多項選擇題You are the network consultant from passguide.com. You have been asked for which two features of optical networks allow data to be transmitted over extremely long distances? ()

A.Encryption
B.Bandwidth limits
C.Minimal signal loss
D.No EMI


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2.多項選擇題Content networking solutions improve access to which two types of content?()

A.Media-rich e-learning
B.Real-time financial system reports
C.Text-based enterprise e-mail distribution
D.Video presentations from corporate leaders

3.多項選擇題What are two appropriate uses for Internet Protocol TV broadcasting (IP/TV) technology? ()

A.Enabling online collaboration among research personnel
B.Delivering a strategic business update from the CEO to all personnel
C.Enabling an interactive virtual classroom for sales personnel in remote locations
D.Delivering information about changes in health benefit enrollment to all personnel

5.單項選擇題Which benefit does digital subscriber line (DSL) systems for broadband access provide to the user?()

A.Secure access to company extranet
B.Dedicated lines for high security data transfer
C.Simple solution for high-quality digital video using coaxial cable
D.Data and audio signals that share the same communications infrastructure