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An LSA can be spoofed.
True
False
The phantom router sends to the victim router a spoofed LSA that appears to be the last one the victim router sent out. The spoofed LSA is accepted as legitimate because it has been crafted to have the appropriate LSA sequence number, checksum and age – the three things OSPF checks to determine the legitimacy of LSAs.
http://www.networkworld.com/article/2179879/security/black-hat--routers-using-ospf-open-to-attacks.html
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