Q3. Choose the correct answer :- 1- Which layers are network support layers? b. session Layer a. Physical Layer c. Application Layers 2-What are the responsibilities of Data Link Layer? a. Framing b. Encryption c. Mail services 3- What are the types of errors? a. Compression b. Redundancy c. Single-Bit 4- What are the responsibilities of Application Layer? a. Flow Control b. Translation c. Mail services 5- application layer protocols? a. TFTP b. ICMP c. (ARP) 6- Why would a Layer 2 switch need an IP address? a. to enable the switch to send broadcast frames to attached PCs Ь to enable the switch to function as a default gateway

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A: Here is the solution:

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A: Given question are multiple choice selected question so we provide detailed explanation below.

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Q: D

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A: The solution is an given below : Answer is Presentation layer and session layer

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