Assessment Test

  1. What is the sys-id-ext field in a BPDU used for?
    • It is a 4-bit field inserted into an Ethernet frame to define trunking information between switches.
    • It is a 12-bit field inserted into an Ethernet frame to define VLANs in an STP instance.
    • It is a 4-bit field inserted into an non-Ethernet frame to define EtherChannel options.
    • It is a 12-bit field inserted into an Ethernet frame to define STP root bridges.
  2. You have four RSTP PVST+ links between switches and want to aggregate the bandwidth. What solution will you use?
    • EtherChannel
    • PortFast
    • BPDU Channel
    • VLANs
    • EtherBundle
  3. What configuration parameters must be configured the same between switches for LACP to form a channel? (Choose three.)
    • Virtual MAC address
    • Port speeds
    • Duplex ...

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