[单项选择]Why is a warning sign displayed at the gangway or access point of a barge during cargo transfer（）.
A. To keep visitors away from the barge
B. To prohibit smoking
C. To prohibit open lights
D. All of the above

[单项选择]You must rig gangway combined（）pilot ladder.
A. in
B. on
C. at
D. with

[单项选择]Please have the damage to the gangway（）.
A. repair
B. to repair
C. repairing
D. repaired

[单项选择]Gangway （）with pilot ladder on my starboard side．
A. being rigged combined
B. is rigged combining
C. rigs combining
D. is rigged combined

[单项选择]Please have the damage on gangway（）as soon as possible for account of the Stevedore Company.
A. repaired
B. repair
C. repairing
D. repairs

[单项选择]The information received by AIS will be displayed on（）.
A. DCU
B. UTC
C. ENC
D. MENU

[单项选择]Navigation lights must be displayed in all weathers from sunset to sunrise. They also（）.
A. must be displayed when day signals are being used
B. must be displayed when moored to a pier
C. may be extinguished at night on open waters when no other vessels are in the area
D. may be displayed during daylight

[单项选择]A FICTIVE LINE DISPLAYED ON THE RADAR SCREEN SEPARATING THE FAIRWAY FOR INBOUND AND OUTBOUND VESSELS SO THAT THEY CAN SAFELY PASS EACH OTHER defines（）.
A. Separated line
B. Divided line
C. Reference line
D. Segregated line

[单项选择]A flashing green light displayed at a single lock means that the lock is（）.
A. ready for entrance
B. ready for entrance，but gates cannot be closed completely
C. being made ready for entrance
D. not ready for entrance

[单项选择]Day-shapes must be displayed（）.
A. Between sunset and sunrise
B. Only between 8 AM and 4 PM
C. During daylight hours in any visibility
D. During daylight hours in unrestricted visibility only

[单项选择]A flashing red light displayed at a single lock means that the lock（）.
A. is ready to use but vessels must stand clear
B. is ready to use and vessels may approach
C. cannot be made ready immediately and vessels shall stand clear
D. cannot be made ready immediately but vessels may approach

[单项选择] The network is displayed in the diagram below： You use the following information for switch SWA：  Port Mode Encapsulation Status Native VLAN fa0/1 desirable n-802.1q trunking 5 Port VLANs is allowed on trunk fa0/ 1 1-100， 102-1005  Port VLANs is owned and active in management domain fa0/1 1-6. 8-100， 102-115， 197-999， 1002-1005  Port VLANs in spanning tree forwarding state and not pruned fa0/1 1-6， 8-100， 102-105， 108-999， 1002-1005  SW users in VLAN 107 complain that they are unable to gain access to the resources through theSW1 router.  What is the cause of this problem？（）
A. VLAN 107 is not configured on the trunk
B. VLAN 107 does not exist on switch SWA
C. VTP is pruning VLAN 107
D. Spanning tree is not enabled on VLAN 107
E. None of the other alternatives apply

[单项选择]（）day，pilot flag should be displayed from main mast．
A. From
B. By
C. on
D. With

[单项选择]A message giving warning of a hurricane should have which prefix when sent by radiotelephone?（）
A. Pan-Pan (3 times)
B. Securite Securite Securite
C. TTT TTT TTT
D. No special prefix

[单项选择]（）your latest tropical storm warning information?
A. What is
B. How is
C. What are
D. How are