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The Transport layer is responsible for connection services that provide reliable message delivery throughĮrror detection and correction mechanisms. Question 11: Which OSI model layer is responsible for guaranteeing reliable message delivery?
Testout lab 10.6 mac#
The MAC sublayer also provides devices with access to ThisĪddress is usually assigned by the manufacturer. The MAC sublayer defines a unique MAC or data-link address for each device on the network. Incorrect Answer: Creating routing tables based on MAC addresses Incorrect Answer: Mapping hardware addresses to link-layer addressesĬorrect Answer: Defining a unique hardware address for each device on the networkĬorrect Answer: Letting devices on the network have access to the LAN Question 10: Which of the following are functions of the MAC sublayer? (Select two.) Frame transmission occurs at the Physical layer. The Transport layer and the Data Link layer. Flow control and error detection are provided at both Through session IDs and maintains those sessions. The Session layer maintains separate client connections The Application layer provides network services. The Presentation layer encrypts data, changes and converts character sets, and compresses data. Incorrect Answer: Handle general network access, flow control, and error recoveryĬorrect Answer: Encrypt and compress data Incorrect Answer: Provide network services Incorrect Answer: Maintain separate client connections Question 6: In the OSI model, which of the following functions are performed at the Presentation layer?Ĭorrect Answer: Specify data format (such as file formats) Incorrect Answer: Acknowledgement coordinationĬonnection establishment is controlled through Session layer protocols.
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Incorrect Answer: Transmission synchronization Incorrect Answer: Host ID number assignment Question 5: Which of the following tasks is associated with the Session layer? The Network layer is responsible for routing messages between networks. Incorrect Answer: Ensures that packets are delivered with no loss or duplication Incorrect Answer: Allows applications to establish, use, and end a connection Question 4: In the OSI model, what is the primary function of the Network layer?Ĭorrect Answer: Routes messages between networks The other functions listed here are performed by the Physical layer. The Data Link layer controls device identification on networks, as well as how messages travel through Incorrect Answer: Synchronizing individual bits as they are transmitted through the network. Incorrect Answer: Composing electrical signals as they pass through the transmission medium. Question 3: Which of the following are included as part of Data Link layer specifications? (Select two.)Ĭorrect Answer: Identifying physical network devices.Ĭorrect Answer: Controlling how messages are propagated through the network. The OSI Physical layer coordinates rules for transmitting bits. Incorrect Answer: Coordinates rules for managing network servers. Incorrect Answer: Coordinates rules for routing packets. Incorrect Answer: Defines basic physical structures, such as disks. Question 2: What is the basic purpose of the OSI Physical layer?Ĭorrect Answer: Coordinates rules for transmitting bits.
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Data formatting is performed at the Presentation layer. Path identification and selection is a function of Media access, logical topology,Īnd device identification occurs at the Data Link layer. Message transmission through media is performed at the Physical layer. The Transport layer is responsible for breaking upper-layer data into segments and allowing reliableĬommunications through end-to-end flow control, error detection, and error correction. Incorrect Answer: Consistent data formatting between dissimilar systemsĬorrect Answer: Reliable message delivery Incorrect Answer: Path identification and selection Incorrect Answer: Format packets for delivery through the media Incorrect Answer: Control media access, logical topology, and device identificationĬorrect Answer: Data segmentation and reassembly
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Question 1: Which of the following functions are performed by the OSI Transport layer? (Select three.)