Which port status does the interface enter when UDLD detects a unidirectional link?

• A.errdisable
• B.shutdown
• C.down/down
• D.up/up

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Which type of wireless encryption is used for WPA2 in pre-shared 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.

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

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An engineer configures interface Gi1/0 on the company PE router to connect to an ISP Neighbor discovery is disabled

Which action is necessary to complete the configuration if the ISP uses third-party network devices?

• A.Disable Cisco Discovery Protocol on the interface
• B.Disable autonegotiation
• C.Enable LLDP globally
• D.Enable LLDP-MED on the ISP device

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Refer to the exhibit.

Which outcome is expected when PC_A sends data to PC_B?

• A.The destination MAC address is replaced with ffff.ffff.ffff.
• B.The source and destination MAC addresses remain the same.
• C.The switch rewrites the source and destination MAC addresses with its own.
• D.The source MAC address is changed.

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Which statement about the IP SLAs ICMP Echo operation is true?

• A.It is used to identify the best source interface from which to send traffic.
• B.The frequency of the operation .s specified in milliseconds.
• C.It is used to determine the frequency of ICMP packets.
• D.It is used to identify the best source interface from which to send traffic.

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