Wireless interview questions

54 real Wireless questions from the Networking bank, as asked in Indian campus drives and tech interviews. Every question has a verified answer and an AI-tutor explanation on placd — free to start.

1. What is SSID?

Junior
  1. A.the human-readable name that identifies a wireless network
  2. B.serving multiple clients simultaneously using multiple spatial streams
  3. C.port-based network access control authenticating users against a central server
  4. D.interference caused when nearby APs use overlapping frequency channels
Reveal the answer + AI explanation — free account

3. Which statement is correct?

Junior
  1. A.SSID — nudging dual-band clients onto the less congested 5 GHz band
  2. B.SSID — the human-readable name that identifies a wireless network
  3. C.SSID — interference caused when nearby APs use overlapping frequency channels
  4. D.SSID — the MAC address of an access point's radio identifying a basic service set
Reveal the answer + AI explanation — free account

4. What is Access point (AP)?

Junior
  1. A.port-based network access control authenticating users against a central server
  2. B.interference caused when nearby APs use overlapping frequency channels
  3. C.a device that bridges wireless clients onto a wired network
  4. D.a Wi-Fi security standard using AES encryption with a pre-shared key or 802.1X
Reveal the answer + AI explanation — free account

6. Which statement is correct?

Junior
  1. A.Access point (AP) — a device that bridges wireless clients onto a wired network
  2. B.Access point (AP) — a device that centrally manages and configures many access points
  3. C.Access point (AP) — port-based network access control authenticating users against a central server
  4. D.Access point (AP) — a standard adding OFDMA and MU-MIMO for efficiency in dense environments
Reveal the answer + AI explanation — free account

7. What is 2.4 GHz band?

Junior
  1. A.a Wi-Fi band with higher speeds, more channels, and shorter range
  2. B.a Wi-Fi security standard using AES encryption with a pre-shared key or 802.1X
  3. C.the latest Wi-Fi security standard adding SAE to resist offline password guessing
  4. D.a Wi-Fi band with longer range but more interference and fewer channels
Reveal the answer + AI explanation — free account

9. Which statement is correct?

Junior
  1. A.2.4 GHz band — a client moving between access points while maintaining connectivity
  2. B.2.4 GHz band — the latest Wi-Fi security standard adding SAE to resist offline password guessing
  3. C.2.4 GHz band — nudging dual-band clients onto the less congested 5 GHz band
  4. D.2.4 GHz band — a Wi-Fi band with longer range but more interference and fewer channels
Reveal the answer + AI explanation — free account

10. What is 5 GHz band?

Junior
  1. A.a device that centrally manages and configures many access points
  2. B.serving multiple clients simultaneously using multiple spatial streams
  3. C.a Wi-Fi band with higher speeds, more channels, and shorter range
  4. D.a device that bridges wireless clients onto a wired network
Reveal the answer + AI explanation — free account

12. Which statement is correct?

Junior
  1. A.5 GHz band — interference caused when nearby APs use overlapping frequency channels
  2. B.5 GHz band — a device that bridges wireless clients onto a wired network
  3. C.5 GHz band — a Wi-Fi band with higher speeds, more channels, and shorter range
  4. D.5 GHz band — nudging dual-band clients onto the less congested 5 GHz band
Reveal the answer + AI explanation — free account

13. What is WPA2?

Mid
  1. A.the latest Wi-Fi security standard adding SAE to resist offline password guessing
  2. B.a web page that intercepts new clients to require login or acceptance
  3. C.a Wi-Fi security standard using AES encryption with a pre-shared key or 802.1X
  4. D.degradation when multiple APs share the same channel and contend for airtime
Reveal the answer + AI explanation — free account

15. Which statement is correct?

Mid
  1. A.WPA2 — a Wi-Fi security standard using AES encryption with a pre-shared key or 802.1X
  2. B.WPA2 — a device that centrally manages and configures many access points
  3. C.WPA2 — degradation when multiple APs share the same channel and contend for airtime
  4. D.WPA2 — the MAC address of an access point's radio identifying a basic service set
Reveal the answer + AI explanation — free account

16. What is WPA3?

Mid
  1. A.nudging dual-band clients onto the less congested 5 GHz band
  2. B.the latest Wi-Fi security standard adding SAE to resist offline password guessing
  3. C.a client moving between access points while maintaining connectivity
  4. D.a Wi-Fi band with higher speeds, more channels, and shorter range
Reveal the answer + AI explanation — free account

18. Which statement is correct?

Mid
  1. A.WPA3 — a measure of received wireless signal strength at the client
  2. B.WPA3 — the latest Wi-Fi security standard adding SAE to resist offline password guessing
  3. C.WPA3 — a device that centrally manages and configures many access points
  4. D.WPA3 — nudging dual-band clients onto the less congested 5 GHz band
Reveal the answer + AI explanation — free account

19. What is Channel overlap?

Mid
  1. A.a standard adding OFDMA and MU-MIMO for efficiency in dense environments
  2. B.a Wi-Fi band with higher speeds, more channels, and shorter range
  3. C.the latest Wi-Fi security standard adding SAE to resist offline password guessing
  4. D.interference caused when nearby APs use overlapping frequency channels
Reveal the answer + AI explanation — free account

21. Which statement is correct?

Mid
  1. A.Channel overlap — a device that centrally manages and configures many access points
  2. B.Channel overlap — degradation when multiple APs share the same channel and contend for airtime
  3. C.Channel overlap — a device that bridges wireless clients onto a wired network
  4. D.Channel overlap — interference caused when nearby APs use overlapping frequency channels
Reveal the answer + AI explanation — free account

22. What is Roaming?

Mid
  1. A.the latest Wi-Fi security standard adding SAE to resist offline password guessing
  2. B.a client moving between access points while maintaining connectivity
  3. C.a device that bridges wireless clients onto a wired network
  4. D.a Wi-Fi band with longer range but more interference and fewer channels
Reveal the answer + AI explanation — free account

24. Which statement is correct?

Mid
  1. A.Roaming — a device that centrally manages and configures many access points
  2. B.Roaming — the MAC address of an access point's radio identifying a basic service set
  3. C.Roaming — when two clients can reach the AP but not each other, causing collisions
  4. D.Roaming — a client moving between access points while maintaining connectivity
Reveal the answer + AI explanation — free account

25. What is 802.11ax (Wi-Fi 6)?

Senior
  1. A.the latest Wi-Fi security standard adding SAE to resist offline password guessing
  2. B.a device that centrally manages and configures many access points
  3. C.a standard adding OFDMA and MU-MIMO for efficiency in dense environments
  4. D.a client moving between access points while maintaining connectivity
Reveal the answer + AI explanation — free account

27. Which statement is correct?

Senior
  1. A.802.11ax (Wi-Fi 6) — the latest Wi-Fi security standard adding SAE to resist offline password guessing
  2. B.802.11ax (Wi-Fi 6) — a standard adding OFDMA and MU-MIMO for efficiency in dense environments
  3. C.802.11ax (Wi-Fi 6) — a device that centrally manages and configures many access points
  4. D.802.11ax (Wi-Fi 6) — serving multiple clients simultaneously using multiple spatial streams
Reveal the answer + AI explanation — free account

28. What is Wireless LAN controller (WLC)?

Senior
  1. A.when two clients can reach the AP but not each other, causing collisions
  2. B.the human-readable name that identifies a wireless network
  3. C.port-based network access control authenticating users against a central server
  4. D.a device that centrally manages and configures many access points
Reveal the answer + AI explanation — free account

30. Which statement is correct?

Senior
  1. A.Wireless LAN controller (WLC) — when two clients can reach the AP but not each other, causing collisions
  2. B.Wireless LAN controller (WLC) — a device that centrally manages and configures many access points
  3. C.Wireless LAN controller (WLC) — a client moving between access points while maintaining connectivity
  4. D.Wireless LAN controller (WLC) — interference caused when nearby APs use overlapping frequency channels
Reveal the answer + AI explanation — free account

Showing 30 of 54 Wireless questions — the full set, with answers, explanations and an AI tutor on every question, is inside.

Free to start

Answers, AI explanations, and a scored voice mock interview

Sign up free to check your answers with explanations, ask the AI tutor anything on any question, and take one full AI mock interview — scored like a real panel.

Practice Wireless free