Information Systems Technician Second Class (IT2) Advancement Practice Exam

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