A、data webhouse
B、data warehouse
C、data mart
D、all of the above
第1题
A.AnomalyDetection
B.SYNCookies
C.Application Inspection
D.Contentfiltering
E.Anti-XProtection
F.AntiVirus
第2题
A.QoS
B.Trunking
C.Spanning
D.VoIP
第3题
A. Hosts use a logical ring topology.
B. Hosts use a logical bus topology
C. Hosts must wait for an electronic signal to transfer data.
D. Hosts are directly connected to a wiring concentrator called a MSAU.
第4题
A.It is beginning solving the traffic problems.
B.It will change people's way of working.
C.It will save people a lot of time.
D.It will come true in offices and universities.
第5题
A.Frame Relay
B.POTS
C.PSTN
D.ISDN
第6题
A. ISDN
B. SONET
C. Frame Relay
D. ATM
第7题
A.Computers are switched on by a voice order.
B.Doctors diagnose disease through patients' voice.
C.Museum doors are controlled by palm scanner.
D.The police identify criminals through fingerprints.
第8题
A.Computers are switched on by a voice order.
B.Doctors diagnose disease through patients' voice.
C.Museum doors are controlled by palm scanner.
D.The police identify criminals through fingerprints.
第9题
A.American aerospace companies in the 1960s created working prototypes of supersonic passenger aircraft that could complete intercontinental flights in half the time of conventional aircraft, but these projects were canceled because of concerns that the hig
B.Although oil companies first attempted deep-sea drilling in the Gulf of Mexico in the 1930s, these deep-sea projects could not compete with land-based drilling projects until advances in drilling technology and the rising price of oil made deep-sea drilli
C.Automakers in the 1980s, after concluding that the average driver could not be relied on to use seat belts consistently, chose to adopt airbags as a standard safety feature.
D.Lighter-than-air craft, such as Zeppelins, made up a substantial part of total air traffic in the early twentieth century, but they rapidly fell out of favor after airplanes proved to be a faster and safer form. of transportation.
E.Although railroads carried more than 90 percent of all land-based commercial cargo in the United States in 1910, by 1980 railroads had been surpassed by trucks in total cargo carried, because of the greater speed and flexibility offered by the heavy truck
第10题
A.Digital technology is being used to push advertising messages on high-definition video screens.
B.Thanks to new technologies, advertisers have easier access to potential consumers.
C.Wireless technology ran push advertising anywhere one wants.
D.Technology advances may cut the cost of installing screens.
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