Refer to the exhibit. Which switch in this configuration will be elected as the root bridge?
SW1: 0C:E0:38:41:86:07
SW2: 0C:0E:15:22:05:97
SW3: 0C:0E:15:1A:3C:9D
SW4: 0C:E0:18:A1:B3:19 A. SW1 B. SW2 C. SW3 D. SW4
What occurs when PortFast is enabled on an interface that is connected to another switch? A. Root port choice and spanning-tree recalculation are accelerated when a switch link goes down. B. After spanning-tree converges, PortFast shuts down any port that receives BPDUs. C. VTP is allowed to propagate VLAN configuration information from switch to switch automatically. D. Spanning-tree fails to detect a switching loop increasing the likelihood of broadcast storms.
Correct Answer: D
Explanation:
Explanation:
Enabling the PortFast feature causes a switch or a trunk port to enter the STP forwarding-state immediately or upon a linkup event, thus bypassing the listening and learning states.
Note: To enable portfast on a trunk port you need the trunk keyword “spanning-tree portfast trunk”
What is the primary effect of the spanning-tree portfast command? A. It immediately enables the port in the listening state. B. It immediately puts the port into the forwarding state when the switch is reloaded. C. It enables BPDU messages. D. It minimizes spanning-tree convergence time.
How are the switches in a spine-and-leaf topology interconnected? A. Each leaf switch is connected to one of the spine switches B. Each leaf switch is connected to each spine switch. C. Each leaf switch is connected to two spine switches, making a loop. D. Each leaf switch is connected to a central leaf switch, then uplinked to a core spine switch.
Refer to the exhibit. Between which zones do wireless users expect to experience intermittent connectivity? A. between zones 1 and 2 B. between zones 2 and 5 C. between zones 3 and 4 D. between zones 3 and 6
What is the difference between IPv6 unicast and anycast addressing? A. An individual IPv6 unicast address is supported on a single interface on one node, but an IPv6 anycast address is assigned to a group of interfaces on multiple nodes. B. IPv6 anycast nodes must be explicitly configured to recognize the anycast address, but IPv6 unicast nodes require no special configuration. C. IPv6 unicast nodes must be explicitly configured to recognize the unicast address, but IPv6 anycast nodes require no special configuration. D. Unlike an IPv6 anycast address, an IPv6 unicast address is assigned to a group of interfaces on multiple nodes.
Correct Answer: A
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