False about gram-positive cocci is
The enterococcus group strains are resistant to penicillin and other antibiotics occur frequently. So, it is essential to perform antibiotic sensitivity for proper therapy. They are intrinsically resistant to cephalosporins and offer low-level resistance to aminoglycosides. Reference: Textbook of Microbiology; Anathanarayan and panicker's; 10th edition; Page no: 220