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Implementing Cisco Data Center Unified Computing (DCUCI) Certification Exam

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Cisco 642-999 Free Practice Questions

Q1. Which item describes the failure scenario called a "split-brain" in the Cisco Unified Computing System? 

A. failure of the Cisco Unified Computing System L1-L2 network 

B. failure of a Cisco Unified Computing System Chassis Management Controller 

C. failure of a Cisco Unified Computing System I/O module 

D. failure of a Cisco Unified Computing System Fabric Interconnect 

E. failure of a Cisco Unified Computing System Chassis Management Switch 

Answer:

Q2. When upgrading a standalone Cisco UCS C-Series server, which method is correct? 

A. direct upgrade on all components 

B. Cisco Hardware Upgrade Utility 

C. Cisco Host Upgrade Utility 

D. Cisco Server Upgrade Utility 

Answer:

Q3. How many certificates does Cisco Unified Computing System Manager have to export to communicate with VMware vCenter server if the VMware ESXi hosts are all running version 5.0 or higher? 

A. 1 

B. 2 

C. 4 

D. 8 

E. 16 

Answer:

Q4. Which of the following scenarios accurately demonstrate how the Cisco Unified Computing System ensures that a firmware upgrade is minimally disruptive to the data center unified fabric? 

A. If an I/O module is upgraded to a version that is incompatible with its fabric interconnect, the fabric interconnect can automatically reactivate the I/O module to a compatible version. 

B. If components like server BIOS, HBA, and RAID controller firmware are unsuccessfully updated through direct firmware updates, the update process will fall back to a host firmware package that is associated with the service profile. 

C. If an update of the subordinate fabric interconnect leaves it in a nonusable state, the primary fabric interconnect will automatically be updated to ensure that one fabric interconnect is running the most recent firmware. 

D. After Cisco Unified Computing System Manager upgrades the subordinate node, only then is the active management node automatically synchronized. 

Answer:

Q5. Which three items must be configured in the Port Profile Client in Cisco Unified Computing System Manager? (Choose three.) 

A. port profile 

B. DVS 

C. data center 

D. folder 

E. VMware vCenter IP address 

F. VM port group 

Answer: BCD 

Q6. Which two VMware features must be turned off in the data center cluster for Cisco VM-FEX universal passthrough to operate? (Choose two.) 

A. VMCI 

B. DRS 

C. FT 

D. HA 

E. vMotion 

Answer: AC 

Q7. Which of the following is true concerning Fibre Channel communications on a Cisco Unified Computing System? 

A. Each VSAN requires a dedicated VLAN to carry FCoE traffic. 

B. FCoE VLANs are created like Ethernet VLANs on Cisco Unified Computing System Manager. 

C. FCoE VLANs may overlap with Ethernet VLANs. 

D. Cisco Unified Computing System Manager supports a maximum of 128 active VSANs. 

Answer:

Q8. Which of the following is true with respect to recovery from failure with automatic pinning that is configured on a cluster of Cisco Unified Computing System 62XX Fabric Interconnects? 

A. By default, server MAC addresses are pinned to uplink interfaces using PIN groups. 

B. When a northbound fabric interconnect link goes down, the affected servers will use NIC teaming to re-establish connectivity on the second fabric interconnect. 

C. When a northbound fabric interconnect link goes down, the fabric interconnect will send a gratuitous ARP to the northbound switch to announce the servers on the new port. 

D. In the event that all uplink ports on the fabric interconnect lose connectivity, the 22XX I/O module shuts down all of the host ports until at least one uplink is restored. 

Answer:

Q9. If a customer wants to maximize the capability of server mobility with the Cisco UCS deployment, what two options are Cisco recommended? (Choose two.) 

A. Configure a server inheritance policy. 

B. Configure a Virtual Media boot. 

C. Configure a hardware-based service profile with burned-in addresses and identities. 

D. Configure boot from SAN. 

E. Configure service profiles with resource pools. 

Answer: DE 

Q10. Which of the following is the most accurate concerning the link configuration between Cisco Unified Computing System 22XX I/O modules and Cisco Unified Computing System 62XX Fabric Interconnects? 

A. Port channels are always recommended when using source-dest-mac load balancing. 

B. The addition of links to a port channel requires a reacknowledgement. 

C. You cannot mix and match discrete links and port channeling for different chassis when using 22XX. 

D. Port channels do not require a Global Chassis Discovery policy. 

Answer:

Q11. Which three options are true regarding port profiles in Cisco UCS Manager? (Choose three.) 

A. Port profiles define operating-system kernel parameters. 

B. Port profiles are represented as a port group in vCenter. 

C. Port profiles can be used by more than one DVS. 

D. Port profile parameters are visible on vCenter. 

E. Port profile parameters can be modified from vCenter. 

F. Port profiles can be modified only from Cisco UCS Manager. 

Answer: BCF 

Q12. Which VMware ESXi 5.0 CLI command will validate PassThru interfaces when they are available? 

A. vem status -v 

B. vempassthru-v 

C. vemintf -v 

D. vemifconfig -v 

E. vempts -v 

Answer:

Q13. Which two are true with respect to the unified ports on the Cisco Unified Computing System 

62XX Fabric Interconnect? (Choose two.) 

A. The port mode is automatically discovered after plugging in a LAN or Fibre Channel-attached cable. 

B. By default, unified ports that are changed to Ethernet port mode are set to uplink Ethernet port type. 

C. Ethernet ports must be grouped together in a block and must start with the first port and end with an odd numbered port. 

D. Alternating Ethernet and Fibre Channel ports is supported on the expansion module. 

E. After making port mode changes on an expansion module, the module will reboot. 

F. In a standalone configuration, making port mode changes to the fixed module will not cause the fabric interconnect to reboot. 

Answer: CE 

Q14. Which Cisco UCS Manager feature allows you to specify multiple LDAP servers for user authentication? 

A. Realm 

B. LDAP Provider Group 

C. Authentication Domain 

D. Organization 

Answer:

Q15. Which two options occur when a server discovery policy is invoked? (Choose two.) 

A. executes the qualification in the server discovery policy against the server 

B. applies the scrub policy to the server 

C. analyzes the inventory of the server 

D. assigns the server to the selected organization, if configured 

E. creates a service profile for the server with the identity burned into the server at time of manufacture 

Answer: AC 

Q16. Which two items can you provision in a vHBA Template? (Choose two.) 

A. Max Data Field Size 

B. SCSI I/O Queues 

C. FCoE VLAN 

D. vHBA Interrupt Mode 

E. Stats Threshold Policy 

F. FLOGI Timeout 

Answer: AE 

Q17. What is true statement concerning port personalities on the Cisco Unified Computing System 62XX Fabric Interconnect? 

A. Fibre Channel uplink ports must operate in Fibre Channel switching mode. 

B. The fabric interconnects use native FCoE storage ports to directly attach to the SAN infrastructure. 

C. By default, all Fibre Channel ports are unconfigured. 

D. The Fibre Channel uplink ports do not support VSAN trunking and Fibre Channel port channels. 

E. The Fibre Channel storage ports support VSAN trunking and Fibre Channel port channels. 

Answer:

Q18. Which ports can access the Cisco IMC if you select Shared LOM NIC mode in the Cisco IMC Configuration Utility for a Cisco UCS C-Series server? 

A. the ports on an installed Cisco network adapter card 

B. the two 1-Gb Ethernet ports 

C. the two 10/100 management ports 

D. the two 10/100 management ports, but each port has a default setting 

Answer:

Q19. Which two are true concerning the role-based access control specifics of a Cisco Unified Computing System? (Choose two.) 

A. Disabled local user accounts are deleted from the database. 

B. A locally authenticated user account is any user account that is authenticated through LDAP, RADIUS, or TACACS+. 

C. If a user maintains a local user account and a remote user account simultaneously, the roles that are defined in the local user account override those that are maintained in the remote user account. 

D. By default, user accounts expire after 90 days; a warning message will be generated 10 days prior to expiration. 

E. A user that is assigned one or more roles will be allowed the privileges that are consistent across all of the assigned roles. 

F. All roles include read access to all configuration settings in the Cisco Unified Computing System domain. 

Answer: CF 

Q20. Which policy would you change to form a port channel between a Cisco UCS 6248 and a Cisco UCS 2208? 

A. link aggregation policy 

B. chassis discovery policy 

C. IOM connection policy 

D. link discovery policy 

Answer:

Q21. Which virtual hardware version is required for a VM to enter the Cisco VM-FEX universal passthrough mode? 

A. Version 5 

B. Version 6 

C. Version 7 

D. Version 8 

E. Version 9 

Answer:

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