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
Why is it appropriate to use conditional label advertising when deploying MPLS? ()
A. to make CEF tables smaller
B. to enable label switching on the frame mode interface
C. to restrict MPLS availability to predefined time periods
D. to restrict label switching to a limited number of networks
E. to restrict end users from seeing the routers in the MPLS network
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
Which 4 statements regarding MPLS Label Stack Encoding is true？（）A、A value of 4 represents the "Implicit NULL Label."B、A value of 0 represents the "IPv4 Explicit NULL Label."C、A value of 1 represents the "Router Alert Label". The use of this label is analogous to the use of the"Router Alert Option" in IP packets （for example， ping with record route option）D、A value of 2 represents the "IPv6 Explicit NULL Label"E、A value of 1 represents the "IPv1 Explicit NULL Label"F、A value of 3 represents the "Implicit NULL Label"
There is MPLS VPN traffic traversing through a TE intermediate router. What is the MPLS packet labelstack sequence （from outer to inner） for the VPN traffic on this router？（）A、TE label， IGP label， VPN labelB、IGP label， TE label， VPN labelC、TE label， VPN label， IGP labelD、VPN label， IGP label， TE labelE、IGP label， VPN label， TE label
In the context of MPLS，what is the correct action to be performed when an aggregate label is received ？（）A、It adds the VPN label into the top label in the MPLS label stackB、It replaces the top label in the MPLS label stack with a VPN label and propagatesC、It replaces the bottom label in the MPLS label stack with a VPN label and propagatesD、It removes the top label in the MPLS label stack and does a Layer 3 lookup on underlying IP packetsE、None of above
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
Using more than one label on a single packet is required in what context？（）A、MPLS TEB、MPLS VPNC、When CEF switching and Label switching is doneD、In all the above circumstances
What is the action of "pop" in the context of MPLS switching？（）A、It removes the top label in the MPLS label stack.B、It adds a top label in MPLS label stack.C、It replaces the top label in the MPLS label stack with another value.D、It replaces the top label in the MPLS label stack with a set of labels.E、None of above.
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
Which four services use the inner labels of an MPLS label stack？ （）A、MPLS VPNB、switching path in MPLS coreC、Cisco MPLS Traffic Engineering and Fast RerouteD、MPLS over ATME、VPN over Traffic Engineering coreF、any transport over MPLS
Multi Protocol Label Switching （MPLS） is a data-carrying mechanism that belongs to the family of packet-switched networks. For an MPLS label， if the stack bit is set to1， which option is true？（）A、The stack bit will only be used when LDP is the label distribution protocolB、The label is the last entry in the label stack.C、The stack bit is for Cisco implementations exclusively and will only be used when TDP is the label distribution protocol.D、The stack bit is reserved for future use.
What are two purposes of the RSVP signaling protocol when configuring MPLS Label-Switched Paths (LSPs)? （）(Choose two.)A、to perform a label push operationB、to track the status of signaled LSPsC、to perform longest-match route lookupsD、to reserve resources, such as labels and path information
单选题The officer of the watch should use radar when appropriate and at all times in（）waters.AcongestingBcongestedCcongestionDcongest
单选题There is MPLS VPN traffic traversing through a TE intermediate router. What is the MPLS packet labelstack sequence （from outer to inner） for the VPN traffic on this router？（）ATE label， IGP label， VPN labelBIGP label， TE label， VPN labelCTE label， VPN label， IGP labelDVPN label， IGP label， TE labelEIGP label， VPN label， TE label
填空题Why should you follow the directions carefully when using the machine?To use the washing machine ____.
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
多选题What are two purposes of the RSVP signaling protocol when configuring MPLS Label-Switched Paths (LSPs)? （）(Choose two.)Ato perform a label push operationBto track the status of signaled LSPsCto perform longest-match route lookupsDto reserve resources, such as labels and path information
多选题Which four services use the inner labels of an MPLS label stack？ （）AMPLS VPNBswitching path in MPLS coreCCisco MPLS Traffic Engineering and Fast RerouteDMPLS over ATMEVPN over Traffic Engineering coreFany transport over MPLS
单选题What is the action of "pop" in the context of MPLS switching？（）AIt removes the top label in the MPLS label stack.BIt adds a top label in MPLS label stack.CIt replaces the top label in the MPLS label stack with another value.DIt replaces the top label in the MPLS label stack with a set of labels.ENone of above.
单选题In the context of MPLS，what is the correct action to be performed when an aggregate label is received ？（）AIt adds the VPN label into the top label in the MPLS label stackBIt replaces the top label in the MPLS label stack with a VPN label and propagatesCIt replaces the bottom label in the MPLS label stack with a VPN label and propagatesDIt removes the top label in the MPLS label stack and does a Layer 3 lookup on underlying IP packetsENone of above
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
单选题Multi Protocol Label Switching （MPLS） is a data-carrying mechanism that belongs to the family of packet-switched networks. For an MPLS label， if the stack bit is set to1， which option is true？（）AThe stack bit will only be used when LDP is the label distribution protocolBThe label is the last entry in the label stack.CThe stack bit is for Cisco implementations exclusively and will only be used when TDP is the label distribution protocol.DThe stack bit is reserved for future use.
多选题Which 4 statements regarding MPLS Label Stack Encoding is true？（）AA value of 4 represents the Implicit NULL Label.BA value of 0 represents the IPv4 Explicit NULL Label.CA value of 1 represents the Router Alert Label. The use of this label is analogous to the use of theRouter Alert Option in IP packets （for example， ping with record route option）DA value of 2 represents the IPv6 Explicit NULL LabelEA value of 1 represents the IPv1 Explicit NULL LabelFA value of 3 represents the Implicit NULL Label