One type of frame switching uses low－latency forwarding and then switches to a higher－latency error checking mode when an error threshold is exceeded. What is the name of this frame switching mode?() A. store and forwardB. fragment-freeC. adaptive cut-throughD. fast-forward
One type of frame switching uses low－latency forwarding and then switches to a higher－latency error checking mode when an error threshold is exceeded. What is the name of this frame switching mode?()
A. store and forward
B. fragment-free
C. adaptive cut-through
D. fast-forward
相关考题：
Which three of the following steps are mandatory when configuring MPLS on Cisco IOS? ()(Choose three.) A. start LDPB. enable CEF switchingC. configure the MPLS IDD. disable IP TTL propagationE. configure conditional label advertisingF. enable label switching on frame mode interfaces
Why is it appropriate to use conditional label advertising when deploying MPLS? () A. to make CEF tables smallerB. to enable label switching on the frame mode interfaceC. to restrict MPLS availability to predefined time periodsD. to restrict label switching to a limited number of networksE. to restrict end users from seeing the routers in the MPLS network
New switches have been purchased for a network upgrade. The objective for the network design emphasizes efficient, error-free transport instead of fast transport.Which switching mode should be configured on the new switches to provide error-free transport to the network? （）A. cut-throughB. fragment-freeC. frame-filteringD. store-and-forwardE. 802.1q forwardingF. VTP transparent mode
Which switching mode provides the highest level of integrity and error－free transport, rather then maximizing speed?() A. 802.1q forwardingB. VTP transparent modeC. Cut-throughD. Store-and-forwardE. Fragment-freeF. Frame-filtering
When troubleshooting a Frame Relay connection, what is the first step when performing a loopback test?() A.Set the encapsulation of the interface to HDLCB.Place the CSU/DSU in local-loop modeC.Enable local-loop mode on the DCE Frame Relay routerD.Verify that the encapsulation is set to Frame Relay
Why is it appropriate to use conditional label advertising when deploying MPLS? （）A、to make CEF tables smallerB、to enable label switching on the frame mode interfaceC、to restrict MPLS availability to predefined time periodsD、to restrict label switching to a limited number of networksE、to restrict end users from seeing the routers in the MPLS network
When troubleshooting a Frame Relay connection, what is the first step when performing a loopback test?（）A、Set the encapsulation of the interface to HDLCB、Place the CSU/DSU in local-loop modeC、Enable local-loop mode on the DCE Frame Relay routerD、Verify that the encapsulation is set to Frame Relay
What are two benefits of using VTP in a switching environment?（）A、It allows switches to read frame tags.B、It allows ports to be assigned to VLANs automatically.C、It maintains VLAN consistency across a switched network.D、It allows frames from multiple VLANs to use a single interface.E、It allows VLAN information to be automatically propagated throughout the switching environment.
As a network administrator, you are required to deploy MPLS technology. During the deployment, it is recommended to apply conditional label advertising. What is most probably the reason for that?（）A、to enable label switching on the frame mode interfaceB、to restrict MPLS availability to predefined time periodsC、to restrict end users from seeing the routers in the MPLS networkD、to restrict label switching to a limited number of networks
New switches have been purchased for a network upgrade. The objective for the network design emphasizes efficient, error-free transport instead of fast transport.Which switching mode should be configured on the new switches to provide error-free transport to the network? （）A、cut-throughB、fragment-freeC、frame-filteringD、store-and-forwardE、802.1q forwardingF、VTP transparent mode
If a switch is working in the fail-open mode， what will happen when the switch’s CAM table fills to capacityand a new frame arrives？（）A、A copy of the frame is forwarded out all switch ports other than the port the frame was received on.B、The frame is transmitted on the native VLAN.C、The switch sends a NACK segment to the frame’s source MAC address.D、The frame is dropped.
Cisco IOS is the software used on the vast majority of Cisco Systems routers and current Cisco network switches. As a network administrator, you are required to configure MPLS on Cisco IOS. In such a situation, which three of the following steps are necessary to take?（）A、Start LDP.B、Enable CEF switching.C、Configure conditional label advertising.D、Enable label switching on frame mode interfaces.E、disable IP TTL propagationF、configure conditional label advertising
Which three of the following steps are mandatory when configuring MPLS on Cisco IOS? （）(Choose three.)A、start LDPB、enable CEF switchingC、configure the MPLS IDD、disable IP TTL propagationE、configure conditional label advertisingF、enable label switching on frame mode interfaces
What is the encapsulation mode for MPLS running on Ethernet？（）A、Packet modeB、Frame modeC、Transparent modeD、Channel modeE、Tunnel mode
In which three network technologies is traffic shaping used to prevent and manage congestion？ （）A、Asynchronous Transfer Mode （ATM）B、data-link switching （DLSw）C、Route Processor Redundancy （RPR）D、Frame Relay （FR）E、Metro EthernetF、Multiprotocol Label Switching （MPLS）
One type of frame switching uses low-latency forwarding and then switches to a higher-latency error checking mode when an error threshold is exceeded. What is the name of this frame switching mode?（）A、store and forwardB、fragment-freeC、adaptive cut-throughD、fast-forward
Which switching mode provides the highest level of integrity and error-free transport, rather then maximizing speed?（）A、802.1q forwardingB、VTP transparent modeC、Cut-throughD、Store-and-forwardE、Fragment-freeF、Frame-filtering
What are two characteristics of "store and forward" switching?（）A、Latency fluctuates regardless of frame size.B、The switch receives the complete frame before beginning to forward it.C、Latency through the switch varies with frame length.D、The switch checks the destination address upon receipt of headers.
单选题New switches have been purchased for a network upgrade. The objective for the network design emphasizes efficient, error-free transport instead of fast transport.Which switching mode should be configured on the new switches to provide error-free transport to the network? （）Acut-throughBfragment-freeCframe-filteringDstore-and-forwardE802.1q forwardingFVTP transparent mode
单选题One type of frame switching uses low-latency forwarding and then switches to a higher-latency error checking mode when an error threshold is exceeded. What is the name of this frame switching mode?（）Astore and forwardBfragment-freeCadaptive cut-throughDfast-forward
多选题Cisco IOS is the software used on the vast majority of Cisco Systems routers and current Cisco network switches. As a network administrator, you are required to configure MPLS on Cisco IOS. In such a situation, which three of the following steps are necessary to take?（）AStart LDP.BEnable CEF switching.CConfigure conditional label advertising.DEnable label switching on frame mode interfaces.Edisable IP TTL propagationFconfigure conditional label advertising
单选题Why is it appropriate to use conditional label advertising when deploying MPLS?（）Ato make CEF tables smallerBto enable label switching on the frame mode interfaceCto restrict MPLS availability to predefined time periodsDto restrict label switching to a limited number of networksEto restrict end users from seeing the routers in the MPLS network
单选题As a network administrator, you are required to deploy MPLS technology. During the deployment, it is recommended to apply conditional label advertising. What is most probably the reason for that?（）Ato enable label switching on the frame mode interfaceBto restrict MPLS availability to predefined time periodsCto restrict end users from seeing the routers in the MPLS networkDto restrict label switching to a limited number of networks
单选题If a switch is working in the fail-open mode， what will happen when the switch’s CAM table fills to capacityand a new frame arrives？（）AA copy of the frame is forwarded out all switch ports other than the port the frame was received on.BThe frame is transmitted on the native VLAN.CThe switch sends a NACK segment to the frame’s source MAC address.DThe frame is dropped.
单选题Which switching mode provides the highest level of integrity and error-free transport, rather then maximizing speed?（）A802.1q forwardingBVTP transparent modeCCut-throughDStore-and-forwardEFragment-freeFFrame-filtering
多选题Which three of the following steps are mandatory when configuring MPLS on Cisco IOS?（）(Choose three.)Astart LDPBenable CEF switchingCconfigure the MPLS IDDdisable IP TTL propagationEconfigure conditional label advertisingFenable label switching on frame mode interfaces
多选题What are two benefits of using VTP in a switching environment?（）AIt allows switches to read frame tags.BIt allows ports to be assigned to VLANs automatically.CIt maintains VLAN consistency across a switched network.DIt allows frames from multiple VLANs to use a single interface.EIt allows VLAN information to be automatically propagated throughout the switching environment.