Table:
0
A
B
C
D
E
F
1
Model number
Printer ports
Network ports
Network protocols
Firmware
Notes
2
EX Plus
One Parallel
10Base-2 and 10Base-T
TCP/IP, IPX/SPX, and DLC/LLC
Flash EEPROM
BOOTP & DHCP Client
3
EX Plus3
Three Parallel
10Base-2 and 10Base-T
TCP/IP, IPX/SPX, AppleTalk, and DLC/LLC
Flash EEPROM
DHCP Client (not BOOTP)
4
170x
One Parallel ( IEEE 1284.4)
One RJ45 10Base-T Ethernet
TCP/IP, IPX/SPX, and DLC/LLC
Non-upgradeable
Discontinued
5
175x
One USB 1.0
One RJ45 10/100Base-TX Ethernet
TCP/IP, AppleTalk, LPD (Windows and Mac OS only)
Non-upgradeable
Discontinued in favor of the en1700
6
310x
One USB 1.0
One RJ45 10/100Base-TX Ethernet
TCP/IP, IPX/SPX, AppleTalk, and DLC/LLC
2 MB
Discontinued in favor of the en3700

Questions and formulas:
Question: What's the type of printer ports in the model number EX Plus3?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,A1="EX Plus3"),2))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F6,A2:A6="EX Plus3"),2))
Level: medium
Question: What is the number of the model with three parallel printer ports?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,B1="Three Parallel"),1))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F6,B2:B6="Three Parallel"),1))
Level: medium
Question: What is the type of the printer ports included in the EX Plus3 model number?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,A1="EX Plus3"),2))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F6,A2:A6="EX Plus3"),2))
Level: medium
Question: What are the network protocols for the model that has been discontinued in favor of the EN1700?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,F1="Discontinued in favor of the en1700"),4))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F6,F2:F6="Discontinued in favor of the en1700"),4))
Level: medium