(71 ) A. attachment B. packet C. datagram D. message
(72) A. virtual B. virus C. worms D. bacteria
(73) A. memory B. caches C. ports D. registers
(74) A. names B. cookies C. software D. extensions
(75) A. cracker B. user C. customer D. client
上午考试分析-专业英语(2005 上)
意思:Melissa 和LoveLetter 利用了朋友或同事间的信任关系。想像一下,当从朋友处收到一个附件而朋友让你打开它的情景,这就是Melissa 或其它类似的邮件病毒发生的情况。一旦发作,这样的蠕虫病毒会将自己发送到各个email 地址中,这些地址是从受害者的地址簿、
以前发送的email 和网页缓冲中得到的。
管理员会通过识别已知的扩展名来阻止危险email 附件,病毒制造者会利用其它的扩展名来绕过这种防护。可执行文件(.Exe)被重命名为.bat 或.cmd 外加其它扩展列表,仍然会执行并且会成功的感染目标用户。
经常地,黑客会通过发送类似flash 的动画渗透到网络中,当现实有趣的动画的同时,在后台窃取你的密码,然后就破解访问你的网络了。
(71 ) A. attachment B. packet C. datagram D. message
(72) A. virtual B. virus C. worms D. bacteria
(73) A. memory B. caches C. ports D. registers
(74) A. names B. cookies C. software D. extensions
(75) A. cracker B. user C. customer D. client
解: (71)A(72)B (73) B (74) C(75)A
上午考试分析-专业英语(2005 下)
意思:
● MIDI enables people to use (66) computers and electronic musical instruments. There are actually three components to MIDI, the communications " (67) ", the Hardware Interface and a distribution (68) called "Standard MIDI Files". In the context of the WWW, the most interesting component is the (69 ) Format. In principle, MIDI files contain sequences of MIDI Protocol messages. However, when MIDI Protocol (70) are stored in MIDI files, the events are also time-stamped for playback in the proper sequence. Music delivered by MIDI files is the most common use of MIDI today.
(66)A. personal B. electronic C. multimedia D. network
(67)A. device B. protocol C. network D. controller
(68)A. format B. text C. wave D. center
(69)A. Video B. Faxmail C. Graphic D. Audio
(70)A. messages B. packets C. frame D. information
上午考试分析-专业英语(2005 下)
意思:
MIDI 能够使得人们使用多媒体计算机和电子音乐仪器。MIDI 实际上有3 个部件:通信协议,硬件接口和被称为标准MIDI 文件的分发格式。在WWW 的上下文中,最有趣的部件是音频格式。原理上,MIDI 文件包含了一系列MIDI 协议报文。然而,当MIDI 协议报文以MIDI 文件形式存储时,各个事件被打上时间戳在适当的序列中以便能回放。以MIDI 文件形式传递的音乐是目前应用最广泛的。
(66)A. personal B. electronic C. multimedia D. network
(67)A. device B. protocol C. network D. controller
(68)A. format B. text C. wave D. center
(69)A. Video B. Faxmail C. Graphic D. Audio
(70)A. messages B. packets C. frame D. information
解: (66)C(67)B (68)A (69)D (70) A
意思:
Certificates are(71)documents attesting to the(72) of a public key to an individual or other entity. They allow verification of the claim that a given public key does in fact belong to a given individual. Certificates help prevent someone from using a phony key to |