Question 46
The Protocol field in the IP header identifies the protocol used by the upper layer. Which of the following field values indicates that the upper layer protocol is UDP protocol?
Question 47
The VRRP advertisement packet of the Huawei USG firewall is a multicast packet. Therefore, each firewall in the backup group must be able to implement direct Layer 2 interworking
Question 48
When establishing their own information systems, companies check each operation according to internationally established authoritative standards and can check whether their information systems are safe
Question 49
The tunnel addresses at both ends ofthe GRE tunnel can be configured as addresses of different network segments.
Question 50
Which ofthe following are the standard port numbers for the FTP protocol? (Multiple choice)