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Waec 2017 Data Processing Past QuestionsQuestion 26:Which of the following is not a type of wireless transmission A. Bluetooth B. Fiire optics C. Infrared D. WiFi Question 27:The basic criterion for classifying a network is ____________ A. Psychological consideration B. Geographical scope C. Equipment availability D. Economic reason Question 28:Which of the following measures are used to secure data on-line? I. Password II. Encryption III. Personal Identification Number (PIN) A. II only B. III only C. II and III D. I, II, and III Question 29:In e-mail context, bcc stands for ____________ A. Backup carbon copy B. Blank carbon copy C. Blind carbon copy D. Bulk carbon copy Question 30:An internet-based system that allows people different geographical locations to have in-personmeeting is known as ____________ A. Voice messaging B. Voice conferencing system C. On-line mailing D. Fax system |
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