Ch. 1 - Network Models (Network+)

<p>It helps you find a job and it helps you stay current with industry events. (A), It helps you get validated by professionals in terms of your knowledge and expertise and it helps you get discovered by hiring managers and recruiters. (C)</p> Signup and view all the answers

<p>Microsoft PowerPoint or Google Slides (D)</p> Signup and view all the answers

<p>All of the above (E)</p> Signup and view all the answers

<p>It helps you stay current with events in your industry. (B)</p> Signup and view all the answers

<p>Introduction, Layers, and Conclusion (A)</p> Signup and view all the answers

<p>10 minutes (B)</p> Signup and view all the answers

<p>Desktop support technicians (D)</p> Signup and view all the answers

<p>Microsoft PowerPoint or Google Slides and prior lab exercises (A)</p> Signup and view all the answers

<p>2 hours (D)</p> Signup and view all the answers

<p>2 (C)</p> Signup and view all the answers

<p>Teaching those concepts to others (C)</p> Signup and view all the answers

<p>15-20 minutes (A)</p> Signup and view all the answers

<p>Facebook (E)</p> Signup and view all the answers

<p>Researching troubleshooting information efficiently (D)</p> Signup and view all the answers

<p>Cloud storage solutions (A)</p> Signup and view all the answers

<p>Hands-on lab exercises that simulate real-world issues (C)</p> Signup and view all the answers

<p>Both small offices and large institutions with multiple servers (D)</p> Signup and view all the answers

<p>Understanding the OSI model (C)</p> Signup and view all the answers

<p>Understanding the interaction between multiple entities (C)</p> Signup and view all the answers

<p>CompTIA Network+ (C)</p> Signup and view all the answers

<p>A vast field too large for a single resource to cover (A)</p> Signup and view all the answers

<p>It increases your own network visibility through two-way relationships. (A)</p> Signup and view all the answers

<p>They provide continuous learning and prevent obsolescence in knowledge and skills. (D)</p> Signup and view all the answers

<p>Data packets along with source and destination addresses. (A)</p> Signup and view all the answers

<p>It shows both IP and MAC addresses along with other network configurations. (D)</p> Signup and view all the answers

<p>Data from the application layer is encapsulated into frames by the transport layer. (D)</p> Signup and view all the answers

<p>ipconfig (B)</p> Signup and view all the answers

<p>It connects devices of the same network together. (A)</p> Signup and view all the answers

<p>To manage communication between devices of different networks. (C)</p> Signup and view all the answers

<p>It reveals the route and the time taken to reach the destination. (C)</p> Signup and view all the answers

<p>To showcase skills and network with industry professionals. (D)</p> Signup and view all the answers

<p>Network Layer (B)</p> Signup and view all the answers

<p>Trailer (B)</p> Signup and view all the answers

<p>Network Layer (D)</p> Signup and view all the answers

<p>Transport Layer (A)</p> Signup and view all the answers

<p>If the data payload should be discarded (C)</p> Signup and view all the answers

<p>Physical Layer (A)</p> Signup and view all the answers

<p>It detects accidental changes (B)</p> Signup and view all the answers

<p>By verifying the destination MAC address (D)</p> Signup and view all the answers

<p>Session Layer (D)</p> Signup and view all the answers

<p>To identify the encapsulated protocol (D)</p> Signup and view all the answers

<p>They are fragmented into smaller packets (C)</p> Signup and view all the answers

<p>Presentation Layer (A)</p> Signup and view all the answers

<p>Data Link Layer (A)</p> Signup and view all the answers

<p>Data Link Layer (C)</p> Signup and view all the answers

<p>Hardware address (B)</p> Signup and view all the answers

<p>ipconfig /all (D)</p> Signup and view all the answers

<p>Physical Layer (A)</p> Signup and view all the answers

<p>No two organizations can be assigned the same OUI. (C)</p> Signup and view all the answers

<p>Connect devices within the same network (A)</p> Signup and view all the answers

<p>By changing the settings in the operating system (D)</p> Signup and view all the answers

<p>Network Layer (C)</p> Signup and view all the answers

<p>Logical address (B)</p> Signup and view all the answers

<p>netstat (D)</p> Signup and view all the answers

<p>Connects multiple networks together (B)</p> Signup and view all the answers

<p>Dynamic IP configuration (D)</p> Signup and view all the answers

<p>Use a centralized MAC address database (A)</p> Signup and view all the answers

<p>Physical connections and transmissions occur (D)</p> Signup and view all the answers

<p>The path taken by packets to a destination (A)</p> Signup and view all the answers

<p>The IP address or FQDN of the router at that hop (A)</p> Signup and view all the answers

<p>Application layer (B)</p> Signup and view all the answers

<p>To prepare data for the application by formatting it (C)</p> Signup and view all the answers

<p>Segment or Datagram (C)</p> Signup and view all the answers

<p>Sending an email with attachment (A)</p> Signup and view all the answers

<p>The failure can be diagnosed by tracing the route (D)</p> Signup and view all the answers

<p>Hops (C)</p> Signup and view all the answers

<p>Maintaining and terminating connections (B)</p> Signup and view all the answers

<p>Making API calls at the Application layer (B)</p> Signup and view all the answers

<p>Transport layer (C)</p> Signup and view all the answers

<p>15 hops or less (B)</p> Signup and view all the answers

<p>Data routing (A)</p> Signup and view all the answers

<p>Facilitate user application interaction with the network (B)</p> Signup and view all the answers

<p>netstat (B)</p> Signup and view all the answers

<p>IP address on the local machine (B)</p> Signup and view all the answers

<p>ICMP Echo Requests (A)</p> Signup and view all the answers

<p>To determine the path taken by packets to a destination (C)</p> Signup and view all the answers

<p>Layer 4 (C)</p> Signup and view all the answers

<p>It resolves computer names to IP addresses (D)</p> Signup and view all the answers

<p>They serve as endpoints for specific programs or services (A)</p> Signup and view all the answers

<p>21 (C)</p> Signup and view all the answers

<p>ICMP packets are being filtered or blocked (C)</p> Signup and view all the answers

<p>tracert -4 google.com (B)</p> Signup and view all the answers

<p>netstat -an (A)</p> Signup and view all the answers

<p>TCP and UDP (A)</p> Signup and view all the answers

<p>They are relevant to Layer 2 frames. (C)</p> Signup and view all the answers

<p>To provide a template for network product compatibility (B)</p> Signup and view all the answers

<p>Data Link layer (A)</p> Signup and view all the answers

<p>Layer 3 (B)</p> Signup and view all the answers

<p>Network Interface Card (NIC) (D)</p> Signup and view all the answers

<p>A physical address used within the Data Link layer (A)</p> Signup and view all the answers

<p>Presentation layer (C)</p> Signup and view all the answers

<p>IP (C)</p> Signup and view all the answers

<p>It defines hardware protocols for Layer 1 and Layer 2. (A)</p> Signup and view all the answers

<p>Switch (A)</p> Signup and view all the answers

<p>Its acronym stands for International Standards Organization. (B)</p> Signup and view all the answers

<p>Router (B)</p> Signup and view all the answers

<p>Network layer (D)</p> Signup and view all the answers

<p>Physical layer (C)</p> Signup and view all the answers

<p>It enables the tech to troubleshoot communication issues effectively. (B)</p> Signup and view all the answers

<p>It serves as the access point for external network traffic. (A)</p> Signup and view all the answers

A credential demonstrating proficiency in networking skills and concepts.

The practice of connecting computers and devices to share resources and communicate.

A conceptual framework used to understand network interactions in seven layers.

A network utility tool used to test the reachability of a host on an IP network.

A command-line tool that displays the path packets take to a network host.

Hands-on tasks designed to reinforce networking concepts and skills.

The process of diagnosing and resolving problems within a network.

The skill of quickly finding solutions and information during network issues.

The OSI model is divided into seven layers: Physical, Data Link, Network, Transport, Session, Presentation, Application.

Layer 1 of the OSI model deals with the physical connections of the network.

Layer 2 of the OSI model handles node-to-node data transfer and MAC addressing.

Layer 3 of the OSI model manages IP addressing and routing.

A unique identifier assigned to network interfaces for communications on a network.

A unique numerical label assigned to a device participating in a computer network.

A hardware component that connects a computer to a network.

Define Layer 1 and 2 aspects of wired network technologies.

Define Layer 1 and 2 aspects of wireless networking technologies.

A device that forwards data packets between computer networks, operates at Layer 3.

A network device that connects devices within the same network and operates at Layer 2.

Smaller network segments created within a larger network to improve efficiency.

Rules governing communication between network devices, dictating how data is transmitted.

A hardware component that connects a computer to a network and operates at the OSI layers 1 and 2.

A type of NIC that uses cables to connect to a network.

A type of NIC that connects to a network using wireless signals.

Rules governing data communication over a network, installed on the NIC.

A set of communication protocols used for interconnecting network devices on the internet.

The first half of a MAC address indicating the manufacturer of the NIC.

A command-line utility in Windows to display network configuration information, including IP addresses.

A network utility used to test the reachability of a host and measure round-trip times for messages.

A command-line tool to trace the route data takes from your computer to another network destination.

A command-line tool that displays active connections and ports on a computer.

The organized outline for delivering information about the OSI model.

An effective way to learn networking is by teaching it to others.

Tools like PowerPoint or Google Slides for creating effective slides.

The opening part of a presentation that outlines the topic.

Seven distinct layers that help in networking communication.

Specific roles or responsibilities assigned to each OSI layer.

Rules that determine how data is transmitted between devices.

Interacting with your audience during a presentation for feedback.

Data transfers occurring between devices on a network.

A time set aside after a presentation for answering audience questions.

Summarizes key points from the presentation to reinforce learning.

Professional networking opportunities and personal brand building on LinkedIn.

Possibilities for finding or being a mentor on LinkedIn.

Keeping up with industry developments and networking trends.

The IP address on your own machine in a network connection.

A visual representation of the OSI model’s layers and functions.

The IP address of the remote machine you're connected to.

Endpoints of communication links represented by IP address and port number.

The process of setting up a LinkedIn profile highlighting your skills.

Transmission Control Protocol; a connection-oriented protocol for reliable data transmission.

User Datagram Protocol; a connectionless protocol used for faster but less reliable transmissions.

Endpoints for communication specific to programs or services, identified by numbers.

Internet Control Message Protocol, used for error messages and operational information.

A message sent by the ping command to test if a destination is reachable.

The response received when the ping command is successful.

Fully Qualified Domain Name; the complete domain name for a specific computer on the internet.

Data units used by TCP to manage communication over networks.

A unit of data used in UDP networking that does not guarantee delivery.

A packet of data encapsulated at the Data Link layer with MAC address fields.

A trailer field in a frame used to detect errors in transmitted data.

An error-checking algorithm used to ensure data integrity in frames.

Data encapsulated with header information at the Network layer, containing source and destination IPs.

The process of breaking larger packets into smaller pieces for transmission.

Layer 7 of the OSI model where applications interact with network services using APIs.

Layer 4 of the OSI model that manages end-to-end communication and data segmenting.

The actual data transferred over the network, excluding headers and trailers.

The first hop in the tracert output, directing packets to external networks.

Fully Qualified Domain Name, represents specific locations on the internet.

Layer responsible for formatting, encryption, and compression of data.

Layer that manages connections and sessions between applications.

TCP ensures accuracy, while UDP focuses on speed in data transmission.

The process of dividing data into smaller parts for transmission.

Data is the message; payload is the actual transmission inside protocols.

A single unit of information at each layer of the OSI model.

Interacting with posts on LinkedIn to increase visibility.

Mutual connection where both parties see each other's posts.

Credentials that demonstrate expertise in a specific field.

Ongoing learning to stay relevant in your industry.

A certification that validates networking knowledge and skills.

The process of wrapping data with protocol information at each OSI layer.

Displaying detailed network configuration in Windows using ipconfig /all.

Units of data at the Data Link layer that encapsulate packets.

Applications used to diagnose and analyze network performance.

Future objectives to enhance networking skills and connections.