Which two link protocols are used to carry multiple VLANs over a single link?

Which two link protocols are used to carry multiple VLANs over a single link? (Choose two.)

Which two link protocols are used to carry multiple VLANs over a single link? (Choose two.)

A.
VTP

B.
802.1q

C.
IGP

D.
ISL

E.
802.3u

Explanation:

Cisco switches can use two different encapsulation types for trunks, the industry standard
802.1q or the Cisco proprietary ISL. Generally, most network engineers prefer to use 802.1q
since it is standards based and will interoperate with other vendors.

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rm

rm

Thought this might be a good recap:

802.3 refer to the “technology” while 802.1 refer to the “architecture”

802.3:….
defining the physical layer and data link layer’s media access control (MAC) of wired Ethernet
802.3u – fast ethernet (100Mb/s)
802.3ad – LAg e.g., LACP (link Aggr Control Prot) alternative to Cisco’s PAgP. Load balancing

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