Tagging JN0-364 Practice Questions (Page 1)

Questions 1–5

1. 1foundation · easy

   What is the purpose of the EtherType field in an 802.1Q VLAN tag?

   • AIt indicates the length of the Ethernet frame.
   • BIt identifies the VLAN to which the frame belongs.
   • CIt marks the frame as an 802.1Q-tagged frame.
   • DIt carries the priority of the frame.
   Reveal Solution Discussion Select an answer first
2. 2application · easy

   A network engineer is analyzing a packet capture from a trunk port. The capture shows a frame with an 802.1Q header containing a VLAN ID of 100 and a PCP value of 5. What does the PCP value indicate?

   • AThe frame is a Q-in-Q frame with an outer tag of 5.
   • BThe frame has a priority of 5 for QoS purposes.
   • CThe frame belongs to VLAN 5.
   • DThe frame is untagged.
   Reveal Solution Discussion Select an answer first
4. 3foundation · easy

   What distinguishes a tagged frame from an untagged frame?

   • AUntagged frames carry a VLAN ID of 0.
   • BTagged frames are always larger than untagged frames.
   • CTagged frames are only used on access ports.
   • DTagged frames include an 802.1Q header with VLAN information; untagged frames do not.
   Reveal Solution Discussion Select an answer first
5. 4foundation · easy

   How does Q-in-Q tagging affect the Ethernet frame?

   • AIt removes the existing VLAN tag and adds a new one.
   • BIt increases the MTU to 9000 bytes.
   • CIt adds an additional 802.1Q tag to the frame.
   • DIt modifies the source MAC address.
   Reveal Solution Discussion Select an answer first
6. 5foundation · easy

   What is the primary purpose of Q-in-Q tunneling?

   • ATo reduce the size of Ethernet frames.
   • BTo preserve customer VLAN IDs across a service provider network.
   • CTo replace the customer's VLAN ID with a provider VLAN ID.
   • DTo encrypt customer traffic.
   Reveal Solution Discussion Select an answer first