多选题In Layer 2 topologies, spanning-tree failures can cause loops in the network. These unblocked loops cancause network failures because of excessive traffic. Which two Catalyst 6500 features can be used to limitexcessive traffic during spanning-tree loop conditions?()Aloop guardBstorm controlCstorm suppressionDbroadcast suppressionEBPDU guard
多选题
In Layer 2 topologies, spanning-tree failures can cause loops in the network. These unblocked loops cancause network failures because of excessive traffic. Which two Catalyst 6500 features can be used to limitexcessive traffic during spanning-tree loop conditions?()
A
loop guard
B
storm control
C
storm suppression
D
broadcast suppression
E
BPDU guard
参考解析
解析:
暂无解析
相关考题:
In the OSI model, which of the following layers would be the cause of a session time-out while browsing the web?() A.Laye r2B.Layer 3C.Layer 5D.Layer 7
Which two of these are characteristics of MPLS VPNs?() A. Layer 3 MPLS VPNs can forward only IP packetsB. Layer 2 MPLS VPNs can forward any network protocolC. MPLS label paths are automatically formed based on Layer 2 framesD. Layer 3 MPLS VPNs can forward any network protocol based on Layer 2 framesE. In Layer 2 MPLS VPNS, the service provider controls the customer Layer 3 policies
When designing a converged network, which measures can be taken at the building access layer to help eliminate latency and ensure end-to-end quality of service can be maintained? () A. rate limit voice trafficB. configure spanning-tree for fast link convergenceC. isolate voice traffic on separate VLANsD. classify and mark traffic close to the source
Which three Layer 2 access designs have all of their uplinks in an active state?() A. Flex LinksB. loop-free UC. looped squareD. looped triangleE. loop-free inverted U
Which spanning-tree command would cause a PortFast-enabled interface to lose its PortFast-operational status and disable BPDU filtering if it receives BPDUs?()A、spanning-tree guard rootB、spanning-tree portfast bpduguard defaultC、spanning-tree bpduguard enableD、spanning-tree bpdufilter enableE、spanning-tree portfast bpdufilter default
Which three Layer 2 access designs have all of their uplinks in an active state?()A、Flex LinksB、loop-free UC、looped squareD、looped triangleE、loop-free inverted U
Loop guard and UniDirectional Link Detection both protect against Layer 2 STP loops. In which two ways does loop guard differ from UDLD in loop detection and prevention? ()A、 Loop guard can be used with root guard simultaneously on the same port on the same VLAN while UDLD cannotB、 UDLD protects against STP failures caused by cabling problems that create one-way links.C、 Loop guard detects and protects against duplicate packets being received and transmitted on different portsD、 UDLD protects against unidirectional cabling problems on copper and fiber media.E、 Loop guard protects against STP failures caused by problems that result in the loss of BPDUs from a designated switch port.
Which of these Layer 2 access designs does not support VLAN extensions?()A、FlexLinksB、loop-free UC、looped squareD、looped triangleE、loop-free inverted U
In Layer 2 topologies, spanning-tree failures can cause loops in the network. These unblocked loops can cause network failures because of excessive traffic. Which two Catalyst 6500 features can be used to limit excessive traffic during spanning-tree loop conditions? ()A、loop guardB、storm controlC、storm suppressionD、broadcast suppressionE、BPDU guard
Loop guard and UniDirectional Link Detection both protect against Layer 2 STP loops. In which two ways does loop guard differ from UDLD in loop detection and prevention?()A、Loop guard can be used with root guard simultaneously on the same port on the same VLAN while UDLD cannot.B、UDLD protects against STP failures caused by cabling problems that create one-way links.C、Loop guard detects and protects against duplicate packets being received and transmitted on different ports.D、UDLD protects against unidirectional cabling problems on copper and fiber media.E、Loop guard protects against STP failures caused by problems that result in the loss of BPDUs from a designated switch port.
You are the network administrator of a Layer 3 switched network. Users in one VLAN are complaining that access to the server VLAN is very slow from time to time. Traffic in the local VLAN works without any issue, and users in other VLANs do not have any complaint to reach the server VLAN. What is most likely the cause of this issue?()A、routing issueB、denial-of-service attackC、MAC floodingD、spanning-tree recalculationE、Layer 2 loopF、ARP spoofing attack
In the OSI model, which of the following layers would be the cause of a session time-out while browsing the web?()A、Laye r2B、Layer 3C、Layer 5D、Layer 7
Compared to the traditional Layer 2 and Layer 3 system, how does the Cisco Catalyst 6500 VSS1440 simplify the network? ()A、provides loop-free technologyB、manages additional routing peersC、provides HSRP/VRRPD、manages two nodes and configuration
Which statement about data center access layer design modes is correct?()A、The access layer is the first oversubscription point in a data center design.B、When using a Layer 2 loop-free design, VLANs are extended into the aggregation layer.C、When using a Layer 2 looped design, VLANs are not extended into the aggregation layer.D、When using a Layer 3 design,stateful services requiring Layer 2 connectivity are provisioned from the aggregation layer.E、The data center access layer provides the physical-level connections to the server resources and only operates at Layer 3.
Which two of these are characteristics of MPLS VPNs? ()A、 Layer 3 MPLS VPNs can forward only IP packetsB、 Layer 2 MPLS VPNs can forward any network protocolC、 MPL S label paths are automatically formed based on Layer 2 framesD、 Layer 3 MPLS VPNs can forward any network protocol based on Layer 2 framesE、 In Layer 2 MPLS VPNS, the service provider controls the customer Layer 3 policies
Which of the protocols below, operates at Layer 2 of the OSI model, and is used to maintain a loop-free network?()A、RIPB、STPC、IGRPD、CDPE、VTP
Which three Layer 2 access designs have all of their uplinks in an active state? ()A、 Flex LinksB、 loop free UC、 looped squareD、 looped triangleE、 loop-tree inverted U
In Layer 2 topologies, spanning-tree failures can cause loops in the network. These unblocked loops cancause network failures because of excessive traffic. Which two Catalyst 6500 features can be used to limitexcessive traffic during spanning-tree loop conditions?()A、loop guardB、storm controlC、storm suppressionD、broadcast suppressionE、BPDU guard
多选题Loop guard and UniDirectional Link Detection both protect against Layer 2 STP loops. In which two ways does loop guard differ from UDLD in loop detection and prevention?()ALoop guard can be used with root guard simultaneously on the same port on the same VLAN while UDLD cannot.BUDLD protects against STP failures caused by cabling problems that create one-way links.CLoop guard detects and protects against duplicate packets being received and transmitted on different ports.DUDLD protects against unidirectional cabling problems on copper and fiber media.ELoop guard protects against STP failures caused by problems that result in the loss of BPDUs from a designated switch port.
单选题The major cause of anchor buoy pendant wire failures is().AcorrosionBrough weatherCdefective socketsDmishandling
多选题When designing a converged network, which measures can be taken at the building access layer to help eliminate latency and ensure end-to-end quality of service can be maintained? ()Arate limit voice trafficBconfigure spanning-tree for fast link convergenceCisolate voice traffic on separate VLANsDclassify and mark traffic close to the source
多选题Loop guard and UniDirectional Link Detection both protect against Layer 2 STP loops. In which two ways does loop guard differ from UDLD in loop detection and prevention? ()ALoop guard can be used with root guard simultaneously on the same port on the same VLAN while UDLD cannotBUDLD protects against STP failures caused by cabling problems that create one-way links.CLoop guard detects and protects against duplicate packets being received and transmitted on different portsDUDLD protects against unidirectional cabling problems on copper and fiber media.ELoop guard protects against STP failures caused by problems that result in the loss of BPDUs from a designated switch port.
单选题Which of the protocols below, operates at Layer 2 of the OSI model, and is used to maintain a loop-free network?()ARIPBSTPCIGRPDCDPEVTP
多选题Which two of these are characteristics of MPLS VPNs?()ALayer 3 MPLS VPNs can forward only IP packetsBLayer 2 MPLS VPNs can forward any network protocolCMPLS label paths are automatically formed based on Layer 2 framesDLayer 3 MPLS VPNs can forward any network protocol based on Layer 2 framesEIn Layer 2 MPLS VPNS, the service provider controls the customer Layer 3 policies
单选题Which of the following commands can be issued without interfering with the operation of loop guard?()ASwitch(config-if)#spanning-tree guard rootBSwitch(config-if)#spanning-tree portfastCSwitch(config-if)#switchport mode trunkDSwitch(config-if)#switchport mode access
多选题In Layer 2 topologies, spanning-tree failures can cause loops in the network. These unblocked loops can cause network failures because of excessive traffic. Which two Catalyst 6500 features can be used to limit excessive traffic during spanning-tree loop conditions? ()Aloop guardBstorm controlCstorm suppressionDbroadcast suppressionEBPDU guard
单选题Which statement about data center access layer design modes is correct?()A The access layer is the first oversubscription point in a data center design.B When using a Layer 2 loop-free design, VLANs are extended into the aggregation layer.C When using a Layer 2 looped design, VLANs are not extended into the aggregation layer.D When using a Layer 3 design, stateful services requiring Layer 2 connectivity are provisionedfrom the aggregation layer.E The data center access layer provides the physical-level connections to the server resourcesand only operates at Layer 3.
多选题In Layer 2 topologies, spanning-tree failures can cause loops in the network. These unblocked loops cancause network failures because of excessive traffic. Which two Catalyst 6500 features can be used to limitexcessive traffic during spanning-tree loop conditions?()Aloop guardBstorm controlCstorm suppressionDbroadcast suppressionEBPDU guard