（ ）is especially valuable in locations where electrical connections are not availableA.MicrocomputerB.MinicomputerC.MainframeD.Notebook PC
（ ）is especially valuable in locations where electrical connections are not available
A.Microcomputer
B.Minicomputer
C.Mainframe
D.Notebook PC
相关考题：
The modern machine proved () in heart surgery. A.high valuableB.highly valuableC.valuable highD.valuable highly
Data about consumers and their consumption habits are valuable, especially when that information is carefully analyzed and used to target marketing campaigns.
Data about () and their () are valuable, especially when that information is carefully analyzed and used to target marketing campaigns. A、consumersB、market situationC、consumption habitsD、buyers
Examine the structure of the EMPLOYEES, DEPARTMENTS, and LOCATIONS tables.EMPLOYEESNOT NULL,EMPLOYEE_ID NUMBERPrimary KeyVARCHAR2EMP_NAME(30)VARCHAR2JOB_ID(20)SALARY NUMBERReferencesMGR_ID NUMBEREMPLOYEE_IDcolumnDEPARTMENT_ID NUMBER Foreign key toDEPARTMENT_IDcolumn of theDEPARTMENTStableDEPARTMENTSNOT NULL, PrimaryDEPARTMENT_ID NUMBERKeyVARCHAR2DEPARTMENT_NAME(30)References NGR_IDMGR_ID NUMBERcolumn ofthe EMPLOYEES tableForeign key toLOCATION_ID NUMBERLOCATION_IDcolumn of theLOCATIONS tableLOCATIONSNOT NULL, PrimaryLOCATION_ID NUMBERKeyVARCHAR2CITY|30)Which two SQL statements produce the name, department name, and the city of all the employees who earn more then 10000?（）A. SELECT emp_name, department_name, city FROM employees e JOIN departments d USING (department_id) JOIN locations 1 USING (location_id) WHERE salary 10000;B. SELECT emp_name, department_name, city FROM employees e, departments d, locations 1 JOIN ON (e.department_id = d.department id) AND (d.location_id =1.location_id) AND salary 10000;C. SELECT emp_name, department_name, city FROM employees e, departments d, locations 1 WHERE salary 10000;D. SELECT emp_name, department_name, city FROM employees e, departments d, locations 1 WHERE e.department_id = d.department_id AND d.location_id = 1.location_id AND salary 10000;E. SELECT emp_name, department_name, city FROM employees e NATURAL JOIN departments, locations WHERE salary 10000;
Click the Exhibit button. Given the following parameters: transmitter output (min): -2 dBm receiver input (min): -28 dBm 15216 Mux and Demux loss: 4.5 dB 16 channels maximum In which sites shown in the exhibit could the 15216 EDFAs be placed to minimize the number of EDFAs needed?（）A. Locations B, C onlyB. Locations A, B, C onlyC. Locations A, B, D onlyD. Locations B, C, D onlyE. Locations A, B, C, D
Loran-C is which type of system ________．A.Reflected electronB.Electrical radiationC.Quarterpoint electrical navigationD.Hyperbolic radio navigation
Following is the list of locations in random order where oranfstab can be placed. 1./etc/mtab 2.$ORACLE_HOME/dbs/oranfstab 3./etc/oranfstab What is the sequence in which Direct NFS will search the locations?（）A、1, 2, 3B、3, 2, 1C、2, 3, 1D、1, 3, 2
Ground transport is typically more affordable than air， but more expensive than sea especially in developing countries where inland infrastructure is not efficient.
How does the Juniper DX accelerate web servers? （）A、by translating HTTP requests to HTTPSB、by refusing client connections that are unnecessarily refreshed by end usersC、by multiplexing numerous client-side connections to fewer server-side connectionsD、by multiplexing numerous server-side connections to fewer client-side connections
When installing a server in a rack， which of the following locations describes where in the rack a server should be installed？（）A、On the very bottom U of the rack， with the UPS above the serverB、In the middle of the rack to help balance the rackC、Closest to the bottom of the rack， above heavier equipmentD、On the very top U of the rack， with the UPS directly below it
In Windows 2000， where should you go to join a workgroup or domain？（）A、Device ManagerB、System PropertiesC、Membership ManagerD、Network and Dial Up Connections
Following is the list of locations in random order where oranfstab can be placed. 1./etc/mtab 2.$ORACLE_HOME/dbs/oranfstab 3./etc/oranfstab What is the sequence in which Direct NFS will search the locations？（） A、 1，2，3B、 3，2，1C、 2，3，1D、 1，3，2
Which three types of information does the control file contain？（）A、Current log sequence.B、Recover tuning parameters.C、Redo log names and locations.D、Data file names and locations.E、Undo segment names and locations.
单选题When electrical equipment is involved in a fire，the stream of dry chemicals should be（）.Aaimed at the source of the flamesBfogged above the equipmentCshot off a flat surface onto the flamesDused to shield against electrical shock
判断题Ground transport is typically more affordable than air， but more expensive than sea especially in developing countries where inland infrastructure is not efficient.A对B错
多选题Which three types of information does the control file contain？（）ACurrent log sequence.BRecover tuning parameters.CRedo log names and locations.DData file names and locations.EUndo segment names and locations.
单选题When installing a server in a rack， which of the following locations describes where in the rack a server should be installed？（）AOn the very bottom U of the rack， with the UPS above the serverBIn the middle of the rack to help balance the rackCClosest to the bottom of the rack， above heavier equipmentDOn the very top U of the rack， with the UPS directly below it
多选题A network is deployed using best practices of the enterprise campus network model， including users with desktop computers connected via IP phones. Given that all components are QoS-capable， where are the two optimal locations for trust boundaries to be configured by the network administrator？（）AhostBIP phoneCaccess layer switchDdistribution layer switchEcore layer switch
单选题When a rescuer finds an electrical burn victim in the vicinity of live electrical equipment or wiring，his first step is to（）.Aflush water over any burned area of the patientBapply ointment to the burned areas on the patientCget assistance to shut down electrical power in the areaDremove the patient from the vicinity of the live electrical equipment or wiring
单选题Steven Muller believes that higher education fails to ______.Ainform the students of what is right or wrong.Btell the students which scientific method is valuable.Cpresent valuable religious ideas to students.Dfamiliarize students with means of inquiry.
多选题Examine the structure of the EMPLOYEES, DEPARTMENTS, and LOCATIONS tables. EMPLOYEES NOT NULL, EMPLOYEE_ID NUMBER Primary Key VARCHAR2 EMP_NAME (30) VARCHAR2 JOB_ID (20) SALARY NUMBER References MGR_ID NUMBER EMPLOYEE_ID column DEPARTMENT_ID NUMBER Foreign key to DEPARTMENT_ID column of the DEPARTMENTS table DEPARTMENTS NOT NULL, Primary DEPARTMENT_ID NUMBER Key VARCHAR2 DEPARTMENT_NAME (30) References NGR_ID MGR_ID NUMBER column of the EMPLOYEES table Foreign key to LOCATION_ID NUMBER LOCATION_ID column of the LOCATIONS table LOCATIONS NOT NULL, Primary LOCATION_ID NUMBER Key VARCHAR2 CITY |30) Which two SQL statements produce the name, department name, and the city of all the employees who earn more then 10000?（）ASELECT emp_name, department_name, city FROM employees e JOIN departments d USING (department_id) JOIN locations 1 USING (location_id) WHERE salary 10000;BSELECT emp_name, department_name, city FROM employees e, departments d, locations 1 JOIN ON (e.department_id = d.department id) AND (d.location_id =1.location_id) AND salary 10000;CSELECT emp_name, department_name, city FROM employees e, departments d, locations 1 WHERE salary 10000;DSELECT emp_name, department_name, city FROM employees e, departments d, locations 1 WHERE e.department_id = d.department_id AND d.location_id = 1.location_id AND salary 10000;ESELECT emp_name, department_name, city FROM employees e NATURAL JOIN departments, locations WHERE salary 10000;
单选题How does the Juniper DX accelerate web servers? （）Aby translating HTTP requests to HTTPSBby refusing client connections that are unnecessarily refreshed by end usersCby multiplexing numerous client-side connections to fewer server-side connectionsDby multiplexing numerous server-side connections to fewer client-side connections
单选题Following is the list of locations in random order where oranfstab can be placed. 1./etc/mtab 2.$ORACLE_HOME/dbs/oranfstab 3./etc/oranfstab What is the sequence in which Direct NFS will search the locations？（）A 1，2，3B 3，2，1C 2，3，1D 1，3，2
单选题Following is the list of locations in random order where oranfstab can be placed. 1./etc/mtab 2.$ORACLE_HOME/dbs/oranfstab 3./etc/oranfstab What is the sequence in which Direct NFS will search the locations?（）A1, 2, 3B3, 2, 1C2, 3, 1D1, 3, 2
单选题As sought after for speaking ability, African Grey parrots, being considered valuable by both researchers and pet owners.AAs sought after for speaking ability, African Grey parrots, being considered valuable by both researchers and pet owners.BAfrican Grey parrots sought after for their ability to speak who are considered valuable by both researchers and pet owners.CSought after for their speaking abilities, African Grey parrots are considered valuable by both researchers and pet owners.DSought after for their speaking abilities, researchers and pet owners consider African Grey parrots valuable.ESought after because of their speaking ability, researchers and pet owners who are considering African Grey parrots valuable.
单选题A transformer in an electric circuit serves to （）Agenerate its own electrical powerBtransform electrical energy into mechanical energyCincrease or decrease circuit voltage as requiredDconvert AC current to DC current