NAB Domain 4 Communication and Network Security Practice Test

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• In network security, what does "zero trust" imply?
• What network attack is characterized by sending an ICMP echo request to a network broadcast address, causing all nodes to respond to a spoofed victim?
• In Code-Division Multiple Access (CDMA), how is data for every call transmitted?
• What is the primary function of a gateway device in a network?
• What would a Web Application Firewall typically inspect and filter?
• What is the role of a driver in a computer system?
• Which of the following best describes ransomware?
• What is a common method of securing emails?
• What does the principle of least privilege entail in network security?
• What does SIEM stand for in a security context?
• What concept focuses on optimizing network services by decoupling functions from hardware implementations?
• What is malware primarily designed to do?
• What is the main purpose of an access control list (ACL) in network security?
• Which OSI layer provides the services to the applications that are running on a client and server?
• Which type of system would utilize intrusion detection technology?
• What type of attack involves an attacker inserting themselves into communications between two parties?
• What is the term used to describe the acknowledgment of a signal being received in networking?
• What is phishing, and what does it aim to achieve?
• What does FDDI stand for in networking standards?
• Which statement best describes the purpose of Zero Trust architecture?
• What protocol provides command-line access from one host to another in a network?
• In network security, what does 'zero trust' imply?
• Which component is crucial for providing Quality of Service (QoS) in a network?
• What is a primary characteristic of IPv6?
• What protocol is used to determine the availability of a service or host in an IP network?
• What is a common method used to enhance data security?
• What model specifies four layers of functionality including the link layer, internet layer, transport layer, and application layer?
• Which protocol is noted for combining standard and proprietary protocols to enhance functionality?
• What OSI layer corresponds to the Transport Layer?
• What does the acronym IDS represent?
• What role does the Internet Protocol (IPv4) serve?
• What layer allows control of network functionality and programmability directly to devices?
• What is a key benefit of using PKI in an organization?
• What can be a consequence of a successful ransomware attack?
• Which protocol is most commonly used for establishing secure connections for remote command line access?
• What is one of the main goals of conducting awareness training?
• Which type of attack exploits the reassembly of fragmented IP packets using the fragment offset field?
• What defines a botnet?
• What is one of the goals of a kill chain model in cybersecurity?
• What is the main function of an Intrusion Prevention System (IPS)?
• What is the general purpose of intrusion prevention systems (IPS)?
• In the context of networking, what does the term "WAN" stand for?
• Why is awareness training important for employees in an organization?
• Which protocol is used to manage and collect information about devices on IP networks?
• What is a common way to secure wireless networks?
• In network security, what does the term "attack vector" refer to?
• Ports in the range of 1024-49151 are generally referred to as what?
• What is the primary purpose of a proxy server in network communication?
• What technique is used in VoIP communications to mask the effect of lost packets?
• What does an Intrusion Detection System (IDS) do?
• What does Multi-Factor Authentication (MFA) require for access?
• What is an "exploit" in computer security?
• What is the function of network segmentation in security?
• Which layer of the OSI model is called the Session Layer?
• How does an effective incident response plan impact an organization?
• What distinguishes Software-Defined Networking from traditional networking approaches?
• What is the significance of using firewalls in network security?
• What is the correct designation for the Presentation Layer in the OSI model?
• What networking strategy involves breaking LANs into small, highly localized zones?
• What is the name of Layer 4 in the OSI model?
• Which of the following represents the most essential unit of data in digital communication?
• What does the acronym DNS stand for in networking?
• Which framework is commonly used for risk management in network security?
• What is Fibre Channel over Ethernet (FCoE) characterized as?
• Which of the following technologies is primarily used for short-range wireless communication?
• What defines a Content Distribution Network (CDN)?
• What range of ports are typically associated with non-system applications?
• Which protocol is typically used to secure HTTP communications?
• Which protocol is the dominant layer 3 protocol in the OSI model?
• Which element is crucial for creating a robust incident response plan?
• What function does Secure Socket Layer (SSL) serve in communications?
• What is the main purpose of a digital certificate?
• What is social engineering in the context of cybersecurity?
• Which layer of the OSI model does an Application Programming Interface (API) typically interact with?
• What is firmware in the context of computer hardware?
• Which of the following can be a consequence of a data breach?
• What is a common effect of inadequate employee cybersecurity training?
• What is the role of a cybersecurity framework?
• Which feature of a Trusted Platform Module (TPM) is vital for maintaining system security?
• What is the role of intrusion prevention systems (IPS) in network security?
• What is the main function of Virtual Private Networks (VPNs)?
• What does the term "network security" refer to?
• What is a well-known example of wireless broadband that can deliver data rates of more than 30 Mbps?
• What aspect of networking does Wi-Fi primarily pertain to?
• What purpose does the Protocol Internet Control Message serve in networks?
• Which interior gateway routing protocol is based on the shortest path first or link-state algorithm?
• What does a Web Application Firewall (WAF) primarily monitor and filter?
• In CDMA, what is the primary technique utilized to encode and separate calls?
• What does the acronym VPN stand for, and what is its primary use?
• How does a Denial-of-Service (DoS) attack work?
• What is the primary function of intrusion detection systems (IDS)?
• What does LDAP stand for in network security protocols?
• Which device is used for modulation and demodulation of binary data into analog signals?
• What is the OSI layer number for the Physical Layer?
• What does the abbreviation APT stand for in the context of network security?
• Which protocol is part of the OSI Layer for application layer communications?
• What does an Application Programming Interface (API) allow applications to do over a network?
• What is a significant challenge when using converged protocols in enterprise-wide security?
• What type of network utilizes radio, light, or other means for physical layer interconnections without being confined to wires or cables?
• What is the term used to describe data flowing from an organization to external destinations?
• What does a Circuit-Switched Network establish between endpoints?
• Which sublayer is part of the data link layer in the OSI model?
• Which aspect of PKI is essential for its functionality?
• Which protocol provides secure file transfer over the Internet?
• How does data loss prevention (DLP) operate?
• What type of data representation consists of either a zero or one at layer 1 of the OSI model?
• Which network service helps in determining the "health" of networking devices?
• What is the purpose of a Software-Defined Wide Area Network (SD-WAN)?
• What type of data representation is defined at Layer 3 of the OSI 7-Layer Model?
• What type of network typically involves dedicated channels for communication during each transmission?
• What type of network is characterized by being divided into cells, each served by a base station?
• Which layer of the OSI model does the Logical Link Control operate?
• What is defined as the amount of information transmitted over a period of time in networking?
• What does the implementation of anti-virus software help prevent?
• What term describes an attacker masquerading as two communicating parties?
• What is the key difference between symmetric and asymmetric encryption?
• What should a threat model ideally include?
• What is the essence of social engineering in network security?
• What does the principle of least privilege mean in cybersecurity?
• Which specification is Wi-Fi associated with for creating wireless LANs?
• Which of the following is a characteristic of Advanced Persistent Threats (APTs)?
• Which technology enables network management functions to be controlled by software by abstracting the control and management planes?
• What does vulnerability assessment entail?
• What is the function of a firewall in a network security environment?
• Bluetooth technology is primarily used for establishing which type of network?
• Which OSI layer represents the Application Layer?
• Which of the following is a key component of the zero trust architecture?
• Which OSI layer is responsible for establishing, managing, and terminating sessions?
• Which method allows stations to detect collisions and attempt retransmission?
• What is the purpose of authentication tokens in network security?
• What device aggregates different network segments at layer 2 of the OSI model?
• Which protocol is responsible for managing multicasting groups on a network?
• What describes the Internet of Things (IoT)?
• Which protocol is commonly used to dynamically assign IP addresses to network devices?
• What represents data at Layer 4 of the OSI model and is often isolated by firewalls or routers?
• How does ransomware typically operate?
• What is the primary goal of incident response in cybersecurity?
• Which protocol is the main transport protocol in the internet suite, giving reliable, connection-oriented communication?
• What aspect of TCP/IP is primarily responsible for ensuring reliable transmission between hosts?
• What technology allows network administrators to create software-based LAN segments based on factors other than physical location?
• What is the purpose of a Remote Procedure Call (RPC)?
• What best describes an Internet of Things device?
• What is the maximum transmission distance specified for FDDI?
• What does a MAC address refer to in networking?
• What type of devices enforce administrative security policies by filtering incoming traffic?
• What protocol operates at both Layer 2 and Layer 3 to perform label switching?
• What does the "CIA triad" represent in information security?
• How does two-factor authentication (2FA) enhance security?
• What is the purpose of a DMZ in network architecture?
• What range of ports is defined as dynamic or private ports?
• What device is used to multiplex connected devices into a single signal for transmission on a network?
• What kind of systems monitor network performance and identify attacks and failures?
• What does Quality of Service (QoS) typically enhance in a network?
• What does the term "malware" refer to in the context of network security?
• Which of the following is NOT a characteristic of VLAN technology?
• What is the primary purpose of patch management?
• What is the primary goal of a Web Application Firewall?
• What is the primary goal of penetration testing?
• Which protocol is used primarily to transfer files between hosts?
• Which technology is primarily used to send voice communication over packet networks?
• What type of risk can be reduced by implementing strong access control measures?
• What OSI layer is referred to as the Data Link Layer?
• What is the primary characteristic of dynamic ports in networking?
• What is a network called that connects using physical connections rather than wireless?
• What describes east-west data flow in network architecture?
• What security approach is best characterized by the principle of requiring control, authentication, and authorization for all activities by all users?
• What is the primary purpose of Carrier Sense Multiple Access with Collision Avoidance (CSMA/CA)?
• What is the purpose of creating a "threat model" in cybersecurity?
• What is a security policy in an organization?
• Which OSI layer is designated as the Network Layer?
• What term describes hardware-based mechanisms that verify the integrity of hardware before OS loading?
• Why is incident response planning important in network security?
• What is the term for the capability of a network to provide better service to selected traffic?
• What device is primarily responsible for filtering traffic based on a set of rules in a network?
• What device is designed to perform cryptographic operations and protect sensitive information such as passwords?
• What does "data encryption at rest" involve?
• What impact can effective incident response procedures have during a cyber incident?
• How can organizations enhance their incident response capabilities?
• What can result from a security breach?
• What does an SSL/TLS certificate do?
• What is the main function of network firewalls?
• Which protocol is associated with traffic handling in the control plane?
• What do the terms "authentication" and "authorization" mean in network security?
• Which protocol is primarily used to transmit HTML pages over the internet?
• Which network security strategy primarily involves the configuration of firewalls at every connection point?
• What type of network does not use a dedicated connection between endpoints?
• What does Port Address Translation (PAT) do in a network?
• What characterizes a strong password policy?
• What type of data flow contrasts with east-west data flows in a network?
• In what way does awareness training primarily impact cybersecurity?
• What is the role of boundary routers in a network?
• Which of the following is NOT a typical component of network security infrastructure?
• What type of cyber attack uses fake websites to target confidential information?
• What is a risk of using outdated software or systems?
• What is the primary purpose of encryption in communication security?
• Which of the following is NOT a function of the Remote Procedure Call (RPC)?
• What term refers to a network in which devices are connected using physical cables or fiber?
• The zero trust model replaces which security design principle?
• Which of the following is NOT a characteristic of IPv6?
• What constitutes a security breach?
• Which of the following accurately describes a segment in networking?
• Which protocol is used for direct communication between two devices within the same LAN segment?
• Which technology is specifically designed for high-speed wireless communication over large distances?
• At which layer of the OSI Model is data represented as frames?
• Which protocol provides a standard method for transporting multiprotocol datagrams over point-to-point links?
• What does VoIP stand for?
• What is the primary goal of a security audit?
• What technology allows different network segments to communicate with each other?
• What is the role of the OSI Layer 2?
• What is the name of the four-layer networking model defined by the Internet Engineering Task Force (IETF)?
• What role does public key infrastructure (PKI) play in secure communications?
• What is the primary aim of endpoint security solutions?