VLAN configuration concepts, routing protocol basics, and switching fundamentals tested on the Cisco CCNA exam.
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- What does VLAN stand for?
- Virtual Local Area Network
- What is the primary purpose of a VLAN?
- To logically segment a physical network into separate broadcast domains
- What is the default VLAN on a Cisco switch?
- VLAN 1
- Can devices in different VLANs communicate directly without a router?
- No, a router or Layer 3 switch is required
- What is VLAN tagging?
- The process of adding VLAN identification information to Ethernet frames
- What is the standard VLAN ID range for normal use?
- 1 to 1005
- What is a trunk port?
- A switch port configured to carry traffic for multiple VLANs
- Which VLAN tagging standard does Cisco use on trunk ports?
- IEEE 802.1Q
- What is an access port?
- A switch port that belongs to and carries traffic for a single VLAN
- What is a native VLAN on a trunk?
- The VLAN whose frames are sent untagged on a trunk port
- What is MAC address learning in switching?
- The process of a switch recording source MAC addresses and the ports they arrive on
- What does a switch do with a unicast frame destined for an unknown MAC address?
- It floods the frame to all ports except the incoming port
- What is the MAC address table on a switch also called?
- The CAM table, or Content Addressable Memory table
- What does STP stand for?
- Spanning Tree Protocol
- What is the primary purpose of Spanning Tree Protocol?
- To prevent switching loops and block redundant paths while allowing failover