Which attribute can be associated with an LDP-signaled LSP?（）

多项选择题Which three can be specified within an RSVP session attribute object?（） (Choose three.)

A. hold priority
B. setup priority
C. FEC IP address
D. resource availability
E. local protection option

多项选择题Which two types of nodes are included in an MPLS explicit route? （）(Choose two.)

A.peer
B.strict
C.loose
D.system

单项选择题Which type of hop in an ERO must be directly connected to the previous hop?（）

A.full
B.strict
C.loose
D.partial

多项选择题An RSVP session is maintained with the periodic exchange of which two message types?（） (Choose two.)

A.path
B.resv
C.session
D.keepalive

单项选择题How is an RSVP resv message sent back to the ingress router?（）

A. reverse path of the RRO
B. least cost to the ingress router
C. shortest path to the egress router
D. reverse path of the path vector TLV