NO.262 Which of the following commands can be used to view the router’s CPU usage?

NO.263 The classic network forwarding method is based on router routing table forwarding. The forwarding method of OpenFlow switches is based on flow table forwarding. Which of these two forwarding methods are correct? (Multiple Choice)

NO.264 The following rules exist in a certain ACL of the router. rule deny tcp source 192.168.1.0 0.0.0.255 destination 172.16.10.1 0.0.0.0 destination-port eq 21 Which statement is correct?

NO.265 Which of the following statements about Adjacency Segment is wrong?

NO.266 NFV (Network Functional Virtualization), network function virtualization realizes the deployment of network applications in a software-based way.

NO.267 In the network shown in the figure below, the bridge ID of the switch has been marked. Enter the command stp root secondary on the SWD switch, and which of the following switch will become the root bridge of this network?

NO.268 The broadcast address is a special address in which the host bits in the network address are all set to 1, and it can also be used as a host address.

NO.269 RADIUS is a common protocol to implement AAA.

NO.270 The router output information is shown in the figure. Which of the following statements is wrong?

NO.271 In the network shown in the figure below, the output information of switch A is shown in the figure. Then in the MAC address table of switch A, which interface does the MAC address of host B correspond to?

NO.272 The G0/0/1 interface configuration information of router A is shown in the figure. Which of the following statements is correct? (Multiple choice)

NO.273 SNMPv1 defines 5 protocol operations.

NO.274 Apply the ACL configured as shown in the figure in Telnet. Only the device with the IP address of 172.16.105.2 is allowed to log in remotely:
#
acl number 2000
rule 5 permit source 172.16.105.2 0
#

NO.275 Which fields in the IPv4 header are related to fragmentation? (Multiple Choice)

NO.276 On the VRP platform, the default protocol priority of routes in the direct routing, static routing, RIP, OSPF area is:

NO.277 By default, in the SNMP protocol, which port number does the agent process use to send alarm messages to NS?

NO.278 A DHCP server is deployed in the network, but the administrator found that some hosts did not correctly obtain the address specified by the DHCP server. What are the possible reasons? (Multiple choice)

NO.279 In the STP protocol, which of the following factors will affect the election of the root switch? (Multiple choice)

NO.280 ip route-static 10.0.2.2 255.255.255.255 10.0.12.2 preference 20. Which is correct about this command? (Multiple Choice)

NO.281 By default, network devices running SNMPv2c protocol use which of the following port numbers to send trap messages to the network management system?

NO.282 The network administrator uses Ping to test the connectivity of the network. Which of the following protocols may be used in this process? (Multiple choice)

NO.283 The information shown in the figure is the port status information displayed on a switch running STP. According to this information, which of the following description is wrong?

NO.284 The router running OSPF can reach the FULL state after LSDB synchronization is completed.

NO.285 VRP operating system commands are divided into 4 levels: access level, Monitoring level, Configuration level, and Management level. Which level can run various business configuration commands but cannot operate the file system?