网友您好, 请在下方输入框内输入要搜索的题目:
题目内容
(请给出正确答案)
While you are troubleshooting network performance issues, you notice that a switch is periodically flooding all unicast traffic. Further investigation reveals that periodically the switch is also having spikes in CPU utilization, causing the MAC address table to be flushed and relearned. What is the most likely cause of this issue?()
- A、a routing protocol that is flooding updates
- B、a flapping port that is generating BPDUs with the TCN bit set
- C、STP is not running on the switch
- D、a user that is downloading the output of the show-tech command
- E、a corrupted switch CAM table
参考答案
更多 “While you are troubleshooting network performance issues, you notice that a switch is periodically flooding all unicast traffic. Further investigation reveals that periodically the switch is also having spikes in CPU utilization, causing the MAC address table to be flushed and relearned. What is the most likely cause of this issue?()A、a routing protocol that is flooding updatesB、a flapping port that is generating BPDUs with the TCN bit setC、STP is not running on the switchD、a user that is downloading the output of the show-tech commandE、a corrupted switch CAM table” 相关考题
考题
While you recover after heart surgery, you may feel ( ) in your chest.
A、painB、pressureC、burning sensationD、sore feeling
考题
Don’t forget to feed the birds for me while I am away, ____________?
(A) can you(B) do you(C) shall you(D) will you
考题
—May I watch TV for a while?—No,you .You have to finish your homework first.A.shouldn't B.needn't C.mustn't D.won't
考题
_________the poem a second time, the meaning will become clearer to you.()
A.Your readingB.While readingC.If readingD.When you read
考题
I’ll get your RMB for you while you’re ()these forms.
A、taking outB、working outC、filling out
考题
You’d better not ( ) every word in the dictionary while you are reading the articles.A、look forB、look outC、look alikeD、look up
考题
Sometimes you may make very fast progress in a foreign language, but sometimes it is a while___hard work starts to pay off !
A、whenB、afterC、beforeD、while
考题
You shouldn’t ______ to others while working.A、stop talkingB、stop to talkC、stop talkD、stop over talk
考题
You have an SQL query that takes one minute to execute. You use the following code segment to execute theSQL query asynchronously.Dim ar As IAsyncResult = cmd.BeginExecuteReader()You need to execute a method named DoWork() that takes one second to run while the SQL query is executing.DoWork() must run as many times as possible while the SQL query is executing.Which code segment should you use?()A.B.C.D.
考题
You use two user accounts for your computer: standard user and administrator. You log on to your computer as standard user but are unable to make advanced configuration changes. You need to make advanced configuration changes while you are logged on as a standard user.What should you do?()A.AB.BC.CD.D
考题
You can’t borrow books from the school library _______ you get your student card.A. before B. if C. while D. as
考题
You'd better make a mark__________ you have any questions while you are reading thepassage.
A.at which
B.in where
C.in the place
D.where
考题
You'd better make a mark __________ you have any questions while you are reading the passage.
A.at which
B.in where
C.in the place
D.where
考题
You′d better make a mark__________ youhave any questions while you are reading the passage.A.at which
B.in where
C.in the place
D.where
考题
You have an SQL query that takes one minute to execute. You use the following code segment to execute the SQL query asynchronously.Dim ar As IAsyncResult = cmd.BeginExecuteReader( )You need to execute a method named DoWork( ) that takes one second to run while the SQL query is executing. DoWork( ) must run as many times as possible while the SQL query is executing. Which code segment should you use?()A、While ar.AsyncWaitHandle Is Nothing DoWork()End Whiledr = cmd.EndExecuteReader(ar)B、While Not ar.IsCompleted DoWork()End Whiledr = cmd.EndExecuteReader(ar)C、While T hread.CurrentThread.ThreadState = ThreadState.Running DoWork()End Whiledr = cmd.EndExecuteReader(ar)D、While Not ar.AsyncWaitHandle.WaitOne() DoWork()End Whiledr = cmd.EndExecuteReader(ar)
考题
You are maintaining your database in Oracle10g. While performing an incremental backup of the database, you want to back uponly those blocks that have changed since the last backup. Which file will you create to increase the performance of the backup operation while performing the incremental backup of the database?()A、 redo log filesB、 password fileC、 control fileD、 change tracking file
考题
单选题He’ll ()for chief officer to meet you in a while.A
arrangedB
arrangeC
arrangingD
arranges
考题
单选题— Jim, ______ read books while you are walking in the street. It’s very dangerous.— OK, thank you.A
don’tB
doesn’tC
won’tD
can’t
考题
单选题While maneuvering, you discover heavy smoke coming from the turbocharger casing, you should ()A
check the air filter for dirtB
check for an exhaust leakC
check the cooling water temperatureD
notify the bridge that you are going to shut the engine down
考题
单选题You are maintaining your database in Oracle10g. While performing an incremental backup of the database, you want to back uponly those blocks that have changed since the last backup. Which file will you create to increase the performance of the backup operation while performing the incremental backup of the database?()A
redo log filesB
password fileC
control fileD
change tracking file
考题
单选题To know where you are going, you are advised to ______.A
ask the police for detailed informationB
look at the map before leaving the hotelC
always travel with your business partnerD
have a smart phone with you while traveling
考题
单选题While underway in thick fog you are on watch and hear the cry“man overboard”.Which type of maneuver should you make().A
Figure eight turnB
Round turnC
Racetrack turnD
Williamson turn
考题
单选题A fire starts on you vessel while refueling. You should first().A
stop the ventilationB
sound the general alarmC
determine the source of the fireD
attempt to extinguish the fire
考题
单选题When you notice oil on the water near your vessel while taking on fuel, you should FIRST ().A
stop loadingB
notify the senior deck officerC
notify the terminal superintendentD
determine whether your vessel is the source
考题
单选题The more careful you are while writing a composition, ______ .A
you make the fewer mistakesB
the few mistakes would you makeC
the fewer mistakes you will makeD
fewer mistakes will be made
热门标签
最新试卷