You want to enhance the security within the LAN and prevent VLAN hopping.  What two steps can be taken to help prevent this？（）

相似题目

• I don't want you to make any trouble,（）, I urge you to solve the problem.

  A . thus B . consequently C . on the contrary D . just a

  查看最佳答案

• You didn't have to write the essay if you didn't want to. It was（）

  A . compulsory B . suitable C . alternative D . optional

  查看最佳答案

• You want to allow Router R1 to immediately become the active router if its priority is highest than  the active router fails.  What command would you use if you wanted to configure this？ （）

  A .  en standby preempt B .  standby preempt enable C .  standby preempt D .  hot standby preempt

  查看最佳答案

• You want to drop the TBS1 tablespace from your database.  You also want to delete the corresponding data files automatically， and not have to do it manually.  What should you do？（）

  A . Use the DROP DATAFILE command. B . Use the DROP TABLESPACE command. C . Ensure that all database files are Oracle Managed Files before using the DROP TABLESPACE command. D . Ensure that the DB_FILE_CREATE_DEST initialization parameter is set before using the DROP TABLESPACE command.

  查看最佳答案

• You want to check the EMP table in the user， Scott’s schema for block corruption. You also want to fix the corrupted blocks， if any. How will you accomplish the required task？（）

  A . by using the ANALYZE utility B . by using the DBVERIFY utility C . by using the DB_BLOCK_CHECKING parameter D . by using the DBMS_REPAIR package

  查看最佳答案

• You want to purge job entries older than 5 days from the job log. You do not want to purge window log entries. Which command will you use to accomplish this task？（）  

  A .  EXECUTE DBMS_SCHEDULER.PURGE_LOG（log_history => 5， job_name => ’JOB1’）； B .  EXECUTE DBMS_SCHEDULER.PURGE_LOG（ log_history => 5， job_name => ’JOB_LOG’）； C .  EXECUTE DBMS_SCHEDULER.PURGE_LOG（ log_history => 5， which_log => ’JOB1’）； D .  EXECUTE DBMS_SCHEDULER.PURGE_LOG（ log_history => 5， which_log =>’JOB_LOG’）；

  查看最佳答案

• You want to enhance the security within the LAN and prevent VLAN hopping. What two steps canbe taken to help prevent this？（）

  A . Enable BPD guard B . Disable CDP on ports where it is not necessary C . Place unused ports in a common unrouted VLAN D . Prevent automatic trunk configuration E . Implement port security

  查看最佳答案

• We are pleased to say that we are（）to supply you（）the goods you want.

  A . of a position，── B . at a position，── C . in a position，with D . at a position，with

  查看最佳答案

• You need to enhance performance of foreground and background applications. How can you configure Windows 2000 Professional to process both foreground and background applications at the same priority？ （）

  A . By selecting the applications options in the performance options dialog box. B . By selecting the application services option in the performance options dialog box. C . By selecting the background option in the performance options dialog box. D . By selecting the background services option in the performance options dialog box.

  查看最佳答案

• 6. —What do you want to do next? Wehave half an hour until the basketball game. —It’sup to you. _________ you want to do is finewith me.

  查看最佳答案

• If you want to take the leftovers home, you can say ______.

  A.Can I have a doggy bag, waiter? B.Never mind. C.I'd like to take the rest. D.Wrap it up, please

  查看最佳答案

• You should check the security guideboard if you want to （         ）.

  查看最佳答案

• In the sentence of paragraph 1, “My mother believed you could be anything you wanted to be in America”, “you” refers to the narrator.

  查看最佳答案

• You should check the （ ） guideboard if you want to go to （ ） in a new city.

  查看最佳答案

• If you want to phone him, you’ll have to ____the number in the book first.

  查看最佳答案

• People want the government to deal with the issue in a clear and ___________ way.(consistent; enhance; motivation; evaluate)

  查看最佳答案

• If you want the guest to sign the bill, what should you say？

  查看最佳答案

• The most important thing is to clarify _____ you want to say.

  A．which B．what C．that

  查看最佳答案

• 听力原文：MB I just wanted to remind you that registration for little league baseball's already started, and if you want the kids to take part, you need to register them before the end of the month. Are you planning on enrolling them this year？

  WB Yes, but... registration's already begun？ It's only January! When does the league begin？ MB The league doesn't start until May, but... yes, we always do registration this early. And let me tell you, with all the kids that sign up, and all the games that need to be scheduled, we need to do this early, so we can focus on getting kids ready to play once the league begins. WB Wow, I don't remember it being this early last year. Yes, of course... I'll drop by and register the kids this week. Is it going to cost the same as last year, or has it gone up？ Why has the man contacted the woman？ A．To schedule an appointment B．To invite her children to an event C．To inform. her of a change in policy D．To remind her of an important deadline

  查看最佳答案

• If you want to get to the town, you can take______ of the three ways as you please.

  A．each B．any C．either D．every

  查看最佳答案

• （) you are in the world, when you walk in to our hotel we want you to have best lodgin

  A．A.Wherever B．B.Whoever C．C.Whatever D．D.Whenever

  查看最佳答案

• lf you want to telephone her you will have to _____the number in the book.

  A．look at B．look into C．look through D．look up

  查看最佳答案

• If you want to eat Chinese food, you will go to the restaurant in（）

  A．Fairview Hotel B．First Hotel C．Orchard Hotel D．Osaka Hotel

  查看最佳答案

• When you want to get the caller’s name, what should you say？

  A．Who are you B．Who is it C．What is your name D．Can I ask whose calling

  查看最佳答案