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

A . All CE devices emulate a bridge B . All provider devices emulate a bridge C . Hierarchical VPLS reduces signaling overhead D . Each PE device emulates a bridge E . Each CE device emulates a bridge

A . The LIKE operator cannot be used with single-row subqueries  B . The NOT IN operator is equivalent to IS NULL with single-row subqueries  C . =ANY and =ALL operators have the same functionality in multiple-row subqueries  D . The NOT operator can be used with IN, ANY, and ALL operators in multiple-row subqueries&e

A . It cannot be used in all parts of the world B . There are 12 functioning GPS satellites at present C . It may be suspended without warning D . Two position lines are used to give a 2D fix

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

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.

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.

A .  NPIV provides a means to assign multiple Fibre Channel IDs to a single N-port. B .  NPIV can be enabled on a per-VSAN basis. C .  NPIV requires a "write erase" and then reload the switch in order to come up into NPIV mode.  D .  NPIV is a Cisco proprietary feature and as such works only between two Cisco switches. E .  NPIV must not be enabled on a switch that is also running N-port virtualization.

A . Synonyms can be created only for a table  B . Synonyms are used to reference only those tables that are owned by another user  C . A public synonym and a private synonym can exist with the same name for the same table  D . The DROP SYNONYM statement removes the synonym, and the table on which the synonym has been created becomes invalid

A . RIPng allows for routes with up to 30 hops. B . RIPng is enabled on each interface separately. C . RIPng uses broadcasts to exchange routes. D . There can be only one RIPng process per router.

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.

A . Influencing users to forward a call to a toll number （for example， a long distance or international number） B . Influencing users to provide personal information over a web page C . Using an inside facilitator to intentionally forward a call to a toll number （for example， a long distance orinternational number） D . Influencing users to provide personal information over the phone

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.

A.The Port State Control Officer has no right to check a SSP B.The Master has the right to refuse the request from a Port State Control Officer to check the confidential part of the SSP on board C.The Confidential part of a SSP can never be subject to non-flag State D.Even the flag State has no right to check the SSP thoroughly

A．The stockholder can sell his stock to anywhere at anytime. B．There were no stock exchange in England in the 1700's. C．The price of stock is not stable. D．The stockbrokers do the transaction without charging for the stockholders.

A．The stories of Harry Potter are criticized in some other cities in U.S except New Mexicon B．Young people are fascinated with Harry Potter C．Christian churches hate Harry Potter D．Pastor Jack Brock planned to burn the Harry Potter books on Sunday

A．Susan’s Kitchen' was furnished prettily. B．Joe is Susan’s husband. C．Lucy once met Joe at Bradshow’s garage. D．None of the above.

A．Many detainees in Guantanamo Bay have been held for more than 2 years. B．U.S government doesn't permit Wilner to discuss their cases. C．Some of the Kuwaitis are members of Taliban. D．Human rights group are deeply concerned about the situation of the detainees.

A．The earliest men differed from men today. B．Modern man has developed from a simpler animal of its kind. C．The earliest men had much smaller brains than men today. D．A large number of the earliest men have also survived though they were weaker.

A、The genes involved in cancer are all classed as oncogenes. B、All genes involved in cancer are of a class called tumor suppressor genes. C、Both oncogenes and tumor suppressor genes are involved in cancer. D、No unifying classifications can be applied to the genes involved in cancer.