【单选题】A client host uses IPv4 to communicate with one ser ver and IPv6 to communicate with another.Which of the following IPv6 coexistence features is likely at work on the host?()
【简答题】Text 2 Everybody
loves a fat pay rise. Yet pleasure at your own can vanish if you learn that a
colleague has been given a bigger one. Indeed, if he has a reputation for
slacking, you might even be out...
【单选题】Which statement is false regarding the radio operator requirements for a GMDSS-equipment ship station?
A.
One of the qualified GMDSS\noperators must be designated to have primary responsibility for radio\ncommunications during distress incidents.
B.
A\nqualified GMDSS operator, and a qualified backup, must be designated to perform\ndistress, urgency and safety communications.
C.
Maintaining\na record of all incidents connected with the radio communication service which\nappear to be of importance to safety of life at sea is not required
D.
While\nat sea, all adjustments or radio installations, servicing or maintenance of\nsuch installations which may affect the proper operation of the GMDSS station\nmust be performed by, or under the supervision of, a qualified GMDSS operator