Problem solved using GRML. Works right out of the box unlike Knoppix.
The following are the dmesg and iwconfig info I got using knoppix 4.0.2 on my laptop. Does this mean that my wireless interface has been detected by knoppix and should work?
dmesg:
eth1: 11b rates: 1Mbps 2Mbps 5.5Mbps 11Mbps
eth1: 11g rates: 1Mbps 2Mbps 5.5Mbps 11Mbps 6Mbps 9Mbps 12Mbps 18Mbps 24Mbps 36Mbps 48Mbps 54Mbps
eth1: mac 7.8 phy 4.5 radio 5.6
eth1: 802.11 address: 00:16:de:5c:db:00
eth1: Use hw queue 0 for WME_AC_BE traffic
eth1: Use hw queue 1 for WME_AC_BK traffic
eth1: Use hw queue 2 for WME_AC_VI traffic
eth1: Use hw queue 3 for WME_AC_VO traffic
eth1: Atheros 5212: mem=0xb0100000, irq=21
iwconfig
eth1 IEEE 802.11g ESSID:""
Mode:Managed Frequency:2.462 GHz Access Point: 00:23:CF:58:48:B7
Bit Rate:1 Mb/s Tx-Power:50 dBm Sensitivity=0/3
Retryff RTS thr
ff Fragment thr
ff
Encryption keyff
Power Managementff
Link Quality=0/94 Signal level=-95 dBm Noise level=-95 dBm
Rx invalid nwid:746 Rx invalid crypt:0 Rx invalid frag:0
Tx excessive retries:0 Invalid misc:0 Missed beacon:0
Problem solved using GRML. Works right out of the box unlike Knoppix.

Cisco Nexus N9K-C92160YC-X 48P 25GbE SFP28 6P QSFP+/QSFP28 PE Switch
$439.00
Cisco WS-C3650-12X48UR-L 48-Port Stackable Layer 3 8x10G SFP+ Port Switch
$129.99
Cisco Catalyst C9130AXI-B WiFi 6 802.11ax Wireless Access Point Brand New
$101.99
Cisco Acacia DP04QSDD-E25-840 400G QSFP-DD Coherent DCO Transceiver Module
$699.99
Cisco | N3K-C3232C | 32-Port 100G QSFP Network Switch W/ 2x PSU, 2x Power Cords
$205.00
Cisco Catalyst WS-C2960X-48FPD-L 48-Port Gigabit Managed PoE+ Ethernet Switch
$69.99
CISCO Services Router C891F-K9, Grade B, SKU 16188
$24.94
Genuine Cisco SFP-10G-SR 0-2415-03 10 Gigabit Transceiver
$5.40
Cisco Catalyst WS-C2960+24TC-S 24-Port Gigabit Managed SFP Switch
$39.99
CISCO INDUSTRIAL SWITCH IE-3100-8T2C-E New
$1049.00