[Free] 2017(Nov) Dumps4cert Testinsides Cisco 300-165 Dumps with VCE and PDF Download 41-50

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Implementing Cisco Data Center Infrastructure

Question No: 41 – (Topic 3)

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

  1. EPLD and ISSU image upgrades are nondisruptive.

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

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

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

Answer: D Explanation:

You can upgrade (or downgrade) EPLDs using CLI commands on the Nexus 7000 Series device. Follow these guidelines when you upgrade or downgrade EPLDs:

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Dumps4Cert 2017 PDF and VCE

You can execute an upgrade from the active supervisor module only. All the modules, including the active supervisor module, can be updated individually.

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You can individually update each module whether it is online or offline as follows:

If you upgrade EPLD images on an online module, only the EPLD images with version

numbers that differ from the new EPLD images are upgraded.

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Dumps4Cert 2017 PDF and VCE

If you upgrade EPLD images on an offline module, all of the EPLD images are upgraded.

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Dumps4Cert 2017 PDF and VCE

On a system that has two supervisor modules, upgrade the EPLDs for the standby supervisor and then switch the active supervisor to standby mode to upgrade its EPLDs. On a system that has only one supervisor module, you can upgrade the active supervisor, but this will disrupt its operations during the upgrade.

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If you interrupt an upgrade, you must upgrade the module that is being upgraded again.

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The upgrade process disrupts traffic on the targeted module.

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Do not insert or remove any modules while an EPLD upgrade is in progress.

Reference: http://www.cisco.com/c/en/us/td/docs/switches/datacenter/sw/4_0/epld/release/notes/epld_ rn.html

Question No: 42 – (Topic 3)

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Dumps4Cert 2017 PDF and VCE

Dumps4Cert 2017 PDF and VCE

Dumps4Cert 2017 PDF and VCE

What is effect of the command “fabricpath load-balance unicast Iayer3”?

  1. It configures F2 VDC FabricPath unicast load balancing

  2. The command automatically load balances broadcast traffic

  3. It configures F1/MI VDC FabricPath unicast load balancing

  4. It configures M1 VDC FabricPath unicast load balancing

Answer: C Explanation:

The F1 cards are complemented by M1 card for routing purposes. When using M1 cards in the same virtual device context (VDC) as the F1 card, routing is offloaded to the M1 cards, and more routing capacity is added to the F1 card by putting more M1 ports into the same VDC as the F1 card.

Topic 4, Implement Data Center Protocols

Question No: 43 – (Topic 4)

Which three Cisco UCS C-Series CNAs support Adapter FEX? (Choose three.)

  1. Qlogic QLE8152

  2. Broadcom BCM57712

  3. Cisco UCS P81E

  4. Cisco UCS VIC 1220

  5. Emulex OCe10102-FX-C

  6. Intel X520

Answer: B,C,D

Reference: http://www.cisco.com/c/en/us/td/docs/unified_computing/ucs/c- series_integration/ucsm2-1/b_UCSM2-1_C-Integration/b_UCSM2-1_C- Integration_chapter_011.html#reference_D644111FC68046F0BEA49756A0834664

Question No: 44 – (Topic 4)

Which two Cisco Nexus platforms support Adapter FEX? (Choose two.)

  1. Cisco Nexus 7000 Series Switches

  2. Cisco Nexus 5000 Series Switches

  3. Cisco Nexus 5500 Series Switches

  4. Cisco Nexus 4000 Series Switches

  5. Cisco Nexus 2000 Series Fabric Extenders

Answer: C,E Explanation:

At the access layer, the Adapter-FEX requires a FEX-enabled adapter on a server that connects to a parent device that supports virtualization of interfaces. The Adapter-FEX is supported on the following platforms:

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The Cisco Unified Computing System (UCS) platform supports Adapter-FEX between UCS servers and the UCS Fabric Interconnect.

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The Adapter-FEX is supported on the Cisco Nexus 5500 Series platform and on the Cisco Nexus 2200 Fabric Extender that is connected to a Cisco Nexus 5500 Series parent device. This implementation works on a variety of FEX-capable adapters, including the Cisco UCS P81E virtual interface card (VIC) adapter for the UCS C-Series platform and third party adapters such as the Broadcom BCM57712 Convergence Network Interface Card, that implement the virtual network tag (VNTag) technology.

Reference:

er_fex/513_n1_1/ops_adapter_fex/ops_using_adapter_fex.html

Question No: 45 – (Topic 4)

Which policy-map action performs congestion avoidance?

  1. priority

  2. bandwidth

  3. queue-limit

  4. random-detect

Answer: D Explanation:

Congestion avoidance techniques monitor network traffic loads in an effort to anticipate and avoid congestion at common network bottlenecks. Congestion avoidance is achieved through packet dropping. Among the more commonly used congestion avoidance mechanisms is Random Early Detection (RED), which is optimum for high-speed transit networks. Cisco IOS QoS includes an implementation of RED that, when configured, controls when the router drops packets. If you do not configure Weighted Random Early Detection (WRED), the router uses the cruder default packet drop mechanism called tail drop.

Reference: http://www.cisco.com/c/en/us/td/docs/ios/12_2/qos/configuration/guide/fqos_c/qcfconav.ht ml

Question No: 46 – (Topic 4)

What is an Overlay Transport Virtualization extended VLAN?

  1. the VLAN used to locate other AEDs

  2. the VLAN used to access the overlay network by the join interface

  3. the user VLAN that exists in multiple sites

  4. the VLAN that must contain the overlay interface

Answer: C Explanation: Functions of OTV

->Maintains a list of overlays

->Maintains a list of configured overlay parameters such as name, multicast address, encapsulation type, authentication, and OTV feature sets

->Maintains the state of the overlay interface

->Maintains the status of OTV VLAN membership from Ethernet infrastructure and the state of the authoritative edge device (AED) from IS-IS

->Maintains a database of overlay adjacencies as reported by IS-IS

->Maintains IP tunnel information and manages the encapsulation for data sent on the overlay network

->Manages delivery groups (DGs) for each overlay by snooping multicast traffic and monitoring traffic streams for active DGs

->Configures, starts, and stops the OTV IS-IS instance

->Interfaces with IP multicast to join provider multicast groups for each overlay

Question No: 47 – (Topic 4)

What must be enabled on the interface of a multicast-enabled device to support the Source Specific Multicast feature?

  1. IGMP version 3

  2. IGMP version 2

  3. IGMP version 1

  4. PIM

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

Question No: 48 – (Topic 4)

Which two items are required components of VN-Link in software? (Choose two.)

  1. VDC

  2. VEM

  3. vPC

  4. VSM

  5. VRRP

Answer: B,D Explanation:

The Cisco Nexus 1000V Series consists of two main types of components that can virtually emulate a 66-slot modular Ethernet switch with redundant supervisor functions:

  • Virtual Ethernet module (VEM)-data plane: This lightweight software component runs inside the hypervisor. It enables advanced networking and security features, performs switching between directly attached virtual machines, provides uplink capabilities to the rest of the network, and effectively replaces the vSwitch. Each hypervisor is embedded with one VEM.

  • Virtual supervisor module (VSM)-control plane: This standalone, external, physical or virtual appliance is responsible for the configuration, management, monitoring, and diagnostics of the overall Cisco Nexus 1000V Series system (that is, the combination of the VSM itself and all the VEMs it controls) as well as the integration with VMware vCenter. A single VSM can manage up to 64 VEMs. VSMs can be deployed in an active-standby model, helping ensure high availability.

  • Reference: http://www.cisco.com/c/en/us/solutions/collateral/switches/nexus-1000v-switch- vmware-vsphere/white_paper_c11-525307.html

    Question No: 49 – (Topic 4)

    Which two issues explain why a packet is not being routed as desired in a policy-based routing configuration? (Choose two.)

    1. The route map is not applied to the egress interface.

    2. The route map is not applied to the ingress interface.

    3. The next hop that is configured in the route map is not in the global routing table.

    4. The next hop that is configured in the route map has a higher metric than the default next hop.

    Answer: C,D Explanation:

    The next hop that is configured in the route map is not in the global routing table then the packet will not be forwarded as desired. The next hop that is configured in the route map has a higher metric than the default next hop.

    Question No: 50 – (Topic 4)

    Which feature enables NIV?

    1. EHV

    2. vPC

    3. Cisco FabricPath

    4. Cisco OTV

    5. VN-Tag

    Answer: A Explanation:

    EHV is the feature that enables NIV.

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