题目内容
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[多选题]
In which network element APN should be defined？（)
A.BSC
B.SGSN
C.GGSN
D.HLR
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题目内容
（请给出正确答案）
如果结果不匹配，请 联系老师 获取答案
题目内容
（请给出正确答案）
A.BSC
B.SGSN
C.GGSN
D.HLR
如果结果不匹配，请 联系老师 获取答案
更多“In which network element APN s…”相关的问题
A.Transmission Network Review (TNR)
B.Network Design and Performance Consulting (NDPC)
C.Brief System Audit (BSA)
D.System Performance Review (SPR)
E.Radio Network Improvement (RNI)
Which of the following is false regarding a network and a distributed system？
A．They both need to move files around.
B．They have little in common.
C．They overlap each other a lot.
D．They have different operating systems.
Which of the following is NOT true of security attacks？
A．Employees will keep up with security polices and awareness if they are highly-trained.
B．The rate of security attacks appears faster than the growth of the Internet.
C．One's computer system will never be fully secure.
D．Vulnerabilities can go through phones, wireless devices, and network appliances.
A.A. Inventory is one of areas of logistical work.
B.B. Inventory is not one of areas of logistical work.
C.C. Facility network is one of areas of logistical work.
D.D. Facility network is not one of areas of logistical work.
Which of the following is NOT true of security attacks？
[A] Employees will keep up with security polices and awareness if they are highly-trained.
[B] The rate of security attacks appears faster than the growth of the Internet.
[C] One's computer system will never be secure.
[D] Vulnerabilities can go through phones, wireless devices, and network appliances
The word "device" in the first sentence of the third paragraph denotes______.
A．a satellite and terrestrial broadcast
B．a video-capable version of Apple iPod portable music-player
C．an individual show which is "streamed" across a 3G network
D．a pioneer personal video recorder
A recent development is the local area network (LAN).【21】its name implies, it serves a local area-possibly as small as a single room, typically an area like an university campus or the premises of a particular business. Local area networks were developed to【22】a need specific to microcomputers the sharing of expensive resources. Microcomputers are cheap, but highcapacity disc stores, fast and/or good quality printers, etc. are expensive. The object of the LAN is to allow【23】microcomputers shared access to these expensive resources, since the microcomputers are cheap, it is a necessary feature of a LAN that the method of connection to the network, and the network hardware【24】, must also be cheap.
A local area network links a number of computers and a number of servers which provide communal facilities, e. g. file storage. (A server usually includes a small microprocessor for control purposes. ) The computers and servers are known as stations. There are two methods of【25】in common use, rings and broadcast networks.
In the ring method(often called a Cambridge Ring) all the stations are linked in a ring,【26】includes one special station, the monitor station.
In broadcast networks, all the stations are【27】to a single linear cable(usually coax cable), and any transmission will be received by all stations.
【28】technology is used, local area networks are a development of the greatest importance.【29】as programming is simplified by an approach that thinks in terms of small procedures or programs, each doing a well-defined job, the computer system of tomorrow is likely to be【30】lots of small systems, each doing a specific job, linked by a local area network.
(61)
A．As
B．Like
C．Since
D．Because
The study, by Dr. Nicholas Christakis of Harvard Medical School and James Fowler of the University of California, San Diego, followed thousands of smokers and nonsmokers for 32 years, from 1971 until 2003, studying them as part of a large network of relatives, co-workers, neighbors, friends and friends of friends.
It was a time when the percentage of adult smokers in the United States fell to 21 percent from 45 percent. As the investigators watched the smokers and their social networks, they saw what they said was a striking effect—smokers had formed little social clusters and, as the years went by, entire clusters of smokers were stopping en masse. So were clusters of clusters that were only loosely connected. Dr. Christakis described watching the vanishing clusters as like lying on your back in a field, looking up at stars that were burning out. "It's not like one little star turning off at a time," he said,"Whole constellations are blinking off at once. "
As cluster after cluster of smokers disappeared, those that remained were pushed to the margins of society, isolated, with fewer friends, fewer social connections. "Smokers used to be the center of the party," Dr. Fowler said, "but now they've become wallflowers." "We've known smoking was bad for your physical health," he said,"But this shows it also is bad for your social health. Smokers are likely to drive friends away. "
"There is an essential public health message," said Richard Suzman, director of the office of behavioral and social research at the National Institute on Aging, which financed the study. "Obviously, people have to take responsibility for their behavior," Mr. Suzman said. "But a social environment," he added, "can just overpower free will. " With smoking, that can be a good thing, researchers noted. But there also is a sad side. As Dr. Steven Sehroeder of the University of California, San Francisco, pointed out in an editorial accompanying the paper, "a risk of the marginalization of smoking is that it further isolates the group of people with the highest rate of smoking—persons with mental illness, problems with substance abuse, or both. "
Which of the following statements is true according to the opening paragraph？
A．Smokers have been prevented from quit smoking for years.
B．It is rare that smokers make a decision to quit.
C．It is preferable to abstain from smoking in groups.
D．Nonsmoker could be affected because of the ripple effects.
The objectives of early hackers are a far cry from the goals of today's hacker. The motivation of the new breed of hackers appears not to be curiosity, or a hunger for knowledge, as it used to be. Instead, most of today's hackers are driven by greed, power, revenge, or some other malicious intent, treating hacking as a game or sport, employing the tools that are readily available via the Internet.
The rate of security attacks is actually outpacing the growth of the Internet. This means that something besides the growth of the Internet is driving the rise in security attacks. Here are some realities you should know about: Operating systems and applications will never be secure. New vulnerabilities will-be introduced into your environment every day. Even if you ever do get one operating system secure, there will be new operating systems with new vulnerabilities—phones, wireless devices, and network appliances. Employees will never keep up with security polices and awareness. It doesn't matter how much you train and educate your employees. If your employees disregard warnings about the hazards of opening questionable email attachments, how are you going to educate them about properly configuring firewalls and intrusion detection systems for their PCs？ Managers have more responsibility than ever. And on top of the realities listed above, security managers are being asked to support increasing degrees of network availability and access. There are some good security measures you can take: Employ a layer 7, full-inspection firewall. Automatically update your anti-virus at the gateway, server and client. Keep all of your systems and applications updated. Hackers commonly break into a Web site through known security holes, so make sure your servers and applications are patched and up to date. Turn off unnecessary network services. Eliminate all unneeded programs. Scan your network for common backdoor services, and use intrusion detection systems, vulnerability scans, and anti-virus protection.
Which of the following statements of Steve Wozniak, Bill Gates and Linus Torvalds is TRUE？
A．They were all good examples of today's computer users.
B．They were driven by greed, power, revenge, or some other malicious intent.
C．Their goal was to push programs beyond what they are designed to do.
D．They are all dead.
The chief reason for the population of television among United States advertisers is that it it reaches a vast number of people at the same time. While it can cost well over 100,000 dollars, a 30- second commercial on network television can be seen and heard by as many as 25 million viewers. For manufacturers who must make prospects aware of their products and convince them of its benefits immediately, there is nothing as efficient as television advertising.
Because it employs motion as well as words, graphics, sound, and music, television is a valuable medium for products that lend themselves to demonstration. No other medium is effective in showing how quickly an automobile can accelerate or how well a brand of wristwatch will stand up under abuse and continue to run. Similarly, it is an ideal medium such as long-distance telephone calls.
Which medium carries most national advertising in Spain？
A．Radio.
B．Newspaper.
C．Television.
D．Internet.
The objectives of early hackers are a far cry from the goals of today's hacker. The motivation of the new breed of hackers appears not to be curiosity, or a hunger for knowledge, as it used to be. Instead, most of today's hackers are driven by greed, power, revenge, or some other malicious intent, treating hacking as a game or sport, employing the tools that are readily available via the Internet.
The rate of security attacks is actually outpacing the growth of the Internet. This means that something besides the growth of the Internet is driving the rise in security attacks. Here are some realities you should know about: Operating systems and applications will never be secure. New vulnerabilities will be introduced into your environment every day. And even if you ever do get one operating system secure, there will be new operating systems with new vulnerabilities—phones, wireless devices, and network appliances. Employees will never keep up with security polices and awareness. It doesn't matter how much you train and educate your employees. If your employees disregard warnings about the hazards of opening questionable email attachments, how are you going to educate them about properly configuring firewalls and intrusion detection systems for their PCs？ Managers have more responsibility than ever. And on top of the realities listed above. security managers are being asked to support increasing degrees of network availability and access.
There are some good security measures you can take: Employ a layer 7, full-inspection firewall. Automatically update your anti-virus at the gateway, server and client. Keep all of your systems and applications updated. Hackers commonly break into a Web site through known security holes, so make sure your servers and applications are patched and up to date. Turn off unnecessary network services. Eliminate all unneeded programs. Scan network for common backdoor services—Use intrusion detection systems, vulnerability scans, antivirus protection.
第31题：Which of the following statements of Steve Wozniak, Bill Gates and Linus Torvalds is TRUE？
[A] They are all good examples of today's computer users.
[B] They are driven by greed, power, revenge, or some other malicious intent.
[C] Their goal is to push programs beyond what they are designed to do.
[D] They are all dead.
