Which statement is TRUE in an overtaking situation（）.

A . When at anchor，the pilot vessel is only required to sound anchor signals B . The identification signal must be sounded any time the pilot vessel is underway C . The pilot vessel may only sound the identity signal when making way D . All of the above

A . By default, EM express is available for a database after database creation. B . You can use EM express to manage multiple databases running on the same server. C . You can perform basic administrative tasks for pluggable databases by using the EM express interface. D . You cannot start up or shut down a database Instance by using EM express. E . You can create and configure pluggable databases by using EM express.

A . A safe-water buoy will display red and white vertical stripes of reflective material B . All reflective material is white because it is the most visible at night C . A special-purpose mark will display either red or green reflective material to agree with its shape D . A preferred-channel buoy displays either red or green reflective material to agree with the top band of color

A .  An XML file containing all details of the system， including IP address and cluster details  B .  A binary file containing only service profiles， pools， and other items configured after initial configuration C .  A binary file containing all details of the system， including IP address and cluster details D .  An XML file containing only service profiles， pools， and other items configured after initial configuration E .  A text file with the NX-OS running configuratio

A . If a labeled packet arrives with the top most label of 17， it will be replaced with label 19 and sent out on Ethernet 0/0 interface. B . If a labeled packet arrives with the top most label of 19， it will be replaced with label 17 and sent out on Ethernet 0/0 interface. C . If a labeled packet arrives with the top most label of 17， all the labels will be removed and a clear IP Packet is sent to Next Hop 192.168.0.14 on Ethernet 0/0. D . None of the above.

A .  They are created automatically and stored on the FI B .  They are created manually and exported to a remote server C .  They are automatically scheduled to run every 24 hours D .  They are manually scheduled and stored on the FI

A .  Archive log generation is suspended until the tablespaces are taken out of hot backup mode.  B .  Datafiles are not written to during hot backups. C .  Changes to the database are cached during the backup and not written to the datafiles to ensure that the datafiles are consistent when recovered. D .  The datafile headers are not updated during the backup. E .  The way data is written to the online redo logs is unchanged during the backup.

A .  Compression can be enabled at the table， tablespace， or partition level for direct loads only. B .  Compression can be enabled only at the table level for both direct loads and conventional DML. C .  Compression can be enabled at the table， tablespace， or partition level for conventional DML only. D .  Compression can be enabled at the table， tablespace， or partition level for both direct loads and conventional DML.

A .  CAC is used to allocate enough bandwidth for the number of calls that are allowed on the VoIP network. B .  CAC is used to protect the quality of the voice calls by preventing call establishment if enough resources are not available on the network. C .  CAC provides queuing mechanisms for voice calls if the packets exceed the configured or budgeted rate. D .  In a VoIP network the CAC can be replaced with the LLQ QoS mechanism if it has been properly implemented.

A . The data files can be recovered till the last committed transaction. B . The data files can be recovered without shutting down the database. C . The data file is taken offline automatically； the database remains open. D . The data files can be recovered to the time of the most recent backup.

A . Sweat damage in containers is unusual due to the small enclosed volume of air B . In general，containerized hygroscopic cargoes are the only ones subject to sweat damage C . Containers should be ventilated，dehumidified，or the contents physically protected against sweat damage D . Sweat damage is not a problem except in insulated and refrigerated container

A . the VoIP endpoints have the intelligence to set up and control calls B . Call setup and control functionality is centralized in one call agent or cluster C . Call setup and control resides in call agents that are distributed throughout the network D . Each VoIP device has separate call control， voice packetization， and transport mechanism

A . ssids are not case-sensitive. B . ssids must be listed in the same order in the adu as they are in the access point. C . a maximum of three ssids may be configured. D . ssids may have a maximum of 16 characters.

A . Fabric interconnect can never participate in VTP B . Fabric interconnect supports ISL and 802.1Q trunking C . The supported range of VLANs is auto-configured by UCS D . VLANs are configured through the Cisco UCS manager. （fabric interconnect may be set up in switch mode）

A . The ventilators will automatically close by the action of fusible links B . The motor takes its air supply from outside the lifeboat to prevent asphyxiation of the crew C . A water spray system to cool the outside of the boat is operated by a high-volume manual pump D . An air tank will provide about ten minutes of air for the survivors and the engine

A .  Assertion expressions should not contain side effects. B .  Assertion expression values can be any primitive type. C .  Assertion should be used for enforcing preconditions on public methods. D .  An AssertionError thrown as a result of a failed assertion should always be handled by the enclosing method.

A . The cargo block should be tightly packed if the cargo is suitably chilled upon delivery to the vessel B . Both sides of each crate must be checked for the temperature and the appearance of the fruit C . The cargo block should be stowed with air channels built throughout the stowed cargo D . The crates should NEVER be stowed brick fashio

A. It is estimated that one-third of Canadians were born in other countries. B. Immigration has always been an important source of its population growth. C. Immigration has played an important role in the development of its economy. D. in the past Britain and Western Europe were the principal sources of Canadian immigration.

A Half of US energy is produced there. B The majority of undiscovered natural gas is stored there. C Most of coal was produced from there in 2000. D Most energy resources are reserved there.

A．Computers have educational uses． B．Computers offer games that occupy children' s learning time C．Computers shouldn' t take the place of teaching in the classroom． D．Computers help children focus their attention on study．

A．The structure of the universe is similar to that of the individual. B．Humans are the spiritual center of the cosmos. C．All knowledge begins with self-knowledge. D．It is the shared perspective that made these five writers famous. 此题为多项选择题。

A．Only the twins are defected. B．Most of the babies are delivered by means of Caesarean. C．There are some troubles during all mothers' pregnancies. D．One baby appears to be abnormal.

A．The company will grant more budgets. B．The company will invest carefully. C．The company will cut all training programs.

A．They threaten the profitability of established companies B．They are usually encouraged by established companies C．They find it easier to enter an industry when the entry barriers are high D．They find it easier to enter an industry when established companies have economies of scale E．They usually have an absolute cost advantage over established companies