13 - WLAN Configuration

A laptop cannot connect to a wireless access point. Which two troubleshooting steps should be taken first? (Choose two.)

1. Ensure that the wireless SSID is chosen. 2. Ensure that the wireless NIC is enabled.

A user has just purchased a generic home router and would like to secure it. What should be done to help secure the wireless home router?

Change the default administrator password.

When a wireless network in a small office is being set up, which type of IP addressing is typically used on the networked devices?

private

When configuring a Cisco 3500 series wireless LAN controller (WLC) for a WPA2 Enterprise WLAN, what has to be created on the WLC before creating the new WLAN?

A VLAN for the wireless network

What is a difference between autonomous APs that operate in a home environment and controller-based APs that operate in a corporate environment?

Controller-based APs can be automatically configured and managed by a WLAN controller.

A user is configuring a wireless access point and wants to prevent any neighbors from discovering the network. What action does the user need to take?

Disable SSID broadcast

Which WLC tab would a network administrator typically use to see a summary view of the most heavily used WLANs including the number of clients using a particular WLAN?

Monitor

In setting up a small office network, the network administrator decides to assign private IP addresses dynamically to workstations and mobile devices. Which feature must be enabled on the company router in order for office devices to access the internet?

NAT

What functionality is required on routers to provide remote workers with VoIP and videoconferencing capabilities?

QoS

Which protocol could be used by a company to monitor devices such as a wireless LAN controller (WLC)?

SNMP

Users on an IEEE 802.11n network are complaining of slow speeds. The network administrator checks the AP and verifies it is operating properly. What can be done to improve the wireless performance in the network?

Split the wireless traffic between the 802.11n 2.4 GHz band and the 5 GHz band.

A wireless router is displaying the IP address of 192.168.0.1. What could this mean?

The wireless router still has the factory default IP address.

A customer installs a wireless access point at home in the closet next to the kitchen. The customer mentions that the wireless communication performance seems degraded when the cordless phone or the microwave oven is in use. What is the possible reason for this degradation?

The wireless signal is in the same radio frequency range as the household devices are in.

What is a DHCP scope as it relates to a WLAN configured on the WLC controller?

a pool of IP addresses for WLAN clients.

Why would a technician configure a passphrase for a WLAN on a wireless router?

to configure wireless client authentication