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Implementing Cisco Data Center Unified Fabric (DCUFI) v5.0 Certification Exam

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November 21, 2024Last update

Cisco 642-997 Free Practice Questions

Q1. Which statement about SNMP support on Cisco Nexus switches is true? 

A. Cisco NX-OS only supports SNMP over IPv4. 

B. Cisco NX-OS supports one instance of the SNMP per VDC. 

C. SNMP is not VRF-aware. 

D. SNMP requires the LAN_ENTERPRISE_SERVICES_PKG license. 

E. Only users belonging to the network operator RBAC role can assign SNMP groups. 

Answer:

Q2. Which statement about the implementation of Cisco TrustSec on Cisco Nexus 7000 Series Switches is true? 

A. While SGACL enforcement and SGT propagation are supported on the M and F modules, 802.1AE (MACsec) support is available only on the M module. 

B. SGT Exchange Protocol is required to propagate the SGTs across F modules that lack hardware support for Cisco TrustSec. 

C. AAA authentication and authorization is supported using TACACS or RADIUS to a Cisco Secure Access Control Server. 

D. Both Cisco TrustSec and 802.1X can be configured on an F or M module interface. 

Answer:

Q3. What must be enabled on the interface of a multicast-enabled device to support the Source Specific Multicast feature? 

A. IGMP version 3 

B. IGMP version 2 

C. IGMP version 1 

D. PIM 

Answer:

Q4. Which statement about RADIUS configuration distribution using Cisco Fabric Services on a Cisco Nexus 7000 Series Switch is true? 

A. Cisco Fabric Services does not distribute the RADIUS server group configuration or server and global keys. 

B. Enabling Cisco Fabric Services causes the existing RADIUS configuration on your Cisco NX-OS device to be immediately distributed. 

C. When the RADIUS configuration is being simultaneously changed on more than one device in a Cisco Fabric Services region, the most recent changes will take precedence. 

D. Only the Cisco NX-OS device with the lowest IP address in the Cisco Fabric Services region can lock the RADIUS configuration. 

Answer:

Q5.  

When configuring FCoE VLANs and Virtual Fiber Channel (vFC) Interfaces, what guidelines must be followed? 

A. Each vFC interface must be bound to an FCoE-enabled Ethernet or EtherChannel interface or to the MAC address of a remotely connected adapter 

B. Each FC interface must be bound to an FCoE-enabled Ethernet or EtherChannel interface or to the MAC address of a remotely connected adapter 

C. Each vFC interface must be bound to an FC enabled Ethernet or EtherChannel interface or to the MAC address of a remotely connected adapter 

D. Each vFC interface must be bound to an FCoE-enabled vFC or EtherChannel interface or to the MAC address of a remotely connected adapter 

Answer:

Q6. Which item represents the process that allows FCoE multihop using T11 standard FC-BB-5? 

A. distributed FCF 

B. FIP proxy 

C. N Port proxy 

D. FIP snooping 

Answer:

Q7. Which two reasons explain why a server on VLAN 10 is unable to join a multicast stream that originates on VLAN 20? (Choose two.) 

A. IGMP snooping and mrouter are not enabled on VLAN 10. 

B. VLAN 20 has no IGMP snooping querier defined and VLAN 10 has no mrouter. 

C. The mrouter on VLAN 20 does not see the PIM join. 

D. The mrouter must be on VLAN 10 and VLAN 20. 

Answer: AC 

Q8. DRAG DROP 

Answer:  

Q9. Which statement about scalability in Cisco OTV is true? 

A. The control plane avoids flooding by exchanging MAC reachability. 

B. IP-based functionality provides Layer 3 extension over any transport. 

C. Any encapsulation overhead is avoided by using IS-IS. 

D. Unknown unicasts are handled by the authoritative edge device. 

Answer:

Q10. Which two items are services that are provided by Cisco Fabric Services? (Choose two.) 

A. device alias distribution 

B. VLAN database distribution 

C. Kerberos proxy distribution 

D. RSA key pair distribution 

E. DPVM configuration distribution 

Answer: AE 

Q11. 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:

Q12. Which feature enables NIV? 

A. EHV 

B. vPC 

C. Cisco FabricPath 

D. Cisco OTV 

E. VN-Tag 

Answer:

Q13. Which three VDC resources can be constrained with a resource template? (Choose three.) 

A. ACLs 

B. NAT entries 

C. IPv4 routes 

D. IPv6 routes 

E. SPAN sessions 

F. RBAC users 

Answer: CDE 

Q14. What is an Overlay Transport Virtualization extended VLAN? 

A. the VLAN used to locate other AEDs 

B. the VLAN used to access the overlay network by the join interface 

C. the user VLAN that exists in multiple sites 

D. the VLAN that must contain the overlay interface 

Answer:

Q15. Which two issues explain why a packet is not being routed as desired in a policy-based routing configuration? (Choose two.) 

A. The route map is not applied to the egress interface. 

B. The route map is not applied to the ingress interface. 

C. The next hop that is configured in the route map is not in the global routing table. 

D. The next hop that is configured in the route map has a higher metric than the default next hop. 

Answer: CD 

Q16. What mode is required on a Cisco Nexus 7000 32-port 10-GB module port group to allow equal access to the 10-GB port controller? 

A. dedicated 

B. assigned 

C. shared 

D. community 

Answer:

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