aboutVGMPDescription of the managed preemption function, which of the following is false?

By default,VGMPThe preemption function of the management group is enabled
By default,VGMPThe preemption delay time of the management group is40s
Preemption means that when the original faulty master device recovers, its priority will be restored. At this time, it can preempt its own state as the master device again.
whenVRRPBackup group added toVGMPAfter managing the group,VRRPThe original preemption function on the backup group fails

Answer(s): B

existIPSec VPNIn the transmission mode, which part of the encrypted data packet is?

Answer(s): D

aboutwindowslog, which of the following descriptions is false?

System logs are used to record events generated by operating system components, mainly including crashes of drivers, system components and application software, and data
windows server 2008The system logs are stored inApplication.evtxmiddle
The application log contains events recorded by applications or system programs, mainly recording program operation events
windows server 2008The security log is stored insecurity.evtxmiddle

Answer(s): B

againstIPspoofing attack (IP Spoofing), which of the following is an error?

IPSpoofing attacks are based onIPaddress trust relationship to initiate
IPAfter a successful spoofing attack, the attacker can use forged arbitraryIPThe address impersonates a legitimate host to access key information
The attacker needs to put the sourceIPlandaddress masquerading as a trusted host and sendSYNmarkNote the data segment request connection
based onIPThe hosts in the trust relationship of the addresses can log in directly without entering password authentication.

Answer(s): C

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