71. Which of the following is a popular online marketplace for freelance services?
a. Upwork
b. Twitter
c. LinkedIn
d. Instagram
72. What is the name of the technology used for creating and managing online chat rooms and instant messaging systems?
a. IRC
b. XMPP
c. Slack
d. All of the above
73. Which of the following is a popular social media platform for professional networking?
a. LinkedIn
b. Twitter
c. Facebook
d. Instagram
74. What is the name of the technology used for creating and managing online fundraising campaigns?
a. Kickstarter
b. GoFundMe
c. Patreon
d. All of the above
75. Which of the following is a popular online marketplace for digital products and services?
a. Fiverr
b. Twitter
c. LinkedIn
d. Instagram
76. What is the name of the technology used for creating and managing online surveys and questionnaires?
a. SurveyMonkey
b. Typeform
c. Google Forms
d. All of the above
77. Which of the following is a popular online platform for booking travel accommodations?
a. Airbnb
b. Twitter
c. LinkedIn
d. Instagram
78. What is the name of the technology used for creating and managing online job postings and recruitment?
a. Job board software
b. Applicant tracking system (ATS)
c. Human resources information system (HRIS)
d. All of the above
79. Which of the following is a popular online platform for booking ridesharing services?
a. Uber
b. Twitter
c. LinkedIn
d. Instagram
80. What is the name of the technology used for creating and managing online customer support systems?
a. Help desk software
b. Customer relationship management (CRM)
c. Ticketing system
d. All of the above
