Section 1.1 Demonstrate your acquired knowledge about the OSI Model. This will demonstrate your proficiency for section 1.1 of the Network+ 10-009 objectives. 1 / 24 What does the OSI model stand for? Open System Integration Open Systems Interconnection Organizational Systems Interconnection Operational Systems Interconnection 2 / 24 Which layer of the OSI model would a router typically operate at? Network Layer Transport Layer Data Link Layer Application Layer 3 / 24 What is the primary responsibility of the Application Layer? Error detection Data presentation User interface and network services Establishing data sessions 4 / 24 Which of the following is NOT an OSI model layer? Application Layer Session Layer Internet Layer Network Layer 5 / 24 Which layer is responsible for the logical addressing of devices, typically using IP addresses? Physical Layer Data Link Layer Transport Layer Network Layer 6 / 24 Which layer of the OSI model is responsible for establishing, managing, and terminating communication sessions? Transport Layer Application Layer Session Layer Network Layer 7 / 24 Which of the following best describes the Session Layer? It provides secure file transfer It manages data transmission across multiple systems It establishes, maintains, and ends communication sessions It translates data formats between different systems 8 / 24 At which OSI layer does a network switch operate primarily? Application Layer Data Link Layer Transport Layer Network Layer 9 / 24 What is the main function of the Network Layer in the OSI model? Providing the user interface Addressing and routing data packets Error detection Data compression 10 / 24 Which OSI layer ensures that data is delivered from one device to another in the correct order? Transport Layer Application Layer Data Link Layer Network Layer 11 / 24 The OSI model's Transport Layer ensures that data is transferred reliably. What protocol is typically used at this layer? HTTP TCP IP Ethernet 12 / 24 Which layer of the OSI model defines network interface cards (NICs) and cables? Physical Layer Data Link Layer Network Layer Transport Layer 13 / 24 Which layer is directly responsible for transmitting raw bits over a physical medium? Physical Layer Data Link Layer Transport Layer Application Layer 14 / 24 The Presentation Layer is responsible for what? Providing the user interface Error detection Data format translation End-to-end flow control 15 / 24 Which OSI layer is responsible for routing packets across different networks? Data Link Layer Network Layer Transport Layer Application Layer 16 / 24 Which of the following is NOT a function of the Transport Layer? Flow control Error detection Routing of data End-to-end communication 17 / 24 The Physical Layer of the OSI model corresponds to which of the following? Software protocols Hardware transmission of bits Data encryption Error checking 18 / 24 At which layer of the OSI model does encryption typically occur? Presentation Layer Application Layer Session Layer Data Link Layer 19 / 24 Which layer of the OSI model handles session management, including opening, closing, and managing sessions? Application Layer Session Layer Transport Layer Network Layer 20 / 24 Which OSI layer is responsible for error detection and correction? Application Layer Network Layer Data Link Layer Transport Layer 21 / 24 Which layer of the OSI model manages data routing and addressing? Network Layer Transport Layer Physical Layer Data Link Layer 22 / 24 The OSI model’s Layer 2 is known as what? Transport Layer Network Layer Data Link Layer Application Layer 23 / 24 Which layer of the OSI model is responsible for end-to-end communication? Application Network Transport Data Link 24 / 24 How many layers are there in the OSI model? 5 6 7 8 Your score is 0% Restart quiz Quick Links Return to CompTia N+ 10-009 Objectives
