and assume peering resolves it.
  4. Place every VNet into one flat address range with overlapping subnets.

Explanation

Correct Answer

B:

Peering is not inherently transitive for arbitrary spoke-to-spoke routing.

Incorrect Answers

A:

Nontransitive VNet peering does not create a full routing mesh. This proposal contradicts the stated architecture constraint.

C:

Address overlaps complicate or prevent VNet peering and route distinction. In the present requirement, two VNets are peered but spokes cannot transit through each other automatically. The needed design instead works because peering is not inherently transitive for arbitrary spoke-to-spoke routing.

D:

Overlap prevents straightforward routed reachability and scaling. In the present requirement, two VNets are peered but spokes cannot transit through each other automatically. The needed design instead works because peering is not inherently transitive for arbitrary spoke-to-spoke routing.

Question 833

An architecture proposal for hub-and-spoke peering topology relies on the following approach: Assume A-B and B-C peering automatically create A-C transit. Which specific failure or mismatch should the design reviewer identify?

  1. Address overlaps complicate or prevent VNet peering and route distinction.
  2. Public Internet transport lacks the same connectivity isolation characteristics.
  3. Overlap prevents straightforward routed reachability and scaling.
  4. Nontransitive VNet peering does not create a full routing mesh.

Explanation

Correct Answer

D:

Assume A-B and B-C peering automatically create A-C transit. Nontransitive VNet peering does not create a full routing mesh.

Incorrect Answers

A:

That assessment refers to the separate proposal 'Reuse the same RFC1918 subnet in every VNet and assume peering resolves it.' not to the recommendation under review. Here, Nontransitive VNet peering does not create a full routing mesh.

B:

This concern applies to Treat a public HTTPS connection as a carrier private circuit. in another design network solutions design. The current proposal specifically fails because nontransitive VNet peering does not create a full routing mesh.

C:

That assessment refers to the separate proposal 'Place every VNet into one flat address range with overlapping subnets.' not to the recommendation under review. Here, Nontransitive VNet peering does not create a full routing mesh.

Question 834

Acceptance testing must establish the following operational result: Effective path verification proves transit was deliberately configured. Which verification action most directly establishes that outcome?

  1. Validate VNet CIDRs against on-premises and planned regions.
  2. Test spoke-to-hub paths and verify effective routes.
  3. Trace traffic between two spokes and inspect user-defined routes.
  4. Inspect BGP peering and route reachability across the provisioned circuit.

Explanation

Correct Answer

C:

Effective path verification proves transit was deliberately configured.

Incorrect Answers

A:

That verification addresses the different requirement: A company plans IP ranges for 60 VNets across regions and must avoid future address conflicts. It does not directly establish effective path verification proves transit was deliberately configured.

B:

That verification addresses the different requirement: Several app VNets need controlled access to shared DNS and firewall services. It does not directly establish effective path verification proves transit was deliberately configured.

D:

This is a test for A financial company needs predictable private connectivity from on-premises to Azure through a carrier. The requirement here is instead demonstrated by trace traffic between two spokes and inspect user-defined routes.

Question 835

A company plans IP ranges for 60 VNets across regions and must avoid future address conflicts. Which Azure architecture choice best meets this requirement?

  1. Reuse the same RFC1918 subnet in every VNet and assume peering resolves it.
  2. Assume A-B and B-C peering automatically create A-C transit.
  3. Place every VNet into one flat address range with overlapping subnets.
  4. Allocate nonoverlapping CIDR blocks with central IP address management.

Explanation

Correct Answer

D:

Peering and hybrid routing depend on unique address spaces.

Incorrect Answers

A:

Address overlaps complicate or prevent VNet peering and route distinction. This proposal contradicts the stated architecture constraint.

B:

Nontransitive VNet peering does not create a full routing mesh. In the present requirement, a company plans IP ranges for 60 VNets across regions and must avoid future address conflicts. The needed design instead works because peering and hybrid routing depend on unique address spaces.

C:

Overlap prevents straightforward routed reachability and scaling. In the present requirement, a company plans IP ranges for 60 VNets across regions and must avoid future address conflicts. The needed design instead works because peering and hybrid routing depend on unique address spaces.

Question 836

An architecture proposal for hub-and-spoke peering topology relies on the following approach: Reuse the same RFC1918 subnet in every VNet and assume peering resolves it. Which specific failure or mismatch should the design reviewer identify?

  1. Front Door's HTTP delivery model is not a general TCP load balancer.
  2. Nontransitive VNet peering does not create a full routing mesh.
  3. Address overlaps complicate or prevent VNet peering and route distinction.
  4. Overlap prevents straightforward routed reachability and scaling.

Explanation

Correct Answer

C:

Reuse the same RFC1918 subnet in every VNet and assume peering resolves it. Address overlaps complicate or prevent VNet peering and route distinction.

Incorrect Answers

A:

This concern applies to Use Front Door HTTP routing as if it supports arbitrary private TCP protocols. in another design network solutions design. The current proposal specifically fails because address overlaps complicate or prevent VNet peering and route distinction.

B:

That assessment refers to the separate proposal 'Assume A-B and B-C peering automatically create A-C transit.' not to the recommendation under review. Here, Address overlaps complicate or prevent VNet peering and route distinction.

D:

That assessment refers to the separate proposal 'Place every VNet into one flat address range with overlapping subnets.' not to the recommendation under review. Here, Address overlaps complicate or prevent VNet peering and route distinction.

Question 837

Acceptance testing must establish the following operational result: Address inventory catches conflicts before deployment. Which verification action most directly establishes that outcome?

  1. Trace traffic between two spokes and inspect user-defined routes.
  2. Exercise a TCP connection and simulate a backend failure.
  3. Test spoke-to-hub paths and verify effective routes.
  4. Validate VNet CIDRs against on-premises and planned regions.

Explanation

Correct Answer

D:

Address inventory catches conflicts before deployment.

Incorrect Answers

A:

That verification addresses the different requirement: Two VNets are peered but spokes cannot transit through each other automatically. It does not directly establish address inventory catches conflicts before deployment.

B:

This is a test for A non-HTTP TCP application needs regional private load distribution among backend VMs. The requirement here is instead demonstrated by validate VNet CIDRs against on-premises and planned regions.

C:

That verification addresses the different requirement: Several app VNets need controlled access to shared DNS and firewall services. It does not directly establish address inventory catches conflicts before deployment.

Question 838

A branch must connect to one Azure VNet over the public internet with encryption. Which Azure architecture choice best meets this requirement?

  1. Configure ExpressRoute without any carrier circuit and call it an internet VPN.
  2. Deploy one tunnel over one power and ISP failure domain and call it resilient.
  3. Use Azure VPN Gateway with a compatible site-to-site IPsec connection.
  4. Build a site-to-site tunnel from every individual laptop as a branch router.

Explanation

Correct Answer

C:

S2S VPN provides an encrypted tunnel between network gateways.

Incorrect Answers

A:

ExpressRoute requires a supported private circuit and separate provisioning. This proposal contradicts the stated architecture constraint.

B:

A single transport path remains a critical dependency. In the present requirement, a branch must connect to one Azure VNet over the public internet with encryption. The needed design instead works because s2S VPN provides an encrypted tunnel between network gateways.

D:

S2S is not the normal per-user remote access model. In the present requirement, a branch must connect to one Azure VNet over the public internet with encryption. The needed design instead works because s2S VPN provides an encrypted tunnel between network gateways.

Question 839

An architecture proposal for site-to-site and point-to-site vpn relies on the following approach: Configure ExpressRoute without any carrier circuit and call it an internet VPN. Which specific failure or mismatch should the design reviewer identify?

  1. ExpressRoute requires a supported private circuit and separate provisioning.
  2. A single transport path remains a critical dependency.
  3. A regional private Layer 4 endpoint cannot provide global HTTP edge routing.
  4. S2S is not the normal per-user remote access model.

Explanation

Correct Answer

A:

Configure ExpressRoute without any carrier circuit and call it an internet VPN. ExpressRoute requires a supported private circuit and separate provisioning.

Incorrect Answers

B:

That assessment refers to the separate proposal 'Deploy one tunnel over one power and ISP failure domain and call it resilient.' not to the recommendation under review. Here, ExpressRoute requires a supported private circuit and separate provisioning.

C:

This concern applies to Use a single regional internal Load Balancer as the public worldwide failover layer. in another design network solutions design. The current proposal specifically fails because expressRoute requires a supported private circuit and separate provisioning.

D:

That assessment refers to the separate proposal 'Build a site-to-site tunnel from every individual laptop as a branch router.' not to the recommendation under review. Here, ExpressRoute requires a supported private circuit and separate provisioning.

Question 840

Acceptance testing must establish the following operational result: Tunnel state and routes verify the site connection. Which verification action most directly establishes that outcome?

  1. Disable a region's origin and test global service reachability.
  2. Establish the tunnel and test protected private IP reachability.
  3. Drop a test ISP link and observe VPN tunnel rerouting.
  4. Test a client authentication and a permitted private address route.

Explanation

Correct Answer

B:

Tunnel state and routes verify the site connection.

Incorrect Answers

A:

This is a test for A multi-region HTTP service needs one global entry point with edge WAF and origin failover. The requirement here is instead demonstrated by establish the tunnel and test protected private IP reachability.

C:

That verification addresses the different requirement: A critical branch cannot lose Azure connectivity when one ISP circuit fails. It does not directly establish tunnel state and routes verify the site connection.

D:

That verification addresses the different requirement: Remote employees need individually authenticated access to private Azure networks. It does not directly establish tunnel state and routes verify the site connection.

Designing Microsoft Azure Infrastructure Solutions (AZ-305) Practice Tests