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You are making a telephone call ship-to-shore using the VHF-FM service.You can tell that the working channel is busy if you hear().
A . Speech
B . Signaling tones
C . A busy signal
D . All of the above
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In the daytime,you see a large sailing vessel on the beam. You know that she is also propelled by machinery if she shows().
A . a basket
B . a black ball
C . a black cone
D . two black cone
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While inspecting the main bearings on a diesel engine you find impregnated dirt and scratches in the bearing surface you would, therefore, suspect that ()
A . the bearing had been overheated
B . water was present in the oil
C . the lube oil was not being properly filtered
D . the maximum allowable bearing pressure had been exceeded
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If you know that the vessel you are about to call on the VHF radio maintains a radio watch on both the working and the calling frequencies,which frequency should you call on? ()
A . Calling frequency
B . Distress frequency
C . Urgency frequency
D . Working frequency
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If you are loading fruit in reefer spaces and you notice that the fruit is beginning to mold, you should().
A . carry the cargo at a cooler temperature than originally planned
B . write up exception on the cargo
C . refuse to carry the cargo
D . discharge CO
into the compartment after loading
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You suspect that a hacker may be performing a MAC address flooding attack somewhere within the network. Which description correctly describes a MAC address flooding attack?()
A . The attacking device spoofs a source MAC address of a valid host currently in the CAM table. The switch then forwards frames destined for the valid host to the attacking device.
B . Frames with unique, invalid destination MAC addresses flood the switch and exhaust CAM table space. The result is that new entries cannot be inserted because of the exhausted CAM table space, and traffic is subsequently flooded out all ports.
C . The attacking device crafts ARP replies intended for valid hosts. The MAC address of the attacking device then becomes the destination address found in the Layer 2 frames sent by the valid network device.
D . The attacking device crafts ARP replies intended for valid hosts. The MAC address of the attacking device then becomes the source address found in the Layer 2 frames sent by the valid network device.
E . The attacking device spoofs a destination MAC address of a valid host currently in the CAM table. The switch then forwards frames destined for the valid host to the attacking device.
F . Frames with unique, invalid source MAC addresses flood the switch and exhaust CAM table space. The result is that new entries cannot be inserted because of the exhausted CAM table space, and traffic is subsequently flooded out all ports.
G . None of the other alternatives apply
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If an auxiliary diesel engine temperature is higher than normal ,but the thermostat is determined not to be defective you would suspect a /an ()
A . cavitation erosion in the water jackets
B . excess corrosion inhibitor in the coolant
C . dirty jacket water cooler
D . defective turbocharger
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If you suspect a diesel engine is misfiring due to air leakage into the fuel system, you should begin looking for the leak at the ()
A . fuel line connections to cylinder injection valves
B . gasket surfaces of the fuel oil filters
C . discharge fitting of the fuel injector pumps
D . suction side of the fuel oil tra
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If a diesel engine is difficult to start and operates with the engine temperatures lower than normal, you should suspect that the ().
A . compression pressures are below normal
B . lube oil is diluted with fuel oil
C . cranking speed is too low
D . exhaust system is partially restricted
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You are unable to telnet to a router at address 203.125.12.1 from a workstation with the IP address 203.125.12.23. You suspect that there is a problem with your protocol stack. Which of the following actions is most likely to confirm your diagnosis?()
A . ping 127.0.0.0
B . ping 203.125.12.1
C . telnet 127.0.0.1
D . ping 127.0.0.1
E . tracert 203.125.12.1
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The master can refuse to()in the bill of lading the statements required by the Act if either he has reasonable grounds for suspecting that the information given by the shipper is inaccurate,or he has no reasonable means of checking it.
A . inoculate
B . innovate
C . inordinate
D . incorporate
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7.But what if none of them contain the ----- that you need?
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If you are talking about the future, and if you say, “________________” about something, then it means that you think it will never really happen.
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It is said that if anyone touches the tree, you will have bad luck.
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If you want him to ________ you the money, you have to prove that you will be able to give it back.
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听力原文:M: If you had waited until after the Christmas holidays, you could have bought that dress for much less.
W: I know that, but I needed it immediately. I had an important meeting to attend.
Q: What are the two speakers discussing?
(19)
A.They are discussing how to celebrate the coming Christmas holidays.
B.They are discussing whether the woman should buy the new dress.
C.They are discussing when the woman will attend the meeting.
D.They are discussing what to do after the Christmas holidays.
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听力原文:M: If you had waited until after the New Year holidays, you could have bought that dress for much less.
W: I know that, but I needed it immediately. I had a wedding reception to attend.
When did the woman buy the dress?
A.Shortly after the New Year’s Day.
B.In the spring.
C.During the New Year's holidays.
D.During a sale.
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—My goodness! I've just missed the train—That's too badI am sure you______ it, if you had hurried.
A.could have caught
B.had caught
C.would catch
D.could catch
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I'd like to remind you that there is no_____on the part of suspects to answer questions.
A. obligation
B.evidence
C.transaction
D.motivation
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What____would happen if the director knew you felt that way?
A、will you suppose
B、you suppose
C、do you suppose
D、you would suppose
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My goodness. I just missed the train. -- That’s too bad. I am sure you () it, if you had hurried
A.A.could have caught
B.B.had caught
C.C.could catch
D.D.caught
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Inappropriate attire for an interview make the interviewer suspect that you do not have good judgment as to what the right behavior. should be in a formal setting.
A.Right
B.Wrong
C.Not mentioned
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If that's the case, could you please be big enough to say you are sorry?
A.如果事实如此,请你大大方方地去说声抱歉好吗?
B.在那个案子上,你能大度一点去说声对不起吗?
C.如果事实就是那样,你能大度一点去说声对不起吗?
D.如果事实如此,你能大度一点去说声对不起吗?
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I'd like to remind you that there is no _____ on the part of suspects to answer qu
A.A.transaction
B.B.obligation
C.C.motivation
D.D.evidence