You have been allocated a /22 network. How many usable hosts are available?（）A、510B、512C、1022D、1024
You have been allocated a /22 network. How many usable hosts are available?（）
- A、510
- B、512
- C、1022
- D、1024
相关考题：
“() your best? It’s not satisfactory. I’m afraid you will have to do it again.” A.Do you tryB.Have you triedC.Are you tryingD.Have you been trying
If you had been with us , you ____our excitement. A. have understoodB. understoodC. will understandD. would have understood
You look(). What () you () ? A、tire, did…doB、tiring, have…doneC、tired, do…doD、tired, have…been doing
Have you ever been to the place? You can see many places of interest there．（合并为一句）Have you ever been to the place ________you can see many places of interest?
If you're going to the club tonight, you ( ) Richard there. A、might meetB、might have metC、may have metD、may have been met
— How long _____ at this job? — Since 2000.A、were you employedB、have you been employedC、had you been employedD、will you be employed
What you saw can' t have been an aeroplane. I' m convincedit____ a large bird. A.must beB.has been builtC.must have beenD.could have been
You are the network administrator setting up the IP network for a new branch office. You need at least 5 networks with 25 hosts each. You have been allocated a /24 network.Which prefix length will satisfy the given requirements?（）A./24B./26C./27D./28
The problems that you () have been brought to the attention of our housekeeping department. While A.have been mentioned B.mentioned C.mentions D.mentioning
While designing your database， you have created the EMPLOYEES table as an index/x7forganized table （IOT）. You want to create a bitmap index on the JOB_ID column to make queries faster. Which task must have been completed so that you are able to create the bitmap index？（）A、A primary key must have been created.B、A mapping table must have been created.C、An overflow tablespace must have been specified.D、The PCTTHRESHOLD option must have been specified.
You have been allocated a /22 network.How many usable hosts are available?（）A、510B、512C、1022D、1024
You are the network administrator setting up the IP network for a new branch office. You need at least 5 networks with 25 hosts each. You have been allocated a /24 network.Which prefix length will satisfy the given requirements?（）A、/24B、/26C、/27D、/28
While designing your database， you have created the EMPLOYEEStable as an index-organized （IOT）. You want to create a bitmap index on the JOD_IDcolumn to make queries faster. Which task must have been completed so that you are able to create the bitmap index？（）A、 A primary key must have been created.B、 A mapping table must have been created.C、 An overflow tablespace must have been specified.D、 The PCTTHRESHOLD option must have been specified.
单选题John, how lazy you are! This work ______ three days ago.Ashould have doneBmust have been doneCshould have been doneDmight have done
单选题While creating a database using Database Configuration Assistant tool， you created a database default temporary tablespace. Which activity would cause the default temporary tablespace of the database to be used？（）Athe CREATE TABLE .. commandBsorting of the SYSTEM tablespace’s dataCsorting of data required by recursive SQL statementsDthe CREATE TABLE .. ORGANIZATION EXTERNAL .. commandEsorting of data if the users have not been allocated temporary tablespace explicitlyFsorting of data if the users have been allocated temporary tablespace explicitly
单选题You are the network administrator setting up the IP network for a new branch office. You need at least 5 networks with 25 hosts each. You have been allocated a /24 network.Which prefix length will satisfy the given requirements?（）A/24B/26C/27D/28
单选题While designing your database， you have created the EMPLOYEES table as an index/x7forganized table （IOT）. You want to create a bitmap index on the JOB_ID column to make queries faster. Which task must have been completed so that you are able to create the bitmap index？（）AA primary key must have been created.BA mapping table must have been created.CAn overflow tablespace must have been specified.DThe PCTTHRESHOLD option must have been specified.
单选题While designing your database， you have created the EMPLOYEEStable as an index-organized （IOT）. You want to create a bitmap index on the JOD_IDcolumn to make queries faster. Which task must have been completed so that you are able to create the bitmap index？（）A A primary key must have been created.B A mapping table must have been created.C An overflow tablespace must have been specified.D The PCTTHRESHOLD option must have been specified.
单选题You have been allocated a 192.168.100.0/22 network. How many usable host are available?（）A510B512C1022D1024
单选题You have been allocated a /22 network. How many usable hosts are available?（）A510B512C1022D1024
单选题You （）him so closely; you should have kept your distance．Ashouldn’tfollowBmustn’tfollowCcouldn’t have been followingDshouldn’t have been following