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A MAC address flood attack is occurring on the LAN. During this attack， numerous frames areforwarded to a switch which causes the CAM table to fill to capacity. How does this action benefitthe attacker？（）
A . All traffic is tagged with a specific VLAN ID from the VLAN of the attacker and is now viewable
B . Clients will forward packets to the attacking device， which will in turn send them to the desireddestination but not before recording the traffic patterns
C . All traffic is redirected to the VLAN that the attacker used to flood the CAM table
D . All traffic is flooded out all ports and an attacker is able to capture all data
E . None of the other alternatives apply
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How long will this backup be allowed to run？（） Backup as compressed backupset duration 2：00 minimize load database
A . 2 minutes
B . 2 hours
C . 2 days
D . The command will generate an error.
E . This backup is not constrained by any time limitation.
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A system was rebooted and is taking a long time toreturn. The administrator has logged into the HMC and sees reference code 0c9. What does this mean?（）
A . The system is configuring a device.
B . A system initiated dump has started.
C . The system is varyingon a volume group.
D . The system is running an inbuilt self test.
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“主机从前进改变为倒退需要多长时间？”的英文翻译是HOW LONG DOES IT TAKE TO CHANGE ENGINE FROM ASTERN TO AHEAD ？
A . 正确
B . 错误
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Companycom purchased a new p5 570 without a HMC. The customer does not know how to power the full frame/system off since there does not appear to be an on/off button. What can be done to accomplish this task?（）
A . Telnet into the machine and do a shutdown -Fr
B . Log into ASMI as Administrator and use ASMI menus
C . Log into the service processor using WebSM and use ASMI menus
D . Use the off button which is located to the left below the LED
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A:How long does the remittance take from New York? B:（）
A . I'm not sure. It depends on the mode your partner chose
B . I'm not sure about that. It is a big city
C . I don't know for sure. It is quite busy now in our bank
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A tank has been sealed and unventilated for a long period of timeWhich of the following conditions does this indicate?（）
A . The tank is safe to enter
B . The tank is especially dangerous to enter
C . Carbon monoxide is present
D . Water vapor present when the tank was sealed has oxidized
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A system was rebooted and is taking a long time to return. The administrator has logged into the HMC and sees reference code 0c9. What does this mean（）？
A . The system is configuring a device.
B . A system initiated dump has started.
C . The system is varyingon a volume group.
D . The system is running an inbuilt self test.
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A media failure has occurred. This has resulted in all the members of the next log group being rendered inaccessible to the log writer process （LGWR） at a log switch. How does this failure affect the operational database？（）
A . The database allows only queries； no other statements are allowed.
B . The database re-creates the missing redo log files automatically.
C . The database continues to function normally with the existing files.
D . The database returns an error and the database instance shuts down.
E . The user sessions that generate redo logs are terminated automatically.
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The operator needs to execute a long-running shell script. How can the script be executed so the operator does not have to wait until it is complete to access the command prompt?（）
A . ./script.ksh
B . nohup ./script.ksh
C . run -b ./script.ksh
D . ./script.ksh > nohup.out
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How does the author begin this text?
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4.How long ________ at this job?—Since 1990.
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How long does one academic year usually last in colleges and universities in the USA?
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How long can this model be used？
A．No more than 5 years
B．Not more than 5 years
C．At most 5 years
D．No less than 5 years
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听力原文：W: How long does it take you to drive from your home to the university, Professor Baker？
M: It takes me half an hour usually, but during rush bolus it will take 15 minutes more.
How long does it take Professor Baker to drive from his home to the university during rush hours？
A．35 minutes.
B．45 minutes.
C．15 minutes.
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Not long ago, the Sahara had a different climate. What evidence does the professor mention to support this？ Choose 3 answers.
A．Ancient pollen
B．Bones from large animals
C．Rock paintings
D．Agriculture in ancient Egypt
E．Underground water
此题为多项选择题。
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Auto workers negotiate a wage increase. How does this wage hike affect the supply of cars？
A．It decreases the supply．
B．It increase the supply．
C．It has no effect．
D．There is not enough information to tell if the change increases, decreases, or has no effect on the supply of cars．
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Jane: Hi, welcome to Hal’s Computer World. {A. Does he have any brand preference？; B. How much is it？; C. I’ll come back to buy it this weekend.; D. Can I help you？; E. How about this one？}
Smith: I would like to buy a computer for my son. I was told it is cheaper to buy computers here. Do you have any recommendations？
Jane: Yes. We have plenty of choices for you. So, home computer or a laptop, which one does he like？ {A. Does he have any brand preference？; B. How much is it？; C. I’ll come back to buy it this weekend.; D. Can I help you？; E. How about this one？}
Smith: He prefers ASUS(华硕), laptop, which is much more convenient.
Jane: I see. {A. Does he have any brand preference？; B. How much is it？; C. I’ll come back to buy it this weekend.; D. Can I help you？; E. How about this one？} ASUS F83E335Cr-SL. It is really suitable for students.
Smith: Let me see. Well, it’s good but I don’t think 320 GB is enough.
Jane: If you wish to upgrade the hard drive, we can definitely do so. It costs 150 to upgrade it from 320GB to 500GB.
Smith: Great. My son likes keeping a lot of movies and pictures on the hard drive.
Jane: No problem. I’ll give you a more detailed brochure later.
Smith: Thank you. {A. Does he have any brand preference？; B. How much is it？; C. I’ll come back to buy it this weekend.; D. Can I help you？; E. How about this one？} May I have a discount？
Jane: In total it costs 3900 yuan. If you pay for it on Saturday or Sunday this week, you can actually get 5 percent off the usual sale price.
Smith: Wow. That’s really good. {A. Does he have any brand preference？; B. How much is it？; C. I’ll come back to buy it this weekend.; D. Can I help you？; E. How about this one？}
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Are you sleepy in __?When does your school b__?Teenagers need nine h__ of sleep at n__ .But most Chinese students c__ be in bed that long .Their shools usually start b__ 8:00 in the morning .B__ from this school year ,some Canadian middle schools start as l__ as 9:00 a.m.The school s__ students need more sleep .How l__they are
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Human language call cope with any subject whatever,and it does not matter how far away the topic of conversation is in time and space．Wbich design feature of language does this phenomenon refer to？
A. Productivity．
B. Cultural transmission．
C. Displacement．
D. Arbitrariness．
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听力原文：W: Taxi! I'm going to the National Museum of Art. How long does it take to get there？
M: Well, it depends on the traffic, but shouldn't toke more than twenty minutes for the average driver. And I'm not average. So we should be able to cruise through traffic and get there in less than twelve minutes.
W: Oh. By the way, do you know what time the museum closes？
M: Around 6:00 o'clock.
W: Do you have the time？
M: Yeah. It's half past four. Hi, this is your first time to the city, right？
W: Yeah.How did you know？
M: Well, you can tell tourists from a mile away in this city because they walk down the street looking straight up at the tall buildings.
W: Was it that obvious？
M: Well...
W: Oh, before I forget, can you recommend any good restaurant downtown that offer meals at a reasonable price？
M: Umm...well, the Mexican restaurant, La Fajita, is fantastic. It's not as inexpensive as other places I know, but the decoration is very authentic, and theportions are larger than most places I've been to.
W: Sounds great! How do I get there from the museum？
M: Well, you can take the subway right outside the museum. There are buses that run that way, but you would have to transfer a couple of times. And there are taxis too, but they don't run by the museum that often.
M: Okay. Thank you so much.
(20)
A．He is an average driver.
B．He is a skilled driver.
C．He is below average.
D．He is a green hand.
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—How long has this bookshop been in business？— ______ 1982.
A．After
B．In
C．From
D．Since
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15：How long does it take to go by train？
A.About ten hours.
B.Five hours.
C.Eight hours.
D.Fourteen hours.
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X Co has an internal audit function. The external auditor has concluded that the internal audit function does not apply a systematic and disciplined approach to its work.How does this affect the exten
A．The external auditor must not use the work of the internal audit function．
B．The external auditor can use the work of the internal audit function provided the individuals have been assessed as competent ．
C．The external auditor can use the work of the internal audit function provided the organisational status of the function supports its objectivity．
D．The external auditor can use work performed by the internal audit function which relates to low risk areas of the external audit only ．
