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2021 Jan 400-351 book


Drag and drop the characteristic on the left to the appropriate EAP type on the right. 



Q12. Exhibit 

A. Group Temporal Key 

B. Pairwise Transient Key 

C. Master Session Key 

D. Pairwise Master Key 


Q13. Refer to the exhibit . 

According to the debugs and loin the Cisco WLC and Cisco LAP which WLC discovery Algorithm is used by the LAP to join the Cisco WLC? 

A. DHCP server LAP sends a layer 3 CAPWAP discover request to the Cisco WLC that is listed m the DHCP option 43. 

B. configured LAP sends a uncast layer 3 CAPWAP discover request to the Cisco WLC IP address that the LAP has in its NVRAM 

C. Broadcast lap broadcasts a layer 3 CAPWAP discover massage on the local ip subnet 

D. DNS lap resolve the DNS Name CISCO-CAPWAP-CONTEOLLER cisco to the Cisco WLC ip address then it sends a uncast layer 3 CAPWAP discovery request to the Cisco WLC 


Q14. Which mechanism incorporates the channel capacity into the CAC determination And gives a much more accurate assessment of the current Call-carrying capacity of the AP ? 

A. Expedited bandwidth 

B. Admission control 

C. Reserved roaming bandwidth(%) 

D. Load-based AC 

E. Max RF bandwidth(%) 

F. Metrics collection 


Q15. After the AP mode is changed from local mode to bridge mode the AP cannot register the WLC considering the debug output into the exhibit .which description of the issue is true? 

A. DTLS is not supported in bridge mode 

B. The AP priority exceeds the number of joining APs 

C. The AP MAC address is not added in the MAC filter list of the WLC 

D. The date and time on the WLC and AP do not match 

E. The AP does not have a valid certificate 

F. The WLC does not have the image for the AP 


Leading 400-351 free download:

Q16. What happen if a new MAC address is learned on fast Ethernet 5/1? 

A. The port goes into error-disabled state 

B. The port switch state to administratively down 

C. The port forward traffic from the newly learned MAC 

D. The port remain up only traffic from the newly learned MAC is blocked 


Q17. In a VWLAN deployment, what autonomous ISO command should be used to ensure that VWLAN performance is not adversely impacted by an unexpected channel change resulting from a DFS event triggered by a nearby airport radar system? 

A. ap(config-if)#DFs band 1block 

B. ap(config-if)#DFs band 23 block 

C. ap(config-if)#DFs band 123 block 

D. ap(config-if)#DFs band 13 block 

E. ap(config-if)#DFs band 2 block 


Q18. Which two statement about AP local authentication by FlexConnect AP in standalone mode are true?(choose two) 

A. Only LEAP,EAP F AST,PEAP and EAP-TLS authentication are supported 

B. Only the vendor certificate authority (CA) certificate has to be downloaded to the Cisco wireless LAN controller for EAP-TLS authentication 

C. Cisco wireless LAN controller must generate a certificate signing request by itself for submitting to a certificate authority for signing. 

D. A flexconnect group must be created so that the cisco wireless LAN Controller can push the certificate to the flexconnect AP in the Flexconnect group. 

Answer: A, D 

Q19. Given the IPV6 address and subnet 2001:adcb:3257:9048::/64,which option list the start and ending IP address of this subnet? 

A. 2001:adcb:3257:9048: ,2001:adcb:3257:9048:0000:0000:0000:ffff 

B. 2001:adcb:3257:9048:0:0:0:0 .2001:adcb:3257:9048:0000:ffff:ffff:ffff 

C. 2001:adcb:3257:9048:0:0:0:0 ,2001:adcb:3257:9048: ffff'ffff:ffff:ffff 

D. 2001:adcb:3257 9048 0 0 0 0 ,2001adbc: 3257 9048 0000:0000:0000:ffff E. 2001:adcb:3257:9048 :0:0:0:0, 2001:adcb:3257: 9048: 0000:0000:ffff: ffff 

E. 2001:adcb:3257:9048:0::, 2001:adcb:3257:9048:0000:0000:0000:ffff 


Q20. which two types of interface events are common for cleanAir?(choose two) 

A. Microwave interference 

B. Co-channel interference 

C. Spontaneous interference 

D. Persistent mterference 

Answer: C, D