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Exam Name: Implementing Cisco Data Center Unified Fabric (DCUFI)
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NO.1 Which function does the graceful restart feature allow a Cisco Nexus 7000 Series router to
perform?
A. Maintain a management connection throughout a router restart.
B. Initialize a standby supervisor transparently when one is present.
C. Perform a rapid route convergence.
D. Remain in the data forwarding path through a process restart.
Answer: D
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Explanation:
Graceful Restart and Non Stop Routing both allow for the forwarding of data packets to continue
along known routes while the routing protocol information is being restored (in the case of Graceful
Restart) or refreshed (in the case of Non Stop Routing) following a processor switchover. When
Graceful Restart is used, peer networking devices are informed, via protocol extensions prior to the
event, of the SSO capable routers ability to perform graceful restart. The peer device must have the
ability to understand this messaging. When a switchover occurs, the peer will continue to forward to
the switching over router as instructed by the GR process for each particular protocol, even though in
most cases the peering relationship needs to be rebuilt. Essentially, the peer router will give the
switching over router a "grace" period to re-establish the neighbor relationship, while continuing to
forward to the routes from that peer.
Reference: http://www.cisco.com/c/en/us/products/collateral/ios-nx-os-
software/highavailability/solution_overview_c22-487228.html
NO.2 Which statement about RBAC user roles on a Cisco Nexus switch is true?
A. The default SAN administrator role restricts configuration to Fibre Channel interfaces.
B. If you belong to multiple roles, you can execute only the commands that are permitted by both
roles (logical AND).
C. The predefined roles can only be changed by the network administrator (superuser).
D. On a Cisco Nexus 7000 Series Switch, roles are shared between VDCs.
E. Access to a command takes priority over being denied access to a command.
Answer: E
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Explanation:
If you belong to multiple roles, you can execute a combination of all the commands permitted by
these roles. Access to a command takes priority over being denied access to a command. For
example, suppose a user has RoleA, which denied access to the configuration commands. However,
the users also have RoleB, which has access to the configuration commands. In this case, the users
have access to the configuration commands.
Reference:
http://www.cisco.com/c/en/us/td/docs/switches/datacenter/nexus5000/sw/configuration/guid
e/cli/CLIConfigurationGuide/sec_rbac.html
Topic 3, Manage the Unified Fabric in a Cisco Data Center Architecture
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