A.A BGP router can only advertise an EBGP learned route，provided that the route is an IGP route in the routing table.
B.A BGP router can only advertise an IBGP learned route，provided that the route is an IGP route in the routing table.
C.A BGP router can only advertise an IBGP learned route，provided that the route is an IGP route that is not in the routing table.
D.A BGP router can only advertise an EBGP learned route，provided that the route is a metric of 0 in the BGP table.

A.static route needs to be added
B.floating static route needs to be added
C.bgp backdoor command
D.ospf backdoor command

A.hostTopN
B.matrix
C.statistics
D.history
E.packet capture
F.host

A.HMAC-SHA
B.HMAC-MD5
C.CBC-DES
D.AES
E.3DES

A.PQ
B.CQ
C.WFQ
D.LLQ
E.CBWFQ

A.ICMP path echo
B.UDP echo
C.ICMP path jitter
D.Application Performance Monitor
E.TCP connect

A.Only the FTP PUT operation type is supported.
B.Active mode is supported.
C.Passive FTP transfer modes are supported.
D.FTP URL specified for the FTP GET operation is not supported.