Question 1
Refer to the graphic, 00e0-fc99-9999 is a specific host MAC address learned by a switch through ARP and the host changes the IP address three times.
Question 2
As shown in the following figure, the switch configuration information is as follows. According to the network and configuration, which of the following statements are correct? (Multiple Choice) Router B interface Serial1/0/0 link-protocol ppp ip address 10.0.21.1 255.255.255.0
#
ospf 1 router-id 10.0.21.1
area 0.0.0.0
network 10.0.21.1 0.0.0.0
#
Router A
interface Serial1/0/0
link-protocol ppp
ip address 10.0.12.1 255.255.255.0
#
ospf 1 router-id 10.0.12.1
area 0.0.0.0
network 10.0.12.1 0.0.0.0
#
Question 3
As shown in the figure below, what is the scope of AH protocol authentication in IPsec transmission mode?
Question 4
When the switch receives a unicast data frame, it will look up the destination MAC address in the MAC table. Which of the following statement is wrong?
Question 5
The network administrator wants to be able to effectively use the IP address of the 192.168.176.0/25 network segment. Now the company's marketing department has 20 mainframes, it is best to assign which of the following address segment to the marketing department?