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91.
STP Loop Guard detects which of the following conditions?
- A.The sudden appearance of superior BPDUs
- B.The sudden lack of BPDUs
- C.The appearance of duplicate BPDUs
- D.The appearance of two root bridges
- Answer & Explanation
- Report
Answer : [B]
Explanation :
Explanation :
92.
Which of the following commands can enable STP Loop Guard on a switch port?
- A.spanning-tree loop guard
- B.spanning-tree guard loop
- C.spanning-tree loop-guard
- D.spanning-tree loopguard enable
- Answer & Explanation
- Report
Answer : [B]
Explanation :
Explanation :
93.
To maintain a loop-free STP topology, which one of the following should a switch uplink be protected against?
- A.A sudden loss of BPDUs
- B.Too many BPDUs
- C.The wrong version of BPDUs
- D.BPDUs relayed from the root bridge
- Answer & Explanation
- Report
Answer : [A]
Explanation :
Explanation :
94.
Why is it important to protect the placement of the root bridge?
- A.To keep two root bridges from becoming active
- B.To keep the STP topology stable
- C.So all hosts have the correct gateway
- D.So the root bridge can have complete knowledge of the STP topology
- Answer & Explanation
- Report
Answer : [B]
Explanation :
Explanation :
95.
Which of the following features protects a switch port from accepting superior BPDUs?
- A.STP Loop Guard
- B.STP BPDU Guard
- C.STP Root Guard
- D.UDLD
- Answer & Explanation
- Report
Answer : [C]
Explanation :
Explanation :
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