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JN0-349 · Question #168

Click the Exhibit button. You are responsible for managing a Layer 2 network using RSTP for loop prevention. You recently committed the configurations shown in the exhibit. Unfortunately, Switch-2…

The correct answer is D. Configure the ge-0/0/1 and ge-0/0/8 interfaces on Switch-1 to have a cost of 0. See the full explanation below for the reasoning.

Question

Click the Exhibit button. You are responsible for managing a Layer 2 network using RSTP for loop prevention. You recently committed the configurations shown in the exhibit. Unfortunately, Switch-2 became the root bridge and you must ensure that Switch-1 becomes the root bridge, when available, for this RSTP topology. Referring to the exhibit, which configuration change should be performed?

Exhibit

JN0-349 question #168 exhibit

Options

  • AConfigure the ge-0/0/1 and ge-0/0/8 interfaces on Switch-1 to have a priority of 255.
  • BConfigure the system MAC on Switch-1 to be higher than the other two switches.
  • CConfigure the bridge-priority on Switch-1 as 4k.
  • DConfigure the ge-0/0/1 and ge-0/0/8 interfaces on Switch-1 to have a cost of 0.

How the community answered

(26 responses)
  • A
    4% (1)
  • B
    4% (1)
  • C
    12% (3)
  • D
    81% (21)

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Full JN0-349 Practice