CCST CCST Wireless Networking & Standards

Question 1

Which IEEE standard defines the 802.11ac (Wi-Fi 5) wireless specification operating exclusively in the 5 GHz band?

Accepted Answer

802.11ac

Answer

802.11ac (Wi-Fi 5) operates exclusively in the 5 GHz band and supports multi-user MIMO and channel widths up to 160 MHz.

Question 2

What is the maximum theoretical data rate supported by the 802.11ax (Wi-Fi 6) standard in ideal conditions?

Accepted Answer

9.6 Gbps

Answer

802.11ax (Wi-Fi 6) supports a maximum theoretical throughput of 9.6 Gbps using technologies like OFDMA, 1024-QAM, and 8×8 MU-MIMO.

Question 3

Which wireless security protocol replaced WPA2 and introduced Simultaneous Authentication of Equals (SAE)?

Accepted Answer

WPA3

Answer

WPA3 replaced WPA2 and introduced SAE (also known as Dragonfly handshake) to provide stronger protection against offline dictionary attacks.

Question 4

What does SSID stand for in wireless networking?

Accepted Answer

Service Set Identifier

Answer

SSID (Service Set Identifier) is the name assigned to a wireless network that clients use to identify and connect to the correct access point.

Question 5

Which frequency band does the 802.11b standard use?

Accepted Answer

2.4 GHz

Answer

802.11b operates in the 2.4 GHz band, offering up to 11 Mbps and was one of the earliest widely adopted Wi-Fi standards.

(CCST) Cisco Certified Support Technician Networking Practice Test