A.IPsec tunnel
B.routing equivalence paths
C.traffic engineering tunnel
D.bridge or switch instance
E.groups of IP addresses

A.8
B.4
C.3
D.1
E.2

A.one route processor （RP） Card and one modular services card （MSC）
B.one distributed route processor （DRP） and one S13 fabric card （SFC）
C.one line card chassis （LCC） and one fabric card chassis （FCC）
D.one route processor （RP） and one fabric card chassis （FCC）
E.one line card chassis （LCC） and one S13 fabric card （SFC）

A.UOP port 50
B.IP protocol 51
C.TCP port 51
D.TCP port 50
E.IP protocol 50
F.UDP port51

A.IP unicast in IP unicast
B.IP multicast in IP anycast
C.IP anycast in IP anycast
D.IP multicast in IP unicast
E.IP multicast in IP multicast
F.IP unicast in IP multicast

A.Plncludes the detection time
B.Applies to rings smaller than 1200km
C.Applies to rings smaller than 1000km
D.Includes up to 16 nodes

A.BGP
B.OSPF
C.ISIS
D.RSVP

A.Frame Relay Top Pseudowire
B.Frame Relay Traffic Pseudowire
C.Frame Relay Traffic Protocol
D.Frame Relay Traffic Policing

A.True
B.False

A.It is a label distribution protocol for MPLS
B.It is a set of procedures and messages by which LSRs establish Label Switch Paths （LSPs） through a network
C.Tag distribution Protocol （TDP） was the basis for LDP
D.All of the above are true