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Which statement about the hospital space on a cargo ship is TRUE（）.
A . The hospital may be used for disciplinary confinement if it is not being used for treatment
B . The hospital space must have both a bathtub and shower
C . A hospital is required on all vessels with a crew of 12 or more if it makes overnight voyages
D . If a ship has a crew of forty-five who do not have their own room，the hospital must have four berth
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Which statement is true about a certificate authority？（）
A . An entity responsible for registering the private key encryption used in a PKI
B . An agency responsible for granting and revoking public-private key pairs
C . A trusted third party responsible for signing the public keys of entities in a PKIbased system
D . A trusted third party responsible for signing the private keys of entities in a PKIbased system
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Which of the following statements about pump operations is NOT a correct statement?（）
A . In order for a fluid to be pumped, a fluid must be made to flow
B . A substance must be cold in order for it to be pumped
C . The kinetic energy imparted by the pump can be used to force a liquid through a hydraulic system
D . A pump must receive its energy from an external source
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Which two statements are true about voice ports on a router？（）
A . Calls to the PSTN can be made via the use of FXO or T1/E1 trunk ports.
B . Calls to the PSTN can be made via FXS or T1/E1 trunk ports.
C . Analog and IP phones can be connected to the VoIP network via FXO or T1/E1 trunk ports.
D . Calls between analog phones that are attached to the FXS ports in a VoIP network can be completely processed by voice-enabled routers.
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Which of the following is a correct statement about Workload Partitions （WPARs）？（）
A . WPARs use dedicated cores and shared memory.
B . WPARs are restricted to using dedicated resources.
C . WPARs share the resources of a single AIX instance.
D . WPARs use shared cores， memory， and dedicated network adapters.
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Which two statements are true about a bitmap index？ （）
A . It is recommended for the columns that have unique values.
B . It can be converted to a B-tree index by using the ALTER INDEX command.
C . It has a bitmap segment for each distinct value in the key column， containing a string of bits in which each bit represents the presence or absence of a key column value.
D . Updating the key column locks the whole bitmap segment that contains the bit for the key value to be updated.
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Which two statements are true about a job chain?（）
A . A job chain can contain a nested chain of jobs.
B . The jobs in a job chain cannot have more than one dependency.
C . A job of the CHAIN type can be run using event-based or time-based schedules.
D . The jobs in a job chain can be executed only by using the events generated by the Scheduler
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Which of the following statements about a Sales Catalog is TRUE？（）
A . A store can only have one sales catalog.
B . A sales catalog is used to bundle similar products.
C . A sales catalog may be used to place a product in more than one category.
D . Every store must have a sales catalog.
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Which statement about stopping a vessel is TRUE?（）
A . A lightly laden vessel requires as much stopping distance as a fully laden vessel when the current is from astern
B . A vessel is dead in the water when the back wash from astern operation reaches the bow
C . A tunnel bow thruster can be used in an emergency to reduce the stopping distance
D . When a vessel is dead in the water any speed displayed by doppler log reflects the current
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Which statement is true about the components of a queuing mechanism？（）
A . Each subinterface has its own hardware queue and can experience congestion just like its main interface
B . Hardware queuing is only used if the software queues are experiencing congestion.
C . Hardware queues and software queues are not used concurrently.
D . The hardware queuing system always uses the FIFO queuing mechanism.
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Which two statements are true about a job chain？（）
A . A job chain can contain a nested chain of jobs
B . The jobs in a job chain cannot have more than one dependency
C . A job of the CHAIN type can be run using event-based or time-based schedules
D . The jobs in a job chain can be executed only by using the events generated by the Scheduler
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Which statement is true about a worm attack？（）
A . Human interaction is required to facilitate the spread.
B . The worm executes arbitrary code and installs copies of itself in the memory of the infected computer.
C . Extremely large volumes of requests are sent over a network or over the Internet.
D . Data or commands are injected into an existing stream of data. That stream is passed between a client and server application.
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Which statement is true about a Smurf attack？（）
A . It sends ping requests in segments of an invalid size
B . It intercepts the third step in a TCP three-way handshake to hijack a session
C . It sends ping requests to a subnet， requesting that devices on that subnet send ping replies to a targetsystem
D . It uses Trojan horse applications to create a distributed collection of "zombie" computers， which can beused to launch a coordinated DDoS attack
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Which of the following statements about a lesson plan is inappropriate?
A . It is a teaching guide
B . It is a blueprint to be strictly followed
C . It takes into account syllabus and students
D . It describes in advance what and how to teach
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Which two statements about a wireless repeater topology are true？（）
A . A wireless repeater is an access point that is not connected to the wired LAN.
B . The repeater feature is only available in lightweight access point topologies.
C . The SSID of the root access point must be configured on the repeater access point.
D . This topology requires a 10 - 15 percent overlap between a wired access point and the wireless repeater.
E . This topology requires a 15 - 25 percent overlap between a wired access point and the wireless repeater.
F . To avoid interference， the repeater access point must use a different channel from what the root access point uses.
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Which of the following statements is TRUE about mounting a file system?（）
A . A file system cannot be mounted on a directory containing data.
B . Mounting a file system on a mount point containing data will delete the data.
C . Mounting a file system on a amount point containing data will make the data temporarily inaccessible.
D . A systems administrator must manually create an empty directory prior to mounting an AIX JFS.
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Which statement is true about a Dynamic Chain Selection Module instance?（）
A . It is the first module in the partner module chain in Web Services Security Management （WSSM）.
B . It is the last module in the partner module chain in WSSM.
C . It is the first module in the application module chain for partner.
D . It is the last module in the application module chain for the partner.
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Which of the following is a correct statement about rPerf？（）
A . It can only be used on systems running without partitions.
B . It is relevant for IBM systems running the AIX operating system.
C . It is the main benchmark for sizing systems that will run HPC applications.
D . It has a direct relationship with other benchmarks like TPC-C and SpecjAppServer2004.
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Which two statements are true about voice ports on a router？ （）
A . Calls to the PSTN can be made via the use of FXO or T1/E1 trunk ports.
B . Calls to the PSTN can be made via FXS or T1/E1 trunk ports.
C . Analog and IP phones can be connected to the VoIP network via FXO or T1/E1 trunk ports.
D . Calls between analog phones that are attached to the FXS ports in a VoIP network can be completely processed by voice-enabled routers.
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Which two statements are true about a job chain? （）(Choose two.)
A . A job chain can contain a nested chain of jobs.
B . The jobs in a job chain cannot have more than one dependency.
C . A job of the CHAIN type can be run using event-based or time-based schedules.
D . The jobs in a job chain can be executed only by using the events generated by the Scheduler
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Which is a FALSE statement about methods of comparison and contrast?
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Which of the following statement is NOT correct about a good delivery?
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Which of the following statement about Q & A session is NOT true？
A．Q ﹠ A session is usually held immediately after the oral presentation．
B．Q ﹠ A session only benefits questioners．
C．Q ﹠ A session is an integral part of academic presentations．
D．Q ﹠ A session is arranged for most of the international academic conferenc
E．
