ATT Field Competency (FC) Practice Test

These questions are part of the practice quiz. Start practicing

• Which of the following is NOT typically part of fiber optic installation?
• What cooling system utilizes chilled water for both standby and normal operation?
• In a power supply context, what does "pulsating DC" refer to?
• At what value is AC current typically compared to DC current in effectiveness?
• How does good latency management benefit VoIP providers?
• What is the effect of network congestion on user experience?
• What does the protection section of a power supply do?
• What is 'load balancing' in networking?
• Which types of faults occur in a series circuit?
• What are the three characteristics needed for a sine wave?
• What is the primary function of a transformer?
• What is a slow blow fuse designed to do?
• What does QoS stand for and why is it important?
• Which term describes the relationship between the primary and secondary coils in a transformer?
• What is a common fault in electrical TS systems?
• In what condition does a transistor's collector perform best?
• Which of the following is an essential consideration for technicians regarding equipment placement?
• In terms of customer service, what skill is emphasized in the ATT Field Competency exam?
• What does a higher SLA response time indicate about a service provider?
• Which of the following statements is true about a rectifier's function?
• What is the peak-to-peak voltage of a sine wave?
• What impact does high latency have on voice communications?
• How much more DC current is required to freeze the body compared to AC current?
• What should technicians be aware of when deploying wireless networks?
• What does GFCI stand for?
• What role does a network firewall serve?
• What role do faulted magnetic coils and contacts play in circuit reliability?
• What is the consequence of poor documentation in technical work?
• Which statement is true regarding the output voltage of a transformer?
• What happens when there is an open in the primary of a transformer?
• What is the formula for calculating wavelength?
• Define 'ping' in networking diagnostics.
• What is the period of a 100 Hz sine wave?
• What should technicians prioritize during a site survey?
• What type of environment increases the risk of electrical accidents?
• What is a characteristic of toggle switches?
• What is the primary purpose of the emitter in a transistor?
• What is defined as the voltage or current value at its maximum points?
• Which key area is evaluated in the ATT Field Competency (FC) exam?
• In the context of VoIP, what is a common consequence of exceeding acceptable latency levels?
• Which type of burn is caused by electrical current flowing through tissue or bones?
• What is the output frequency of both a full wave rectifier and a bridge rectifier?
• If the wire in a fuse melts, what occurs in the circuit?
• What is involved in the installation of a microwave backhaul?
• What does the term "quiescent" refer to in electrical terminology?
• What happens to an LED in an electrical TS system if there is an open or short circuit?
• What determines the potential of electric energy in a circuit?
• Which of the following can result from poor latency management in VoIP?
• How does SLA contribute to customer satisfaction in telecommunications?
• What preventive maintenance practices are critical for field technicians?
• Are capacitors classified as circuit protection devices?
• What is the main purpose of using fiber cleavers in fiber optics?
• What occurs in a particle collision generating sound waves?
• What is a critical aspect of customer interactions during field service?
• What is 'Ethernet over Power' technology?
• What are the types of rectifiers commonly used?
• In a circuit, what does an increase in resistance do to the current?
• What is the effect of a complete short in the secondary of a transformer?
• How do transistors function in an electrical circuit?
• An open in the secondary of a transformer prevents what?
• What is an important procedure following an accident in the field?
• Current is measured in an open circuit when the leads are placed in what way?
• What tools are essential for field technicians according to the exam guidelines?
• What aspect of VoIP calls can be negatively affected by high latency?
• Which characteristic is essential for an iron core in an inductor?
• What is the minimum AC current required to cause severe muscle contractions?
• What is a bridge rectifier?
• What is the role of documentation in field operations?
• Which quantity cannot be measured directly from an oscilloscope?
• What is the function of a Ground Fault Circuit Interrupter?
• What is one important factor to consider regarding the path of electric current?
• What are thermal contact burns caused by?
• Which of the following statements about transformer efficiency is true?
• What is the function of a Network Interface Card (NIC)?
• What tools are typically used for splicing fiber optics?
• How is current defined in electrical terms?
• What are the recommended ways to prevent electrical shock?
• Which types of signals are applied to transistors?
• How is the performance of field technicians typically evaluated?
• Which type of capacitor is likely to be polarized?
• What is the maximum voltage value also referred to in a technical context?
• An open wire will measure?
• Capacitance measures a conductor's ability to do what?
• In a power supply, what does the rectifier do?
• What is a common standard for fiber optic installation covered in the exam?
• A partial short in the primary of a transformer will have what effect on secondary voltage?
• Why is link integrity important in microwave backhaul installations?
• What safety protocols are crucial for technicians in the field?
• How should a technician react to an emergency situation during fieldwork?
• What is a common standard for network cable quality?
• What principle do transformers operate on?
• What is a common form of interference in telecommunications systems?
• Which part of a transistor is designed to dissipate heat effectively?
• What fault causes resistance to increase or decrease?
• Which components of a power supply can be considered optional?
• When measuring AC voltage, what should the configuration of the voltmeter be?
• What is applied voltage in a circuit?
• What sensation is experienced when electric current passes through the body?
• What type of signal does a modem convert?
• What is the proper solution for a malfunctioning sealed relay?
• What is the basic unit of inductance?
• What is the purpose of the regulator in a power supply?
• What category do electrical fires fall under?
• Which issue indicates that a faulted TS relay needs replacement?
• What does 'attenuation' refer to in telecommunications?
• If an integrated circuit (IC) has internal malfunctions, how is its operation described?
• What is one key factor that influences latency in VoIP communication?
• What can be done to an internal IC to produce signals that indicate three different voltage levels?
• Which statement is true about electrical resistance?
• In which application would you expect to use a variable capacitor?
• What happens when positive current hits a capacitor plate?
• Why might a service provider monitor latency in VoIP services?
• What phenomenon does an inductor primarily rely on?
• Which of the following burns is associated with hot surfaces?
• What are the three most common faults found in ICs?
• What is an arc burn?
• How effective is AC compared to DC?
• Which measure reflects the quality of a sine wave?
• What does 'bandwidth' refer to in telecommunications?
• What does the letter "D" stand for in a basic schematic diagram?
• What aspect of customer interactions is crucial for technicians during the field operations?
• What is the significance of signal loss in network maintenance?
• What does the term 'throughput' refer to in networking?
• What is 'throughput' in the context of networking?
• Name a commonly used coaxial cable type in telecommunications.
• What is the role of the input section of a power supply?
• Which of the following is NOT a type of capacitor?
• What is the primary role of a Time Domain Reflectometer (TDR)?
• What is a critical first step to take in an electrical shock emergency?
• Which statement is true regarding service level agreements?
• What is the main material used in the construction of a capacitor's dielectric?
• What are the three types of inductors?
• What is the primary function of safety goggles?
• Which of the following is typically included in a service level agreement?
• What component indicates an element change is needed in dry air systems?
• Which of the following factors does NOT determine the amount of inductance?
• Which network topology types should candidates understand for the ATT Field Competency (FC) exam?
• Which field service terms should every candidate know for the exam?
• What type of burnishing tool is used to prevent contact issues in TS relays?
• What is a capacitor primarily made of?
• Which type of transformer is designed to lower voltage levels?
• Why is it important for technicians to document their work?
• TS procedures should be?
• What is the purpose of a fiber optic patch panel?
• What factors can affect capacitance?
• What are the two main types of signal tracing?
• Wavelength is defined as?
• What does 'VPN' stand for and its purpose?
• What is the purpose of a network performance monitor?
• How does the power supply filter assist in its function?
• How often should an inspection be conducted on installed equipment?
• How quickly does a fast acting fuse typically blow?
• Which three components are necessary to induce a current?
• What is a key difference between fuses and circuit breakers?
• How is latency defined in telecommunications?
• What is the definition of 'splice loss' in fiber optics?
• Which tool is recommended for cleaning relay contacts?
• What is the primary function of a power supply?
• Which method is used in network troubleshooting?
• Which three steps are essential for repairing digital systems?
• What effect does increasing the number of turns in the secondary coil have in a step-up transformer?
• What characteristic describes a base in a transistor?
• A step-down transformer _____________ output voltage in the secondary.
• What is the main function of a network switch?
• In a schematic diagram, what does the letter "C" represent?
• Which type of switch is NOT mentioned in the content?
• What is typically used to transfer energy between the primary and secondary coils in a transformer?
• How does antenna pattern affect network performance?
• What is the purpose of RF (Radio Frequency) testing?
• Why is it important for customers to understand the SLA when choosing a telecommunications provider?
• What is the output frequency of a half wave rectifier compared to the input frequency?
• When a switch is closed, it has __________ resistance and when open, it has __________ resistance.
• During the ATT Field Competency exam, which of the following skills are likely to be tested?
• Why is a full wave rectifier considered more efficient than a half wave rectifier?
• Which type of switch allows for multiple activation points?
• What is mutual inductance in transformers?
• What is the primary focus of the ATT Field Competency (FC) exam?
• What kind of fault provides no resistance to current flow?
• In a series parallel open, current decreases in parallel and series, while the voltage drop increases due to an increase in total resistance. This statement is best described as?
• What type of cooling system is typically used in sealed enclosures?
• What fault causes current to stop?
• How does proper cable management benefit field operations?
• What is the general measure of frequency in electrical terms?
• How many diodes does a bridge rectifier contain?
• To effectively prevent electrical shock, what does 'insulate' refer to?
• What techniques are involved in fiber termination?
• What is recommended to address TS relays and switches that are faulty?
• What condition can lead to severe injury from electric shock?
• Define 'network latency'.
• Why is understanding latency important for VoIP services?
• What might happen if the terms of the SLA are not met by the service provider?
• What does "TP" mean in a schematic diagram?
• Which factor does NOT affect the severity of an electric shock?
• How can redundancy benefit a telecommunications network?
• How many diodes are used in a full wave rectifier?
• What is the primary purpose of a transformer?
• What does Pout equal in a transformer?
• If someone has been shocked, what should you do first?
• Which of the following statements about inductance is true?
• What fault occurs when current flows in one direction through relay contacts?
• How can environmental factors affect telecommunications installations?
• What are the four basic steps in troubleshooting a circuit?
• What type of systems should candidates expect questions about in this field?
• What is induction in electrical terms?
• Name one potential hazard in telecommunications work environments.
• What is the frequency in cycles per second for a wave measuring 100 Hz?
• Shorts have a voltage drop of?
• Which factor is NOT a contributor to electrical accidents?
• What do the letters AVC represent in a basic schematic?
• In a transformer, the primary coil's input current is related to which factor?
• What is the role of the emitter in a transistor?
• In terms of voltage, what does the turns ratio in a transformer determine?
• What type of protection should be worn when using a tool that produces sparks?
• What is the primary function of a diode in rectification?
• A step-up transformer ___________ output voltage in the secondary.
• What does a short circuit imply about the connection between components?
• How do you address a sealed relay that is not functioning?
• Which component in a schematic is represented by the letter "T"?
• What is the first step in the procedure for electrical troubleshooting?
• When does a transformer exhibit better efficiency?
• What is the formula for finding the period of a wavelength?
• Which components make up a traditional power supply?
• What does the term voltage drop refer to?
• What type of failure is caused by current flowing through a relay’s contacts in one direction?
• What is the primary purpose of a service level agreement (SLA) in telecommunications?
• What is a key characteristic of a half wave rectifier?
• Which of the following is a critical part of personal protective equipment (PPE) for field technicians?
• What is a component that has the ability to concentrate a magnetic field called?
• Which rectifier uses both halves of the AC waveform for conversion?
• What condition might contacts in TS relays and switches be in if they are noted as coned or cratered?
• What is often utilized to analyze waveforms for frequency and amplitude?
• What should be done if no fault is found after voltage or current measurements?
• Which of the following is a primary factor in the severity of electric shock?
• What does an open transformer indicate?
• What types of troubleshooting techniques are emphasized in the ATT Field Competency exam?