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If authentication is enabled，which statement is true？（）
A . client reports will display authenticated usernames
B . client reports will display both the username and IP address of the clients
C . client reports are not affected by authentication
D . client reports will display the IP address of the authentication server
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Which is standing rigging（）.
A . Halyards
B . Stays
C . Sheets
D . Downhaul
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Which IS - IS router is equivalent to an ABR in OSPF?（）
A . Level 2 - 3
B . Level 1 - 2
C . Level 2
D . Level 0
E . Level 3
F . Level 1
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Which statement is false？（）
A . custom URL categories cannot contain IP addresses
B . custom URL categories cannot override predefined URL categories
C . custom URL categories can contain domain names
D . custom URL categories can use regular expressio
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Which statement is true？（）
A . the L4TM allow list overrides the block list
B . the overlap of the L4TM allow list and block list is the L4TM grey list
C . the L4TM block lists override the allow lists
D . L4TM allow list and block list overlaps are not permitted
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Which two statements are true about IS -IS routing?（）
A . Based on the default timers, OSPF d etects a failure faster than IS - IS does.
B . OSPF default timers permit more tuning than IS - IS does.
C . IS - IS is more efficient than OSPF in the use of CPU resources.
D . OSPF is more scalable than IS - IS because of its ability to identify normal, stub, an d NSSA areas.
E . IS - IS and OSPF are both Open Standard, link - state routing protocols which support VLSM.
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Which three are benefits of IS - IS over OSPF?（）
A . supports route tags
B . supports more routers in an area
C . does not require Hello packets to establish neighbor relationships
D . produces fewer link state advertisements for a given network
E . supports network layer protocols other than IP
F . requires fewer neighbor relationships in a broadcast multiaccess network
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Which is a valid identifier？（）
A . false
B . default
C . _object
D . a-cla
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Which statement is true？（）
A . If only one thread is blocked in the wait method of an object， and another thread executes the modify on that same object， then the first thread immediately resumes execution.
B . If a thread is blocked in the wait method of an object， and another thread executes the notify method on the same object， it is still possible that the first thread might never resume execution.
C . If a thread is blocked in the wait method of an object， and another thread executes the notify method on the same object， then the first thread definitely resumes execution as a direct and sole consequence of the notify call.
D . If two threads are blocked in the wait method of one object， and another thread executes the notify method on the same object， then the first thread that executed the wait call first definitely resumes execution as a direct and sole consequence of the notify call.
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Which is a valid identifier？（）
A . false
B . default
C . _object
D . a-cla
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Which is wrong?（）.
A、Make any noise with the mouth,suchasnoisilysipping the soup or smacking the lips.
B、Put much food in your mouth at a time.
C、Keep your lips closed while you are chewing.
D、Go on talking while chewing.
E、Do not talk as long as there is food in your mouth.
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Which statement is true？（）
A . If only one thread is blocked in the wait method of an object， and another thread executes the modify on that same object， then the first thread immediately resumes execution.
B . If a thread is blocked in the wait method of an object， and another thread executes the notify method on the same object， it is still possible that the first thread might never resume execution.
C . If a thread is blocked in the wait method of an object， and another thread executes the notify method on the same object， then the first thread definitely resumes execution as a direct and sole consequence of the notify call.
D . If two threads are blocked in the wait method of one object， and another thread executes the notify method on the same object， then the first thread that executed the wait call first definitely resumes execution as a direct and sole consequence of the notify call.
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Which two statements are true about IS - IS?（）
A . Interfaces have a default metric of 1.
B . Level 1 is intra - area and level 2 is interarea.
C . Level 1 routing is between an end system (ES) and IS while Level 2 routing is between an IS and IS.
D . Hosts send ISHs while routers send ESHs.
E . IS - IS is an open standard.
F . Metrics depend on interface speed.
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When oily water separator is operating, which measure （） is wrong.
A . pay attention to operating parameters
B . renew and clean separating units in time
C . check oil level in separator to prevent overload
D . check separating effect, if it is bad, flush with large capacity water pum
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Which one is not true?（）
A . Two main areas of skill are involved in the construction of ship
B . There are distinct divisions in responsibilities between naval architects and marine engineers
C . Each ship will assume varying proportions according to its type
D . Ships can be divided into different categories from different perspective
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Which is a negotiable document? （）
A . Bill of Lading
B . Cargo Manifest
C . Export Declaration
D . Receiving Report
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Which statement is true？（）
A . A flow layout can be used to position a component that should resize horizontally when the container is resized.
B . A grid layout can be used to position a component tat should maintain a constant size even when the container is resized.
C . A border layout can be used to position component that should maintain a constant size even when the container is resized.
D . The grid bag layout can be used to give a grid-like layout which differs from the normal grid in that individual rows and columns can have unique sizes.
E . If two components are placed in the same column of a grid bag layout， and one component resizes horizontally， then the other component must resize horizontally.
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A vessel’s quarter is that section which is（）.
A . abeam
B . dead astern
C . just aft of the bow
D . on either side of the ster
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Which statement is NOT TRUE?
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which activity is outdoor activity?
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It is easy enough to tell which is earth and which is sky.()
对
错
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It is enough easy to tell which is earth and which is sky.()
对
错
