Ccna3 Chapter 4

Front 1

Which IEEE wireless standard is known as WiGig and operates using a tri-band solution in the 2.4, 5, and 60 GHz ranges?

Back 1

* 802.11ad

Front 2

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

Back 2

* access point
* Ethernet switch

Front 3

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?

Back 3

MIMO

Front 4

A supervisor needs wireless access in the construction office during the construction of a new building. The construction office is in the new building and directly across the road from headquarters. What could be used to satisfy this requirement of needing a narrow area of coverage?

Back 4

* Yagi

Front 5

Which type of wireless topology is created when two or more Basic Service Sets are interconnected by Ethernet?

Back 5

* ESS

Front 6

Which statement defines the control frame operation between two stations?

Back 6

* After receiving a data frame, the receiving station will send an ACK frame to the sending station if no errors are found.​

Front 7

A student uses a laptop to upload an assignment to a file server. Which wireless frame type did the laptop send to locate and associate with the campus access point?

Back 7

* management frame

Front 8

During which stage of establishing connectivity between a WLAN client and an AP does the client learn the MAC address of the AP?

Back 8

* association

Front 9

For which discovery mode will an AP generate the most traffic on a WLAN?

Back 9

* passive mode

Front 10

What is the purpose of the Distributed Coordination Function in an IEEE 802.11 WLAN environment?

Back 10

* It allows a client to detect whether or not a channel is clear prior to transmission.

Front 11

What is an advantage of SSID cloaking?​

Back 11

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

Front 12

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

Back 12

* 1
* 6
* 11

Front 13

Which three Wi-Fi standards operate in the 2.4GHz range of frequencies? (Choose three.)

Back 13

* 802.11b
* 802.11g
* 802.11n

Front 14

An employee connects wirelessly to the company network using a cell phone. The employee then configures the cell phone to act as a wireless access point that will allow new employees to connect to the company network. Which type of security threat best describes this situation?

Back 14

* rogue access point

Front 15

Which security mode is the least secure choice when a home wireless router is configured?

Back 15

* WEP

Front 16

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

Back 16

* SSID

Front 17

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?

Back 17

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

Front 18

Ad hoc wireless topologies sometimes can use a feature called tethering​​​​​​ ​​to​​​​ enable a smartphone to create a personal hotspot.

Back 18

tethering​​​​​​

Front 19

A network administrator discovers a rogue AP in the network. The rogue AP is capturing traffic and then forwarding it on to the legitimate AP. This type of attack is known as a man-in -the -middle attack.

Back 19

man-in -the -middle

Front 20

Which encryption protocol is used by the WPA2 shared key authentication technique?​

Back 20

AES

Front 21

What is the SSID of the connected network and which message is displayed in the browser window?

Back 21

* SSID: Home-Net
Message:Congratulations! You were able to connect it!