单项选择题A memory type typically used in high end workstations and not generally found in consumer gradePCs is:()

A.ddR3.
B.ecc.
C.pc2-6400.
D.ddR2-667.


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1.多项选择题Modern desktop computer systems require the following to properly dissipate heat()

A. Temperature Control Panel
B. Thermal Compound
C. Liquid Cooling Systems
D. Processor Heat Sink
E. Case Fan

2.单项选择题While accessing the Internet in an external environment (i.e. while traveling), a Windows 7 firewall hould be set to which of the following?()

A. Block incoming and outgoing connections
B. Turned off or disabled
C. Block outgoing connections
D. Block incoming connections

3.单项选择题From which of the following locations can a technician map a drive?()

A. System Properties
B. Help and Support Center
C. Add Hardware Wizard
D. My Computer

4.单项选择题Which of the following utilities would a technician use to determine network utilization? ()

A. Start Menu
B. My Network Places
C. Administrative Tools
D. Task Manager

5.单项选择题Which of the following is the default HTTPS port?()

A.25
B.80
C.110
D.443

6.单项选择题Which type of connector is required for a coaxial network cable?()

A.RJ-11
B.Tokenring
C.BNC
D.RJ-45

8.单项选择题Which of the following is a characteristic of a serial I/O port?()

A. RJ-11 connector
B. DB-15 connector
C. DB-9 connector
D. RJ-45 connector

10.多项选择题Which of the following are potential sources of EMI?()

A. Strong magnets
B. Toaster ovens
C. Cordless phones
D. Flat panel TVs
E. AC power runs