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发布时间:2023-10-17 07:09:55

[单项选择]The information regarding ports such as buoyed channels,fairway,location and number of terminals,river channels,details of navigational marks,location of overhead bridges, underground cables etc. are shown in()
A. small-scale charts
B. medium-scale charts
C. large-scale charts
D. natural scale charts

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[单项选择]For full information regarding the current circulation of the Indian Ocean,() Sailing Direction,Current Atlas,etc.
A. watch
B. look for
C. see
D. regard
[单项选择]All lighterage in or off ports of loading or ports of discharge shall be for the account of ().
A. the carrier
B. the merchant
C. the owner
D. the shipper
[单项选择]Clogged or partially obstructed exhaust ports on a diesel engine can cause()
A. over-speeding of the engine
B. failure of the engine to shut down
C. no effect of engine mounting bolts
D. high exhaust temperatures
[单项选择]A switch is configured with all ports assigned to vlan 2 with full duplex FastEthernet to segment existing departmental traffic. What is the effect of adding switch ports to a new VLAN on the switch?()
A. More collision domains will be created.
B. IP address utilization will be more efficient.
C. More bandwidth will be required than was needed previously.
D. An additional broadcast domain will be created.
[单项选择]The exhaust ports are located around the lower part of the cylinder liner, ()the products of combustion are driven by scavenging air.
A. in which
B. by which
C. through which
D. from which
[多项选择]What are three valid reasons to assign ports to VLANs on a switch? ()
A. to make VTP easier to implement
B. to isolate broadcast traffic
C. to increase the size of the collision domain
D. to allow more devices to connect to the network
E. to logically group hosts according to function
F. to increase network security
[单项选择]After oil pollution occurs in Chinese ports,what action shall be first taken by ship’s Captain and Chief Engineer?()
A. to use the oil dispersant
B. to organize the persons to collect the oil
C. to report the matter to MSA and ask for instructions
D. to put forward an accident report within 24 hours
[单项选择]In order to keep excess oil from the intake ports in two-stroke/cycle diesel engines, ()
A. wide compression rings are used
B. oil rings are located above the piston
C. chromium plating is used on all piston rings
D. oil rings are located near the bottom of the piston skirt
[单项选择]Which of the following statements regarding low expansion foam and its application is INCORRECT?().
A. Foam should not be used on electrical fires
B. One kilo of low expansion foam solution produces much more foam
C. Foam is only efficient when it covers the top of burning combustibles
D. A stream of foam should be deflected off the deck in order to best agitate the fire
[多项选择]Refer to the exhibit. The two connected ports on the switch are not turning orange or green. What would be the most effective steps to troubleshoot this physical layer problem?()
A. Ensure that the Ethernet encapsulations match on the interconnected router and switch ports.
B. Ensure that cables A and B are straight-through cables.
C. Ensure cable A is plugged into a trunk port.
D. Ensure the switch has power.
E. Reboot all of the devices.
F. Reseat all cables.
[单项选择]The ports are drilled in the liners at an angle of approx 20℃ the result being that () is given a rotary movement.
A. the scavenging air
B. the exhaust gases
C. the mixed air
D. the spray oil
[多项选择]Which two of these statements regarding RSTP are correct? ()
A. RSTP cannot operate with PVST+.
B. RSTP defines new port roles.
C. RSTP defines no new port states.
D. RSTP is a proprietary implementation of IEEE 802.1D STP.
E. RSTP is compatible with the original IEEE 802.1D STP.
[单项选择]The Vessel can be()in lawful trades between ports,anchorages or places where it is customary for similar size vessels to lie safely aground.
A. Permalloyed
B. Destroyed
C. Deployed
D. employed
[单项选择]Three access ports have been installed and configured to a small office.What term defines the wireless topology?()
A. IBSS
B. BSS
C. ESS
D. SSID
[单项选择]When inspecting piston rings through the ports of a two-stroke/cycle diesel engine, black areas on the sealing surfaces are the result of ()
A. insufficient lubrication
B. improper piston cooling
C. blow-by
D. overload operation
[单项选择]Topside icing that blocks freeing ports and scuppers().
A. is usually below the center of gravity and has little effecton stability
B. will cause water on deck to pocket and increase stability
C. may decrease stability by increasing free surface effect due to water on deck
D. increases the effective freeboard and increases thewind-heel affect
[单项选择]Directional intake ports in diesel engines are used to ().
A. reduce air charge turbulence
B. induce air swirl
C. deflect hot combustion gas away from the valves
D. oppose the effects of piston induced squish
[多项选择]Which two statements are true regarding EIGRP?()
A. Passiveroutes are in the process of being calculated by DUAL.
B. EIGRP supports VLSM, route summarization, and routing update authentication.
C. EIGRP exchanges full routing table information with neighboring routers with every update.
D. If the feasible successor has a higher advertised distance than the successor route, it becomes the primary route.
E. A query process is used to discover a replacement for a failed route if a feasible successor is not identified from the current routing information.

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