Which of the following routing protocols do NOT support VLSM (variable length subnet masking)?（）
- A、RIPv1
- B、IGRP
- C、EIGRP
- D、OSPF
- E、IS-IS
- F、RIPv2
正确答案:A,B
答案解析:有
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Which of the following routing protocols do NOT support VLSM (variable length subnet masking)?（）
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