Cisco IoT Essentials for System Engineers - 700-821 Exam Questions [2026]

Cisco IoT Essentials for System Engineers - 700-821 Exam Questions

QUESTION NO: 1
How are the power inputs labeled A and B of IE3400 used?

A. Both inputs are connected, and the power budget is the sum of both power inputs. B. Both inputs are connected and used to daisy chain to power another switch. C. Both inputs are connected: only one is active, and the other is on standby. D. It can only wire one of the power inputs.

Correct Answer: C

QUESTION NO: 2
Which two features are available on an IR1831 router? (Choose two.)

A. WiFi6 Module B. mSATA Module C. PoE D. GPIO E. CANBus

Correct Answer: B,C

QUESTION NO: 3
Which power supply supports both AC and DC input?

A. PWR-IE50W-AC-IEC= B. PWR-IE65W-PC-AC= C. PWR-IE65W-PC-DC= D. PWR-IE-170W-PC-DC=

Correct Answer: B

QUESTION NO: 4
Which IW9167E adapters are designed for shock and vibration resistance?

A. M8 B. RJ45 C. M10 D. M12

Correct Answer: D