A.VLAN instance mapping and revision number
B.VLAN instance mapping and member list
C.VLAN instance mapping, revision number, and member list
D.VLAN instance mapping, revision number, member list, and timers
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Refer to the exhibit. Switch 15 is configured as the root switch for VLAN 10 but not for VLAN 20. If the STP configuration is correct,
what will be true about Switch 15?()
A.All ports will be in forwarding mode.
B.All ports in VLAN 10 will be in forwarding mode.
C.All ports in VLAN 10 will be in forwarding mode and all ports in VLAN 20 will be in blocking mode.
D.All ports in VLAN 10 will be in forwarding mode and all ports in VLAN 20 will be in standby mode.
A.BPDU port-guard can be enabled globally, whereas BPDU filtering must be enabled on a per-interface basis.
B.When globally enabled, BPDU port-guard and BPDU filtering apply only to PortFast enabled ports.
C.When globally enabled, BPDU port-guard and BPDU filtering apply only to trunking-enabled ports.
D.When a BPDU is received on a BPDU port-guard enabled port, the interface goes into the err-disabled state.
E.When a BPDU is received on a BPDU filtering enabled port, the interface goes into the err-disabled state.
F.When a BPDU is received on a BPDU filtering enabled port, the interface goes into the STP blocking state.
Refer to the exhibit and the partial configuration of switch SW_A and SW_B. STP is configured on all switches in the network. SW_B receives this error message on the console port:
00:06:34: %CDP-4-DUPLEX_MISMATCH: duplex mismatch discovered on FastEthernet0/5 (not half duplex), with SW_A FastEthernet0/4 (half duplex) , with TBA05071417(Cat6K-B) 0/4 (half duplex).
What would be the possible outcome of the problem?()
A.The root port on switch SW_A will automatically transition to full-duplex mode.
B.The root port on switch SW_B will fallback to full-duplex mode.
C.The interfaces between switches SW_A and SW_B will transition to a blocking state.
D.Interface Fa 0/6 on switch SW_B will transition to a forwarding state and create a bridging loop.
A.mon Spanning Tree maintains a separate spanning-tree instance for each VLAN configured in the network.
B.The Spanning Tree Protocol (STP) is an evolution of the IEEE 802.1w standard.
C.Per-VLAN Spanning Tree (PVST) supports 802.1Q trunking.
D.Per-VLAN Spanning Tree Plus(PVST+) is an enhancement to 802.1Q specification and is supported only on Cisco devices.
E.Rapid Spanning Tree Protocol (RSTP) includes features equivalent to Cisco PortFast, UplinkFast, and BackboneFast for faster network reconvergence.
F.Multiple Spanning Tree (MST) assumes one spanning-tree instance for the entire Layer 2 network, regardless of the multiple number of VLANs
Refer to the exhibit. For what purpose is the command show ip cef used?()
A.to display rewritten IP unicast packets
B.to display ARP resolution packets
C.to display ARP throttling
D.to display TCAM matches
E.to display CEF-based MLS lookups
F.to display entries in the Forwarding Information Base (FIB)
最新試題
Refer to the exhibit. Which Virtual Router Redundancy Protocol (VRRP) statement is true about the roles of the master virtual router and the backup virtual router?()
Refer to the exhibit. The command switchport mode access is issued on interface FastEthernet0/13 on switch CAT1. What will be the result?()
What must be the same to make multiple switches part of the same Multiple Spanning Tree (MST)?()
Which two statements are true about BPDU port-guard and BPDU filtering?()
Which three statements about STP timers are true?()
Based on the show spanning-tree vlan 200 output shown in the exhibit, which two statements about the STP process for VLAN 200 are true? ()
DS2 has not become the active device for Vlan103’s HSRP group even though all interfaces are active. As related to Vlan103’s HSRP group. What can be done to make the group function properly ? ()
Which statement is correct about the use of the virtual interface on a WLC ?()
Refer to the exhibit. Based on the output of the show spanning-tree command, which statement is true? ()
How are STP timers and state transitions affected when a topology change occurs in an STP environment?()