Information Systems Technician Second Class (IT2) Advancement Practice Exam

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• Messages will be prepared in one of how many formats for transmission via the allied telecommunications record system?
• What is the role of the Registration Authority (RA) in PKI?
• The field associated with energy stored in the antenna is which?
• Which effect explains the change in perceived frequency when the source moves relative to the observer?
• The time between two successive crests is called what?
• In the mid 1800s, literal (letter-for-letter) ciphers were primarily used by which group?
• What does FISMA require and how does RMF relate?
• Which OSI layer manages sessions and is associated with APIs and RPCs?
• A substance through which you can see clearly is called?
• A sound with a frequency of 12,000 hertz would be categorized as which type?
• Which term describes sounds with frequencies below 15 hertz?
• The Earth’s atmosphere is divided into three main layers: Troposphere, Stratosphere, and which other layer?
• What property describes the ability of a strained object to return to its original shape after deformation?
• Which statement accurately describes DAC, MAC, and RBAC?
• Which sequence represents the standard problem-solving model used for network issues?
• Which classification designator will be used in format line 2 and 4 for all Code Dress messages?
• Which of the following is NOT a primary color of light?
• A continuous series of waves having the same amplitude and wavelength
• Range of compression wave frequencies to which the human ear is sensitive is called what?
• Which phenomenon results from the superposition of waves causing the overall wave to increase in amplitude?
• The large family of waves including radio, visible light, and gamma rays is known as what?
• In differentiating IDS and IPS, which statement is correct?
• Which basic characteristic refers to the sound's tone color or timbre?
• What unit is used to express the distance of a wave's cycle?
• A signal at 500 MHz falls in which frequency range?
• The Zimmermann Telegram is associated with which intelligence discipline?
• The SCR-270 radar detected incoming Japanese planes during which 1941 attack?
• The term used for sounds that can be perceived by humans is which?
• What is the vehicle through which the waves travel from one point to the next?
• Which type of message contains the originator and addressee designations in plain language external to the text?
• Which combination of properties would generally increase the speed of sound in a medium?
• Which OSI layer is responsible for end-to-end communication and port multiplexing?
• JN-25 was the Japanese Navy's general purpose code. Which description matches JN-25?
• How many times in one second can a light beam circle the Earth?
• Which color is complementary to green in additive color mixing?
• A signal at 1 MHz falls in which frequency range?
• Which statement best describes plain dress messages?
• The quantity that refers to the number of occurrences that take place in one second is called what?
• Which OSI layer handles data formatting and encryption/compression, such as TLS, SSL, and JPEG?
• A wave bending around obstacles or through openings is described by which term?
• List the six steps of the incident response lifecycle in order.
• Which OSI layer provides user-facing services, including HTTP, DNS, and SMTP?
• Which term describes sounds with frequencies above 10,000 hertz?
• Which describes a Type 1 hypervisor?
• What is the position called that a particle of matter would have if it were not disturbed by wave motion?
• A narrow volume of light is called?
• What is the term used for a message destined for more than one addressee?
• Water waves are known as what type of waves because the motion of the water is up and down, or at angles to the direction in which the waves are traveling?
• Wave property that give a relative indication of the amount of energy the wave transmits
• What are SPF, DKIM, and DMARC used for in email security?
• What is the time required for one complete vibratory cycle called?
• What does Quality of Service (QoS) primarily do in a network?
• The usable radio frequency range extends from 10 kHz to which upper limit?
• A signal at 50 kHz falls in which frequency range?
• What are two basic physical properties that govern the velocity of sound through the medium?
• Which description correctly outlines the DHCP four-way process (Discover, Offer, Request, Acknowledgement)?
• Which term describes the ability to ensure a nation's continued existence?
• Which statement best describes permissions between NTFS and ext4?
• What is the term for the time required to complete one full cycle of a radio wave?
• In abbreviated plain dress messages, which format line is additionally mandatory beyond 2,4,11,12,13,15?
• What is a typical backup retention policy described as rotating daily, weekly, and monthly backups?
• Which incident response activity best fits the 'Lessons Learned' phase?
• Which practice best mitigates SQL injection attacks?
• The speed at which wave crests propagate through a medium is called what?
• Which description best characterizes a hot standby system that can fail over instantly?
• How many basic elements for transmission and reception of sound must be present before a sound can be produced?
• Which color model uses Red, Green, and Blue as the primaries?
• Which elements are commonly considered core components of a Public Key Infrastructure (PKI)?
• What is a primary security benefit of offline backups in ransomware mitigation?
• Which field studies sound, including its production, transmission, and effects?
• The modern theory states that light energy is carried by discrete packets called what?
• Term means movement through a medium
• A signal at 10 GHz falls in which frequency range?
• Requests for routing indicator changes or deletions must be submitted through appropriate channels as outlined in the general instructions of which series?
• How many miles per second does light travel?
• Which term best describes the level of energy carried by a sound wave?
• Which VPN type is typically used for site-to-site connections at the network layer?
• In Code Dress messages, where are the originator and addressee designations disclosed?
• Which storage type provides high-speed block-level storage accessible to servers in data centers?
• Explain NAT vs PAT and provide a scenario for each.
• JN-25 was used by which navy?
• The header of all Code Dress messages will be in the clear. Code Dress messages routed to regional defense organizations or other nations must contain a transmission release code in which format lines?
• Which formula best defines risk in information security?
• Which statement is true about energy storage in an antenna?
• Which two techniques are commonly used to implement QoS?
• Which command displays active connections and listening ports on a Windows system?
• What is the smallest unit of radiant energy that makes up light waves and radio waves?
• What are the tiny packets of electromagnetic energy that constitute light in current theory called?
• Unit of measurement wavelengths are expressed in
• Which statement best describes the difference between symmetric and asymmetric encryption and names a typical algorithm for each?
• Which sequence accurately orders the RMF steps from start to finish?
• What is the correct order of a certificate trust chain from end-entity to the trusted root CA?
• The angle between the reflected wave and the normal is called what?
• Which atmospheric layer lies above the Stratosphere?
• What term defines a frequency that is an integer multiple of a smaller basic frequency?
• Which option represents the primary colors of light?
• Which transport-layer protocols provide end-to-end communication and port multiplexing?
• Special handling designation messages are identified by an oblique signal, a slash mark, and which element repeated after the five related security characters?
• In routing messages, which series publication governs the procedures and any national or regional defense organization supplements that apply?
• Which year did Ole Roemer discover that light travels approximately 186,000 miles per second in space?
• Within the allied telecommunications record system special handling designation messages will be identified an oblique signal, slash mark and use of the appropriate assigned designator repeated how many times following the 5 related security characters appearing in format line 4?
• Which statement correctly describes hot standby?
• Which Windows command is used to verify if a network host is reachable?
• What term describes a disturbance such as sound or light that moves through a medium or space?
• Name a primary mitigation for Phishing attacks.
• Which field is primarily associated with the radiation of energy from an antenna?
• What is the HF frequency range?
• What is the UHF frequency range?
• Which type of message discloses the originator and all action or information addresse designations only within the encrypted text?
• A device used to radiate electromagnetic energy into space or to collect this energy from space?
• Change in frequency or pitch when a sound source moves toward or away from the listener is known as what?
• Why is centralized logging important in enterprise IT, and which two log types are commonly used?
• Which statement best describes the relationship between the OSI model and the TCP/IP model?
• Bending of the wave path when the waves meet an obstruction is called what?
• What is the energy wave generated by a transmitter commonly called?
• Which term designates the entire range of electromagnetic waves arranged in order of their frequencies?
• A sound with a frequency of 10 hertz would be categorized as which type?
• What is the purpose of regulatory domains and channel planning in Wi-Fi?
• The speed of a radio wave in free space equals the speed of light, approximately how many miles per second?
• What is the unit used to measure the frequency of a wave?
• Which wave property relates to the height of the wave from trough to crest?
• What happens during wireless roaming?
• The frequency of a sound is referred to as what?
• Admiral Yamamoto was a senior officer in which branch?
• The sensation the intensity of the sound wave produces on the ear is called what?
• A conductor or a set of conductors used either to radiate electromagnetic energy into space or to collect this energy from space?
• The SCR-270 radar that detected the incoming Japanese planes in 1941 was located at Opana Point in which state?
• At the onset of World War II, which nation was said to have a world-spanning intelligence network?
• Wireless communications were first introduced to the battlefield in which conflict?
• What is the primary purpose of defense in depth and segmentation in DoD networks?
• The number of cycles of a sine wave completed in one second is known as what?
• What term describes the rate at which the disturbance travels through a medium?
• What do you call the reflection of a sound wave that returns after striking a distant surface?
• Which OSI layer handles frames and MAC addressing, typically with switches?
• What is the correct characterization of stateful versus stateless firewalls?
• The Navy sets an upper limit for sonic frequencies at 10,000 hertz and a lower limit at what value?
• Which term refers to the line representing the undisturbed position of particles when no wave is present?
• For Code Dress messages routed to regional defense organizations or other nations, the transmission release code must appear in which format lines?
• Name three common DNS record types and their purposes.
• A signal at 250 GHz falls in which frequency range?
• Compare OSPF and RIP as interior routing protocols, focusing on convergence and scalability.
• Isoroku Yamamoto's role was in which navy?
• In Code Dress messages, which format lines carry the classification designator?
• A wave directed toward the surface of a mirror is called what?
• A large volume of light is called?
• Describe the authentication differences between WPA2-Enterprise and WPA2-Personal.
• What is the purpose of VLAN tagging and which standard defines 802.1Q?
• Distance in space occupied by one cycle of a radio wave at any given instant is called what?
• An antenna with electrical length equal to half the wavelength is called what?
• Which physical security control is best described as detecting tampering with IT equipment?
• The SCR-270 radar at Opana Point contributed to warning during which 1941 event?
• What term describes a recurring disturbance advancing through space with or without a physical medium?
• Which acoustic effect is caused by sound waves reflecting within a room, creating a lingering sound after the source stops?
• Which statement best describes a Star topology and its advantage?
• What unit is used to measure the wavelength of light?
• What is the purpose of channel planning in a Wi‑Fi network?
• Light is a form of which type of energy?
• Which term best describes a recurring disturbance that advances through space and can occur with or without a traditional medium?
• Sounds can be broadly classified into which two general groups?
• Sounds that are capable of being heard by the human ear are referred to as what?
• Which format lines are not used in a Code Dress message?
• Which diagnostic command is used to perform DNS lookups?
• What is the MF frequency range?
• Which Linux command is commonly used to view or configure network interfaces?
• What is the VLF frequency range?
• Which detection method is commonly associated with signature-based detection in network security monitoring?
• Which statement correctly describes the difference between standard and extended ACLs?
• The constant approximately 186,000 miles per second is a property of light known as what?
• The United States declared war on Germany in 1917. Which year is correct?
• The measure of the sound energy of a wave is called what?
• In strangler mitigation, which format line contains the SSN used for comparison with the end-of-message validation number?
• Opana Point is located in which U.S. state?
• Which IPv6 address block is intended for private use within an organization?
• Which statement correctly describes the main addressing differences between IPv4 and IPv6?
• Which communication facility is responsible for selecting the correct routing indicator for the comm facility serving the addressee?
• Which of the following is not a recognized message format for allied telecommunications record system messages?
• What term describes the space occupied by one complete cycle of a radio wave at any given moment?
• Which IPv6 address type is routable on the Internet?
• What is a common mitigation for ransomware threats?
• What is the distance between consecutive crests of a wave at a given instant?
• Sound has three basic characteristics, pitch, intensity and what?
• Which nation had a world-spanning intelligence network at the start of World War II?
• What is the purpose of DISA STIGs and how are they used?
• What term refers to the mass per unit volume of a substance?
• Smallest unit of radiant energy that makes up light waves and radio waves?
• In plain dress messages, which format line, besides 2,4,5,6,7,8,11,12,13,15, is mandatory?
• Which type of messages received by nodes with a suspected strangler attached are accepted and processed to the called station?
• Which is identified as a prerequisite to ensuring the continued existence of the United States?
• Which term describes a standby system that is not powered until failover is required?
• The name of the scientist associated with early measurements of light speed in space?
• Which IPv6 prefix is used for link-local addresses?
• Which Linux command is used for secure remote login?
• In additive color mixing, which color is complementary to blue?
• Which of the following is NOT a private IPv4 address range?
• What is considered to be the greatest achievement of COMINT during World War I?
• What is the science of sound called?
• Which term describes the most complex type of sound wave that can be produced?
• What is a key IPv6 security consideration that differs from IPv4?
• What term is used for any disturbance that causes undesired change or degradation of a wave?
• Which two basic fields are associated with every antenna?
• Substances that allow light to pass but diffuse it so objects cannot be seen clearly are called?
• Which stations will not assign collective routing indicators to originated messages unless specifically authorized?
• In the shared responsibility model for cloud computing, which task is the customer responsible for?
• To inhibit strangler messages, the node checks and compares the SSN appearing in format line 2 against the corresponding end-of-messages validation number appearing in which format line?
• Which frequency range defines the LF band?
• In empty rooms or confined spaces, multiple reflections can cause what effect?
• Which color is complementary to red in additive color mixing?
• Which Linux command provides real-time view of system processes and resource usage?
• Which VPN type is easier to deploy for remote access via a web browser?
• In Code Dress messaging, which portion must be transmitted in the clear?
• Which of the following is a physical security control used to restrict access to IT equipment?
• Which two core IT skills are critical for IT2 advancement?
• If a fundamental frequency is f, which of these would be considered a harmonic component?
• The event associated with radar detection at Opana Point occurred in which year?
• Whose plans for a routine inspection of his forces were thwarted by the United States?
• ACP-117 is best described as which of the following?
• Which of the following correctly pairs each CIA triad component with a concrete control?
• Which type of message trails or is attached to a preceding message?
• In feet per second, what is the speed of sound in air at 32 degrees Fahrenheit?
• Given a network that requires at most 60 usable hosts per subnet, which CIDR notation provides the smallest subnet mask?
• Which statement correctly describes standard versus extended ACLs on a router?
• JN-25 served as which type of code?
• Which backup type is most commonly used to minimize restore time and is performed after a full backup?
• Which format line will be used in Code Dress messages when the called station is required to deliver or refile the messages without decrypting it?
• A signal at 6 GHz falls in which frequency range?
• Which incident response option reflects a comprehensive, all-inclusive step within the lifecycle?
• What is the SHF frequency range?
• What is the VHF frequency range?
• What is the EHF frequency range?
• What is the purpose of the chain of custody in digital forensics?
• A multiple address message is one destined for how many addressees?
• The mid-1800s use of literal ciphers was primarily by which group?