Reference no: EM133397631

Questions

1. Casey is installing a group of antennas for a wireless network. All of the antennas need to be tilted away from each other to introduce a measure of delay between the individual antenna radio signals. What type of antenna is he installing?

A. Semi-directional antenna

B. MIMO antenna

C. Highly directional antenna

D. Omnidirectional antenna

2. Lin is a wireless network engineer. She is performing a spectrum and protocol analysis on a branch office prior to implementing a wireless LAN (WLAN) solution. She is currently concerned with microwave ovens, cordless phones, fluorescent bulbs, and Bluetooth radios. Which of the following is she addressing?

A. Access point placement

B. Self-organizing WLANs

C. Sources of noise and interference

D. Coverage analysis

3. Which standard will enable devices to perform close to mobile carrier 5G millimeter speeds but will require buying new Wi-Fi routers and devices?

A. Wi-Fi 6E

B. Wi-Fi 3 (802.11g)

C. Wi-Fi 6 (802.11ax)

D. Wi-Fi 5 (802.11ac)

4. You are a network administrator. Your company recently approved of employees working from home one day a week and the use of employee-owned mobile devices at work. You want to ensure that employees follow wireless security best practices. What is your most important first step?

A. Ensure that WPA2 or WPA3 encryption is enabled and enforced on all personal wireless devices.

B. Ask users to lower the radio power on their home wireless access points.

C. Ask users for the Media Access Control (MAC) addresses of their home wireless access points.

D. Establish a Bring Your Own Device (BYOD) policy.

5. Which service set for Wi-Fi devices is the cornerstone of wireless networks, defines a common topology, is typically connected to a distribution network such as an Ethernet LAN, and moves all communication through the access point?

A. Mesh basic service set (MBSS)

B. Basic service set (BSS)

C. Extended service set (ESS)

D. Independent basic service set (IBSS)

6. Which of the following is not true of how a wireless access point (WAP) works?

A. The assigned frequencies are the unlicensed bands at 2.4 GHz and 5 GHz.

B. It uses RF signals as a carrier band frequency.

C. There are only three possible selections for multichannel WAPs: channel 1, channel 6, and channel 11.

D. It transmits beacons once per minute on the selected radio-frequency (RF) band and channel to advertise its presence and configuration.

7. Which standard is an amendment to 802.11n and streams up to 1.3 Gbps of throughput on the 5 GHz band?

A. Wi-Fi 6 (802.11ax)

B. Wi-Fi 6E

C. Wi-Fi 3 (802.11g)

D. Wi-Fi 5 (802.11ac)

8. Which of the following can be used to connect wireless access points (WAPs) to form a wireless backbone? To be successfully, the WAP needs to have two separate transmitter/receiver channels.

A. Wireless distribution system (WDS)

B. Thin access point

C. Autonomous access point

D. Distribution system service (DSS)

9. A wireless-capable laptop and an access point are both referred to as what?

A. Service set identifier (SSID)

B. Extended service set (ESS)

C. Basic service set (BSS)

D. Station (STA)