EENG 4342 Comuser Networks e te time it took for the reply to be ueied d all of
ID: 3590673 • Letter: E
Question
EENG 4342 Comuser Networks e te time it took for the reply to be ueied d all of the ahove c CRC coding d. Both (a) and (b) 5. Which layer of OSI model do Switches in Edhemet opem a Presentation b. Network d. Data link 6 Which of the following layer is used to handle Encoding Data link layer b. Network layer c· Physical layer d. Transpon layer 7, CSACD is MAC protocol used for a Channel portioning b. Random access Token ring d. All of the above & Ethernet hub is a device at a. b. Physical layer Data link layer Page 1 Midterm EENG7737Explanation / Answer
1) Switch interprets (a) MAC address of the destination host and sends frame.
2) its a MAC address, (b) MAC Address also known as Physical address is a unique identifier of a device and is 48bit long of the format MM:MM:MM:SS:SS:SS
3) (d) all of the above , as all this information is present in the ping command result to check the connection with the hosted site
4) (c) CRC coding, which is used to check if there is an error in the received data or not,
5)(a) Layer 2 i.e the Data Link layer of the OSI model.
6)(b) Layer 2 i.e Data link layer data packets are encoded and decoded into bits.
7)(d) CSMA/CD in MAC is used for all.
8) (a) Ethernet hubs are present in physical Layer
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