READ Free Dumps For Cisco- 200-125
| Question ID 16031 | Three switches are connected to one another via trunk ports. Assuming the default switch
configuration, which switch is elected as the root bridge for the spanning-tree instance of
VLAN 1?
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| Option A | the switch with the highest MAC address
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| Option B | the switch with the lowest MAC address
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| Option C | the switch with the highest IP address
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| Option D | the switch with the lowest IP address
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| Correct Answer | B |
Explanation Explanation: Each switch in your network will have a Bridge ID Priority value, more commonly referred to as a BID. This BID is a combination of a default priority value and the switch's MAC address, with the priority value listed first. The lowest BID will win the election process. For example, if a Cisco switch has the default priority value of 32,768 and a MAC address of 11-22-33-44-55-66, the BID would be 32768:11-22-33-44-55-66. Therefore, if the switch priority is left at the default, the MAC address is the deciding factor in the root bridge election.
| Question ID 16032 | What is the function of the command switchport trunk native vlan 999 on a Cisco Catalyst
switch?
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| Option A | It creates a VLAN 999 interface.
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| Option B | It designates VLAN 999 for untagged traffic.
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| Option C | It blocks VLAN 999 traffic from passing on the trunk.
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| Option D | It designates VLAN 999 as the default for all unknown tagged traffic.
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| Correct Answer | B |
Explanation Explanation: Configuring the Native VLAN for Untagged Traffic A trunk port configured with 802.1Q tagging can receive both tagged and untagged traffic. By default, the switch forwards untagged traffic in the native VLAN configured for the port. The native VLAN is VLAN 1 by default.