Which of the following operations is allowed on pointer variables?

A technician is installing a new high performance video card into a computer. Besides having the proper bus interface, which of the following items MUST the computer also have?

A. At least 4GB of RAM B. A processor with at least two cores C. A dual layer DVD drive D. An available power connector

A company has installed a new 802.11g point-to-point connection between two buildings and is experiencing low throughput across the link. The current setup involves a wireless bridge on the roof with an omnidirectional antenna. Which of the following would BEST improve the link performance?

A. Replace the omnidirectional antennas with Yagi antennas. B. Configure channel hopping on both wireless bridges. C. Replace the wireless bridges with wireless access points. D. Install bidirectional amplifiers at both sites