Please match the Cisco STP enahancement term to its definition.（） (1) BPDU guard (2) PortFast (3) BackboneFast (4) Loop guard (5) Root guard (a) shuts down a port that receives a BPDU when enabled (b) cuts convergence time by mas-age for indirect failure (c) prevents the aliernate or root port from being designated in absence of BPDUs (d )causes Layer 2 LAN interface access port to immediately enter the forwarding state (e) helps prevent bridging loops due to jni-directional link failures on point-to-point linksA、（a）-（1）；（b）-（2）；（c）-（4）；（d）-（5）；（e）-（3）B、（a）-（4）；（b）-（3）；（c）-（2）；（d）-（5）；（e）-（1）C、（a）-（3）；（b）-（2）；（c）-（4）；（d）-（5）；（e）-（1）D、（a）-（1）；（b）-（3）；（c）-（4）；（d）-（2）；（e）-（4）
Please match the Cisco STP enahancement term to its definition.（） (1) BPDU guard (2) PortFast (3) BackboneFast (4) Loop guard (5) Root guard (a) shuts down a port that receives a BPDU when enabled (b) cuts convergence time by mas-age for indirect failure (c) prevents the aliernate or root port from being designated in absence of BPDUs (d )causes Layer 2 LAN interface access port to immediately enter the forwarding state (e) helps prevent bridging loops due to jni-directional link failures on point-to-point links
- A、（a）-（1）；（b）-（2）；（c）-（4）；（d）-（5）；（e）-（3）
- B、（a）-（4）；（b）-（3）；（c）-（2）；（d）-（5）；（e）-（1）
- C、（a）-（3）；（b）-（2）；（c）-（4）；（d）-（5）；（e）-（1）
- D、（a）-（1）；（b）-（3）；（c）-（4）；（d）-（2）；（e）-（4）
相关考题：
(20) Catalyst 3500（Cisco IOS系统）中启用STP的命令格式是()。A) spanning-treevlanvlanB) no spamung-tree vlanvlanC) set spantree enablevlansD) set spantree:disablevlans
You have configured a Classifier Access Control List(CLACL)with multiple match clauses.Each match clause has multiple defined fields within it.Which two statements describe how the router evaluates this CLACL?（）A.All fields in each match clause must match.B.All match clauses in the CLACL must match.C.Only asingle field in each match clause must match.D.Only asingle match clause in the CLACL must match
CIS .com recently acquired a smaller competitor. The acquired company is not currently using Cisco routers, so you have connected the two WANs via an authenticated PPP link. After configuration both routers, issuing the show interface s0/0 command on the Cisco Router shows the interface to be in the up/down state.Which two of these are possible causes? （）A. Bandwidth statements do not matchB. MTUs do not matchC. IP Addresses are not in the same subnetD. CHAP passwords do not match
You are the network consultant from Cisco.com. Please point out the reason that STP required when VLANs do not span access layer switches.() A. ensure a loop-free topologyB. protect against user-side loopsC. support business applicationsD. risk of lost connectivity without STP
You are the network consultant from Cisco.com. Please point out which Layer 2 access designs does not support VLAN extensions?() A. Flex LinksB. loop-free UC. looped squareD. looped triangle
以下哪行代码不会显示匹配项？（）A、re.match（‘ab*’，‘a’）B、re.match（‘ab*’，‘ab’）C、re.match（’ab*’，’abb’）D、re.match（‘ab*’，‘ba’）
Please match the Cisco NAC appliance component to its description.（） (1)Cisco NAS (2)Cisco NAA (3)Rule-set Lpdates (4)Cisco NAM (a) a centralized management point (b) an in-band cr out-of-band device for network access control (c) a Windows-based client which allows network access based on the tasks running (d) a status crecker for operating systems,antivirus,antispyware,etc.A、（a）-（4）；（b）-（1）；（c）-（2）；（d）-（3）B、（a）-（3）；（b）-（2）；（c）-（4）；（d）-（1）C、（a）-（4）；（b）-（3）；（c）-（1）；（d）-（2）D、（a）-（2）；（b）-（4）；（c）-（3）；（d）-（1）
The Company network administrator has entered the "auto qos voip cisco-phone" command on switch R1. What does this command do？（）A、It disables the trust boundary feature because the switch knows a Cisco IP phone is attached.B、The switch assigns a CoS value of 5 to incoming packets.C、If a Cisco IP phone is attached and removed， the switch continues to trust the CoS values as long as the switch is not rebooted.D、It turns on STP to see if a Cisco IP phone is attached.E、If a Cisco IP phone is attached， the switch trusts the CoS.F、None of the other alternatives apply.
After configuring FabricPath， the following appears in the syslog： %STP-2-L2GW_BACKBONE_BLOCK： L2 Gateway Backbone port inconsistency blocking port port-channel100 on VLAN0010. What is the cause of this message？ （） A、 STP must be disabled； message indicates that STP is enabled.B、 STP is misconfigured； root guard must be disabled.C、 An inferior BPDU is received on a Cisco FabricPath edge port.D、 A superior BPDU is received on a Cisco FabricPath edge port.
CIS .com recently acquired a smaller competitor. The acquired company is not currently using Cisco routers, so you have connected the two WANs via an authenticated PPP link. After configuration both routers, issuing the show interface s0/0 command on the Cisco Router shows the interface to be in the up/down state. Which two of these are possible causes? （）A、Bandwidth statements do not matchB、MTUs do not matchC、IP Addresses are not in the same subnetD、CHAP passwords do not match
What is the use of an "all configuration" backup in Cisco UCS？（）A、 Can be used to migrate from a 6120 to a 6140 and retain the same service profilesB、 Can only be used on the fabric interconnect on which it was createdC、 Can be used to migrate from a 6120 to 6140 and retain system IP addresses and cluster informationD、 Can be used to match firmware versions between 6120 and 6140 during a migration
You have done a partial migration from 802.1D STP to 802.1w STP. Which of the following is true？（）A、802.1D and 802.1w interoperate only when the 802.1D STP domain supports rapid convergence.B、Ports leading to 802.1D devices will run in compatibility mode， while the rest of the ports will run in 802.1w mode.C、This is an invalid configuration and a partial migration cannot be done.D、The bridge timers will be set to match the 802.1D devices.E、A secondary root bridge will always be populated within the 802.1D domain.F、If the root bridge is selected within the 802.1D domain， the whole STP domain will run in 802.1D compatibility mode.G、In partially migrated 802.1w networks， it is recommended to keep the STP diameter below 4.
Which two attributes need to match for two switches to become members of the same MST region？ （）A、the table of 4096 elements that map the respective VLAN to STP instance numberB、VTP versionC、configuration revision numberD、native VLAN ID
Which protocol provides a method of sharing VLAN configuration information between two Cisco switch？（）A、VTPB、802.1QC、RSTPD、STP
You are the network consultant from Cisco.com. Please point out which Layer 2 access designs does not support VLAN extensions?（）A、Flex LinksB、loop-free UC、looped squareD、looped triangle
You are the Cisco Network Designer in Cisco.com. Which two statements about Layer 3 access designs are correct?（）A、Convergence time is fractionally slower than STP.B、Broadcast and fault domains are increased.C、IP address space is difficult to manage.D、Fast uplink convergence is supported for failover and fallback.
Which two statements about the various implementations of STP are true？（）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
单选题You are the network consultant from Cisco.com. Please point out the reason that STP required when VLANs do not span access layer switches.（）Aensure a loop-free topologyBprotect against user-side loopsCsupport business applicationsDrisk of lost connectivity without STP
单选题After configuring FabricPath， the following appears in the syslog： %STP-2-L2GW_BACKBONE_BLOCK： L2 Gateway Backbone port inconsistency blocking port port-channel100 on VLAN0010. What is the cause of this message？ （）A STP must be disabled； message indicates that STP is enabled.B STP is misconfigured； root guard must be disabled.C An inferior BPDU is received on a Cisco FabricPath edge port.D A superior BPDU is received on a Cisco FabricPath edge port.
单选题You have done a partial migration from 802.1D STP to 802.1w STP. Which of the following is true？（）A802.1D and 802.1w interoperate only when the 802.1D STP domain supports rapid convergence.BPorts leading to 802.1D devices will run in compatibility mode， while the rest of the ports will run in 802.1w mode.CThis is an invalid configuration and a partial migration cannot be done.DThe bridge timers will be set to match the 802.1D devices.EA secondary root bridge will always be populated within the 802.1D domain.FIf the root bridge is selected within the 802.1D domain， the whole STP domain will run in 802.1D compatibility mode.GIn partially migrated 802.1w networks， it is recommended to keep the STP diameter below 4.
多选题You have configured a Classifier Access Control List(CLACL)with multiple match clauses.Each match clause has multiple defined fields within it.Which two statements describe how the router evaluates this CLACL?（）AAll fields in each match clause must match.BAll match clauses in the CLACL must match.COnly asingle field in each match clause must match.DOnly asingle match clause in the CLACL must match
多选题Which two attributes need to match for two switches to become members of the same MST region？（）Athe table of 4096 elements that map the respective VLAN to STP instance numberBVTP versionCconfiguration revision numberDnative VLAN ID