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

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November 23, 2024Last update

Cisco 642-997 Free Practice Questions

Q1. Which statement about core-edge SAN topology is true? 

A. Converged FCoE links connect the core and edge MDS switches. 

B. The SAN core connects to the network aggregation layer. 

C. Separate links with the same I/O are used for SAN and LAN traffic. 

D. Storage devices are accessed via FCoE over the LAN network. 

Answer:

Q2. Which FCoE component is responsible for the encapsulation and de-encapsulation of Fibre Channel frames in Ethernet? 

A. distributed FCF 

B. FCoE node 

C. FCoE logical endpoint 

D. Fibre Channel forwarder 

E. FCoE forwarder 

Answer:

Q3. Which protocol is responsible for the discovery of FCoE capabilities on a remote switch? 

A. DCE 

B. DCBx 

C. CDP 

D. LLDP 

Answer:

Q4. 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:

Q5. Which SCSI terminology is used to describe source and destination nodes? 

A. hosts and targets 

B. initiators and targets 

C. HBA and disks 

D. initiators and disks 

E. HBA and targets 

Answer:

Q6. DRAG DROP 

Answer:  

Q7. Which two types of traffic are carried over a vPC peer link when no failure scenarios are present? (Choose two.) 

A. multicast data traffic 

B. unicast data traffic 

C. broadcast data traffic 

D. vPC keep-alive messages 

Answer: AC 

Q8. Refer to the exhibit. 

 

What is the consequence of configuring peer-gateway on the two vPC peers N7K-1 and N7K-2? 

A. Nothing, this is the standard vPC configuration to make the feature work. 

B. The downstream device detects only one of the vPC peers as its gateway. 

C. The downstream device can use DMAC of N7K-1 on the link to N7K-2, and N7K-2 forwards the packet. 

D. This configuration enables the downstream device to use DHCP to obtain its default gateway. 

Answer:

Q9. Which policy-map action performs congestion avoidance? 

A. priority 

B. bandwidth 

C. queue-limit 

D. random-detect 

Answer:

Q10. Which GLBP load-balancing algorithm ensures that a client is always mapped to the same VMAC address? 

A. vmac-weighted 

B. dedicated-vmac-mode 

C. shortest-path and weighting 

D. host-dependent 

Answer:

Q11. 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:

Q12. Which two statements about SAN zoning on Cisco Nexus switches are true? (Choose two.) 

A. Zoning is enforced by examining the destination ID field. 

B. Devices can only belong to one zone. 

C. Only one zone set can be activated at any time. 

D. A zone can only be a member one zone set. 

E. Zoning must be administered from the primary SAN switch in the fabric. 

F. Zone configuration changes are nondisruptive. 

Answer: CF 

Q13. 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:

Q14. 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:

Q15. 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:

Q16. Which two Cisco Nexus platforms support Adapter FEX? (Choose two.) 

A. Cisco Nexus 7000 Series Switches 

B. Cisco Nexus 5000 Series Switches 

C. Cisco Nexus 5500 Series Switches 

D. Cisco Nexus 4000 Series Switches 

E. Cisco Nexus 2000 Series Fabric Extenders 

Answer: CE 

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