GB0-191-ENU Exam Question 66
A DNS client queries the local domain name server for the IP address of www.sina.com.cn, and the local domain name server usually responds by means of DNS query?
GB0-191-ENU Exam Question 67
When using the ping command on the MSR router, you can use the ______ parameter to set the length of the sent ICMP packet. size
GB0-191-ENU Exam Question 68
If you want to upgrade the router but do not have a network cable, you can use the configuration cable and use the ______ protocol to upgrade through HyperTerminal.
GB0-191-ENU Exam Question 69
For the understanding of packet switching, the correct one of the following statements is ______. (Multiple choice)
GB0-191-ENU Exam Question 70
Ping is actually an application developed based on the ______ protocol.