642-997 Exam - Implementing Cisco Data Center Unified Fabric (DCUFI) v5.0

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Q1. By default it will take 10 seconds for authentication to fail due to an unresponsive RADIUS server before a Cisco Nexus series switch reverts to another RADIUS server or local authentication. What is one efficient way to improve the reaction time to a RADIUS server failure? 

A. Decrease the global RADIUS retransmission count to 1. 

B. Decrease the global RADIUS timeout interval to 5 seconds. 

C. Configure the RADIUS retransmission count and timeout interval per server, versus globally. 

D. Configure per server a test idle timer, along with a username and password. 

Answer:

Q2. Which two security features are only supported on the Cisco Nexus 7000 Series Switches? (Choose two.) 

A. IP source guard 

B. traffic storm control 

C. CoPP 

D. DHCP snooping 

E. Dynamic ARP Inspection 

F. NAC 

Answer: BF 

Q3. Which function does the graceful restart feature allow a Cisco Nexus 7000 Series router to perform? 

A. Perform a rapid route convergence. 

B. Initialize a standby supervisor transparently when one is present. 

C. Remain in the data forwarding path through a process restart. 

D. Maintain a management connection throughout a router restart. 

Answer:

Q4.  

FabricPath switch-id is 25 and load-balance is configured for L3/L4 and rotate amount is 14 byte. What information is true about FabricPath switch-id? 

A. FabricPath topology requires manual configuration of switch-id which has a range from 1 to 4095 

B. Every FabricPath must have a manually configured switch-id for it to form a FabricPath topology 

C. FabricPath topology requires manual configuration of switch-id which has a range from 1 to 4099 

D. You do not have to manually assign a switch ID unless you are running a virtual port channel plus (vPC*) because the system assigns a switch ID for you when you enable FabricPath 

Answer: B

Q5. Which Cisco Nexus feature is best managed with DCNM-SAN? 

A. VSS 

B. domain parameters 

C. virtual switches 

D. AAA 

Answer:

Q6. Refer to the exhibit. 

This multilayer Cisco Nexus switch had been the active virtual gateway for Group 1 before it became temporarily unavailable. What will happen to GLBP Group 1 when this device becomes available again? 

A. The currently active router remains active. 

B. It depends on the priority value that is configured active on the router. 

C. The Cisco Nexus switch becomes the active virtual gateway after 600 seconds. 

D. It depends on the weighting values that are configured active on the router. 

Answer:

Q7.  

What is the status of FC interface associated with ethernet 1/5 indicate? 

A. Trunk VSAN 11 is isolated B. Inteface vfc 5 is up and running for the assigned VSAN 

C. Trunk VSAN 11 is intializing 

D. VSAN to FC mapping is not working as expected 

Answer:

Q8. Which statement explains why a Cisco UCS 6200 Fabric Interconnect that is configured in end-host mode is beneficial to the unified fabric network? 

A. There is support for multiple (power of 2) uplinks. 

B. Upstream Layer 2 disjoint networks will remain separated. 

C. The 6200 can connect directly via vPC to a Layer 3 aggregation device. 

D. STP is not required on the uplink ports from the 6200. 

Answer:

Q9. After enabling strong, reversible 128-bit Advanced Encryption Standard password type-6 encryption on a Cisco Nexus 7000, which command would convert existing plain or weakly encrypted passwords to type-6 encrypted passwords? 

A. switch# key config-key ascii 

B. switch(config)# feature password encryption aes 

C. switch# encryption re-encrypt obfuscated 

D. switch# encryption decrypt type6 

Answer:

Q10. Which command sequence correctly enables Adapter FEX on Nexus 5000 Series Switches? 

A. switch(config)# install feature-set virtualization switch(config)# feature-set virtualization 

B. switch(config)# install feature-set adapter-fex switch(config)# feature-set adapter-fex 

C. switch(config)# install feature-set adapter-fex switch(config)# feature-set virtualization 

D. switch(config)# install feature-set virtualization switch(config)# feature-set adapter-fex 

Answer: