题目内容:
Windows中,在命令行输入( )命令可以得到如下的回显。?
Server: UnKnown??
Adress: 159.47.11.80??
xxx.edu.cn??
primary name server = nsl.xxx.edu.cn??
responsible mail addr = mailxxx.edu.cn??
serial = 2020061746??
refresh= 1200(20 mins)?
retry= 7200(2 hours)?
expire = 3600(1 hour)?
default TTL = 3600(1 hour)
A.nslookup -type=A xxx.edu.cn
B.nslookup -type=CNAME xxx.edu.cn
C.nslookup -type=NS xxx.edu.cn
D.nslookup-type=PTR xxx.edu.cn
参考答案:
答案解析: