If the policies shown below evaluate as described, which action will occur for the listed policy expression?（）
Policy A=True
Policy B=True
Policy C=True
Policy D=False
Policy Expression: !(A&&B)||C

单项选择题Which router translates the Type 7 LSAs into Type 5 LSAs, according to RFC 1587 (OSPF NSSAOption) in an OSPF NSSA with more than one ABR?（）

A. The router receiving the route translates the Type 7 LSA into a Type 5 LSA.
B. The ABR with the lowest router ID translates all Type 7 LSAs into Type 5 LSAs.
C. The ABR with the highest router ID translates all Type 7 LSAs into Type 5 LSAs.
D. All ABRs translate the Type 7 LSAs into Type 5 LSAs depending on which one has the lowest cost to the route.

单项选择题A Candidate RP receives a bootstrap message with a higher priority than its own. What happens?（）

A. Use highest IP address as BSR.
B. Reset the bootstrap timer and continue to listen.
C. Forward all traffic to the bootstrap message originator.
D. Declare self as BSR and send bootstrap messages every 60 seconds.

单项选择题What is the highest (strongest) priority that can be set on an LSP in JUNOS software?（）

A.0
B.7
C.64
D.255

多项选择题Which two LSA types can be used to aggregate inter-area routes?（）

A. Type 2
B. Type 3
C. Type 4
D. Type 5
E. Type 9

单项选择题An IS-IS router is adjacent to and passing traffic with a neighbor. You perform a show isis interface detail command and notice that for some interfaces you have a circuit type of 3. Which IS-IS level(s) is enabled on these interfaces?（）

A. Level 1 only
B. Level 2 only
C. Level 1 and Level 2
D. Level 3 only