MPLS需要LDP/TDP,是因为:()A、MPLS可以需要LDP/TDP,也可以不需要,是可以选择的B、LDP/TDP是转发机制,用于转发带标记数据包(Labeled packet)C、LDP/TDP用于分配MPLS VPN的标记(label)D、LDP/TDP用于交换分配给IP目的的标记(label)
MPLS需要LDP/TDP,是因为:()
- A、MPLS可以需要LDP/TDP,也可以不需要,是可以选择的
- B、LDP/TDP是转发机制,用于转发带标记数据包(Labeled packet)
- C、LDP/TDP用于分配MPLS VPN的标记(label)
- D、LDP/TDP用于交换分配给IP目的的标记(label)
相关考题:
在MPLS中,LDP的具体解释()。 A.Label Data PairB.Label Distribution PairC.Label Distribution ProtocolD.Label Data Protocol
WhichofthefollowingistrueregardingLabelDistributionProtocol(LDP)?() A.ItisalabeldistributionprotocolforMPLSB.ItisasetofproceduresandmessagesbywhichLSRsestablishLabelSwitchPaths(LSPs)througha networkC.TagdistributionProtocol(TDP)wasthebasisforLDPD.Alloftheabovearetrue
在VRP5中可以使用()命令来检查LDP Peer的信息。 A.display mpls interfaceB.display mpls ldp sessionC.display mpls ldp peerD.display mpls ldp lsp
在VRP5中以下哪条命令可以用于查看LDP状态机迁移过程()。 A.display mpls ldp sessionB.display mpls ldp peerC.debugging mpls ldp sessionD.debugging mpls ldp notification
在VRP5中以下哪条命令用于设置MPLS LDP的传输地址()。 A.mpls ldp remote-peerB.mpls lsr-idC.remote-ipD.mpls ldp transport-address
MPLS中使用LDP对标签进行分发有不同的方式,以下关于LDP标签分发控制方式说法错误的是()。 A.LDP标签控制可以采用有序方式(OdereD)标记B.采用有序方式,当LSR是路由的始发节点,LSR不需要等收到下一跳的标记映射才向上游发出标记映射C.LDP标签控制不能采用独立方式(Independent)标记D.采用独立方式,LSR可以向上游发出标记映射,必须等待来自LSR下一跳的标记映射消息
在VRP5中,以下哪些命令用于查看运行LDP协议的接口()。A、display mpls ldpB、display mpls lspC、display mpls interfaceD、display mpls ldp interface
Which option describes the incorrect usage of the Label Distribution method?()A、LDP is primarily used in internal networks of MPLS-VPN providers.B、MP-BGP is used for label distribution for VPN customer routes.C、Directed LDP is used for label distribution in L2-VPN Attachement Circuits.D、MP-BGP is used for label distribution in MPLS Traffic Engineered networks.
Which of the following is true regarding Label Distribution Protocol (LDP)?()A、It is a label distribution protocol for MPLSB、It is a set of procedures and messages by which LSRs establish Label Switch Paths (LSPs) through a networkC、Tag distribution Protocol (TDP) was the basis for LDPD、All of the above are true
Which of these statements about penultimate hop popping are true?()A、It is used only for directly connected subnets or aggregate routesB、It can only be used with LDP.C、It is only used when two or more labels are stacked.D、It enables the Edge LSR to request a label pop operation from Its upstream neighborsE、It is requested through TDP using a special label value that is also called the implicit-null value.F、It is requested through LDP using a special label value that is also called the implicit-null value.
What is the Cisco IOS command to turn on explicit null forwarding by LDP?()A、ldp explicit-nullB、mpls forwarding explicit-nullC、mpls ldp advertise-labels explicit nullD、mpls ldp explicit-null
下列哪条命令可以检查MPLS LDP的Session是否建立完成()。A、displa mpls ldpB、displa mpls ldp lspC、displa mpls ldp session
下列哪条命令可以检查是否存在某一转发定价类的LSP()。A、displa mpls ldp peerB、displa mpls ldp lspC、displa mpls ldp sessionD、displa mpls ldp
在BGP MPLS VPN组网的公网设备上,采用displa mpls ldp session命令检查LDP邻居建立状况时,发现邻居状态时Operational,说明()。A、与此邻居的LDP邻居已建立成功,可以交互标签信息B、与此邻居之间已经完成标签交互C、与此邻居无法建立LDP邻居关系,因为LDP相关参数不匹配D、与此邻居无法建立LDP邻居关系,因为对端未使能LDP协议
在MPLS中,LDP的具体解释()。A、Label Data PairB、Label Distribution PairC、Label Distribution ProtocolD、Label Data Protocol
以下关于LDP描述不正确的是()。A、MPLS使用LDP来完成标签的分配、控制和保持B、运行了LDP协议的两台LSR之间会建立LDP Session并交换Label/FEC映射消息C、建立了LDP Session的两台路由器称为LDP PeersD、LDP消息承载在UDP和TCP之上,端口号为64
在VRP5中可以使用()命令来检查LDP Peer的信息。A、display mpls interfaceB、display mpls ldp sessionC、display mpls ldp peerD、display mpls ldp lsp
以下哪条命令可以用于查看NHLFE的()。A、display mpls lspB、display mpls ldp sessionC、display mpls ldp peerD、display mpls ldp lsp
在VRP5中以下哪条命令可以用于查看LDP状态机迁移过程()。A、display mpls ldp sessionB、display mpls ldp peerC、debugging mpls ldp sessionD、debugging mpls ldp notification
What IOS commands display MPLS label mapping on an LSR?()A、Show mpls forwading-tableB、Show mpls ldp bindingsC、Show mpls ldp neighbor detailD、Show mpls ldp parametersE、Show mpls ldp discovery
Which statements about MPLS Label Distribution Protocol(LDP) are valid?()A、LDP hello packets are sent to UDP port 646B、LDP hello packets are sent to TCP port 711C、LDP sessions are TCP sessions to port 646D、LDP sessions are TCP sessions to port 711E、LDP establishes a peer relationship with another router that must be directly attachedF、LDP can establishes a peer relationship with another router that is not directly attached
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.
Which two statements about MPLS Label Distribution Protocol (LDP) are true? ()A、LDP hello packets are sent to TCP 646.B、LDP session packets are sent to TCP 646.C、LDP session packets are sent to TCP 711.D、LDP hello packets are sent to TCP 711.E、LDP hello packets are sent to UDP 711.F、LDP hello packets are sent to UDP 646.
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.
单选题Which of the following is true regarding Label Distribution Protocol (LDP)?()AIt is a label distribution protocol for MPLSBIt is a set of procedures and messages by which LSRs establish Label Switch Paths (LSPs) through a networkCTag distribution Protocol (TDP) was the basis for LDPDAll of the above are true
单选题What IOS commands display MPLS label mapping on an LSR?()AShow mpls forwading-tableBShow mpls ldp bindingsCShow mpls ldp neighbor detailDShow mpls ldp parametersEShow mpls ldp discovery