Network+ (N10-008) Exam Study Guide with Complete Solutions 2024/2025 OSI Model Layers - Correct Answer Application Presentation Session Transport Network Data Link Physical Will OSI Model Layers communicate with different layers - Correct Answer No, only talk to the same layer on the other device.Can OSI Layer 2 communicate will layer 5 - Correct Answer No, OSI Layers can only communicate with layers one above or below.What is the Purpose of the OSI Model - Correct Answer Provide a model to describe how data moves from source device to destination device.What are the responsibilities of Layer 1 of the OSI Model - Correct Answer Transmission of bits over medium.What is the Physical medium that Layer 1 of the OSI model use to transmit data. - Correct Answer Cables, Connectors, NIC, Repeaters, and Hubs What is the Responsibilities of the Data Link Layer. - Correct Answer For Node to Node delivery & creates frames & Physical Address ( MAC Address).What does the Data Link Layer responsible to control - Correct Answer Access, Flow, and Error 1 / 2
Describe Transmission Control's function - Correct Answer Establishing & Terminating, Media Access Management, Flow Control, Error Control, Access Control.What does the logical link control (LLC) sublayer of the data link layer determines? - Correct Answer To use either the connectionless or connection - oriented.What are the basic functions of the Network Layer - Correct Answer Packet Addressing, Address Conversion, Source-to-Destination Delivery, & Routing.Does a router determine the best path to destination? - Correct Answer Yes Does the Router provide physical or logical connections for the network - Correct Answer It Provides Logical Address scheme Packetizing at the network layer involves - Correct Answer Creates packet from transport layer, encapsulation, and applied IP address both source and destination.Fragmentation at the network layer does - Correct Answer Divides large packets into smaller ones so it can be sent easier.The responsibilities of the transport layer - Correct Answer End to end message delivery, error checking, distinguishes application protocol, and adds port value.What are the functions of the transport layer - Correct Answer Message acknowledgment, session multiplexing, and service point address What are the two major protocols in the transport layer. - Correct Answer User datagram protocol (UDP) & Transmission Control Protocol (TCP) What are the characteristics of connectionless transmission - Correct Answer Receiver doesn't acknowledged receipt of packet, assumed success, faster communication
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