CCNA - SRWE - 12.8.2

In the context of mobile devices, what does the term tethering involve?

• connecting a mobile device to a hand-free headset.

• connecting a mobile device to a USB port a computer in order to charge the mobile device.

• connecting a mobile device to another mobile device or computer to share a network connection.

• connecting a mobile device to a 4G cellular network.

Which feature of 802.11n wireless access points allows them to transmit data at faster speeds than previous versions of 802.11 Wi-Fi standards did?

• MIMO

• SPS

• WPS

• MITM

Which method of wireless authentication is currently considered to be the strongest?

• WPA

• WPA2

• shared key

• WEP

• open

Which parameter is commonly used to identify a wireless network name when a home wireless AP is being configured?

• ad hoc

• BESS

• SSID

• ESS

Which characteristic describes a wireless client operating in active mode?

• must be configured for security before attaching to an AP.

• broadcasts probes that request the SSID.

• must know the SSID to connect to an AP.

• ability to dynamically change channels.

Which IEEE standard operates at wireless frequencies in both the 5 GHz and 2.4 GHz ranges?

• 802.11a

• 802.11b

• 802.11g

• 802.11n

Which statement describes an autonomous access point?

• It is a standalone access point.

• It is server-dependent.

• It is used for networks that require a large number of access points.

• It is managed by a WLAN controller.

Which two roles are typically performed by a wireless router that is used in a home or small business? (Choose two.)

• Ethernet switch

• repeater

• RADIUS authentication server

• WLAN controller

• access point.

Which protocol and port numbers are used by both IPv4 and IPv6 CAPWAP tunnels? (Choose two.)

• UDP

• TCP

• 17 and 163

• 5246 and 5247

• ICMP

If three 802.11b access points need to be deployed in close proximity, which three frequency channels should be used? (Choose three.)

• 1

• 5

• 6

• 11

• 3