A routing protocol is required that supports: 1)routing update authentication 2)an addressing scheme that conserves IP addresses 3)multiple vendors 4)a network with over 50 routers Which routing protocol fulfills these requirements（）。
1、It is required that ships proceeding a
It is required that ships proceeding at sea should keep continuous watch on（）.AVHF channels 16 and 13BAppropriate DSC distress and safety frequenciesCINMARSAT TDM message channelDVHF channel 70 and channel 8
2、Coast Guard regulations require that a
Coast Guard regulations require that all of the following emergencies be covered at the periodic drills on a fishing vessel EXCEPT（）.Aminimizin...
3、Which routing protocol supports a flex
Which routing protocol supports a flexible area structure using routing levels one and two?（）AOSPFBEIGRPCIS-ISDBGP
4、On a ship，a door that is required to b
On a ship，a door that is required to be marked KEEP CLOSED is designed to（）.Aprevent the passage of flammable gasesBprevent the passage of poisonous vaporsCdelay the spread of heat and flamesDmaintain watertight integrity
5、What is NOT accepted as the required s
What is NOT accepted as the required shipping papers on a manned and loaded tank barge? （）ABill of LadingBManifestCShipping documentDLogbook entry
6、Which is NOT a required entry in the s
Which is NOT a required entry in the ship’s Official Logbook?（）ASale of effects of a deceased crew memberBMedical treatment of an injuryCInspections of cargo gearDDrydocking of the vessel