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What happens on a Cisco switch that runs Cisco IOS when an RSTP-configured switch receives 802.1d BPDU?
What happens on a Cisco switch that runs Cisco IOS when an RSTP-configured switch receives 802.1d BPDU?A . 802.1d does not understand RSTP BPDUs because they are different versions, but when a RSTP switch receives an 802.1d BPDU, it responds with an 802.1d BPDU and eventually the two switches run...
When two MST instances (MST 1 and MST 2) are created on a switch, what is the total number of spanning-tree instances running on the switch?
When two MST instances (MST 1 and MST 2) are created on a switch, what is the total number of spanning-tree instances running on the switch?A . 1B . 2C . 3D . 4View AnswerAnswer: C Explanation: Unlike other spanning tree protocols, in which all the spanning tree instances are...
Which two statements about manually-configured LACP EtherChannels are true? (Choose two.)
Which two statements about manually-configured LACP EtherChannels are true? (Choose two.)A . LACP negotiation must be disabled on both devices in the EtherChannelB . They require Cisco Discovery Protocol.C . Each physical port in the EtherChannel must have the same speed and duplex settings.D . LACP negotiation must be disabled...
What is wrong with the configuration?
Refer to the exhibit. A network engineer changes the default native VLAN to VLAN 999. After applying the settings on the uplinks to the core switches, the switch control traffic, such as CDP and VTP, is no longer working. The standard configuration is used for each uplink. What is wrong...
Where can you disable MAC address learning on the switch?
Where can you disable MAC address learning on the switch?A . On the VLAN interface.B . Per switch port.C . A VLAN filter template is necessary.D . With the global command mac-address disable.View AnswerAnswer: A
A question with two VRRP routers and there is an IP reachability
A question with two VRRP routers and there is an IP reachabilityA . When R1 lose route to 10.x.x.x then R2 will take mastership because it will be decrement of 20 the priority of R1 is 110 C minus 20 = 90 and the R2 is on default priority (100).B...
Which statement about switch S1 is true?
Refer to the exhibit. Which statement about switch S1 is true?A . Physical port Fa0/13, Fa0/14, and Fa0/15 successfully formed a Layer 2 port-channel interface using an open standard protocol.B . Logical port Fa0/13, Fa0/14, and Fa0/15 successfully formed a Layer 2 physical port-channel interface using a Cisco proprietary protocol.C...
Which three HSRP exchange states are used in multicast messages? (Choose three.)
Which three HSRP exchange states are used in multicast messages? (Choose three.)A . err-disabledB . coupC . inheritD . holdE . helloF . resignView AnswerAnswer: BEF
What is the root cause of this issue?
A network engineer deployed a switch that operates the LAN base feature set and decides to use the SDM VLAN template. The SDM template is causing the CPU of the switch to spike during peak working hours. What is the root cause of this issue?A . The VLAN receives additional...
Which four multicast addresses for HSRP, GLBP and VRRP are valid? (Choose four.)
Which four multicast addresses for HSRP, GLBP and VRRP are valid? (Choose four.)A . HSRP version 1 uses the multicast IP address of 224.0.0.2.B . HSRP version 2 uses the multicast IP address of 224.0.0.102.C . GLBP uses the multicast IP address of 224.0.0.102.D . VRRP uses the multicast IP...
