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[主观题]

About judging whether MAC address entries of PTN device are normal according to networ

k situation on site, which of the following is wrong?()

A.Execute Show lacp sys-id to check MAC address of local device rack, which is just the static MAC used for basic configuration of the device

B.Execute command show mac to check service MAC of peer device.

C.Execute command show lldp neighbor to display MAC of local device port, interconnected peer device port and its rack.

D.Execute show arp to show arp entries, which mark mac address and interface.

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更多“About judging whether MAC address entries of PTN device are normal according to networ”相关的问题

第1题

When we see well, we do not think about our eyes very often. (79) It is only when we canno

When we see well, we do not think about our eyes very often. (79) It is only when we cannot see perfectly that we realize how important our eyes are.

People who are nearsighted can only see things that are very close to their eyes. Everything else seems blurry (模糊的). Many people who do a lot of close work, such as writing, reading and sewing, become nearsighted. Then they have to wear glasses in order to see distant objects clearly.

People who are farsighted suffer from just the opposite problem. They can see things that are far away, but they have difficulty in reading a book unless they hold it at arm's length. If they want to do much reading, they must get glasses, too.

Other people do not see clearly because their eyes are not exactly the right shape. They have what is called astigmatism (散光). This, too, can be corrected by glasses. Some people's eyes become cloudy because of cataracts (白内障). Long ago these people olden became blind. Now, however, it is possible to operate on the cataracts and remove them.

Having two good eyes is important for judging distances. Each eye sees things from a slightly different angle. To prove this to yourself, look at object out of one eye; then look at the same object out of your other eye. You will find the object's relation to the background and other things around it has changed. The difference between these two different eye views helps us to judge how far away an object is. People who have only one eye cannot judge distance as people with two eyes.

We should take good care of our eyes ______.

A.only when we can see well

B.only when we cannot see perfectly

C.even if we can see dell

D.only when we realize how important our eyes are

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第2题

According to the opinions presented in this lecture, there are universal standards of ju
dging whether a piece of literary is a classic or not. ()

此题为判断题(对,错)。

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第3题

Explain how an understanding of perception can help managers better understand individual behavior. Name there cursor used in judging others.

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第4题

Judging from the fact that the other scouts haven't arrived, they__________the bu

Judging from the fact that the other scouts haven't arrived, they__________ the bus.

A. might miss

B. could miss

C. must have missed

D. should have missed

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第5题

Judging from his accent, I can ______ that he is from the south.A.speakB.look tellC.tellD.

Judging from his accent, I can ______ that he is from the south.

A.speak

B.look tell

C.tell

D.show

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第6题

Having two eyes, instead of one, is particularly useful for ______. A. seeing at

Having two eyes, instead of one, is particularly useful for ______.

A. seeing at night

B. seeing objects far away

C. looking over a wide area

D. judging distances

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第7题

Judging from this passage, people of the Middle Ages probably ______. A. treated blac

Judging from this passage, people of the Middle Ages probably ______.

A. treated black cats with respect

B. treated black cats badly

C. were witches if they had black cats

D. thought black cats were beautiful

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第8题

When we see well, we do not think about our eyes very often. It is only when we cannot see
perfectly that we realize how important our eyes are.

People who are near-sighted can only see things that are very close to their eyes.' Everything else is not so clear. Many people who do a lot of close work, such as writing, reading and sewing, become near sighted. Then they have to wear glasses in order to see distant (远处的) things clearly.

People who are far-sighted suffer from just the opposite problem. They can see things that are far away, but they have difficulty in reading a book unless they hold it at arm's length. If they want to do much reading, they must get glasses, too.

Other people do not see clearly because their eyes are not exactly the right shape. They have what is called astigmatism (散光). This, too, can be corrected by glasses. Some people's eyes become cloudy because of cataracts (白内障). Long ago these people often became blind. Now, however, it is possible to operate on the cataracts and remove them."

Having two good eyes is important for judging distances. Each eye sees things from a slightly different angle (角度). To prove this to yourself, look at an object out of one eye; then look at the same object out of the other eye. You will find the object's relation to the background (背景) and other things around it has changed. The difference between these two different eye views helps us to judge how far away an object is. People who have only one eye cannot judge distance as people with two eyes.

We should take good care of our eyes ______.

A.only when we cannot see perfectly

B.only when we can see well

C.even if we can see well

D.only when we realize how important our eyes are

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第9题

Scientists have found that although we are prone to snap overreactions, if we take a momen
t and think about how we are likely to react, we can reduce or even eliminate the negative effects of our quick, hard-wired responses.

Snap decisions can be important defense mechanisms; if we are judging whether someone is dangerous, our brains and bodies are hard-wired to react very quickly, within milliseconds. But we need more time to assess other factors. To accurately tell whether someone is sociable, studies show, we need at least a minute, preferably five. It takes a while to judge complex aspects of personality, like neuroticism or open-mindedness.

But snap decisions in reaction to rapid stimuli aren’t exclusive to the interpersonal realm. Psychologists at the University of Toronto found that viewing a fast-food logo for just a few milliseconds primes us to read 20 percent faster, even though reading has little to do with eating. We unconsciously associate fast food with speed and impatience and carry those impulses into whatever else we’re doing, Subjects exposed to fast-food flashes also tend to think a musical piece lasts too long.

Yet we can reverse such influences. If we know we will overreact to consumer products or housing options when we see a happy face (one reason good sales representatives and real estate agents are always smiling), we can take a moment before buying. If we know female job screeners are more likely to reject attractive female applicants, we can help screeners understand their biases-or hire outside screeners.

John Gottman, the marriage expert, explains that we quickly “thin slice” information reliably only after we ground such snap reactions in “thick sliced” long-term study. When Dr. Gottman really wants to assess whether a couple will stay together, he invites them to his island retreat for a muck longer evaluation; two days, not two seconds.

Our ability to mute our hard-wired reactions by pausing is what differentiates us from animals: doge can think about the future only intermittently or for a few minutes. But historically we have spent about 12 percent of our days contemplating the longer term. Although technology might change the way we react, it hasn’t changed our nature. We still have the imaginative capacity to rise above temptation and reverse the high-speed trend.

The time needed in making decisions may____ .

A.vary according to the urgency of the situation

B.prove the complexity of our brain reaction

C.depend on the importance of the assessment

D.predetermine the accuracy of our judgment

John Gottman says that reliable snap reaction are based on____ .

A.critical assessment

B.“thin sliced”study

C.sensible explanation

D.adequate information

The author’s attitude toward reversing the high-speed trend is____ .A.tolerant

B.uncertain

C.optimistic

D.doubtful

Our reaction to a fast-food logo shows that snao decisions____ .A.can be associative

B.are not unconscious

C.can be dangerous

D.are not impulsive

To reverse the negative influences of snap decisions,we should____ .A.trust our first impression

B.do as people usually do

C.think before we act

D.ask for expert advice

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第10题

Directions: There are 15 incomplete sentences in this section. For each sentence there are
four choices marked A, B, C and D. Choose one answer that best completes the sentence and blacken the corresponding letter on the answer sheet.

6. ______ the look on his face, he wasn't satisfied with their performance.

A. To judge by

B. Judging by

C. Judge by

D. To be judged by

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第11题

A. at B. in C. about D. on

A.at

B. in

C. about

D. on

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