A network administrator recently used tracert to trace the path to the destination IP address of an external website, however the trace path displayed only a timeout result.
Which of the following statements correctly explains the reason for this? (Choose two)

• A.The source router had shutdown the ICMP function.
• B.This is a normal phenomenon.
• C.This destination IP address does not exist.
• D.The gateway cannot find a route to the destination.

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On the network shown in the figure, host A logs into router A through Telnet and obtains the configuration file of the Router B through FTP on the remote CLI. How many TCP connections exists on Router A?

• A.3
• B.4
• C.1
• D.2

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The VRP operating system commands are divided into four levels: access level, monitoring level, configuration level, and management level. Can run various business configuration commands but not Which level of operating file system?

• A.Configuration level
• B.Management level
• C.Monitoring level
• D.Access level

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