How are VLAN hopping attacks mitigated?

• A.enable dynamic ARP inspection
• B.configure extended VLANs
• C.activate all ports and place in the default VLAN
• D.manually implement trunk ports and disable DTP

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What interconnection cable can you use when you use a MDI connection?

• A.crossover
• B.straight-through
• C.rollover
• D.cut-through

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Refer to the exhibit. C-router is to be used as a "router-on-a-stick" to route between the VLANs.
All the interfaces have been properly configured and IP routing is operational. The hosts in the VLANs have been configured with the appropriate default gateway.
What is true about this configuration?

• A.These commands need to be added to the configuration:
  C-router(config)# router eigrp 123
  C-router(config-router)# network 172.19.0.0
• B.These commands need to be added to the configuration:
  C-router(config)# router ospf 1
  C-router(config-router)# network 172.19.0.0 0.0.3.255 area 0
• C.These commands need to be added to the configuration:
  C-router(config)# router rip
  C-router(config-router)# network 172.19.0.0
• D.No further routing configuration is required.

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What are two requirements for an HSRP group? (Choose two.)

• A.exactly one active router
• B.one or more standby routers
• C.one or more backup virtual routers
• D.exactly one standby active router
• E.exactly one backup virtual router

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Refer to the exhibit. PC1 is trying to ping PC3 for the first time and sends out an ARP to S1 Which action is taken by S1?

• A.It is flooded out every port except G0/0.
• B.It forwards it out interface G0/2 only.
• C.It drops the frame.
• D.It forwards it out G0/3 only

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