| Exam 300-070 | Question id=3578 | Describe the Basic Operation and Components Involved in a Call | 
        Which two codecs are the best codecs to use in WAN and LAN?
      
| A. | 
            WAN codec G.711 | |
| B. | 
            LAN codec G.729 | |
| C. | 
              WAN codec G.729 | |
| D. | 
              LAN codec G.711 |