Networking ConceptsPregunta 18 de 100
Which IEEE standard defines VLAN tagging on Ethernet trunk links?
a.802.1Q
b.802.3af
c.802.11ac
d.802.1X
Explicación
IEEE 802.1Q defines the frame tagging method used to carry multiple VLANs across a trunk link. 802.3af covers PoE, 802.11ac is Wi-Fi, and 802.1X is port-based access control. The 802.1Q tag adds a 4-byte field to the Ethernet frame.
Practica las 100 preguntas gratis — sin registro.
Preguntas relacionadas de este tema
- What distinguishes UDP from TCP at the Transport layer?
- A /24 network needs to be divided into four equal subnets. Which new prefix length should be used?
- Which network device forwards frames based on MAC address tables and operates primarily at Layer 2?
- What is the purpose of a default gateway on a host's IP configuration?
- Which frequency band and standard pairing offers wider channels and higher throughput but shorter range?
- Which protocol uses TCP port 22 to provide encrypted remote command-line access?
Última revisión: · proceso editorial
Equipo Editorial de PrepPass · Verificado con CompTIA Network+ (N10-009) · Cómo revisamos