Which port type supports the spanning-tree portfast command without additional configuration?

• A.Layer 3 main Interfaces
• B.trunk ports
• C.Layer 3 suninterfaces
• D.access ports

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Which security program element involves installing badge readers on data-center doors to allow workers to enter and exit based on their job roles?

• A.biometrics
• B.multifactor authentication
• C.role-based access control
• D.physical access control

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Which QoS tool is used to optimize voice traffic on a network that is primarily intended for data traffic?

• A.WRED
• B.PQ
• C.FIFO
• D.WFQ

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Refer to the exhibit.

Which IPv6 configuration is required for R17 to successfully ping the WAN interface on R18?
A)

B)

C)

D)

• A.Option A
• B.Option B
• C.Option C
• D.Option D

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Which type of wireless encryption is used for WPA2 in preshared key mode?

• A.TKIP with RC4
• B.RC4
• C.AES-128
• D.AES-256

Correct Answer: D

We can see in this picture we have to type 64 hexadecimal characters (256 bit) for the WPA2 passphrase so we can deduce the encryption is AES-256, not AES-128.

https://www.cisco.com/c/en/us/support/docs/wireless-mobility/wireless-lan-wlan/67134-wpa2-config.html

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