单选题Telneting from any machine on the network is taking 75 seconds. Which of the following procedures should be checked to correct the error?（）ACheck /etc/hosts. BCheck /etc/resolv.conf. CCheck for packet errors. DCheck to see if the master server is up
题目
单选题
Telneting from any machine on the network is taking 75 seconds. Which of the following procedures should be checked to correct the error?（）
A
Check /etc/hosts.
B
Check /etc/resolv.conf.
C
Check for packet errors.
D
Check to see if the master server is up.