CEA CompTIA DHTI+ Set 2

1.

When testing wireless networks in a home, which of the following tools would be used to determine the dead spots in the house?

Signal meter software IR signal level tester Tracert software CAT5 cable tester

2.

When a light connected to an electronic dimmer module does not function with the control button, the integrator should:

look for a loose or broken wire. change the light bulbs. turn the module on manually, and check for voltage at its output terminal. reload the embedded control system software and check again.

3.

Which of the following is an integrators BEST tool?

System documentation that is complete. A list of technical support phone numbers. A copy of the entire manufacturer's software. A copy of the work order.

4.

Which of the following tools are commonly used to diagnose dial tone?

Time Domain Reflectometer (TDR) Buttset Multi-meter Cable Tester

5.

An integrator should call on technical support:

only after carrying out diagnostic procedures. when the problem may be due to a poor quality product. as soon as the technician is on-site. to help diagnose the problem.

6.

While installing an on-line enabled gaming system, the integrator verifies the gaming system is connected to the LAN, but cannot reach the Internet. Which of the following choices could provide a solution in connecting the system to the Internet?

Verify the correct ports are open on the router. Verify the file transfer protocol (FTP) function is enabled and the online subscription is valid. Verify the virtual private network (VPN) is properly configured and authenticated. Verify file sharing is enabled on the personal computer.

7.

A customer calls to complain that pressing the power on button on the home theater controller will not turn on his plasma. Which of the following should be done FIRST?

Try using the original plasma remote. Recharge the home theater controller. Reboot the plasma. Check for circuit breaker power and reset if necessary.

8.

Detailed documentation of integrated systems:

is usually limited to manufacturer documentation. is relatively easy to produce. is extremely important in providing consistent service quality. contains only electrical information.

9.

When troubleshooting a system which of the following is the FIRST step a technician should perform?

Contact technical support to see if they can assist. Identify symptoms of the problem. Substitute known good equipment. Cycle power to see if the problem disappears.

10.

Which of the following is the purpose of a toner?

Locates specific wires Measures voltage Measures strength of signals Locates breaks in the cable

CEA CompTIA DHTI+ Set 2

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CEA CompTIA DHTI+ Set 2

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