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Exam Code: 300-365
Exam Name: Deploying Cisco Wireless Enterprise Networks
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300-365 Training online Total Q&A: 62 Questions and Answers
Last Update: 2016-11-07

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Exam Code: 642-997
Exam Name: Implementing Cisco Data Center Unified Fabric (DCUFI)
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642-997 PDF VCE Total Q&A: 125 Questions and Answers
Last Update: 2016-11-07

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NO.1 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 detect other OTV edge devices in the site
D. to allow multiple site AEDs to communicate with each other
Answer: C
Explanation:
The edge device performs OTV functions: it receives the Layer 2 traffic for all VLANs that need to be
extended to remote locations and dynamically encapsulates the Ethernet frames into IP packets that
are then sent across the transport infrastructure. It is expected that at least two OTV edge devices
are deployed at each data center site to improve the resiliency.
Reference:
http://www.cisco.com/c/en/us/td/docs/solutions/Enterprise/Data_Center/DCI/whitepaper/DC
I3_OTV_Intro/DCI_1.html
Topic 6, Implementing Network Virtualization in Cisco Data Center Environment

NO.2 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. Remain in the data forwarding path through a process restart.
C. Perform a rapid route convergence.
D. Initialize a standby supervisor transparently when one is present.
Answer: B

642-997 exam prep   642-997 Study Guide   
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