Q249. Which of the following IPv4 addresses can be used by a host to directly access the Internet?

Q250. Which of the following statements about VLANIF interfaces are correct?

Q251. VRP supports OSPF multi-process. If the process number is not specified when 0SPF is enabled, the process number used by default is ().

Q252. Which of the following statements about router-on-a-stick are correct? (Multiple Choice)

Q253. The configuration of the country code will affect the actual transmission frequency and maximum transmission power.

Q254. Which of the following statement about the main functions of the router is wrong? (Multiple choice)

Q255. If the MAC address of an interface is 0OEO-FCEF-OFEC, what is its corresponding EUI-64 address?

Q256. If the value of the Type/Length field of an Ethernet data frame is 0 x 0800, the length of the upper layer message header carried by this data frame is in the range of 20-60B.

Q257. What is the data link layer MAC address of each VAP on the AP?

Q258. Which of the following packet types is used by RADIUS to indicate authentication rejection?

Q259. Which extension headers are supported by IPv6 packets? (Multiple choice)

Q260. Connection between switches and hosts, which port link type is often used by the switch?

Q261. The two switches shown in the figure below have both enabled the STP protocol. Which port will eventually be in the Blocking state?

Q262. The router output information is shown in the figure. Which of the following statements is wrong?

Q263. UDP cannot guarantee the reliability of data transmission, and does not provide the functions of message sequencing and flow control. It is suitable for flows with low transmission reliability requirements but high transmission speed and delay requirements.

Q264. In the STP protocol, which of the following factors will affect the election of the root switch? (Multiple choice)

Q265. Which of the following are related to the purpose of encapsulation and decapsulation? (Multiple choice)

Q266. Which of the following statements about the edge port in the RSTP protocol is correct?

Q267. If the transport layer protocol is UDP, the value of the network layer Protocol field is 6.