The picture shows the display startup information of AR2200 router. Regarding these information, which of the following statement iswrong?

• A.next system startup file system can use the command "startup system software <startup-software-name>" to modify
• B.The system file cannot be modified when the device is started next time
• C.The running configuration file is not saved
• D.The system file used by the device this time is ar2220-v200r003c00spc00.cc

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A certain ACL of the router is in the following rules, rule deny source 192.168.2.0 0.0.0.255 destination 172.16.10.2 0.0.0.0 Which statement is correct?

• A.All TCP packets whose source IP is 172.16.10.2 and destination IP 192.168.2.0 match this rule
• B.All TCP packets whose source IP is 192.168.2.1 and destination IP is 172.16.10.1 match this rule
• C.All TCP packets whose source IP is 192.168.2.1 and destination IP is 172.16.10.2 are configured with this rule.
• D.All TCP packets whose source IP is 172.16.10.2. Destination IP is 192.168.2.1 match this rule

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Is there any correct statement about the shortcut keys of the VRP operating platform? ()*

• A.Stop the current command
• B.CTRL
• C.TAB. Prompt for the most recently entered command
• D.The left cursor key (<) moves the cursor one place to the left.
• E.CTRL+Z back to user view

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

• A.Hop-by-hop option extension header
• B.VLAN extension header
• C.Destination option extension header
• D.Fragmentation extension header

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Which of the following descriptions of wireless devices is correct? ()

• A.The wireless controller AC is generally located at the convergence layer of the entire network, providing high-speed, safe and reliable VLAN services
• B.FIT AP generally independently completes user access, authentication, service forwarding and other functions
• C.FAT AP. Generally work with wireless controller
• D.The wireless device does not have a wired interface

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