Free H12-891_V1.0 Exam Braindumps (page: 22)

Page 22 of 153

As shown in the figure, three switches S1, SW, and SN3, where SWI is the root bridge, and
link congestion occurs between SI and SW2, SWD cannot receive the configuration BPDU sent by the root bridge, which spanning tree protection mechanism does the administrator need to configure to prevent the problem caused by link congestion?( Single choice questions).

  1. root protection
  2. PreventS TC-BPDU attacks
  3. BPDU Protection
  4. Loop Protection

Answer(s): D



The HTTP protocol is based on TCP, so http Flood attacks can be defended against HTTP Flood attacks using the TCP Flood attack prevention method.

  1. True
  2. False

Answer(s): B



Firewall security policies have the condition for traffic matching to be ?( Multi-select)

  1. apply
  2. Source item security zone
  3. Source item IP address
  4. Message length

Answer(s): A,B,C



The most effective way to view device warnings through the CLI is ?

  1. Display alarm
  2. Display current-configuration
  3. Display interface brief
  4. Display clock

Answer(s): A



Page 22 of 153



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