A. {     “hostname”: “edge_router_1”     “interfaces”:  {          “GigabitEthernet1/1”         “GigabitEthernet1/2”          “GigabitEthernet1/3”     }}
                                            
                                         
                                        
                                            
                                                B. {     “hostname”: “edge_router_1”,     “interfaces”:  {          “GigabitEthernet1/1”,         “GigabitEthernet1/2”,          “GigabitEthernet1/3”,     },}
                                            
                                         
                                        
                                            
                                                C. {     “hostname”: “edge_router_1”     “interfaces”:  [          “GigabitEthernet1/1”         “GigabitEthernet1/2”          “GigabitEthernet1/3”     ]}
                                            
                                         
                                        
                                            
                                                D. {     “hostname”: “edge_router_1”,     “interfaces”:  [          “GigabitEthernet1/1”,         “GigabitEthernet1/2”,          “GigabitEthernet1/3”     ]}