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Exam Code: JN0-650

Exam Name: Enterprise Routing and Switching, Professional (JNCIP-ENT)

Certification Provider: Juniper

Corresponding Certification: JNCIP-ENT

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Juniper JN0-650 Practice Test 44

Question 430

A Junos network engineer takes this step: Inspect operational MVRP registration and learned VLAN status on affected interfaces. Which outcome most directly follows?

  1. The team can identify which trunk advertised or withdrew VLAN membership.
  2. The operator can locate where the dynamic VLAN registration stops propagating.
  3. Switches can exchange VLAN registration information dynamically over the connection.
  4. Dynamic VLAN registration does not need to extend across every physical link.

Explanation

Correct Answer

A:

This is the direct result of the MVRP learned VLAN state decision: The team can identify which trunk advertised or withdrew VLAN membership.

Incorrect Answers

B:

This outcome is associated with MVRP propagation troubleshooting (Verify end-to-end MVRP participation and VLAN registration behavior on the intermediate switch.), not the specified action.

C:

This outcome is associated with MVRP automatic VLAN exchange (Use Multiple VLAN Registration Protocol on supported participating interfaces.), not the specified action.

D:

This outcome is associated with MVRP registration scope (Enable MVRP only on intended eligible trunks and bound the propagation design.), not the specified action.

Question 431

A previously available dynamic VLAN disappears after an uplink topology change and administrators must check its source. A colleague instead suggests: Verify end-to-end MVRP participation and VLAN registration behavior on the intermediate switch. Which corrective approach most directly addresses the original issue?

  1. Use Multiple VLAN Registration Protocol on supported participating interfaces.
  2. Inspect operational MVRP registration and learned VLAN status on affected interfaces.
  3. Enable MVRP only on intended eligible trunks and bound the propagation design.
  4. Verify end-to-end MVRP participation and VLAN registration behavior on the intermediate switch.

Explanation

Correct Answer

B:

This corrective choice addresses MVRP learned VLAN state. The team can identify which trunk advertised or withdrew VLAN membership.

Incorrect Answers

A:

That alternative applies to MVRP automatic VLAN exchange instead. Switches can exchange VLAN registration information dynamically over the connection.

C:

That alternative applies to MVRP registration scope instead. Dynamic VLAN registration does not need to extend across every physical link.

D:

That alternative applies to MVRP propagation troubleshooting instead. The operator can locate where the dynamic VLAN registration stops propagating.

Question 432

An enterprise network designer recommends: Inspect operational MVRP registration and learned VLAN status on affected interfaces. Which situation most clearly calls for this action?

  1. An operator wants dynamic VLAN advertisements to remain limited to a specific subset of participating switching links.
  2. Adjacent switches must advertise dynamic VLAN membership on an inter-switch connection instead of manual provisioning of every allowed VLAN.
  3. A previously available dynamic VLAN disappears after an uplink topology change and administrators must check its source.
  4. Two trunks form an intermediate switching path but dynamically learned VLANs are available only on the first link.

Explanation

Correct Answer

C:

This case requires the MVRP learned VLAN state action. The team can identify which trunk advertised or withdrew VLAN membership.

Incorrect Answers

A:

This other case would be better matched to Enable MVRP only on intended eligible trunks and bound the propagation design. Dynamic VLAN registration does not need to extend across every physical link.

B:

This other case would be better matched to Use Multiple VLAN Registration Protocol on supported participating interfaces. Switches can exchange VLAN registration information dynamically over the connection.

D:

This other case would be better matched to Verify end-to-end MVRP participation and VLAN registration behavior on the intermediate switch. The operator can locate where the dynamic VLAN registration stops propagating.

Question 433

An isolated switch requires a single fixed VLAN and there is no design requirement to discover it dynamically across trunks. Which Junos networking action or protocol decision best addresses this requirement?

  1. Enable MVRP only on intended eligible trunks and bound the propagation design.
  2. Configure the specified VLAN and trunk membership statically instead of adding MVRP complexity.
  3. Verify MVRP capability and configuration on both ends of the trunk.
  4. Use Multiple VLAN Registration Protocol on supported participating interfaces.

Explanation

Correct Answer

B:

This action addresses Static VLAN alternative. The intended VLAN can operate without a dynamic registration dependency.

Incorrect Answers

A:

That action targets MVRP registration scope: Dynamic VLAN registration does not need to extend across every physical link. It does not directly resolve the stated Static VLAN alternative requirement.

C:

That action targets MVRP neighbor support: Both switches can participate in supported VLAN registration exchanges. It does not directly resolve the stated Static VLAN alternative requirement.

D:

That action targets MVRP automatic VLAN exchange: Switches can exchange VLAN registration information dynamically over the connection. It does not directly resolve the stated Static VLAN alternative requirement.

Question 434

A Junos network engineer takes this step: Configure the specified VLAN and trunk membership statically instead of adding MVRP complexity. Which outcome most directly follows?

  1. Dynamic VLAN registration does not need to extend across every physical link.
  2. Switches can exchange VLAN registration information dynamically over the connection.
  3. The intended VLAN can operate without a dynamic registration dependency.
  4. Both switches can participate in supported VLAN registration exchanges.

Explanation

Correct Answer

C:

This is the direct result of the Static VLAN alternative decision: The intended VLAN can operate without a dynamic registration dependency.

Incorrect Answers

A:

This outcome is associated with MVRP registration scope (Enable MVRP only on intended eligible trunks and bound the propagation design.), not the specified action.

B:

This outcome is associated with MVRP automatic VLAN exchange (Use Multiple VLAN Registration Protocol on supported participating interfaces.), not the specified action.

D:

This outcome is associated with MVRP neighbor support (Verify MVRP capability and configuration on both ends of the trunk.), not the specified action.

Question 435

An isolated switch requires a single fixed VLAN and there is no design requirement to discover it dynamically across trunks. A colleague instead suggests: Use Multiple VLAN Registration Protocol on supported participating interfaces. Which corrective approach most directly addresses the original issue?

  1. Enable MVRP only on intended eligible trunks and bound the propagation design.
  2. Use Multiple VLAN Registration Protocol on supported participating interfaces.
  3. Verify MVRP capability and configuration on both ends of the trunk.
  4. Configure the specified VLAN and trunk membership statically instead of adding MVRP complexity.

Explanation

Correct Answer

D:

This corrective choice addresses Static VLAN alternative. The intended VLAN can operate without a dynamic registration dependency.

Incorrect Answers

A:

That alternative applies to MVRP registration scope instead. Dynamic VLAN registration does not need to extend across every physical link.

B:

That alternative applies to MVRP automatic VLAN exchange instead. Switches can exchange VLAN registration information dynamically over the connection.

C:

That alternative applies to MVRP neighbor support instead. Both switches can participate in supported VLAN registration exchanges.

Question 436

An enterprise network designer recommends: Configure the specified VLAN and trunk membership statically instead of adding MVRP complexity. Which situation most clearly calls for this action?

  1. An isolated switch requires a single fixed VLAN and there is no design requirement to discover it dynamically across trunks.
  2. A VLAN never appears dynamically on a neighboring switch because one end has no MVRP support or participation.
  3. An operator wants dynamic VLAN advertisements to remain limited to a specific subset of participating switching links.
  4. Adjacent switches must advertise dynamic VLAN membership on an inter-switch connection instead of manual provisioning of every allowed VLAN.

Explanation

Correct Answer

A:

This case requires the Static VLAN alternative action. The intended VLAN can operate without a dynamic registration dependency.

Incorrect Answers

B:

This other case would be better matched to Verify MVRP capability and configuration on both ends of the trunk. Both switches can participate in supported VLAN registration exchanges.

C:

This other case would be better matched to Enable MVRP only on intended eligible trunks and bound the propagation design. Dynamic VLAN registration does not need to extend across every physical link.

D:

This other case would be better matched to Use Multiple VLAN Registration Protocol on supported participating interfaces. Switches can exchange VLAN registration information dynamically over the connection.

Question 437

Two trunks form an intermediate switching path but dynamically learned VLANs are available only on the first link. Which Junos networking action or protocol decision best addresses this requirement?

  1. Verify MVRP capability and configuration on both ends of the trunk.
  2. Enable MVRP only on intended eligible trunks and bound the propagation design.
  3. Verify end-to-end MVRP participation and VLAN registration behavior on the intermediate switch.
  4. Inspect operational MVRP registration and learned VLAN status on affected interfaces.

Explanation

Correct Answer

C:

This action addresses MVRP propagation troubleshooting. The operator can locate where the dynamic VLAN registration stops propagating.

Incorrect Answers

A:

That action targets MVRP neighbor support: Both switches can participate in supported VLAN registration exchanges. It does not directly resolve the stated MVRP propagation troubleshooting requirement.

B:

That action targets MVRP registration scope: Dynamic VLAN registration does not need to extend across every physical link. It does not directly resolve the stated MVRP propagation troubleshooting requirement.

D:

That action targets MVRP learned VLAN state: The team can identify which trunk advertised or withdrew VLAN membership. It does not directly resolve the stated MVRP propagation troubleshooting requirement.

Question 438

A Junos network engineer takes this step: Verify end-to-end MVRP participation and VLAN registration behavior on the intermediate switch. Which outcome most directly follows?

  1. Dynamic VLAN registration does not need to extend across every physical link.
  2. Both switches can participate in supported VLAN registration exchanges.
  3. The team can identify which trunk advertised or withdrew VLAN membership.
  4. The operator can locate where the dynamic VLAN registration stops propagating.

Explanation

Correct Answer

D:

This is the direct result of the MVRP propagation troubleshooting decision: The operator can locate where the dynamic VLAN registration stops propagating.

Incorrect Answers

A:

This outcome is associated with MVRP registration scope (Enable MVRP only on intended eligible trunks and bound the propagation design.), not the specified action.

B:

This outcome is associated with MVRP neighbor support (Verify MVRP capability and configuration on both ends of the trunk.), not the specified action.

C:

This outcome is associated with MVRP learned VLAN state (Inspect operational MVRP registration and learned VLAN status on affected interfaces.), not the specified action.

Question 439

Two trunks form an intermediate switching path but dynamically learned VLANs are available only on the first link. A colleague instead suggests: Enable MVRP only on intended eligible trunks and bound the propagation design. Which corrective approach most directly addresses the original issue?

  1. Verify end-to-end MVRP participation and VLAN registration behavior on the intermediate switch.
  2. Enable MVRP only on intended eligible trunks and bound the propagation design.
  3. Verify MVRP capability and configuration on both ends of the trunk.
  4. Inspect operational MVRP registration and learned VLAN status on affected interfaces.

Explanation

Correct Answer

A:

This corrective choice addresses MVRP propagation troubleshooting. The operator can locate where the dynamic VLAN registration stops propagating.

Incorrect Answers

B:

That alternative applies to MVRP registration scope instead. Dynamic VLAN registration does not need to extend across every physical link.

C:

That alternative applies to MVRP neighbor support instead. Both switches can participate in supported VLAN registration exchanges.

D:

That alternative applies to MVRP learned VLAN state instead. The team can identify which trunk advertised or withdrew VLAN membership.

Question 440

An enterprise network designer recommends: Verify end-to-end MVRP participation and VLAN registration behavior on the intermediate switch. Which situation most clearly calls for this action?

  1. An operator wants dynamic VLAN advertisements to remain limited to a specific subset of participating switching links.
  2. Two trunks form an intermediate switching path but dynamically learned VLANs are available only on the first link.
  3. A VLAN never appears dynamically on a neighboring switch because one end has no MVRP support or participation.
  4. A previously available dynamic VLAN disappears after an uplink topology change and administrators must check its source.

Explanation

Correct Answer

B:

This case requires the MVRP propagation troubleshooting action. The operator can locate where the dynamic VLAN registration stops propagating.

Incorrect Answers

A:

This other case would be better matched to Enable MVRP only on intended eligible trunks and bound the propagation design. Dynamic VLAN registration does not need to extend across every physical link.

C:

This other case would be better matched to Verify MVRP capability and configuration on both ends of the trunk. Both switches can participate in supported VLAN registration exchanges.

D:

This other case would be better matched to Inspect operational MVRP registration and learned VLAN status on affected interfaces. The team can identify which trunk advertised or withdrew VLAN membership.

Enterprise Routing and Switching, Professional (JNCIP-ENT) (JN0-650) Practice Tests