According to veranta, the lectern is false. With respect to the wood, the wood is true. The necklace is false because it has a dependent existence on the gold. So premium and pramata have no independent existence. Can you be consciousness without knowing something? Possibly yes. If if all my instruments of knowledge are removed, i can't see, hear, smell, touch or think then i just am. I have no knowledge about myself also, or anything else. Nama rupa vevahar. It's not so difficult. Look at it in your own existence. You as a knower, doesn't your status as aknower depend on your being consciousness
Swami Sarvapriyananda teaches one of the shortest and most profound upanishads accompanied by Gaudapada's Karika. This lecture covers Mantra 2.