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Which descriptions below are true about Stephen Hawking?()
A.theoretical physicist
B.British mathematician
C.born in Oxford
D.author of best seller
参考答案
更多 “ Which descriptions below are true about Stephen Hawking?() A.theoretical physicistB.British mathematicianC.born in OxfordD.author of best seller ” 相关考题
考题
In fixed price contract which of the following holds true? (72).A．More risk is placed on the buyerB．If the amount of the contract is exceeded the seller is not obligated to perform. further unless the buyer increases the fundsC．The seller agrees to perform. a service or furnish supplies at the established contract priceD．The seller agrees to use his best effort to fulfill the contract within the estimated contract amount
考题
Stephen Hawking are true examples of people who rose to international fame in spite of physical handicap.()
考题
Which statement is true about a routing table?()
A. It contains routes learned dynamically only.B. It finds the best path to each destination by using a modified shortest-path-first calculation.C. It contains only active BGP routes.D. It contains all accepted routes to all destinations.
考题
Router R1 learns two routes with BGP for prefix 200.1.0.0/16. Comparing the two routes, route 1 has a shorter AS_Path Length, smaller MED, the same Weight, and smaller Local PreferencE.Which of the following is true about Router R1‘s choice of best path for this prefix?（）A. Route 1 is the best route.B. Route 2 is the best route.C. The routes tie as best, but one will be picked to be placed in the routing table based on tiebreakers .D. Neither route is considered best.
考题
Which two statements about the IS －IS routing protocol are true?()
A. IS - IS is capable of supporting IPv4 and IPv6.B. IS - IS is only capable of supporting IPv4 and CLNS.C. IS - IS routers use ES - IS hellos (ESH) to establish and to maintain neighbor relationships.D. IS - IS routers run the Bellman - Ford algorithm against their LSDBs to pick the best paths.E. Level 1 routers learn about paths within the area of which they are a part.F. Level 2 routers learn about paths both within areas and between areas.
考题
Stephen Hawking has spent around ten years explaining the secrets ofA.Right
B.Wrong
C.Not mentioned
考题
The Theory of Everyone
If Stephen Hawking lives until the year 2017, he will have lived more than 50 years longer than his doctors expected. When he was a college student, doctors discovered that he had a rare disease. This disease causes a gradual disintegration(分解)of the nerve cells in the brain cells that regulate voluntary muscle activity. Death almost always occurs within two or three years.
Today Stephen Hawking cannot walk or speak. He cannot move his arms or his head. He cannot taste or smell anything. And yet this man is Professor of Mathematics at Cambridge University, a position held by the famous scientist Isaac Newton in 1669.
Hawking is often described as the greatest scientist since Albert Einstein, but to the world outside science, he is also known as the man who made scientific theory understandable. His book, A Brief History of Time, has sold over eight million copies.
He says that since he does not have to think about his body or do any of the things other men have to worry about, such as washing the car or working in the yard, he can dedicate all of his time to thinking. This puts him in the perfect position to find the answer to the question that he has dedicated his life to. His question is: Is there a complete theory of the universe and everything in it?
Despite his tremendous physical disabilities, he has already made some very important discoveries about the origin of the universe, how the universe holds together, and how it will probably end. He has also been able to explain the secrets of “black holes” in space. Now he is looking for a set of rules that everything in our universe must obey. He calls it the Theory of Everything. He thinks that someone will have found the answer within the next 20 years.
If Stephen Hawking is able to find his Theory of Everything, he will have given the world the opportunity to understand things that will change the whole nature of science and probably also the way we live.
文章(16~22)
Stephen Hawking will be 50 years old by 2017.A.Right
B.Wrong
C.Not mentioned
考题
Stephen Hawking has much time to think because he doesn't have to work.A.Right
B.Wrong
C.Not mentioned
考题
Stephen Hawking is Professor of Mathematics at Cambridge University.A.Right
B.Wrong
C.Not mentioned
考题
Which of the following statements is NOT true?（）AHenry II did some renovations of castles built in Stephen's time.BHenry II recalled grants of Royal lands made by Stephen.CHenry II strengthened the powers of his sheriffs.DHenry II relied for armed support upon a militia made up of English
考题
Which three statements are true about the data traffic characteristics of voice traffic？ （）A、latency must be kept below 150 msB、latency is not a concern as long as jitter is kept below 30 msC、voice packets do not require a specific type of queuingD、voice packets are rather smallE、voice packets require TCP for rapid retransmission of dropped packetsF、voice packets require a fairly constant bandwidth reserved for voice control traffic as well as forthe voice payload
考题
Which three of the following descriptions are true about the firewall modes？ （）A、 Transparent mode is layer 2.B、 Routed mode is layer 3.C、 Routed mode has 1 IP address.D、 Transparent mode has 1 IP address.
考题
Which of the following descriptions about IP spoofing is correct？（）A、IP source address is forgedB、IP destination address is forgedC、IP TCP source port is forgedD、IP TCP destination port is forgedE、None of above
考题
Router R1 learns two routes with BGP for prefix 200.1.0.0/16. Comparing the two routes, route 1 has a shorter AS_Path Length, smaller MED, the same Weight, and smaller Local PreferencE. Which of the following is true about Router R1's choice of best path for this prefix?（）A、Route 1 is the best route.B、Route 2 is the best route.C、The routes tie as best, but one will be picked to be placed in the routing table based on tiebreakers .D、Neither route is considered best.
考题
Which statement is true about a routing table?（）A、It contains routers learned dynamically onlyB、It finds the best path to each destination by using a modified shortest-path-first calculationC、It contains only active BGP routesD、It contains all accepted routes to all destinations
考题
Which two statements about the best effort model for QoS are true？（）A、delay sensitive packets are given preferential treatmentB、the default policy identifies a delay sensitive class and default classC、the default policy identifies a delay sensitive class， best effort class， and default classD、the model is highly scalableE、the model is still predominant on the internet F the model provides guaranteed service
考题
Which three statements are true about Source Specific Multicast？（）A、Is best suited for applications that are in the one-to-many category.B、SSM uses shortest path trees only.C、The use of SSM is recommended when there are many sources and it is desirable to keep the amount of mroute state in the routers in the network to a.D、There are no RPs to worry about.
考题
Which statement is true about a routing table?（）A、It contains routes learned dynamically only.B、It finds the best path to each destination by using a modified shortest-path-first calculation.C、It contains only active BGP routes.D、It contains all accepted routes to all destinations.
考题
单选题Which of the following descriptions about IP spoofing is correct？（）A
IP source address is forgedB
IP destination address is forgedC
IP TCP source port is forgedD
IP TCP destination port is forgedE
None of above
考题
多选题Which three statements are true about the data traffic characteristics of voice traffic？ （）Alatency must be kept below 150 msBlatency is not a concern as long as jitter is kept below 30 msCvoice packets do not require a specific type of queuingDvoice packets are rather smallEvoice packets require TCP for rapid retransmission of dropped packetsFvoice packets require a fairly constant bandwidth reserved for voice control traffic as well as forthe voice payload
考题
多选题Which two statements about the best effort model for QoS are true？（）Adelay sensitive packets are given preferential treatmentBthe default policy identifies a delay sensitive class and default classCthe default policy identifies a delay sensitive class， best effort class， and default classDthe model is highly scalableEthe model is still predominant on the internet F the model provides guaranteed service
考题
单选题Which of the following about James Barry is NOT TRUE?A
She was a troublemaker.B
She worked in many foreign countries.C
She made great contributions to the British army.D
She was the best doctor in London.
考题
单选题Which statement is true about a routing table?（）A
It contains routers learned dynamically onlyB
It finds the best path to each destination by using a modified shortest-path-first calculationC
It contains only active BGP routesD
It contains all accepted routes to all destinations
考题
单选题Which of the following statements is NOT true?（）A
Henry II did some renovations of castles built in Stephen's time.B
Henry II recalled grants of Royal lands made by Stephen.C
Henry II strengthened the powers of his sheriffs.D
Henry II relied for armed support upon a militia made up of English
考题
多选题Which three statements are true about Source Specific Multicast？（）AIs best suited for applications that are in the one-to-many category.BSSM uses shortest path trees only.CThe use of SSM is recommended when there are many sources and it is desirable to keep the amount of mroute state in the routers in the network to a.DThere are no RPs to worry about.
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