A、root port,designated port,alternate port,backup port,and disabled B、standby port,alternate port,root port,and disabled C、standby port,designated port,backup port,and disabled D、root port,designated port,alternate port,and standby port
A、root port,designated port,alternate port,backup port,and disabled B、standby port,alternate port,root port,and disabled C、standby port,designated port,backup port,and disabled D、root port,designated port,alternate port,and standby port
A、Designated port B、Nonswitch port C、Switch port D、Nonroot port E、Nondesignated port F、Root port
A、 port 21(ftp):tcp and port 657(rmc):tcp B、 port 22(ssh):tcp and port 657(rmc):udp C、 port 657(rmc):tcp and port 657(rmc):udp D、 port 161(snmp):tcp and port 161(snmp):udp
A、 Receive port: Enabled, Transmit port: Enabled B、 Receive port: Enabled, Transmit port: Desired C、 Receive port: Enabled, Transmit port: Disabled D、 Receive port: Disabled, Transmit port: Desired E、 Receive port: Desired, Transmit port: Desired
A、Root port B、Nondesigned port C、Designated port D、Backup port E、Alternate port F、None of the other alternatives apply
A、 four station ports and four trunk ports (4xFXS and 4xFXO) B、 two station ports (2xFXS) C、 eight station ports (8xFXS) D、 one station port and one trunk port (1xFXS and 1xFXO)