12 and 13

A network administrator is required to upgrade wireless access to end users in a building. To provide data rates up to 1.3 Gb/s and still be backward compatible with older devices, which wireless standard should be implemented?

802.11ac

What two IEEE 802.11 wireless standards operate only in the 5 GHz range?

802.11ac 802.11a

A technician is about to install and configure a wireless network at a small branch office. What is the first security measure the technician should apply immediately upon powering up the wireless router?

Change the default user-name and password of the wireless router.

What is an advantage of SSID cloaking?

Clients will have to manually identify the SSID to connect to the network.

Which step is required before creating a new WLAN on a Cisco 3500 series WLC?

Create a new VLAN interface.

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

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

What is a wireless security mode that requires a RADIUS server to authenticate wireless users?

Enterprise

A network administrator is configuring a RADIUS server connection on a Cisco 3500 series WLC. The configuration requires a shared secret password. What is the purpose for the shared secret password?

It is used to encrypt the messages between the WLC and the RADIUS server.

A network administrator is working to improve WLAN performance on a dual-band wireless router. What is a simple way to achieve a split-the-traffic result

Make sure that different SSIDs are used for the 2.4 GHz and 5 GHz bands.

A network administrator deploys a wireless router in a small law firm. Employee laptops join the WLAN and receive IP addresses in the 10.0.10.0/24 network. Which service is used on the wireless router to allow the employee laptops to access the internet?

NAT

Which service can be used on a wireless router to prioritize network traffic among different types of applications so that voice and video data are prioritized over email and web data?

QoS

A network administrator of a college is configuring the WLAN user authentication process. Wireless users are required to enter username and password credentials that will be verified by a server. Which server would provide such service?

RADIUS

Which protocol can be used to monitor the network?

SNMP

A company has recently implemented an 802.11n wireless network. Some users are complaining that the wireless network is too slow. Which solution is the best method to enhance the performance of the wireless network?

Split the traffic between the 2.4 GHz and 5 GHz frequency bands.

A technician is troubleshooting a slow WLAN that consists of 802.11b and 802.11g devices . A new 802.11n/ac dual-band router has been deployed on the network to replace the old 802.11g router. What can the technician do to address the slow wireless speed?

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

A network engineer is troubleshooting a newly deployed wireless network that is using the latest 802.11 standards. When users access high bandwidth services such as streaming video, the wireless network performance is poor. To improve performance the network engineer decides to configure a 5 Ghz frequency band SSID and train users to use that SSID for streaming media services. Why might this solution improve the wireless network performance for that type of service?

The 5 GHz band has more channels and is less crowded than the 2.4 GHz band, which makes it more suited to streaming multimedia.

On a Cisco 3504 WLC Summary page ( Advanced > Summary ), which tab allows a network administrator to access and configure a WLAN for a specific security option such as WPA2?

WLANs

Which type of wireless network uses transmitters to cover a medium-sized network, usually up to 300 feet (91.4 meters)?

Wireless LANs (WLAN)

The company handbook states that employees cannot have microwave ovens in their offices. Instead, all employees must use the microwave ovens located in the employee cafeteria. What wireless security risk is the company trying to avoid?

accidental interference

While attending a conference, participants are using laptops for network connectivity. When a guest speaker attempts to connect to the network, the laptop fails to display any available wireless networks. The access point must be operating in which mode?

active

Which type of management frame may regularly be broadcast by an AP?

beacon

Which wireless network topology would be used by network engineers to provide a wireless network for an entire college building?

infrastructure

What type of wireless antenna is best suited for providing coverage in large open spaces, such as hallways or large conference rooms?

omnidirectional

What are the two methods that are used by a wireless NIC to discover an AP?

receiving a broadcast beacon frame transmitting a probe request

A technician is configuring the channel on a wireless router to either 1, 6, or 11. What is the purpose of adjusting the channel?

to avoid interference from nearby wireless devices

Which type of wireless network is based on the 802.11 standard and a 2.4-GHz or 5-GHz radio frequency?

wireless local-area network

Which type of wireless network is suitable for use in a home or office?

wireless local-area network

Which type of wireless network is suitable for providing wireless access to a city or district?

wireless metropolitan-area network

Which type of wireless network often makes use of devices mounted on buildings?

wireless metropolitan-area network

Which three parameters would need to be changed if best practices are being implemented for a home wireless AP? (choose 3)

wireless network password AP password SSID

Which type of wireless network commonly uses Bluetooth or ZigBee devices?

wireless personal-area network

Which type of wireless network uses low powered transmitters for a short-range network, usually 20 to 30 ft. (6 to 9 meters)?

wireless personal-area network

Which type of wireless network is suitable for national and global communications?

wireless wide-area network

Which type of wireless network uses transmitters to provide coverage over an extensive geographic area?

wireless wide-area network

On a Cisco 3504 WLC dashboard, which option provides access to the full menu of features?

Advanced

What is the function provided by CAPWAP protocol in a corporate wireless network?

CAPWAP provides the encapsulation and forwarding of wireless user traffic between an access point and a wireless LAN controller

Which type of wireless network uses transmitters to provide wireless service over a large urban region

wireless metropolitan-area network