Field Tech II - III Conventional Questions and Answers(A+ Solution guide)

Which of these components is used in a passive optical network (PON)? - Optical splitters. Which should be used to cut the fiberdrop's buffer tube? - A tube cutter What is one reason why broadband cable operators install fiber-optic cable in stages instead of changing the infrastructure all at once? - Changing the infrastructure all at once would cause too many service disruptions. When a pre-connectorized fiber is not attached to equipment, what should be attached to help keep it clean? - A dust cap Simplify and solve the equation: If E = IR then I = ? -E/R (480 x 10 to the power of -5) divided by (60 x 10 to the power of -3) = - 8 x 10 to the power of -2 7 3/8 divided by 7 1/4 = -1 1/58 (20) / (-4) + (-2) x (-10) - (-2) x (7) = - 29 What should you avoid to prevent stress? - Excessive caffeine It is essential to pay attention to warning signs of stress overload. Poor attitude is one of the behaviors that may indicate that you are overstressed. What are the symptoms of poor attitude behavior? - A significant change in attitude with a noticeable movement toward negative, hostile, cynical, or paranoid thoughts During which step of the six-step troubleshooting process for a digital TV (DTV) service problem are quadrature amplitude modulation (QAM) channel measurements typically taken? - Diagnosing symptoms.When troubleshooting a digital TV (DTV) authorization issue, what can be verified using the set-top box (STB) diagnostic page? - STB reception of authorization message data. Which of the following is a multicast control protocol between the cable modem and the CMTS that works in harmony with the downstream channel bonding for efficient and extensible support for multicast applications? - Source-specific multicast (SSM) Which step in the troubleshooting process requires a discussion with the customer to gather more detail about the problem? - Step 1: Identify the problem. Which of the following wire color combinations make up quad station wire? - Green, red, black, yellow A customer reports a problem of no dial tone (NDT). Upon inspection, the technician notices that new carpeting has been installed. What should the technician do next? - Look for a cable that runs under the carpet; it is likely that the cable has a short from the carpeting tack strip. What uses the 2.4-GHz band and runs at 54 Mbps? - 802.11g What is the last step of the basic wireless access point (WAP) setup? - Apply security. Why are wireless local area networks (WLAN) usually deployed in an access capacity instead of as the network's core layer? - WLANs are generally incapable of meeting the requirements of the network core layer, which needs to be very fast and stable, able to handle a tremendous amount of traffic with little difficulty, and must experience no down time.