Lesson 2.2.6 Practice Questions

Which of the following tasks is associated with the Session layer? a. Connection establishment. b. Data block breakdown. c. Port number assignment. d. IP address assignment.

Connect answer: A Connection establishment

In the OSI model, what is the primary function of the Network layer? a. Route messages between networks. b. Ensure that packets are delivered with no loss or duplication. c. Transmit data frames. d. Enable communication between network clients and services.

Correct answer: A Route messages between networks.

What is the basic purpose of the OSI Physical layer? a. Define how physical network devices are identified on a network. b. Maintain a list of known networks and neighboring routers. c. Coordinate rules for sending and receiving electrical signals. d. Define when devices have access to the LAN.

Correct answer: C Coordinate rules for sending and recieving electrical signals.

Match each networking function or device on the left with the associated OSI model layer on the right. (Terms) Switch, Router, Session ID Number, HTTP, Encapsulation, Modem, Port Number Application Layer [ ] Presentation Layer [ ] Session Layer [ ] Transport Layer [ ] Network Layer [ ] Data Link Layer [ ] Physical Layer [ ]

Correct answers: Application Layer [HTTP] Presentation Layer [Encapsulation] Session Layer [Session ID Number] Transport Layer [Port Number] Network Layer [Router] Data Link Layer [Switch] Physical Layer [Modem]

Match each layer of the TCP/IP model on the left with the corresponding layer of the OSI model on the right. Each option on the left can be used more than once. (Terms) Application, Internetwork, Transport, Network Presentation Layer [ ] Data Link Layer [ ] Application Layer [ ] Session Layer [ ] Network Layer [ ] Transport Layer [ ]

Correct answers: Presentation Layer [Application] Data Link [Network] Application Layer [Application] Session Layer [Application] Network Layer [Internetwork] Transport Layer [Transport]

During TCP/IP communication between two network hosts, information is encapsulated on the sending host and decapsulated on the receiving host using the OSI model. Match the information format on the left with the appropriate layer of the OSI model on the right. (Terms) Bits, Segments, Frames, Packets Transport Layer [ ] Network Layer [ ] Data Link Layer [ ] Physical Layer [ ]

Correct answers: Transport Layer [Segments] Network Layer [Packets] Data Link Layer [Frames] Physical Layer [Bits]

Which of the following are included as part of the Data Link layer specifications? (Select two.) a. Data transmission between hosts. b. Physical topology. c. Physical network device identification. d. Cable and connector specifications. e. Digital data conversation.

Correct answers: A and C Data transmission between hosts. Physical network device identification.

In the OSI model, which of the following functions are performed at the Application layer? (Select two.) a. Communication setup, maintenance, and teardown. b. Integration of network functionality into the host operating system. c. Enabling communication between network clients and services. d. Device control for data transmission rates. e. Standard setting for sending and receiving signals.

Correct answers: B and C Integration of network functionality into the host operating system. Enabling communication between network clients and services.

In the OSI model, which of the following functions are performed at the Presentation layer? (Select two.) a. Network services. b. End-to-end flow control. c. Data format specifications. d. Data frame transmission. e. Data encryption and compression.

Correct answers: C and E Data format specifications. Data encryption and compression.

Which of the following functions are performed by the OSI Transport layer? (Select three.) a. Media access control, logical topology, and device identification. b. Packet formatting for delivery through the medium. c. Data segmentation and reassembly. d. Path identification and selection. e. End-to-end flow control. f. Reliable message delivery. g. Consistent data formatting between dissimilar systems.

Correct answers: C, E and F Data segmentation and reassembly. End-to-end flow control. Reliable message delivery.