642-997 Guide

The Secret of 642-997 sample question

Q1. Refer to the exhibit. 

Which statement based on these two outputs that were collected 24 hours apart is true? 

A. The Site 2 OTV edge device has gone down. 

B. The MAC address cannot be discovered on two separate port channel interfaces. 

C. The MAC address that ends in 020a moved to the local site 23 hours ago. 

D. The Overlay1 IP address should be a multicast IP address. 

Answer:


Q2. Which command enables NPIV on Cisco Nexus 5000 Series Switches and Cisco MDS switches? 

A. switch(config)# npiv enable 

B. switch(config)# npivon 

C. switch(config)# feature npiv 

D. switch(config)# npiv proxy 

E. switch(config)# np proxy-enable 

Answer:


Q3.  

Customer has configured fabhcpath allocate-delay to 600. What is the effect of this? 

A. The allocate-delay is the time for FPto go into forwarding state 

B. It specifies the time delay for a transitioned value to be propagated throughout the network 

C. It specifies the time delay for a link bringup to detect conflicts 

D. The allocate-delay is the time delay for a new resource to be propagated throughout the network 

Answer:


Q4. When a local RBAC user account has the same name as a remote user account on an AAA server, what happens when a user with that name logs into a Cisco Nexus switch? 

A. The user roles from the remote AAA user account are applied, not the configured local user roles. 

B. All the roles are merged (logical OR). 

C. The user roles from the local user account are applied, not the remote AAA user roles. 

D. Only the roles that are defined on both accounts are merged (logical AND). 

Answer:


Q5. Which statement is true if password-strength checking is enabled? 

A. Short, easy-to-decipher passwords will be rejected. 

B. The strength of existing passwords will be checked. 

C. Special characters, such as the dollar sign ($) or the percent sign (%), will not be allowed. 

D. Passwords become case-sensitive. 

Answer:

15. Which statement about RBAC user roles on a Cisco Nexus switch is true? 

A. If you belong to multiple roles, you can execute only the commands that are permitted by both roles (logical AND). 

B. Access to a command takes priority over being denied access to a command. 

C. The predefined roles can only be changed by the network administrator (superuser). 

D. The default SAN administrator role restricts configuration to Fibre Channel interfaces. 

E. On a Cisco Nexus 7000 Series Switch, roles are shared between VDCs. 

Answer:


Q6. What is the grace period in a graceful restart situation? 

A. how long the supervisor waits for NSF replies 

B. how often graceful restart messages are sent after a switchover 

C. how long NSF-aware neighbors should wait after a graceful restart has started before tearing down adjacencies 

D. how long the NSF-capable switches should wait after detecting that a graceful restart has started, before verifying that adjacencies are still valid 

Answer:


Q7.  

What is the status of FCoE license on Cisco Nexus 5548 switch? 

A. FCoE license is not installed 

B. FCoE license is installed, but it is expired 

C. FCoE license is installed and status is enabled 

D. FCoE license does not need to be installed because it is part of ENTERPRISE_PKG 

Answer:


Q8. Which policy-map action performs congestion avoidance? 

A. priority 

B. bandwidth 

C. queue-limit 

D. random-detect 

Answer:


Q9. Which protocol is the foundation for unified fabric as implemented in Cisco NX-OS? 

A. Fibre Channel 

B. Data Center Bridging 

C. Fibre Channel over Ethernet 

D. N proxy virtualization 

E. N Port identifier virtualization 

Answer:


Q10. A Cisco Nexus 2000 Series Fabric Extender is connected to two Cisco Nexus 5000 Series switches via a vPC link. After both Cisco Nexus 5000 Series switches lose power, only one switch is able to power back up. At this time, the Cisco Nexus 2000 Series Fabric Extender is not active and the vPC ports are unavailable to the network. 

Which action will get the Cisco Nexus 2000 Series Fabric Extender active when only one Cisco Nexus 5000 Series switch is up and active? 

A. Move the line from the failed Cisco Nexus 5000 Series switch to the switch that is powered on, so the port channel forms automatically on the switch that is powered on. 

B. Shut down the peer link on the Cisco Nexus 5000 Series switch that is powered on. 

C. Configure reload restore or auto-recovery reload-delay on the Cisco Nexus 5000 Series switch that is powered on. 

D. Power off and on the Cisco Nexus 2000 Series Fabric Extender so that it can detect only one Cisco Nexus 5000 Series switch at power up. 

Answer:


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