※点击查看2016年12月英语四级真题及答案专题
36. [I] It is possible for burglars to make jamming attacks with the necessary equipment and skill.
37. [D] Interfering with a wireless security system is similar to interfering with a conversation.
38. [J] A burglar has to continuously jam the wireless security device to avoid triggering the alarm, both inside and outside the house.
39. [F] SimpliSafe provides devices that are able to distinguish incidental radio interference from targeted jamming attacks.
40. [B] Only a very small proportion of burglaries are committed by technical means.
41. [H] It is difficult to crack SimpliSafe as its system keeps changing.
42. [C] Wireless devices will transmit signals so as to activate the alarm once something wrong is detected.
43. [K] Different measures should be taken to protect one's home from burglary in addition to the wireless security system.
44. [G] SimpliSafe's device can send a warning to the house owner's cellphone.
45. [E] Burglars can easily get a security device's frequency by Internet search.
※2016年12月英语四级成绩查询时间:
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