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单选题
For which routes does LDP advertise a label binding？（）
A
all routes in the routing table
B
only the IGP and BGP routes in the routing table
C
only the BGP routes in the routing table
D
only the IGP routes in the routing table
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更多 “单选题For which routes does LDP advertise a label binding？（）A all routes in the routing tableB only the IGP and BGP routes in the routing tableC only the BGP routes in the routing tableD only the IGP routes in the routing table” 相关考题
考题
Which two signaling protocols could be used in VPLS to advertise site information between PEs? ()
A. IKEB. BGPC. RSVPD. LDP
考题
Which two statements describe the default routing policy for BGP?()
A.Advertise only locally originated routes.B.Accept all BGP routes and import into inet.0.C.Advertise all active BGP routes.D.Advertise only EBGP routes.
考题
Which option is true regarding the synchronization rule ?（）A、Do not use or internally advertise a route until the route is lear ned from a source other than BGP.B、Do not use or advertise a route until the route is learned from a BGP peer.C、Do not use or advertise routes marked PARTIAL.D、Wait until a CONFIRM message is received before using routes from BGP neighbors.
考题
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.
考题
What are the "bound IP addresses" used for in LDP？（）A、For each such address and mask /32, one label binding is created.B、As the TCP endpoint, IP addresses are used by the LDP session.C、These addresses are used to find the label binding to put in the LFIB, by looking up these IP addresses in the routing table.D、These addresses are used for penultimate hop popping (PHP) when forwarding packets to the next router directly.
考题
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
考题
Which two statements describe the default routing policy for BGP?（）A、Advertise only locally originated routes.B、Accept all BGP routes and import into inet.0.C、Advertise all active BGP routes.D、Advertise only EBGP routes.
考题
Which three NRIs can MBGP carry？（）A、LDP routesB、IPv6 routesC、RSVP routesD、Layer 2 VPN routesE、Layer 3 VPN routes
考题
在MPLS中，LDP的具体解释（）。A、Label Data PairB、Label Distribution PairC、Label Distribution ProtocolD、Label Data Protocol
考题
以下哪条命令用于Egress节点向倒数第二跳分配显式空标签，值为0（）。A、label advertise explicit-nullB、label advertise implicit-nullC、label advertise non-nullD、label advertise total
考题
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
考题
Which three of these statements about penultimate hop popping are true？（）A、It is used only for directly connected subnets or aggregate routes.B、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 neighbors.E、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.
考题
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？（）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.
考题
Which two methods advertise internal networks to external ISPs via BGP?（）A、using aggregate routesB、defining routes via the network statementC、disablin g synchronizationD、forcing the next - hop address
考题
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.
考题
Which two are characteristics of both Kompella and Martini-based VPNs? （）A、label stackingB、auto-provisioningC、circuit status vectorD、Martini EncapsulationE、LDP-based control plane
考题
Which two signaling protocols could be used in VPLS to advertise site information between PEs? （）A、IKEB、BGPC、RSVPD、LDP
考题
多选题Which three of these statements about penultimate hop popping are true？（）AIt is used only for directly connected subnets or aggregate routes.BIt can only be used with LDP.CIt is only used when two or more labels are stacked.DIt enables the Edge LSR to request a label pop operation from its upstream neighbors.EIt is requested through TDP using a special label value that is also called the implicit-null value.FIt is requested through LDP using a special label value that is also called the implicit-null value.
考题
单选题Which command will display the MPLS label binding for IP prefix 1.1.1.0 on the router？（）A
show tag-switching tdp binding 1.1.1.0/24B
show tag-switching tdp bindings neighbor 1.1.1.0C
show tag-switching interface e0/0D
A and B both will show the binding.E
All of the above.
考题
单选题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.
考题
单选题By default, to which peers will a BGP router advertise routes learned from IBGP peers?（）A
all BGP peersB
all IBGP peersC
all EBGP peersD
all MBGP peers
考题
单选题Which attribute can be associated with an LDP-signaled LSP?（）A
link coloringB
bandwidth reservationC
forwarding equivalence classD
transit label-switch router's IP address
考题
单选题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
考题
单选题What are the "bound IP addresses" used for in LDP？（）A
For each such address and mask /32, one label binding is created.B
As the TCP endpoint, IP addresses are used by the LDP session.C
These addresses are used to find the label binding to put in the LFIB, by looking up these IP addresses in the routing table.D
These addresses are used for penultimate hop popping (PHP) when forwarding packets to the next router directly.
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