Describe the HSPA+ (High Speed Packet Access Plus) and LTE (Long Term Evolution) cellular networking technologies.

What will be an ideal response?


ANSWER: The HSPA+ began as a 3G technology released in 2008 that uses MIMO and sophisticated encoding techniques to achieve a maximum 168 Mbps downlink throughput and 22 Mbps uplink throughput in its current release. To achieve such speeds, HSPA+ uses limited channels more efficiently and incorporates more antennas in MIMO transmission. However, faster and more flexible technologies, such as LTE, are overtaking HSPA+ in popularity. LTE is a 4G technology that uses a different access method than HSPA+. While the latest version, LTE-Advanced, can theoretically achieve downlink data rates of up to 1 Gbps and uplink rates up to 100 Mbps, actual speeds are significantly less. LTE is currently the fastest wireless broadband service available in the United States.

Computer Science & Information Technology

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Answer the following statements true (T) or false (F)

1. The drop-frame timecode drops or discards frames to preserve the time accuracy of a video. 2. The signals of digital television are broadcast or transmitted digitally. 3. The frame aspect ratio of all six HDTV formats is 16:9. 4. A very long video, even with low data rate, can have a large file size. 5. The MP3 audio is a MPEG-3.

Computer Science & Information Technology

________ is the keyboard shortcut to display a list of named ranges

A) F1 B) F2 C) F3 D) F4

Computer Science & Information Technology

Which of the following is NOT a factor that influences the speed and efficiency with which information is retrieved or modified in a database management system?

A. schema design B. permissions C. query design D. indexes

Computer Science & Information Technology

What IDS component detects and sends data to the system?

a. Network sensors b. Report analysis c. Database and storage d. Response box

Computer Science & Information Technology