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NEW QUESTION 1
Which four options are capabilities of the Cisco Nexus 5000 and 5500 Series Switch? (Choose four.)
Answer: ACEG
NEW QUESTION 2
Which command ensures that a learned MAC address is stored within NVRAM?
Answer: C
NEW QUESTION 3
Which statement about implementation of Cisco TrustSec on Cisco Nexus 5546 or 5548 switches are true?
Answer: B
Explanation: Reference: https://scadahacker.com/library/Documents/Manuals/Cisco%20-%20TrustSec%20Solution%20Overview.pdf
NEW QUESTION 4
Refer to the exhibit.
Which corrective action would you take to resolve the problem?
Answer: C
NEW QUESTION 5
Customer has configured fabricpath allocate-delay to 600. What is the effect of this?
Answer: D
Explanation: Specifies the time delay for a new resource to be propagated throughout the network. Reference: http://www.cisco.com/web/techdoc/dc/reference/cli/nxos/commands/fpath/fabricpath_timers.html
Topic 5, Implement Cisco Unified Fabric Network Features and Functionality in a Cisco Data Center Environment
NEW QUESTION 6
Which two types of traffic are carried over a vPC peer link when no failure scenarios are present? (Choose two.)
Answer: AC
NEW QUESTION 7
Which two reasons explain why a server on VLAN 10 is unable to join a multicast stream that originates on VLAN 20? (Choose two.)
Answer: AC
Explanation: IGMP snooping is a mechanism to constrain multicast traffic to only the ports that have receivers attached. The mechanism adds efficiency because it enables a Layer 2 switch to selectively send out multicast packets on only the ports that need them. Without IGMP snooping, the switch floods the packets on every port. The switch "listens" for the exchange of IGMP messages by the router and the end hosts. In this way, the switch builds an IGMP snooping table that has a list of all the ports that have requested a particular multicast group.
The mrouter port is simply the port from the switch point of view that connects to a multicast router. The presence of at least one mrouter port is absolutely essential for the IGMP snooping operation to work across switches.
All Catalyst platforms have the ability to dynamically learn about the mrouter port. The switches passively listen to either the Protocol Independent Multicast (PIM) hellos or the IGMP query messages that a multicast router sends out periodically.
Reference: http://www.cisco.com/c/en/us/support/docs/switches/catalyst-6500-series-switches/68131-cat-multicast-prob.html
NEW QUESTION 8
In OTV, how are the VLANs split when a site has two edge devices?
Answer: C
NEW QUESTION 9
A Cisco Nexus 2000 Series Fabric Extender is connected to two Cisco Nexus 5000 Series switches via a vPC link. After both Cisco Nexus 5000 Series switches lose power, only one switch is able to power back up. At this time, the Cisco Nexus 2000 Series Fabric Extender is not active and the vPC ports are unavailable to the network.
Which action will get the Cisco Nexus 2000 Series Fabric Extender active when only one Cisco Nexus 5000 Series switch is up and active?
Answer: C
Explanation: The vPC consistency check message is sent by the vPC peer link. The vPC consistency check cannot be performed when the peer link is lost. When the vPC peer link is lost, the operational secondary switch suspends all of its vPC member ports while the vPC member ports remain on the operational primary switch. If the vPC member ports on the primary switch flaps afterwards (for example, when the switch or server that connects to the vPC primary switch is reloaded), the ports remain down due to the vPC consistency check and you cannot add or bring up more vPCs.
Beginning with Cisco NX-OS Release 5.0(2)N2(1), the auto-recovery feature brings up the vPC links when one peer is down. This feature performs two operations:
•assume the role of the primary switch. The vPC links come up after a configurable period of time if the vPC peer-link and the peer-keepalive fail to become operational within that time. If the peer-link comes up but the peer-keepalive does not come up, both peer switches keep the vPC links down. This feature is similar to the reload restore feature in Cisco NX- OS Release 5.0(2)N1(1) and earlier releases. The reload delay period can range from 240 to 3600 seconds.
•When you disable vPCs on a secondary vPC switch because of a peer-link failure and then the primary vPC switch fails, the secondary switch reenables the vPCs. In this scenario, the vPC waits for three consecutive keepalive failures before recovering the vPC links.
Reference: http://www.cisco.com/c/en/us/td/docs/switches/datacenter/nexus5000/sw/operations/n5k_v pc_ops.html
NEW QUESTION 10
Which zoning security feature locks the zone until the administrator has completed a change?
Answer: B
NEW QUESTION 11
Which command activates the port security database for VSAN 1 regardless of conflicts?
Answer: C
NEW QUESTION 12
Refer to the exhibit.
Which three statements about the Cisco Nexus 7000 switch are true? (Choose three.)
Answer: BDE
Explanation: To understand this feature, please refer to the link given below.
Reference: http://www.cisco.com/c/en/us/products/collateral/switches/nexus-5000-series-switches/guide_c07-690079.html#wp9000065
NEW QUESTION 13
Which three VDC resources can be constrained with a resource template? (Choose three.)
Answer: CDE
Explanation: VDC resource templates set the minimum and maximum limits for shared physical device resources when you create the VDC. The Cisco NX-OS software reserves the minimum limit for the resource to the VDC. Any resources allocated to the VDC beyond the minimum are based on the maximum limit and availability on the device.
You can explicitly specify a VDC resource template, or you can use the default VDC template provided by the Cisco NX-OS software. VDC templates set limits on the following resources:
✑ IPv4 multicast route memory
✑ IPv6 multicast route memory
✑ IPv4 unicast route memory
✑ IPv6 unicast route memory
✑ Port channels
✑ Switch Port Analyzer (SPAN) sessions
✑ VLANs
✑ Virtual routing and forwarding instances (VRFs)
Reference: http://www.cisco.com/c/en/us/td/docs/switches/datacenter/sw/nx-os/virtual_device_context/configuration/guide/b-7k-Cisco-Nexus-7000-Series-NX-OS-Virtual-Device-Context-Configuration-Guide/vdc-res-template.html
NEW QUESTION 14
What must be enabled on the interface of a multicast-enabled device to support the Source Specific Multicast feature?
Answer: A
Explanation: IGMP is the Internet Engineering Task Force (IETF) standards track protocol used for hosts to signal multicast group membership to routers. Version 3 of this protocol supports source filtering, which is required for SSM. To run SSM with IGMPv3, SSM must be supported in the Cisco IOS router, the host where the application is running, and the application itself. IGMP v3lite and URD are two Cisco-developed transition solutions that enable the immediate development and deployment of SSM services, without the need to wait for the availability of full IGMPv3 support in host operating systems and SSM receiver applications. IGMP v3lite is a solution for application developers that allows immediate development of SSM receiver applications switching to IGMPv3 as soon as it becomes available. URD is a solution for content providers and content aggregators that enables them to deploy receiver applications that are not yet SSM enabled (through support for IGMPv3). IGMPv3, IGMP v3lite, and URD interoperate with each other, so that both IGMP v3lite and URD can easily be used as transitional solutions toward full IGMPv3 support in hosts.
Reference: http://www.cisco.com/c/en/us/td/docs/ios/12_2/ip/configuration/guide/fipr_c/1cfssm.html
Topic 6, Implementing Network Virtualization in Cisco Data Center Environment
NEW QUESTION 15
Which protocol is responsible for the discovery of FCoE capabilities on a remote switch?
Answer: B
Explanation: Data Center Bridging Capabilities Exchange Protocol (DCBX): a discovery and capability exchange protocol that is used for conveying capabilities and configuration of the above features between neighbors to ensure consistent configuration across the network. This protocol leverages functionality provided by IEEE 802.1AB (LLDP). It is actually included in the 802.1az standard.
Reference: http://en.wikipedia.org/wiki/Data_center_bridging
NEW QUESTION 16
Which two RFCs are supported by Cisco NX-OS devices for OSPFv2? (Choose two.)
Answer: AC
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