Information Systems Technician Second Class (IT2) Advancement Practice Exam

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