3DX5X CDC Vol 2
-
What topology combines two or more different physical topologies in a single network?
-
Bus
-
Ring
-
Star
-
Hybrid
-
About This Quiz
This quiz, titled '3DX5X CDC Vol 2', assesses knowledge on network protocols as per the OSI model. It covers layers, their functions, and devices operating at each layer, crucial for professionals in communications and IT.
Quiz Preview
- 2.
The ability to move about without being tethered by wires in wireless technology is called
-
Mobility.
-
Ease of installations
-
War driving
-
Motion capture technology
Correct Answer
A. Mobility.Explanation
The correct answer is mobility. In wireless technology, mobility refers to the ability to move freely without being restricted by wires. This allows users to access and use devices or networks from different locations, providing convenience and flexibility. Mobility is a key feature of wireless technology that enables users to stay connected and access information on the go.Rate this question:
-
- 3.
What are two anti-virus programs that the Air Force uses?
-
Norton and Horton.
-
Horton and McAfee
-
Norton and McAfee
-
McAfee and Lotus Pro
Correct Answer
A. Norton and McAfeeExplanation
The Air Force uses Norton and McAfee as their two anti-virus programs.Rate this question:
-
- 4.
Who is an authorized client that may unknowingly or maliciously help outside parties gain access to a network
-
Auditor.
-
Employee.
-
War Driver.
-
Hacker.
Correct Answer
A. Employee.Explanation
An employee is an authorized client who may unknowingly or maliciously help outside parties gain access to a network. Employees have legitimate access to the network and can potentially compromise its security by either unintentionally falling victim to social engineering attacks or intentionally collaborating with external entities to breach the network's defenses.Rate this question:
-
- 5.
What organization developed several wireless standards to meet the demands of security, speed, and flexibility of today’s wireless networks
-
Institute of Electrical Electronics Engineers
-
International Organization for Standardization
-
Internet assigned numbers authority
-
National Science Foundation network.
Correct Answer
A. Institute of Electrical Electronics EngineersExplanation
The Institute of Electrical Electronics Engineers (IEEE) developed several wireless standards to meet the demands of security, speed, and flexibility of today's wireless networks. These standards, such as IEEE 802.11 (Wi-Fi), IEEE 802.15 (Bluetooth), and IEEE 802.16 (WiMAX), have played a crucial role in ensuring interoperability and reliable wireless communication. The IEEE is a renowned organization in the field of electrical and electronics engineering, and its contributions have greatly influenced the development and advancement of wireless technology.Rate this question:
-
- 6.
The classification of a fill device is
-
Classified when taken out of a safe
-
Classified as SECRET when the key has been unloaded
-
Unclassified when put back in the safe after a key has been loaded into it
-
Classified as soon as a key is loaded, and holds the classification of the loaded key
Correct Answer
A. Classified as soon as a key is loaded, and holds the classification of the loaded keyExplanation
The correct answer states that a fill device is classified as soon as a key is loaded, and it holds the classification of the loaded key. This means that the classification of the fill device is determined by the key that is loaded into it. Once a key is loaded, the fill device takes on the classification of that key. This implies that the fill device can have different classifications depending on the key that is loaded into it.Rate this question:
-
- 7.
The path between the operating system and virtually all hardware not on the computer’s motherboard goes through a special program called a
-
Director
-
Deliver
-
Driver
-
Sender.
Correct Answer
A. DriverExplanation
A driver is a special program that acts as a bridge between the operating system and hardware devices that are not directly attached to the computer's motherboard. It facilitates communication and enables the operating system to send commands and receive data from these external hardware devices. Without a driver, the operating system would not be able to interact with or control these devices effectively.Rate this question:
-
- 8.
What was the first disk operating system developed to operate on a wide range of computer systems?
-
C-Plus.
-
UNIX
-
Fortran
-
Windows.
Correct Answer
A. UNIXExplanation
UNIX was the first disk operating system developed to operate on a wide range of computer systems. It was created in the 1960s at Bell Labs and was designed to be portable and flexible, allowing it to run on different hardware architectures. UNIX introduced many innovative features, such as a hierarchical file system, multitasking, and a command-line interface, which made it highly influential in the development of modern operating systems. Its portability and versatility made UNIX widely adopted in academic, government, and commercial settings, solidifying its position as the first widely used disk operating system for multiple computer systems.Rate this question:
-
- 9.
What concerns slowed the military’s adoption of wireless network technology?
-
Speed and reliability
-
Security and reliability.
-
Reliability and maintenance
-
Certification and interoperability
Correct Answer
A. Security and reliability.Explanation
The military's adoption of wireless network technology was slowed down due to concerns regarding both security and reliability. This means that the military was hesitant to implement wireless networks because they were worried about the potential vulnerabilities and risks associated with wireless communication, as well as the need for a reliable and stable network connection. These concerns highlight the importance of ensuring the security and reliability of wireless networks in a military context.Rate this question:
-
- 10.
Which network protocol has the Department of Defense chosen as its standard to govern the flow of information?
-
AppleTalk
-
NetBios Extended User Interface.
-
Transport Control Protocol/Internet Protocol
-
Internetwork Packet Exchange/ Sequenced Packet Exchange.
Correct Answer
A. Transport Control Protocol/Internet ProtocolExplanation
The Department of Defense has chosen the Transport Control Protocol/Internet Protocol (TCP/IP) as its standard network protocol to govern the flow of information. TCP/IP is a set of rules and protocols that allows for reliable and secure communication between devices on a network. It is widely used in the internet and is known for its robustness and scalability. The decision to adopt TCP/IP as the standard protocol by the Department of Defense highlights its effectiveness and widespread acceptance in the field of networking.Rate this question:
-
- 11.
What type of network connects networks that are typically separated by geographical distances between cities, states, countries, or around the world?
-
Local Area Network
-
Wide Area Network
-
Virtual Private Network.
-
Metropolitan Area Network
Correct Answer
A. Wide Area NetworkExplanation
A Wide Area Network (WAN) is a type of network that connects networks that are typically separated by geographical distances between cities, states, countries, or around the world. Unlike a Local Area Network (LAN) which is confined to a small area, a WAN allows for long-distance communication and connects multiple LANs together. A Virtual Private Network (VPN) is a technology that allows secure remote access to a private network over a public network, and a Metropolitan Area Network (MAN) connects networks within a specific geographic area, such as a city.Rate this question:
-
- 12.
What directory is always identified by the slash symbol (/) and is in the “a” partition?
-
Root.
-
User.
-
Binary.
-
Device.
Correct Answer
A. Root.Explanation
The directory that is always identified by the slash symbol (/) and is in the "a" partition is the root directory. The root directory is the top-level directory in a file system hierarchy and serves as the starting point for navigating the file system. It contains all other directories and files in the system.Rate this question:
-
- 13.
What is a formal set of rules and conventions that govern how computers exchange information over a network medium?
-
Specification
-
Standard.
-
Etiquette
-
Protocol.
Correct Answer
A. Protocol.Explanation
A protocol is a formal set of rules and conventions that govern how computers exchange information over a network medium. It ensures that data is transmitted and received correctly, and defines the format, timing, sequencing, and error control of the communication. A protocol acts as a common language that allows different devices and systems to communicate effectively and efficiently.Rate this question:
-
- 14.
What type of network makes use of tunneling and security protocols to enables a group of two or more computer systems to communicate over the public Internet
-
Local Area Network.
-
Wide Area Network
-
Virtual Private Network
-
Metropolitan Area Network
Correct Answer
A. Virtual Private NetworkExplanation
A Virtual Private Network (VPN) is a type of network that uses tunneling and security protocols to enable a group of two or more computer systems to communicate over the public Internet. VPNs provide a secure and encrypted connection between the computers, allowing them to send and receive data as if they were directly connected to a private network. This makes VPNs particularly useful for remote workers or for accessing private networks while connected to a public network, such as the internet.Rate this question:
-
- 15.
Using a range of 1–126 in the first octet of an IPv4 address, what class does it belong to?
-
Class A.
-
Class B.
-
Class C.
-
Class D.
Correct Answer
A. Class A.Explanation
An IPv4 address is divided into different classes based on the range of values in the first octet. Class A addresses have a first octet range of 1-126, which means that any IP address falling within this range belongs to Class A. Class A addresses are used for large networks, as they provide a large number of host addresses.Rate this question:
-
- 16.
What is the type of memory that retains data after power is removed or lost?
-
Volatile.
-
Nonvolatile.
-
Secured.
-
Unsecured.
Correct Answer
A. Nonvolatile.Explanation
Nonvolatile memory is the type of memory that retains data even after power is removed or lost. Unlike volatile memory, which requires a constant power source to retain data, nonvolatile memory can store information for long periods without power. This type of memory is commonly used in devices such as hard drives, solid-state drives, and flash memory, where data needs to be stored even when the device is turned off or loses power.Rate this question:
-
- 17.
What rule establishes the percent of data that should be local to a segment and the percentage of data that should be destined to traverse a bridge to the other segment?
-
90/10 rule.
-
80/20 rule
-
70/30 rule
-
60/40 rule
Correct Answer
A. 80/20 ruleExplanation
The 80/20 rule refers to the principle that 80% of the data should be local to a segment, while 20% of the data should be destined to traverse a bridge to the other segment. This rule helps in determining the distribution of data between segments, ensuring that a majority of the data stays within the local segment, reducing the need for unnecessary data transfer and optimizing network efficiency.Rate this question:
-
- 18.
What is the method called when the entire frame is received and placed into the buffer, an error check is performed, and the frame is sent to the proper port for delivery?
-
Store-and-forward.
-
Cross-over.
-
Fragment-free.
-
Adaptive.
Correct Answer
A. Store-and-forward.Explanation
Store-and-forward is the method where the entire frame is received and stored in the buffer before being forwarded to the appropriate port for delivery. This method also includes performing an error check on the frame to ensure its integrity before transmission. Cross-over, fragment-free, and adaptive are not relevant to this specific process.Rate this question:
-
- 19.
Applications are software programs designed to perform what type of tasks?
-
Specific
-
General
-
Special
-
Broad.
Correct Answer
A. SpecificExplanation
Applications are software programs designed to perform specific tasks. Unlike general software programs that have a wide range of functionalities, applications are created with a focused purpose in mind. They are tailored to meet the specific needs of users, whether it be for productivity, communication, entertainment, or any other specific task.Rate this question:
-
- 20.
While you are using the Red Switch, what feature lets you know that you have dialed the correct number at the proper level of security?
-
Recorded voice message
-
Punched computer cards
-
Liquid crystal display.
-
Punched paper tape
Correct Answer
A. Liquid crystal display.Explanation
The liquid crystal display (LCD) is a feature that lets you know that you have dialed the correct number at the proper level of security while using the Red Switch. The LCD provides visual feedback by displaying the dialed number or other relevant information, ensuring that the correct number has been entered. This feature allows for easy verification and confirmation of the dialed number, enhancing the security and accuracy of the communication process.Rate this question:
-
- 21.
Final reports of a communication security incident are due
-
10 days after the initial report is dated
-
20 days after the initial report is signed.
-
30 days after the initial report is issued
-
40 days after the initial report is approved.
Correct Answer
A. 30 days after the initial report is issuedExplanation
The correct answer is 30 days after the initial report is issued. This means that the final reports for a communication security incident should be submitted within 30 days from the date the initial report was officially issued.Rate this question:
-
- 22.
What topology defines the way in which devices communicate, and data is transmitted, throughout the network?
-
Physical.
-
Logical.
-
Star.
-
Hybrid.
Correct Answer
A. Logical.Explanation
Logical topology refers to the way in which devices are connected and communicate with each other in a network, regardless of their physical location. It defines the pathways that data takes as it is transmitted between devices. Unlike physical topology, which focuses on the actual physical connections between devices, logical topology is concerned with the logical relationships between devices. It determines how data is transmitted, routed, and controlled within the network, allowing for efficient communication and data transfer.Rate this question:
-
- 23.
What topology consists of devices connected to a common, shared cable?
-
Bus
-
Ring.
-
Star
-
Hybrid.
Correct Answer
A. BusExplanation
Bus topology consists of devices connected to a common, shared cable. In this topology, all devices are connected to a single cable, known as the bus. Each device on the network can transmit data onto the bus, and all other devices on the network can receive that data. It is a simple and cost-effective topology, but it has the disadvantage of being susceptible to a single point of failure, as if the main cable is damaged, the entire network may go down.Rate this question:
-
- 24.
What IPv4 reserved address is used for loop back?
-
0.0.0.0.
-
127.0.0.1.
-
207.55.157.255.
-
255.255.255.255.
Correct Answer
A. 127.0.0.1.Explanation
The IPv4 reserved address used for loop back is 127.0.0.1. This address is commonly referred to as the loopback address and is used to test network connectivity on a local machine. When a packet is sent to this address, it is looped back to the same machine without being transmitted on the network. This allows for testing and troubleshooting network applications without the need for an external network connection.Rate this question:
-
- 25.
Which landline transmission medium is the primary carrier of voice communications?
-
Twisted pair cable
-
Fiber optic cable
-
Coaxial cable
-
Twinax cable
Correct Answer
A. Twisted pair cableExplanation
Twisted pair cable is the primary carrier of voice communications because it is a widely used transmission medium for telephone systems. It consists of two insulated copper wires twisted together, which helps to minimize interference and crosstalk. The twisted pair cable is capable of carrying analog signals, such as voice, over long distances without significant degradation in quality. It is cost-effective, easy to install, and suitable for both residential and commercial applications, making it the preferred choice for voice communication.Rate this question:
-
- 26.
Which of the following is not one the four security threats to Wireless Local Area Network?
-
Rogue Access Points
-
Direct Connections
-
War Drivers
-
Hackers.
Correct Answer
A. Direct ConnectionsExplanation
Direct Connections is not considered one of the four security threats to Wireless Local Area Network because it refers to a legitimate method of connecting devices to a network using a physical cable, rather than wirelessly. Rogue Access Points, War Drivers, and Hackers, on the other hand, are all potential security threats to wireless networks.Rate this question:
-
- 27.
What do routing algorithms initialize and maintain to aid the process of path determination?
-
Routing times
-
Routing tables.
-
Longest routes
-
Shortest routes.
Correct Answer
A. Routing tables.Explanation
Routing algorithms initialize and maintain routing tables to aid the process of path determination. Routing tables contain information about the network topology, including the available paths, costs, and next-hop routers. By using these tables, routing algorithms can determine the most efficient path for data packets to reach their destination. Routing tables are regularly updated and maintained to adapt to changes in the network, such as link failures or new routes becoming available. They play a crucial role in ensuring efficient and reliable communication within a network.Rate this question:
-
- 28.
What topology consists of cable segments from each computer connected to a centralized component?
-
Bus
-
Ring.
-
Star.
-
Hybrid.
Correct Answer
A. Star.Explanation
A star topology consists of cable segments from each computer connected to a centralized component, usually a switch or hub. In this configuration, all communication between computers passes through the central component, making it easier to manage and troubleshoot the network. Each computer has its own dedicated connection to the central component, which improves performance and allows for easier expansion of the network.Rate this question:
-
- 29.
An accreditation decision which allows a system to operate in an environment for which it was originally intended is known as
-
A full accreditation.
-
A type accreditation
-
A major accreditation
-
An interim accreditation
Correct Answer
A. A full accreditation.Explanation
A full accreditation refers to the decision that allows a system to operate in the environment it was originally intended for. This means that the system has met all the necessary requirements and standards to operate effectively and safely in its designated environment. It signifies that the system has been thoroughly evaluated and deemed suitable for its intended purpose, providing assurance to stakeholders that it meets all necessary criteria.Rate this question:
-
- 30.
The computing part of the computer is the central processing unit, also called the
-
Control unit.
-
Minicomputer
-
Microprocessor
-
Arithmetic logic unit
Correct Answer
A. MicroprocessorExplanation
The central processing unit (CPU) is the computing part of a computer that performs all the necessary calculations and operations. It is responsible for executing instructions, managing data, and controlling the overall operation of the computer. The microprocessor is a key component of the CPU, acting as its brain and carrying out the actual processing of data. It is a small chip that contains millions of transistors and circuits, allowing it to perform complex calculations and operations at high speeds. Therefore, the microprocessor is the correct answer as it accurately represents the computing part of the computer.Rate this question:
-
- 31.
An optical communications system is comprised of a
-
Transmitter, cable, and receiver
-
Transmitter, cable, and logic analyzer.
-
Transmitter, transmission medium, and logic analyzer
-
Transmitter, transmission medium, and protocol analyzer.
Correct Answer
A. Transmitter, cable, and receiverExplanation
The correct answer is transmitter, cable, and receiver. In an optical communications system, the transmitter is responsible for converting electrical signals into optical signals, which are then transmitted through a cable made of optical fibers. The receiver at the other end of the cable receives the optical signals and converts them back into electrical signals. Therefore, the transmitter, cable, and receiver are the essential components of an optical communications system.Rate this question:
-
- 32.
Which of the following is not one of the three advantages to using wireless technology?
-
Ease of installation
-
Lower Cost
-
Safety
-
Mobility
Correct Answer
A. SafetyExplanation
Safety is not one of the three advantages to using wireless technology because it can pose security risks and vulnerabilities. While wireless technology offers ease of installation, lower cost, and mobility, it may also be susceptible to unauthorized access, data breaches, and interference. Therefore, safety is not a direct advantage of wireless technology, but rather a concern that needs to be addressed and managed.Rate this question:
-
- 33.
Dynamic routing automatically calculates the best path between how many nodes?
-
2
-
3
-
4
-
5
Correct Answer
A. 2Explanation
Dynamic routing automatically calculates the best path between two nodes. It analyzes various factors such as network congestion, link quality, and other metrics to determine the most efficient route for data packets to travel between the source and destination nodes. By dynamically adjusting the routing paths based on real-time conditions, dynamic routing protocols ensure optimal network performance and efficient utilization of network resources.Rate this question:
-
- 34.
An uninvestigated or unevaluated occurrence that potentially jeopardizes the security of COMSEC material or the secure transmission of government information is best described as a COMSEC
-
Insecurity
-
Deviation
-
Incident
-
Report
Correct Answer
A. IncidentExplanation
An uninvestigated or unevaluated occurrence that potentially jeopardizes the security of COMSEC material or the secure transmission of government information is best described as a COMSEC incident.Rate this question:
-
- 35.
What best describes an unintended signals or noise appearing external to a piece of communications equipment?
-
Emulation
-
Emanation
-
Signature.
-
Salutation
Correct Answer
A. EmanationExplanation
Emanation best describes unintended signals or noise appearing external to a piece of communications equipment. Emanation refers to the unintentional release of electromagnetic signals or radiation from electronic devices, which can potentially interfere with other nearby devices or be intercepted by unauthorized individuals. This can lead to security risks and compromise the confidentiality of sensitive information.Rate this question:
-
- 36.
What application within Transmission Control Protocol/Internet Protocol is used to send and receive files via TCP?
-
File Transfer Protocol
-
Trivial File Transfer Protocol
-
Simple Mail Transfer Protocol
-
HyperText Transfer Protocol
Correct Answer
A. File Transfer ProtocolExplanation
File Transfer Protocol (FTP) is the correct answer because it is the application within TCP/IP that is specifically designed for sending and receiving files. FTP allows users to transfer files between a client and a server over a network, using TCP as the underlying protocol for reliable data transmission. FTP provides a set of commands for navigating and manipulating files on the server, making it a widely used protocol for file transfer over the internet.Rate this question:
-
- 37.
Instead of using binary, how are IPv4 addresses expressed to be more user-friendly?
-
Colon Hexadecimal Format.
-
Dotted Decimal Notation
-
Hexadecimal.
-
Octal.
Correct Answer
A. Dotted Decimal NotationExplanation
IPv4 addresses are expressed in dotted decimal notation to make them more user-friendly. In this format, the address is divided into four sections, each representing an octet of the address. Each octet is represented as a decimal number ranging from 0 to 255, separated by dots. This format is easier for users to understand and remember compared to binary, hexadecimal, or octal formats.Rate this question:
-
- 38.
The core operating-system function is the management of the computer system which resides with the
-
Shell.
-
Kernel
-
Device manager
-
Processor manager.
Correct Answer
A. KernelExplanation
The kernel is responsible for managing the core functions of the operating system. It acts as the bridge between the hardware and software, handling tasks such as memory management, process scheduling, and device drivers. The kernel is essential for the proper functioning of the computer system, making it the correct answer in this case.Rate this question:
-
- 39.
The Institute of Electrical and Electronics Engineers divide the Open System Interconnect Data Link Layers into what two sublayers?
-
High Level Data Link Control and Synchronous Data Link Control.
-
Logical Link Control and Media Access Control
-
Distance Vector and Link State.
-
RS–232 and RS–530.
Correct Answer
A. Logical Link Control and Media Access ControlExplanation
The correct answer is Logical Link Control and Media Access Control. The Open System Interconnect (OSI) Data Link Layer is divided into these two sublayers. The Logical Link Control (LLC) sublayer is responsible for managing the flow of data between devices and providing error control. The Media Access Control (MAC) sublayer is responsible for controlling access to the physical media and handling the transmission of data frames. These two sublayers work together to ensure reliable and efficient communication between devices in a network.Rate this question:
-
- 40.
What do you apply across Liquid Crystal Display material to change the alignment and light polarizing property?
-
Current.
-
Voltage
-
Resistance.
-
Inductance
Correct Answer
A. VoltageExplanation
Voltage is applied across Liquid Crystal Display (LCD) material to change its alignment and light polarizing property. By applying voltage, the liquid crystals in the display can be aligned in a specific way, which affects the polarization of light passing through them. This alignment change allows the display to control the amount of light that passes through different areas, thus creating the desired image or text. Therefore, voltage is the correct answer as it directly influences the alignment and polarizing properties of the LCD material.Rate this question:
-
- 41.
What is the name of the standard all-purpose shell most commonly used?
-
Restricted shell.
-
Bourne shell
-
Korn shell
-
C shell.
Correct Answer
A. Bourne shellExplanation
The correct answer is Bourne shell. The Bourne shell is the standard all-purpose shell that is widely used in Unix-like operating systems. It was developed by Stephen Bourne and is known for its simplicity and efficiency. The Bourne shell provides a command-line interface for users to interact with the operating system and execute various commands and scripts. It is considered the foundation for many other shells that have been developed later, making it a commonly used and important shell in the Unix world.Rate this question:
-
- 42.
The Global Positioning System program is responsible for maintaining GPS time to within how many seconds of universal time code?
-
2 microseconds
-
2 seconds.
-
1 microsecond.
-
1 second.
Correct Answer
A. 1 microsecond.Explanation
The Global Positioning System (GPS) program is responsible for maintaining GPS time to within 1 microsecond of universal time code. This means that the time provided by GPS is accurate up to a millionth of a second compared to the universal time code. GPS time is crucial for various applications such as navigation, telecommunications, and scientific research, where precise timing is essential.Rate this question:
-
- 43.
Which applied discipline applies measures and controls to protect data in computer systems against unauthorized, disclosure, modification, or destruction?
-
OPSEC
-
EMSEC
-
COMSEC
-
COMPUSEC.
Correct Answer
A. COMPUSEC.Explanation
COMPUSEC, short for computer security, is the applied discipline that applies measures and controls to protect data in computer systems against unauthorized disclosure, modification, or destruction. It involves implementing various security measures such as firewalls, encryption, access controls, and intrusion detection systems to safeguard computer systems and the data they contain.Rate this question:
-
- 44.
Which condition exists when there is no apparent terrorist activity against computer networks?
-
INFOCON 2.
-
INFOCON 3
-
INFOCON 4
-
INFOCON 5
Correct Answer
A. INFOCON 5Explanation
INFOCON 5 indicates that there is no apparent terrorist activity against computer networks. This means that the threat level is at its lowest, suggesting that there are currently no known or visible terrorist activities targeting computer networks. Therefore, INFOCON 5 represents a condition of minimal or no threat in terms of terrorist activities against computer networks.Rate this question:
-
- 45.
What Open System Interconnect layer is closest to the end user?
-
Application.
-
Session.
-
Presentation.
-
Transport.
Correct Answer
A. Application.Explanation
The Open System Interconnect (OSI) model is a conceptual framework that describes how network protocols interact and communicate with each other. It consists of seven layers, with the Application layer being the closest to the end user. The Application layer provides services directly to the user, such as web browsing, email, and file transfer. It interacts with the user and initiates communication with the lower layers of the OSI model to transmit and receive data over the network. Therefore, the Application layer is the correct answer as it is the layer closest to the end user.Rate this question:
-
- 46.
What topology defines the layout of a network’s devices and media?
-
Physical.
-
Logical.
-
Star.
-
Hybrid.
Correct Answer
A. Physical.Explanation
The correct answer is physical because the physical topology refers to the actual layout of the devices and media in a network. It describes how the devices are physically connected to each other and to the network media, such as cables or wireless connections. This includes the arrangement of devices, the type of cables used, and the location of network components. On the other hand, logical topology refers to how data flows within the network, independent of the physical layout.Rate this question:
-
- 47.
What Transmission Control Protocol/Internet Protocol network layer protocol provides messaging that can help with troubleshooting
-
Internet Protocol
-
Address Resolution Protocol.
-
Reverse Address Resolution Protocol.
-
Internet Control Message Protocol
Correct Answer
A. Internet Control Message ProtocolExplanation
The correct answer is Internet Control Message Protocol. The Internet Control Message Protocol (ICMP) is a network layer protocol that provides messaging services for troubleshooting purposes. It is used to send error messages and operational information, such as network congestion or unreachable hosts, between network devices. ICMP messages are crucial for diagnosing and resolving network issues, as they allow network administrators to identify and troubleshoot problems in the network.Rate this question:
-
- 48.
How many bits are in an IPv4 address?
-
16 bits.
-
32 bits.
-
64 bits
-
128 bits.
Correct Answer
A. 32 bits.Explanation
An IPv4 address is a 32-bit binary number, divided into four octets, each containing 8 bits. Therefore, the correct answer is 32 bits.Rate this question:
-
- 49.
What is the default classful subnet mask on class B networks?
-
255.255.0.0.
-
255.255.240.0.
-
255.255.255.0.
-
255.255.255.224.
Correct Answer
A. 255.255.0.0.Explanation
The default classful subnet mask for class B networks is 255.255.0.0. This subnet mask allows for 16 bits to be used for the network portion of the IP address and 16 bits for the host portion. This means that class B networks can have up to 65,536 hosts on each network.Rate this question:
-
Quiz Review Timeline (Updated): Mar 20, 2023 +
Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.
-
Current Version
-
Mar 20, 2023Quiz Edited by
ProProfs Editorial Team -
Dec 08, 2011Quiz Created by
Gtarrant
Back to top