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Which WAN encapsulations can be configured on an asynchronous serial connection? 1. PPP 2. ATM 3. HDLC 4. SDLC 5. Frame Relay. Choose the correct option?

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Which WAN encapsulations can be configured on an asynchronous serial connection? 1. PPP 2. ATM 3. HDLC 4. SDLC 5. Frame Relay. Choose the correct option? Answer: 1 and 2

The correct options for WAN encapsulations that can be configured on an asynchronous serial connection are 1. PPP, 3. HDLC, and 5. Frame Relay.

Question context

This question is part of 🌐 Networking within the broader 💾 Computer Science subject and appears in the SPSC – Sindh Public Service Commission preparation collection. Reviewing the answer together with nearby questions helps reinforce the underlying concept and identify how it may appear in competitive exams.