单项选择题

Which of the following technologies is responsible for communication with the CPU?（）

A. eSATA
B. PCI express
C. Southbridge
D. Northbridge

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多项选择题

Which of the following cable types can transmit at 100 Mbps and has the SAME transmissiondistance without the use of a repeater?（）

A.CAT6
B.RG-59
C.CAT5e
D.CAT3
E.RG-6

单项选择题

A technician has installed a new motherboard in a workstation, but after hardware tests, themotherboard has failed. Which of the following should the technician do FIRST before replacingthe motherboard? （）

A. Reseat all power connections.
B. Remove the CMOS battery.
C. Install the graphics card.
D. Ground to the case.

单项选择题

The security team has implemented new guidelines on how to handle sensitive information storedon workstations based on a past incident involving information found on donated workstations.Which of the following should be completed by technicians before donating the workstations?（）

A. Install a new operating system
B. Delete users’ data before donation
C. Write the drive with 1’s and 0’s three times
D. Delete all partitions of the hard drive