Aruba Associate Wireless Technologies

Question 1

Which frequency band provides wider coverage but lower speed?

Accepted Answer

2.4 GHz

Answer

The 2.4 GHz frequency band offers wider coverage and better penetration through walls and obstacles compared to higher frequencies like 5 GHz. However, it typically provides lower data speeds and is more susceptible to interference from other devices, such as microwaves and Bluetooth. This trade-off makes it suitable for applications prioritizing range over raw speed.

Question 2

What is the role of SSID in wireless networks?

Accepted Answer

Broadcasts the wireless network name

Answer

SSID stands for Service Set Identifier, and it is essentially the name of a wireless network. When an access point broadcasts its SSID, it allows client devices to discover and connect to that specific Wi-Fi network. Users typically select the desired SSID from a list of available networks to join.

Question 3

Which Wi-Fi standard first introduced MIMO technology?

Accepted Answer

802.11n

Answer

The 802.11n Wi-Fi standard, also known as Wi-Fi 4, was the first to introduce Multiple-Input, Multiple-Output (MIMO) technology. MIMO uses multiple antennas at both the transmitter and receiver to improve communication performance, increasing both data throughput and range. This was a significant advancement over previous Wi-Fi standards.

Question 4

Which of the following is a benefit of using 5 GHz Wi-Fi?

Accepted Answer

Higher speed and less interference

Answer

The 5 GHz Wi-Fi band offers significantly higher data speeds and less interference compared to the 2.4 GHz band because it has more available channels and is less congested. While its range is generally shorter and penetration through objects is weaker, it is ideal for bandwidth-intensive applications like video streaming and online gaming.

Question 5

What is the function of a wireless access point (AP)?

Accepted Answer

Provides wireless network access

Answer

A wireless access point (AP) is a networking hardware device that allows Wi-Fi compliant devices to connect to a wired network. It acts as a central hub for wireless clients, converting wireless signals into wired signals and vice-versa, thereby extending network connectivity wirelessly. Essentially, it creates a wireless local area network (WLAN).

(ACA) Aruba Certified Associate Certification Practice Test

(ACA) Aruba Certified Associate Certification Practice Test

Aruba Associate Wireless Technologies