Air Force CDC 3D151: Client Systems Journeyman! Trivia Questions Quiz

The Data Encryption Standard (DES) uses a key size of 64 bits. The key size refers to the number of bits used in the encryption algorithm to encrypt and decrypt data. In the case of DES, a 64-bit key is used to perform the encryption and decryption operations. This key size provides a balance between security and efficiency, as larger key sizes can offer stronger security but may also require more computational resources.

Triple Data Encryption Standard (DES) is a cryptographic algorithm that applies encryption and decryption operations three times in a row. It uses three individual keys, each applied to one of the three operations. This ensures a higher level of security compared to single DES, as it requires an attacker to break through three layers of encryption. Therefore, the correct answer is 3.

The correct answer is "Network" because network encryption refers to the process of encrypting data that is being transmitted over a network. It ensures that the data is secure and protected from unauthorized access or interception. Software encryption, on the other hand, refers to the encryption of data stored on a computer or device using software-based encryption algorithms. While software encryption can be used in conjunction with network encryption, the question specifically asks about the encryption that handles software encryption, which is network encryption.

The TACLANE-Micro is a packet encryption device that can encrypt Internet Protocol (IP) versions 4 and 6. This means that it is capable of encrypting both IPv4 and IPv6 packets, providing secure communication for both versions of the IP protocol.

TACLANE-Micro can be used to overlay Secure Virtual Networks on top of existing public and private network infrastructures. This means that TACLANE-Micro provides a secure and encrypted connection that can be used to create a virtual network on top of existing networks, ensuring the confidentiality and integrity of the data transmitted. This allows for secure communication and information sharing within the virtual network, without compromising the security of the underlying networks.

The correct answer is 17-210. This Air Force instruction (AFI) governs personal wireless communications system (PWCS) management.

The unit commander appoints the unit personal wireless communications system (PWCS) manager. This individual is responsible for overseeing the implementation and management of the PWCS within the unit. They ensure that the system is functioning properly and that all personnel have access to the necessary wireless communications tools. The unit commander is in the best position to select someone who is knowledgeable about the unit's specific needs and can effectively carry out the responsibilities of the PWCS manager.

Land mobile radio (LMR) is the correct answer because it is a personal wireless communications system (PWCS) device that is commonly used for command and control purposes. LMR devices are widely used by public safety organizations, military forces, and other professional users to communicate and coordinate their operations effectively. They provide reliable and secure communication over a wide area, making them suitable for command and control applications where real-time communication and coordination are crucial. Pagers, family radio service (FRS), and intelligence, surveillance, and reconnaissance (ISR) devices are not typically used for command and control purposes.

The Integrated Maintenance Data System (IMDS) is a system that is designed to automate equipment history, scheduling, and other processes. It also functions as a common interactive interface for other systems, allowing for seamless integration and data exchange. Additionally, it provides status and inventory data, allowing users to have real-time information about the equipment. However, it does not have the capability to roll base-level logistics data up to the Air Force level. This means that it does not have the functionality to aggregate and transmit logistics data from lower-level units to the Air Force level for analysis and decision-making.

TDMA is a channel access method that divides time into slots and assigns each call a specific slot on a designated frequency. This allows multiple calls to share the same frequency by transmitting in different time slots. This method is commonly used in cellular networks to maximize the utilization of the available spectrum and enable multiple users to access the network simultaneously.

The unit is usually responsible for their air time charges and must budget accordingly. This means that the individual unit within an organization is responsible for managing and paying for their own air time charges. This could include expenses related to communication and information systems, personal wireless communications systems, and other related costs.

The network termination (NT) 1 component in the video teleconferencing (VTC) system is responsible for converting incoming four wire transmissions into two wire transmissions. This conversion is necessary to ensure compatibility and proper communication between the VTC system and other devices or networks. The NT1 component acts as an interface between the VTC system and the network, allowing for the transmission of audio signals in a format that can be understood and processed by the system.

The component in the video teleconferencing (VTC) system that converts analog signals to digital signals is the coder-decoder (CODEC). The CODEC is responsible for encoding the analog video and audio signals into a digital format that can be transmitted over the network. It also decodes the digital signals received from the network back into analog signals for display and playback. The CODEC plays a crucial role in ensuring the quality and compatibility of the video and audio during a video teleconferencing session.

The purpose of the Transient Electromagnetic Pulse Emanation Standard (TEMPEST) program is to reduce the chances of radiation of electrical impulses. This program aims to prevent unintentional electromagnetic radiation from compromising the security of classified information. By implementing specific measures and standards, TEMPEST reduces the risk of information leakage through electromagnetic emanations.

When a Voice over Internet Protocol (VoIP) session is established between a private branch exchange (PBX) and another Internet Protocol (IP) host, two channels are used, one for each direction. This means that one channel is dedicated to transmitting voice data from the PBX to the IP host, and another channel is dedicated to transmitting voice data from the IP host to the PBX. This allows for two-way communication between the two devices during the VoIP session.

A phase-locked loop (PLL) is a control system that generates a signal with a fixed relation to the phase of a reference signal. It not only responds to the frequency but also the phase of the input signals. The PLL compares the phase of the input signal with the phase of the reference signal and adjusts its output signal to minimize the phase difference. This makes it an effective control system for applications such as synchronization, frequency synthesis, and demodulation.

In a line route inspection of a protected distribution system (PDS), a close visual inspection is conducted to assess the condition of the system. This inspection must cover the entire surface of the system, including both visible and concealed areas. The term "total surface" encompasses all areas that need to be inspected, ensuring that no part of the system is overlooked. This comprehensive inspection helps identify any potential issues or damages in the PDS, allowing for timely repairs and maintenance to ensure its proper functioning.

When selecting storage batteries for the central office, the number of alternating current converters in the office is not a consideration. The other options mentioned in the question, such as office power requirements, amount of floor space available, future subscriber growth, and reserve time required, are all factors that need to be taken into account when selecting storage batteries. However, the number of alternating current converters does not directly affect the selection of storage batteries.

Extreme caution should be used when deleting an e-mail account because the wrong account could be deleted. This means that there is a risk of accidentally deleting the incorrect account, which can have serious consequences. It is important to double-check and verify the account before proceeding with the deletion process to avoid any irreversible mistakes.

In secure socket layer (SSL), before an encrypted transaction takes place, the web server gives its public key to the browser. The public key is used to encrypt the data sent from the browser, ensuring secure communication between the server and the client. The browser can then use the server's public key to encrypt the data before sending it, and the server can decrypt the data using its private key. This ensures that only the server can read the encrypted data, providing confidentiality and security to the transaction.

Wideband encryption is the type of encryption that is capable of handling data from various sources, including equipment such as computers. It is designed to accommodate a wide range of data transmission rates and can handle large volumes of data. This makes it suitable for securing data from different types of equipment, including computers, which generate and transmit large amounts of data. Narrowband encryption, on the other hand, is designed for lower data transmission rates and may not be able to handle the high volume of data generated by computers. Network and Bulk encryption are not specifically related to handling data from equipment such as computers.

Bulk encryption is the correct answer because it refers to the encryption method used to handle multiplexed lines that combine multiple single data and voice lines into one. This type of encryption is specifically designed to handle large volumes of data and is commonly used in scenarios where multiple lines need to be combined and secured efficiently.

Communications security (COMSEC) refers to the measures and controls implemented to prevent unauthorized individuals from accessing information and to guarantee the authenticity of the communication. Authenticity ensures that the information being transmitted is genuine and has not been tampered with or altered in any way. It verifies that the message originated from the expected source and has not been modified during transmission. Therefore, authenticity is the most appropriate term to describe the objective of communications security.

The TACLANE-Micro is capable of handling various types of networks such as asynchronous transfer mode (ATM), gigabit Ethernet, and fast Ethernet. However, it is not equipped to handle wireless networks.

The personal wireless communications system (PWCS) manager is responsible for maintaining the Asset Inventory Management System (AIMS) database, providing technical solutions, and performing maintenance tasks. However, conducting technical reviews is not mentioned as one of their duties.

The Secure Terminal Equipment (STE) is designed to communicate securely with various devices, including the Secure Telephone Unit (STU)-III, satellite telephone, and cellular telephone. However, it cannot communicate securely with a land mobile radio. This is because land mobile radios operate on different frequencies and use analog signals, which are not compatible with the encryption capabilities of the STE. Therefore, the STE cannot establish a secure communication channel with a land mobile radio.

The Secure Terminal Equipment (STE) Integrated Subscriber Digital Network (ISDN) setting supports a speed of 128 kilobits per second (Kbps).

The RED/BLACK concept refers to the practice of physically separating networks or systems to prevent unauthorized access and ensure security. Physical separation involves physically isolating networks or systems from each other, such as using separate physical cables or air gaps. Electrical separation refers to using techniques like firewalls or network segmentation to create logical boundaries between networks. This combination of physical and electrical separation helps to minimize the risk of unauthorized access and data breaches.

A gateway in Voice over Internet Protocol (VoIP) is an endpoint on the network that provides real-time, bi-directional communication between H.323 terminals and other switch circuit networks (SCN). It acts as a bridge between different networks, converting the protocols and formats to enable communication between different systems. Gateways are responsible for routing calls, managing call signaling, and handling the conversion of voice signals from analog to digital and vice versa. They play a crucial role in connecting VoIP systems with traditional telephony networks.

Forward error correction (FEC) is a system of error control for data transmission where the sender adds redundant data to its messages. This allows the receiver to detect and correct errors without the need to ask the sender for additional data. By including extra information in the transmitted data, FEC enables the receiver to reconstruct the original message even if some of the data is lost or corrupted during transmission. This technique is commonly used in communication systems to ensure reliable and error-free data transfer.

The two main options for storing electricity in an uninterruptible power supply (UPS) are batteries or a flywheel. Batteries are commonly used in UPS systems as they can store a large amount of energy and provide power for an extended period of time. On the other hand, a flywheel is a mechanical device that stores energy in the form of rotational motion. It spins at a high speed and can provide short-term power backup in case of a power outage. Both options offer a reliable solution for storing electricity in a UPS system.

Permanent markings can be completed by two different methods. This implies that there are two distinct ways to create permanent markings.

TACLANE encryption devices are designed to provide security services for Internet Protocol (IP) networks. This means that they are specifically designed to protect data transmitted over IP networks, ensuring confidentiality, data integrity, and authentication. These devices are not intended for serial networks, tactical networks, or point-to-point connections. Therefore, the correct answer is Internet Protocol networks.

Inmarsat provides coverage in areas that are separated by oceans. This means that their satellite network is designed to provide communication services specifically in oceanic regions.

The correct answer is "Mailbox rights." This exchange tab is used to add, delete, or modify user accounts that have special permissions to the account. By managing mailbox rights, administrators can control who has access to a particular mailbox and what actions they can perform on it. This includes granting or revoking permissions such as read, write, delete, or send as rights.

The correct answer is "Symmetric-secret key system and asymmetric-public key system." Cryptology refers to the study and practice of securing communication and information through encryption techniques. In a symmetric-secret key system, the same key is used for both encryption and decryption, meaning the sender and receiver must share the same secret key. In an asymmetric-public key system, different keys are used for encryption and decryption, with the public key used for encryption and the private key used for decryption. This allows for secure communication even if the public key is known to everyone.

The correct answer is SF 153, COMSEC Material Report. This form is used to accompany a communications security (COMSEC) package. It is specifically designed for reporting and tracking COMSEC material, ensuring proper accountability and security measures are in place during the transfer process. The SF 153 provides detailed information about the contents of the package, including the type and quantity of material being transferred, as well as the names and signatures of the individuals involved in the transfer. This form is crucial in maintaining the integrity and confidentiality of COMSEC material.

The Secure Terminal Equipment (STE) consists of a host terminal and removable security core. This means that the STE is made up of two main components: the host terminal, which is the main interface for the user, and the removable security core, which is responsible for ensuring the security of the terminal. The host terminal allows the user to interact with the STE, while the removable security core can be detached and replaced as needed for enhanced security measures.

The BLACK lines in the RED/BLACK concept carry encrypted traffic that can be classified or unclassified. This means that the information being transmitted through these lines is protected and can contain sensitive or non-sensitive data.

The Asset Inventory Management System (AIMS) serves as the focal point for suggested upgrades for personal wireless communications systems (PWCS) assets. This system is designed to keep track of all the assets within the PWCS, including their current status, location, and condition. By using AIMS, organizations can easily identify which assets are due for upgrades or replacements, ensuring that the PWCS remains up-to-date and efficient. Integrated Maintenance Data System, Work Order Management System, and Remedy are not specifically designed for managing assets and therefore are not the correct answer.

ISDN uses the H.320 protocol to transmit video teleconferencing (VTC) data. H.320 is a standard protocol for transmitting audio, video, and data over digital networks, specifically designed for videoconferencing. It defines the necessary specifications for video coding, audio coding, multiplexing, and synchronization of the transmitted data. H.320 is widely used in ISDN networks for video teleconferencing applications.

The Transient Electromagnetic Pulse Emanation Standard (TEMPEST) program in the Air Force is called Emission security. This refers to the measures taken to protect against the unintentional release of compromising emanations from electronic equipment. These emanations can potentially be intercepted and exploited by adversaries to gather sensitive information. Emission security focuses on preventing these unintentional emissions and ensuring that electronic equipment meets specific standards to minimize the risk of information leakage.

The correct answer is Protected Distribution Systems (PDS). PDS events such as alarms, technical inspections, and other pertinent information are recorded in the log of the Protected Distribution Systems.

Mailbox security is the correct answer because it refers to the tab used to add, delete, or modify user accounts that can receive as or send as for the account. This tab allows administrators to manage the security settings for a mailbox, including granting or revoking permissions for other users to access and send emails on behalf of the mailbox owner.

Physical security refers to measures taken to protect physical assets, such as buildings, equipment, and personnel, from unauthorized access, damage, or theft. In the context of communications security (COMSEC), physical security plays a crucial role in safeguarding priority resources of the US Air Force from hostile acts. It involves implementing physical barriers, access controls, surveillance systems, and other measures to deter, detect, and defeat any attempts to compromise the security of these resources. This ensures the integrity and confidentiality of communications and prevents unauthorized individuals from gaining access to sensitive information or disrupting critical operations.

The KIV-7 does not support the RS-422 electrical standards.

The correct answer is Air Force Instruction (AFI) 17–130, Cybersecurity Program Management. This publication governs the format of Alias names for e-mail accounts in the Air Force.

The correct answer is "Configuration item" because configuration items are specific elements or components of a system that require the use of the latest technical order (TO) information listed. The TO information provides instructions and guidelines for the proper configuration and maintenance of these items. Therefore, staying updated with the latest TO information is crucial for managing and maintaining configuration items effectively.

When using a Secure Terminal Equipment (STE), the digital signal is encrypted. STE is a device used for secure communication, and it encrypts the digital signal to ensure the confidentiality and integrity of the transmitted data. Encrypting the digital signal makes it unreadable to unauthorized individuals, protecting sensitive information from being intercepted or tampered with during transmission.

Protected distribution systems (PDS) require scheduled inspections to ensure the integrity and security of the system. These inspections involve checking the line route or visually inspecting the distribution system to identify any potential vulnerabilities or breaches. By regularly inspecting the line route or visually assessing the system, any unauthorized access points, tampering, or damage can be detected and addressed promptly. This helps to maintain the confidentiality, availability, and reliability of the PDS, ensuring that sensitive information remains protected.