IT Communications Progress Test 1 Practice

These questions are part of the practice quiz. Start practicing

• What is a common limitation of RIPv2 compared with OSPF?
• Which organization is responsible for SIPRNET?
• Which region corresponds to NCTS BAHRAIN?
• Pier connectivity provides data, voice, and video communications over a T1 line.
• Which of the following lists represents the components in the unclassified email path from satellite to shore?
• Which statement about velocity of radio waves is supported by the material?
• Which statement best describes long-range communications beyond the horizon?
• In the unclassified email path, which component is included?
• Electrical safety shoes do not have any exposed metal parts.
• What is the default subnet mask for a Class C IPv4 address?
• Shipboard LANs that are part of the end-to-end path are made up of Network and ________.
• Which IPsec component provides encryption for VPN traffic and can also provide integrity?
• Which service provides a web-based collaboration platform used to share information globally?
• What serves as a secure application gateway for Navy networks?
• What serves as an intermediate content server for web browsing?
• In the ship's network, what are the network components for each enclave?
• What problems arise if DNS is misconfigured and clients can't resolve domain names?
• IT End-to-End communications by ______.
• Which statement best describes the information traceroute yields?
• What does the term 'Cycle' describe?
• Laser burns can cause skin to age.
• Which Ethernet standard is typically used for enterprise copper cabling and supports up to 1 Gbps?
• What is the fourth layer in the atmosphere?
• HERO hazards include transmitter/antenna installations that generate electromagnetic radiation near ordnance above established safety levels.
• Which term best describes one complete movement of a wave?
• Which of the following best describes the difference between an IDS and an IPS?
• Which definition matches TBMC?
• Which frequency ranges are mentioned as used by SATCOM operations?
• Which organization would you contact for KEYMAT matters?
• What is SNMP used for in network management?
• What typical network tool uses ICMP messages to test reachability?
• Which definition matches CAS?
• NTCCS-A provides what type of support?
• Which statement best describes the pier connectivity system described in the material?
• What is the typical sequence of a DHCP DORA process?
• Which term describes the rate at which cycles occur in one second?
• Which IPsec component provides encryption for VPN traffic and can also provide integrity?
• Which statement best describes the role of a digital certificate in TLS?
• Do weather conditions, geographic location, and time of day influence radio wave propagation?
• What is the second layer in the atmosphere?
• Shore facilities support end-to-end communications by providing what?
• To experience an electric shock, what is required?
• What is the main benefit of using virtualization in network design?
• What is the five layer in the atmosphere?
• RF Communications systems that support end-to-end communications include ______ and ______.
• Which device serves as the secure boundary for Navy networks?
• What role does BGP play in the Internet?
• Which organization is responsible for KEYMAT?
• Why is Multi-Factor Authentication important for network access?
• Nighttime conditions typically cause what level of interference?
• NCTCS SAN DEIGEO, NCTAMS PAC are listed in which region?
• Shore Facilities provide ______ in support of End-to-end communications.
• What is the maximum hop count supported by RIPv2?
• Name two common VPN technologies.
• Which protocol is commonly used to carry multiple VLANs across a single physical link?
• What is the length and typical representation format of a standard MAC address?
• How many usable host addresses are available in a /26 subnet?
• What does the term 'Frequency' describe?
• Given 192.168.1.0/24, subnet into 4 equal subnets. Provide the new subnet mask and first subnet range.
• The typical network architecture of a ship consists of: ______.
• Name two common 802.11 wireless standards and their typical maximum data rates.
• In the ship's network architecture, which component decrypts the signal and routes it to the appropriate network?
• What is the purpose of a digital certificate in TLS?
• How does NAT preserve IPv4 address space, and what is a typical limitation for end-to-end connectivity?
• Why can radio waves with lower energy be used at night?
• What is the purpose of an Acceptable Use Policy (AUP) in IT security?
• What is the main difference between static routing and dynamic routing?
• JSIPS handles which type of data?
• What is the primary purpose of Quality of Service (QoS) in a network?
• Grounding must be checked before entering electrical areas.
• In a LAN, what is the primary role of a default gateway?
• In practice, how should IPv6 be deployed to address address scarcity while preserving IPv4 functionality?
• Clear weather tends to cause what level of interference?
• What is the typical purpose of a fiber optic cable in enterprise networks?
• What is the purpose of WPA3 in Wi-Fi security?
• The pier connectivity transit link provides 24-hour data, voice, and video communications using T1 lines when ships are in port.
• What are the four factors that determine the severity of an electric shock?
• Which tool is typically used to resolve a domain name to an IP address?
• What is VLSM and why is it used?
• Which layer of the OSI model is responsible for end-to-end flow control and error detection?
• Reflection of radio waves occurs when waves bounce off a surface due to what?
• Which region is associated with NCTS NAPLES?
• Which definition matches NTCCS-A?
• JSIPS data type?
• What best describes C4I in the navy?
• Which definition matches JSIPS?
• Which statement best compares TCP and UDP regarding reliability and connection state?
• What is the purpose of redundancy in network design (for example, dual links or active-passive setups)?
• What provides a web environment in which members around the globe are able to share information?
• SATCOM transmissions are carried in which frequency ranges?
• NAT can affect peer-to-peer connections by causing which issue?
• Which routing protocol is a link-state solution that uses a cost metric based on bandwidth and scales well in large networks?
• What does the term 'frequency' describe in a wave?
• In NAT, which action changes the destination IP address of a packet?
• The end-to-end communications path is made up of which key segments?
• Which management protocol is commonly used to query device status and performance in a network?
• Which of the following is a transit link used by Navy RF communications?
• Name three common DNS record types and their purpose.
• Inclement weather typically causes what effect on radio wave propagation?
• What does the term 'Propagation' mean?
• When troubleshooting a connectivity issue, which three commands would you typically use first?
• What effect does daytime have on radio wave propagation?
• Which statement is true about electrical and electronic safety precautions?
• Which definition matches GCCS-M?
• Which statement best describes the 3M capability associated with NTCCS-A?
• Which organization is responsible for satellite communications?
• A verbal warning should be passed over the 1MC before beginning work aloft and every how long thereafter?
• Applications in the UNCLAS enclave that typically use a lot of bandwidth include what ?
• If you subnet a /24 network into 4 equal subnets, how many bits are borrowed?
• Which VPN technology is commonly used to secure remote access with a client that negotiates a tunnel at the network layer using IPsec?
• Line-of-sight communications occur when platforms are within direct view of each other or within 30 nautical miles.
• Which factor does NOT influence radio wave propagation?
• In a QoS-enabled network for voice over IP, which traffic should be given the highest priority?
• Which statement best describes the WPA3 improvement over WPA2?
• In the Atlantic Region, which entity is listed?
• All radio waves travel at the same velocity.
• In the Pacific Region, which entities are listed?
• In a propagating wave, the term for the distance the wave travels from one point to the same point in the next cycle is called what?
• Which of the following is a phase in an incident response plan?
• Long-range communications are capable of ______.
• What is one efficiency advantage of SATCOM transit links?
• What is the first layer in the atmosphere?
• Long-range communications are used when platforms are beyond direct line of sight or beyond 30 nautical miles.
• What does velocity describe in the context of radio waves?
• What is a 'default route' and when would you use it?
• In the Europe Region, which entity is listed?
• Which layer is responsible for routing and forwarding packets between networks?
• What effect can geographic location have on radio wave propagation?
• What translates domain names into IP addresses?
• Reflects occur due to boundary between media causing impedance mismatch. Which option best captures this?
• What information does traceroute provide?
• Which statement best describes the maximum data rate of 802.11ac/802.11ax standards?
• What metric does OSPF primarily use to determine best paths?
• Electrical safety precautions require sailors to follow proper procedures.
• Which of the following best describes the role of the antenna in the ship's network architecture?
• What is the function of DNS in a network?
• Bandwidth in afloat environments may be limited because there are more users than available resources. Which of the following correctly lists factors that affect how much bandwidth is available?
• Which standard defines VLAN tagging for trunk links to carry multiple VLANs over a single physical link?
• Which system resolves hostnames to IP addresses?
• What term is the distance between adjacent crests of a wave?
• What is the primary advantage of IPv6 over IPv4?
• In a typical 192.168.1.0/24 LAN, what address is commonly used as the default gateway?
• In NAT, which action changes the source IP address of a packet?
• Which definition matches NITES?
• Which organization is responsible for unclassified e-mail?
• What is the purpose of a DHCP server in a network?
• Waves with longer wavelengths have more energy and complete more cycles in one second.
• What is the difference between SNAT and DNAT in NAT?
• Which of the following is a recommended practice when performing maintenance on electrical systems?
• What is the purpose of the Spanning Tree Protocol in switched networks?
• LOS communications are most commonly used for which type of transmissions?
• Tag-out procedures apply to preventing operation of equipment in which scenarios?
• Radio waves with _____ energy can be used during the night because there is _____.
• TBMC provides real-time information that allows naval leadership to make critical strategic and tactical decisions regarding the placement and movement of aerial forces.
• NCTAMS LANT belongs to which region?
• What does SLAAC stand for in IPv6 addressing?
• Communications Facilities onshore typically include ________ and ________.
• Which protocol provides best-effort delivery without guaranteed ordering and duplicates removed?
• Which of the following is NOT a way to avoid electric shock?
• Which set of factors is commonly cited as influencing radio wave propagation?
• Which statement correctly contrasts symmetric and asymmetric encryption?
• Which is the fourth layer of the atmosphere as listed?
• The purpose of the Tag-out System is to provide procedures for which of the following?
• In the Indian Ocean Region, which entity is listed?
• Which statement best describes the difference between a stateful firewall and a stateless firewall?
• Shipboard networks typically include, __________, and __________.
• Which statement about onshore communications facilities is incorrect?
• In a HERO condition, which of the following is a recommended safety precaution?
• What term describes the distance a wave travels during one complete cycle between identical points in successive cycles?
• NTCCS-A provides what type of capability?
• What is SDN and how does it differ from traditional networks?
• Name a key difference between public cloud and on-premises network design considerations.
• One complete occurrence of a radio wave is called__________________.
• Radio waves are energy waves that are produced by communications equipment then out into the atmosphere.
• What is the primary purpose of a VLAN in a switched network?
• What is the purpose of ARP in IPv4 networks?
• One strategy to mitigate IPv4 address scarcity in an enterprise is to
• Strategies used by the NAVY to manage the use of limited Bandwidth include what:
• Which is the third layer of the atmosphere as listed?
• The statement 'Communications facilities onshore extend end to end communications capabilities because they control communications satellites and move them until they are positioned over any platform requiring instant communications' is true or false?
• Shipboard LANs that are part of the end-to-end path are made up of ____________ and ADNS.
• What are the main phases of an incident response plan?
• Which action helps prevent accidental contact with live parts by ensuring enclosures remain closed?
• Propagation refers to a radio waves
• Which is the second layer of the atmosphere as listed?
• Which of the following best describes the purpose of redundancy in network design?
• Which network enclave is specifically listed as part of shipboard networks?
• Which DNS record type is used to designate the mail exchange server for a domain?
• What is the third layer in the atmosphere?
• What factor influences wireless roaming performance between access points?
• In IPv6 networks, what is the role of DHCPv6 when SLAAC is not used?
• Which organization is responsible for the Automated Digital Network System (ADNS)?
• Which statement is true about radio wave propagation?
• CT3 Harmon is working in radio and just formatted a TS e-mail. The email will travel through the SCI enclave, and then be transmitted off ship. Select the graphic showing the emails path through the network architecture of a ship.
• Which two methods are commonly used by IPv6 to assign addresses to hosts?