N10-009 · Question #142
A network engineer configures a new switch and connects it to an existing switch for expansion and redundancy. Users immediately lose connectivity to the network. The network engineer notes the…
The correct answer is C. A root bridge needs to be identified. The issue is that no root bridge has been identified. In STP, a root bridge is necessary to manage redundant paths and avoid loops in the network. Without a root bridge, all switches will assume they can forward traffic, causing a network loop and connectivity problems.
Question
A network engineer configures a new switch and connects it to an existing switch for expansion and redundancy. Users immediately lose connectivity to the network. The network engineer notes the following spanning tree information from both switches:
Which of the following best describes the issue?
Exhibits
Options
- AThe port cost should not be equal.
- BThe ports should use link aggregation.
- CA root bridge needs to be identified.
- DThe switch should be configured for RSTP.
How the community answered
(55 responses)- A5% (3)
- B15% (8)
- C58% (32)
- D22% (12)
Explanation
The issue is that no root bridge has been identified. In STP, a root bridge is necessary to manage redundant paths and avoid loops in the network. Without a root bridge, all switches will assume they can forward traffic, causing a network loop and connectivity problems.
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