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

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December 3, 2024Last update

Cisco 642-997 Free Practice Questions

Q1. 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:

Q2. 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:

Q3. What is the Overlay Transport Virtualization site VLAN used for? 

A. to allow the join interfaces at different sites to communicate 

B. to detect devices at the site that are not capable of OTV 

C. to allow multiple site AEDs to communicate with each other 

D. to detect other OTV edge devices in the site 

Answer:

Q4. Which statement about electronic programmable logic device image upgrades is true? 

A. EPLD and ISSU image upgrades are nondisruptive. 

B. An EPLD upgrade must be performed during an ISSU system or kickstart upgrade. 

C. Whether the module being upgraded is online or offline, only the EPLD images that have different current and new versions are upgraded. 

D. You can execute an upgrade or downgrade only from the active supervisor module. 

Answer:

Q5. 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 

Q6. Which three selections represent implementations of Cisco VN-Link technology? (Choose three.) 

A. Cisco Nexus 1000V 

B. Cisco Nexus 2000 FEX 

C. Cisco VM-FEX 

D. VMware PTS 

E. vMotion 

Answer: ACD 

Q7.  

On a Cisco Nexus7000 switches what is true regarding Cisco FabrciPath requirements? 

A. Ensure that you have installed the Enhanced Layer 2 license and that you have installed an F Series module 

B. Ensure that you have installed the Enhanced Layer 2 license and that you have installed an M Series module 

C. Ensure that you have installed the Enhanced Layer 3 license and that you have installed an M Series module 

D. Ensure that you have installed the Scalable Feature License license and that you have installed an F Series module 

Answer:

Q8. 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:

Q9. When connecting Cisco Nexus 5000 Series Switches to the VMware vCenter Server, which item must be configured before installing the extension keys? 

A. configure vPC 

B. configure DirectPath I/O support in vCenter 

C. configure PTS on the VSM 

D. configure dynamic vNICs 

Answer:

Q10. 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:

Q11. 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:

Q12. Which statement about implementation of Cisco TrustSec on Cisco Nexus 5546 or 5548 switches are true? 

A. Cisco TrustSec support varies depending on Cisco Nexus 5500 Series Switch model. 

B. The hardware is not able to support MACsec switch-port-level encryption based on IEEE 802.1AE. 

C. The maximum number of RBACL TCAM user configurable entries is 128k. 

D. The SGT Exchange Protocol must use the management (mgmt 0) interface. 

Answer:

Q13. 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:

Q14. Which of the following Cisco Nexus features is best managed with DCNM-LAN? 

A. VSS 

B. Domain parameters 

C. Virtual switches 

D. AAA 

Answer:

Q15.  

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:

Q16. 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 

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