Z3d152 Vol 2 Communication Quiz

The flight commander is responsible for determining if Preventative Maintenance Inspections (PMI) are accomplished when commercial manuals or publications are not available. This is because the flight commander is in a position of authority and has the overall responsibility for the maintenance of the aircraft. They have the knowledge and expertise to make decisions regarding maintenance procedures and inspections in the absence of commercial manuals or publications.

Table control is the correct answer because it refers to the Digital Multiplex System (DMS)-100 database facility that is responsible for creating and maintaining tables of data in a controlled manner. This facility ensures that the data in the tables is organized and managed effectively, allowing for efficient access and retrieval of information. The other options, such as journal file, dump/restore, and pending order file, do not specifically pertain to the creation and maintenance of tables in a controlled manner.

In common associated signaling (CAS), the seventh bit in frames 6 and 12 is used for "Bit robbing". Bit robbing refers to the process of stealing the least significant bit from the sixth frame and using it as the seventh bit in frames 6 and 12. This technique is used to increase the capacity of the signaling system by utilizing existing bits in a more efficient manner.

The correct answer is time division. Time division multiplexing (TDM) is a method used by T1 multiplexers to combine multiple signals into one transmission line. It works by dividing the available time slots into smaller intervals and allocating them to different signals. Each signal takes turns transmitting during its allocated time slot, allowing multiple signals to be transmitted simultaneously. This method maximizes the utilization of the transmission line and ensures efficient communication.

DISA Direct Order Entry (DDOE) is the correct answer because it is the web application used to order telecommunications products and services from the Defense Information Systems Agency (DISA). The other options, Facility Circuit Information Tracking (FaCIT), Cyberspace Infrastructure Planning System (CIPS), and Telecommunications Certifications Office Support System (TCOSS), are not mentioned in the question and therefore not the correct answer.

Combined distribution frames are designed to combine the functions of both a main distribution frame and an intermediate distribution frame. This means that they can handle the tasks and responsibilities of both types of frames in a single unit. Therefore, the correct answer is an intermediate distribution frame.

The question asks for the tunneling component that is not part of Teredo. Teredo is a tunneling protocol used to enable IPv6 connectivity over IPv4 networks. The components mentioned in the options, such as host-specific relay, client, and server, are all part of Teredo. However, "agent" is not a recognized tunneling component in the context of Teredo. Therefore, the correct answer is "Agent."

A characteristic of synchronous data operation is that all data bits are the same length in time. This means that each bit within the data stream is transmitted and received at the same predetermined time interval. This ensures that the sender and receiver are synchronized and can accurately interpret the data being transmitted. The uniform length of data bits allows for efficient and reliable data transmission, as it eliminates the need for additional start and stop pulses or timing pulses within the signal stream. System timing becomes critical in synchronous data operation to maintain synchronization between sender and receiver.

Modulation is the process of modifying one or more characteristics of a carrier signal in accordance with an instantaneous characteristic of an information signal. This allows the information signal to be transmitted efficiently over a communication channel. Multiplexing refers to the combining of multiple signals into one transmission, while quantization is the process of converting continuous analog signals into discrete digital values. Synthesizing involves creating complex signals by combining simpler ones. However, only modulation directly relates to the process described in the question.

The FCC has set limits to prevent interference between FM radio stations. These limits restrict the amount by which each station can deviate its oscillator frequency. The correct answer is 75 kHz because this is the maximum allowed deviation for FM radio stations according to the FCC regulations.

If the circuit does not meet all required parameters but the TSO issuing authority still advises that the circuit is accepted for service, a report must be sent indicating the exception. This means that there is an acknowledgement that the circuit does not meet all requirements, but it is still being accepted for service due to certain circumstances or considerations.

In a circuit-switched telephone network, each call has a dedicated circuit created by the switch. This means that a physical path is established between the calling and receiving parties for the duration of the call. This dedicated circuit ensures that the call has a consistent and uninterrupted connection, as the resources are exclusively allocated to that call. Unlike packet-switched networks, where data is divided into packets and sent separately, circuit-switched networks transmit the entire call in a continuous stream.

The Enterprise Telephony Management system provides enterprise-wide visibility into telecom resource utilization, phone network usage, and incidents of toll fraud. This system allows organizations to monitor and manage their telephony infrastructure, including tracking resource usage, analyzing network traffic, and detecting and preventing fraudulent activities. It provides a comprehensive view of the organization's telephony environment, enabling effective resource allocation, cost control, and security measures.

Coarse wave division multiplexing (CWDM) is a wave-division multiplexing technology that uses uncooled lasers to reduce cost. CWDM allows multiple signals with different wavelengths to be combined and transmitted over a single fiber optic cable, increasing the capacity of the network. Unlike dense wave division multiplexing (DWDM), which uses cooled lasers for higher capacity and longer distances, CWDM is a more cost-effective solution for shorter distances and lower capacity requirements. Therefore, CWDM is the correct answer as it specifically mentions the use of uncooled lasers to reduce cost.

A Global Positioning System (GPS) timing source is classified as a stratum level 1. This means that it is a highly accurate and reliable source of time synchronization. Stratum level 1 devices receive time directly from atomic clocks or satellite-based timing sources, such as GPS. These devices are considered the most accurate and are typically used as a reference for synchronizing other lower-level devices in a network.

If a circuit fails its management threshold, the appropriate test that might be performed is quality control. Quality control involves inspecting and testing the circuit to ensure that it meets the required standards and specifications. This test is important to identify any faults or issues in the circuit and to ensure that it functions properly. Operational acceptance, test and acceptance, and operations and maintenance are not directly related to addressing a circuit failure, making them incorrect options.

When an alarm is detected in the fence protection system (FPS), an analog signal is sent to the signal processor. An analog signal is a continuous waveform that represents the variations in a physical quantity, such as voltage or current. In this case, the alarm signal is likely to be represented by a varying voltage or current level, which is then processed by the FPS signal processor to trigger the appropriate response or action.

The correct answer is CCITT and low speed. CCITT (Comité Consultatif International Téléphonique et Télégraphique) is a standardization organization that developed recommendations for telecommunication systems. Low speed refers to data transmission at a slower rate, typically used for voice communication or low-bandwidth applications. These two types of frame structures represent different standards and speeds for transmitting data in telecommunication systems.

Within 72 normal duty hours of completion action on the Telecommunications Service Order (TSO), the circuit control office (CCO) must submit an in-effect report. This report is necessary to ensure that the TSO has been successfully implemented and that the circuit is functioning properly. It allows for proper documentation and tracking of the TSO's status and any issues that may arise.

The voice protection system architecture consists of various components that work together to protect voice communication. These components include servers, software, and appliances. However, a firewall is not typically considered a component of the voice protection system architecture. Firewalls are generally used to secure networks and control incoming and outgoing network traffic, rather than specifically protecting voice communication.

The maximum number of ports that a Meridian System Logic-100 (MSL-100) supports is 30,000.

The DMS-100 system contains various subsystems for different purposes, such as test routing, fault detection, fault analysis, and error reporting. Among the given options, the maintenance and administration position is the most suitable choice for housing these subsystems. This position would typically include the necessary tools and interfaces to perform tests, detect faults, analyze them, and report any errors that occur within the system.

Virtual circuits are established, maintained, and terminated at the Transport layer of the Open System Interconnection (OSI) model. The Transport layer is responsible for end-to-end communication and provides reliable and ordered delivery of data packets. It establishes virtual circuits, which are logical connections between two endpoints, and ensures that the data is delivered accurately and efficiently. The Network layer is responsible for routing and addressing, the Physical layer deals with the physical transmission of data, and the Data Link layer handles framing and error detection.

The correct answer is "Tone" because the question is asking about a communications control signal that uses a two-frequency dialing combination. Pulse, digit, and address do not fit this description. Tone signals, on the other hand, are generated by combining two frequencies and are commonly used in telephone systems for dialing.

Frequency-division multiplexing (FDM) is a technique that divides the available bandwidth into multiple frequency channels, each carrying a different signal. However, FDM is susceptible to signal deterioration because it allocates fixed frequency bands to each channel, and any interference or noise in those bands can cause signal degradation. This can result in a loss of signal quality and clarity in the multiplexed transmission. Therefore, FDM is very susceptible to signal deterioration compared to other forms of multiplexing like wave-division, time-division, and phase-division.

The correct answer is "Telecommunications service order." The telecommunications service order is the document that gives authority to the operations and maintenance agencies to procure specific devices and ancillary equipment required for the installation or operation of the circuit. It serves as a formal request for the provision of telecommunications services and includes details such as the type of service needed, equipment specifications, and any additional requirements.

DD Form 1753 is the correct answer because it is the form used for an official narrative log that is often used to brief unit commanders. The other options, 1441, 1443, and 1698, are not relevant to the given question.

DD Form 1443 is used as the primary source of information when preparing DOD Information Network (DODIN) status reports. This form is specifically designed to capture and document the status of the DODIN, including its operational availability, performance, and any incidents or outages. By using this form, organizations can provide accurate and up-to-date information on the status of the DODIN, allowing for effective monitoring and management of the network.

The correct answer is the President’s National Security Telecommunications Advisory Committee. This committee released a report that emphasized the vulnerabilities of voice and data converged networks. The report likely discussed the potential risks and threats associated with these networks, highlighting the need for increased security measures to protect against cyber attacks and other threats.

The voice protection system servers are installed in the Integrated Network and Security Center. This is the location where network and security operations are centralized and managed. By installing the servers in this center, it ensures that the voice protection system is securely integrated into the overall network infrastructure and can be effectively monitored and controlled.

The AN/GSS-39 interior intrusion detection system is specifically designed to detect intruders attempting to enter a shelter, storage igloo, or building. This system is likely equipped with sensors and alarms that can detect unauthorized entry and alert security personnel. The other options, AN/GSS-42, AN/GSS-41, and AN/GSS-29, are not mentioned to have this specific capability in the given information.

The extended superframe format (ESF) framing sequence consists of 24 bits.

( serial editor, personal computer, or digital picture manipulator (like GVG’s DPM–100) )

The correct answer is Output driver. The output driver is a basic circuit in a video distribution amplifier that consists of two transistors forming the upper leg of a totem pole circuit. This circuit is responsible for driving the output signal and ensuring that it has the necessary voltage and current levels to be transmitted effectively to the receiving devices. The output driver helps to amplify and shape the video signal before it is sent out to the connected displays or devices.

The maximum detection distance of an Infrared Pulsed Intrusion Detection System (IPIDS) is 80 meters.

A digital signal that contains synchronizing bits within the signal stream describes asynchronous operation. This is because synchronizing bits are used to maintain the timing and synchronization between the sender and receiver in asynchronous communication. Asynchronous operation allows for the transmission of data without the need for a continuous clock signal, as the synchronizing bits help the receiver identify the start and end of each data packet.

The signaling equipment has three types of communication signals that control and process calls. This means that the equipment is responsible for managing and directing calls, ensuring that they are properly routed and connected. It does not specifically mention switch addressing or digit translations, so these options can be ruled out. Providing a clear signal is not mentioned as a specific function of the signaling equipment in this context.

In Integrated Services Digital Network (ISDN), the "B" channel is responsible for carrying user traffic. This channel is used to transmit voice, data, and video signals between the user's devices and the network. It is dedicated to carrying the actual information that the user wants to transmit, such as phone conversations or data files. The other channels in ISDN, such as the "D" channel, are used for call setup, handshaking, and management data. However, the "B" channel is specifically designed for carrying user traffic.

A voice protection system is designed to secure communications, enable real-time notifications, and detect and block modem connections. However, centralizing yet distributing management is not a characteristic or capability of such a system. This means that the system does not centralize the management of voice protection, but rather distributes it across different components or entities.

Incoming (unswitched) circuits transmitted to the NT9X35A cross-point card enter through the Vertical bus (V-bus).

The correct answer is Transport. In a hierarchical network design, the three distinct layers are Core, Distribution, and Access. The Core layer is responsible for high-speed backbone connectivity, the Distribution layer provides routing and filtering functions, and the Access layer connects end devices to the network. The Transport layer, on the other hand, is a layer in the OSI model that handles end-to-end communication between devices and is not specifically related to the hierarchical network design.

In the Associated CCS mode, the transfer of messages relating to signaling between two points occurs directly over links interconnecting the signaling points. This means that the signaling messages are sent and received between the specific signaling points involved in the communication, without the need for any intermediate nodes or additional routing. This mode allows for a more direct and efficient transfer of signaling messages, ensuring a reliable and timely exchange of signaling information between the points involved.

External timing distribution occurs through station clocks in order to create a better timing environment in communications networks. Station clocks are responsible for synchronizing the timing of various network elements and ensuring that they are all operating on the same time reference. This is crucial for maintaining the accuracy and reliability of network operations, especially in scenarios where precise timing is required, such as in telecommunications or financial systems. By using station clocks for timing distribution, the network can achieve better synchronization and minimize timing errors or discrepancies between different network components.

The correct answer is DS–512. The Digital Multiplex System (DMS)-core is connected to the DMS-bus using the DS–512 link. This indicates that a high-speed digital signal with a capacity of 512 DS0 channels is used to establish the connection between the two systems. The DS–512 link allows for efficient transmission of data and communication between the DMS-core and the DMS-bus.

The correct answer is Advanced Television Systems Committee. This committee was responsible for developing the digital television standards used in the United States. They developed the ATSC standards, which include the transmission, reception, and display of digital television signals. These standards were adopted by the United States as the standard for digital broadcasting, replacing the previous analog system.

The maximum length of the vertical taut-wire sensor (VTWS) is 328 feet.

The secondary mode of detection for the microwave fence sensor is multipath reflection. This means that the sensor detects any reflections or echoes of the microwave signal caused by objects in the environment. These reflections can occur when the signal bounces off buildings, trees, or other obstacles, and the sensor analyzes these reflections to detect any potential intrusions.

Pulse-code modulation (PCM) is a type of pulse modulation that converts analog signals into digital signals by encoding the amplitude of each pulse. Since PCM uses a digital representation, it is less susceptible to noise interference compared to other pulse modulation techniques such as pulse-amplitude modulation (PAM), pulse-duration modulation (PDM), and pulse-position modulation (PPM). PCM's digital encoding ensures that the original signal is accurately represented, making it more robust against noise. Therefore, pulse-code modulation is the type of pulse modulation that is least affected by noise.

The shifted R-Y and B-Y signals are referred to as I (in-phase) and Q (quadrature).

Pulse-position modulation is a form of pulse modulation where the position of a discrete pulse is varied within a range. In this modulation technique, the timing or position of the pulses is used to convey information. The amplitude and duration of the pulses remain constant, but their position changes to represent different data values. This allows for efficient transmission of data as it reduces the chances of errors and provides better noise immunity.

The node side coordinator is responsible for all circuits within their facility up to the designated demarcation point. They also provide troubleshooting assistance at the direction of the Global NetOps Support Center (GNSC). This role acts as a focal point for communications within the facility and ensures smooth operations of the network.

The correct answer is frequency response and envelope delay. These are two important parameters that need to be recorded on the reverse/back side of the DD Form 1697–Analog. Frequency response refers to the ability of a system to reproduce different frequencies accurately, while envelope delay refers to the time it takes for a signal to travel through a system. By recording these test results, technicians can assess the performance of the analog system and make any necessary adjustments or repairs.

When you must restore user service by rerouting, the second type of circuit you preempt is nonactive on-call circuits. This means that if there are any circuits that are currently not in use but are reserved for potential on-call usage, they will be preempted in order to prioritize the restoration of user service.

The Meridian Option 11C Small System Controller has three serial data interface ports.

The control component of the SuperNode central control consists of the computing mode (CM) and the system load module (SLM). These elements are responsible for managing and controlling the operations of the SuperNode system. The computing mode determines the mode of operation, while the system load module monitors and manages the workload of the system. Together, CM and SLM ensure efficient control and operation of the SuperNode central control.

The correct answer is "Pending order file." In a Digital Multiplex System (DMS)-100 database facility, the pending order file provides the functionality to store data modification orders (DMO) and retrieve them at a specified time for execution. This allows for the efficient management and execution of pending orders within the system.

Data communications equipment provides the timing signal for the communication link on a router's serial interface connection. This equipment is responsible for transmitting and receiving data over the network, and it also ensures that the timing is synchronized between the sender and receiver. By providing the timing signal, data communications equipment helps to maintain the accuracy and reliability of the communication link.

Digital coding techniques such as binary with eight-zero substitution (B8ZS) are becoming more popular because they are designed to maintain ones density standards. This means that they ensure a balanced number of ones and zeros in the transmitted data, which is important for maintaining the integrity of the signal and preventing errors. By maintaining ones density standards, these coding techniques help to minimize the risk of signal degradation and ensure reliable communication.

DISAC 310-65-1 is the correct answer because it specifically lists the methods used to identify systems, links, trunks, and circuits. The other options do not mention anything about listing identification methods, so they are incorrect.

The Air Force Information Warfare Battle Lab recognized during the initial research for voice system security that the most common security threats could be addressed by a voice protection system.

The correct answer is 2 because each field distribution box (FDB) can service two vertical taut-wire sensor (VTWS) sectors. This means that one FDB can provide support and service for two separate sectors, ensuring accurate and reliable data collection from the VTWS sensors.

The Circuit Control Office (CCO) is responsible for managing a circuit end-to-end. They oversee the entire circuit, ensuring its proper functioning and addressing any issues that may arise. The Defense Information Systems Agency (DISA) is a separate agency responsible for providing information technology and communications support to the Department of Defense. The Network Control Center (NCC) and Node Side Coordinator (NSC) are not specifically mentioned in relation to circuit management.

Binary-phase shift keying (BPSK) is a form of modulation that is insensitive to signal variations. BPSK encodes the information by shifting the phase of the carrier signal by 180 degrees, representing a binary 1 or 0. This modulation scheme is robust against signal variations such as amplitude changes, noise, and distortion. The receiver can accurately detect the phase shift and demodulate the signal, making BPSK an ideal choice for applications where signal variations are common, such as wireless communication systems.

The Journal file in the Digital Multiplex System (DMS)-100 database facility is used to preserve data modifications orders (DMO) on tape or disk. This allows for the restoration of data tables in case of a system failure. The Journal file keeps a record of all changes made to the data, ensuring that any modifications can be recovered and applied again if necessary. This feature provides a level of data protection and ensures the integrity of the system.

SDLC (Synchronous Data Link Control) is a data communication protocol that supports a variety of link types and topologies. It is a synchronous protocol, meaning that data is transmitted in a synchronized manner with the sender and receiver using the same clock signal. SDLC is widely used in communication systems and networks, providing reliable and efficient data transmission. It is capable of supporting different link types and topologies, making it a versatile protocol for various applications.

In common channel signaling (CCS), supervisory signaling information is transferred through a separate network channel. This means that the signaling information is transmitted separately from the voice or data channels, allowing for more efficient and reliable communication. By using a separate network channel, the signaling information can be transmitted without interfering with the main communication channels, ensuring that the supervisory signals are accurately and efficiently transmitted between the communicating parties.

A taut-wire system in the Y taut-wire sensor (YTWS) configuration contains 12 sensors.

The correct answer is 200 feet. This means that the maximum length of the Y taut-wire sensor (YTWS) is 200 feet.

The AN/GSS-39(V) system uses the end-of-line module to monitor the integrity of all sensor wiring to the control panel. This module is responsible for detecting any breaks or faults in the wiring and alerting the system to ensure the proper functioning of the sensors. The zone indicator plate, video display unit, and tamper interface module do not serve this specific purpose of monitoring sensor wiring integrity.

The National Communications System (NCS) is the office or system that confirms a restoration priority. The NCS is responsible for coordinating and prioritizing the restoration of communications during emergencies or disasters. They work closely with various government agencies and private sector organizations to ensure that critical communication services are restored in a timely manner.

The GVG-110 video switcher effects key fills with either the key bus video or an internally-generated color matte signal. This means that the effects keyer can use either the video signal from the key bus or a color matte signal that is generated internally to create the key fill. The key fill is the background image or video that is used in conjunction with the key signal to create a composite image.

The SD80DC microwave sensor is capable of providing 10 selectable frequencies.

Binary synchronous protocol is a data communication protocol that uses characters or "handshaking" to control the link and represent information. This protocol ensures reliable and error-free transmission of data by using synchronization characters and checksums. It provides flow control, error detection, and error correction mechanisms, making it suitable for applications that require high reliability and accuracy in data transmission.

The correct answer is 16. The GVG-110 video switcher has a total of 16 effects storage registers. This means that it can store and recall up to 16 different video effects, allowing for a wide range of creative possibilities in video production and switching. With this many storage registers, users have ample flexibility to customize their video transitions and effects according to their specific needs and preferences.