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81.
What happens if the root bridge switch and another switch are configured with different STP Hello timer values?
- A.Nothing; each sends hellos at different times.
- B.A bridging loop could form because the two switches are out of sync.
- C.The switch with the lower Hello timer becomes the root bridge.
- D.The other switch changes its Hello timer to match the root bridge
- Answer & Explanation
- Report
Answer : [D]
Explanation :
Explanation :
82.
What command can change the path cost of interface Gigabit Ethernet 1/0/3 to a value of 8?
- A.spanning-tree path-cost 8
- B.spanning-tree cost 8
- C.spanning-tree port-cost 8
- D.spanning-tree gig 1/0/3 cost 8
- Answer & Explanation
- Report
Answer : [B]
Explanation :
Explanation :
83.
Which of the following commands is most likely to make a switch become the root bridge for VLAN 5, assuming that all switches have the default STP parameters?
- A.spanning-tree root
- B.spanning-tree root vlan 5
- C.spanning-tree vlan 5 priority 100
- D.spanning-tree vlan 5 root
- Answer & Explanation
- Report
Answer : [C]
Explanation :
Explanation :
84.
Which of these is the single most important design decision to be made in a network running STP?
- A.Removing any redundant links
- B.Making sure all switches run the same version of IEEE 802.1D
- C.Root bridge placement
- D.Making sure all switches have redundant links
- Answer & Explanation
- Report
Answer : [C]
Explanation :
Explanation :
85.
Where should the root bridge be placed on a network?
- A.On the fastest switch
- B.Closest to the most users
- C.Closest to the center of the network
- D.On the least-used switch
- Answer & Explanation
- Report
Answer : [C]
Explanation :
Explanation :
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