When configured. MPLS can increase routing redundancy by providing which of the following network topology types?（）A、BusB、MeshC、MultipathD、Ring
When configured. MPLS can increase routing redundancy by providing which of the following network topology types?（）
- A、Bus
- B、Mesh
- C、Multipath
- D、Ring
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Which statement is correct about logical units on Juniper Router interfaces?() A.Logical units are used only when a Layer 2 identifier is present such as a VLANB.A logical unit of 0 is required when using a frame-relay DLCIC.A logical unit is always requiredD.Logical units are not required unless ATM or 802.1Q VLAN tagging is configured.
When configured. MPLS can increase routing redundancy by providing which of the following network topology types?() A.BusB.MeshC.MultipathD.Ring
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 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
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 of the following statements regarding ISDN are correct?（）A、Each ISDN B channel has transmission speeds of up to 64 kbps.B、The ISDN B channel can carry video, voice or data.C、The ISDN B channel transmission rate varies depending on the service used.D、The ISDN D channel transmits control information.E、The ISDN B channels can be configured with different subnets and encapsulation types when dialer profiles are configured.
When an MPLS Layer 2 VPN runs in the hub-and-spoke model， where is QoS implemented？（）A、hub and spokeB、PEC、CED、hubE、spoke
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
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
Which three functions can CCC be used for？（）A、To interconnect VLANSB、To interconnect ATM VCsC、To interconnect MPLS LSPsD、To interconnect MPLS VPNs
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
In an Ethernet network, under what two scenarios can devices transmit?（）A、when they receive a special tokenB、when there is a carrierC、when they detect no other devices are sendingD、when the medium is idleE、when the server grants access
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 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
Users complain they cannot communicate with a server. The system administrator suspects there may be a problem with the Ethernet adapter or with the way it is configured. Which command can be run to verify the adapter is configured correctly？（）A、netstat -inB、ifconfig -aC、arp -aD、cfgmgr
Which statement is correct about logical units on Juniper Router interfaces?（）A、Logical units are used only when a Layer 2 identifier is present such as a VLANB、A logical unit of 0 is required when using a frame-relay DLCIC、A logical unit is always requiredD、Logical units are not required unless ATM or 802.1Q VLAN tagging is configured.
多选题Which three functions can CCC be used for？（）ATo interconnect VLANSBTo interconnect ATM VCsCTo interconnect MPLS LSPsDTo interconnect MPLS VPNs
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Which statement is correct about logical units on Juniper Router interfaces?（）ALogical units are used only when a Layer 2 identifier is present such as a VLANBA logical unit of 0 is required when using a frame-relay DLCICA logical unit is always requiredDLogical units are not required unless ATM or 802.1Q VLAN tagging is configured.
单选题When an MPLS Layer 2 VPN runs in the hub-and-spoke model， where is QoS implemented？（）Ahub and spokeBPECCEDhubEspoke
多选题Which of the following statements regarding ISDN are correct?（）AEach ISDN B channel has transmission speeds of up to 64 kbps.BThe ISDN B channel can carry video, voice or data.CThe ISDN B channel transmission rate varies depending on the service used.DThe ISDN D channel transmits control information.EThe ISDN B channels can be configured with different subnets and encapsulation types when dialer profiles are configured.
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