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NEW QUESTION 1
Which two statements about SAN zoning on Cisco Nexus switches are true? (Choose two.)
Answer: CF
Explanation: A zone set can be activated or deactivated as a single entity across all switches in the fabric. Only one zone set can be activated at any time. If zoning is not activated, all devices are members of the default zone. If zoning is activated, any device that is not in an active zone (a zone that is part of an active zone set) is a member of the default zone. Zoning can be administered from any switch in the fabric. When you activate a zone (from any switch), all switches in the fabric receive the active zone set. Additionally, full zone sets are distributed to all switches in the fabric, if this feature is enabled in the source switch.
Reference: http://www.cisco.com/en/US/docs/storage/san_switches/mds9000/sw/san-os/quick/guide/qcg_zones.html
NEW QUESTION 2
What is an Overlay Transport Virtualization extended VLAN?
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
NEW QUESTION 3
Which task must be done before a zone set takes effect?
Answer: D
NEW QUESTION 4
How does an FCoE end node acquire its FCoE MAC address?
Answer: C
Explanation: The VN_Port is assigned a fabric-provided Mac address (FPMA) that is built by concatenating a 24-bit FCoE MAC address prefix (FC-MAP), ranging from 0x0E-FC-00 to 0x0E-FC-FF, to the 24-bit FCID. Being able to build a unique MAC address for the VN_Port
directly from its FCID saves the switch from having to maintain a table that associates FCID and MAC addresses.
Reference: http://www.cisco.com/c/en/us/td/docs/solutions/Enterprise/Data_Center/UF_FCoE_final.ht ml
NEW QUESTION 5
If vPC peer keepalives are used between vPC peers, which VRF is used by default?
Answer: A
NEW QUESTION 6
Which protocol is the foundation for unified fabric as implemented in Cisco NX-OS?
Answer: C
Explanation: Fibre Channel over Ethernet (FCoE) is one of the major components of a Unified Fabric. FCoE is a new technology developed by Cisco that is standardized in the Fibre Channel Backbone 5 (FC-BB-5) working group of Technical Committee T11 of the International Committee for Information Technology Standards (INCITS). Most large data centers have huge installed bases of Fibre Channel and want a technology that maintains the Fibre Channel model. FCoE assumes a lossless Ethernet, in which frames are never dropped (as in Fibre Channel) and that therefore does not use IP and TCP.
Reference: http://www.cisco.com/c/en/us/products/collateral/switches/nexus-5000-series-switches/white_paper_c11-495142.html
Topic 2, Implement Security on Cisco Unified Fabric Products in a Cisco Data Center Architecture
NEW QUESTION 7
Which statement about RADIUS configuration distribution using Cisco Fabric Services on a Cisco Nexus 7000 Series Switch is true?
Answer: A
Explanation: CFS does not distribute the RADIUS server group configuration or server and global keys. The keys are unique to the Cisco NX-OS device and are not shared with other Cisco NX- OS devices.
Reference: http://www.cisco.com/c/en/us/td/docs/switches/datacenter/sw/6_x/nx-os/security/configuration/guide/b_Cisco_Nexus_7000_NX- OS_Security_Configuration_Guide Release_6-x/b_Cisco_Nexus_7000_NX- OS_Security_Configuration_Guide Release_6-x_chapter_0101.html
NEW QUESTION 8
Which three attributes encompass a local user account on a Cisco NX-OS device? (Choose three.)
Answer: ACE
NEW QUESTION 9
During Dynamic ARP Inspection, which feature learns the MAC and IP addresses?
Answer: D
NEW QUESTION 10
Which statement about electronic programmable logic device image upgrades is true?
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:
You can execute an upgrade from the active supervisor module only. All the modules, including the active supervisor module, can be updated individually.
•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.
–If you upgrade EPLD images on an offline module, all of the EPLD images are upgraded.
On a system that has two supervisor modules, upgrade the EPLDs for the standby
On a system that has only one supervisor module, you can upgrade the active supervisor, but this will disrupt its operations during the upgrade.
The upgrade process disrupts traffic on the targeted module.
•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
NEW QUESTION 11
Refer to the exhibit.
This multilayer Cisco Nexus switch had been the active virtual gateway for Group 1 before it became temporarily unavailable. What will happen to GLBP Group 1 when this device
becomes available again?
Answer: A
Explanation: GLBP prioritizes gateways to elect an active virtual gateway (AVG). If multiple gateways have the same priority, the gateway with the highest real IP address becomes the AVG. The AVG assigns a virtual MAC address to each member of the GLBP group. Each member is the active virtual forwarder (AVF) for its assigned virtual MAC address, forwarding packets sent to its assigned virtual MAC address.
The AVG also answers Address Resolution Protocol (ARP) requests for the virtual IP address. Load sharing is achieved when the AVG replies to the ARP requests with different virtual MAC addresses.
Note: Packets received on a routed port destined for the GLBP virtual IP address terminate on the local router, regardless of whether that router is the active GLBP router or a redundant GLBP router. This termination includes ping and Telnet traffic. Packets received on a Layer 2 (VLAN) interface destined for the GLBP virtual IP address terminate on the active router.
NEW QUESTION 12
Which statement about core-edge SAN topology is true?
Answer: B
Explanation: The Aggregation layer of the data center provides connectivity for the Access layer switches in the server farm, an aggregates them into a smaller number of interfaces to be connected into the Core layer. In most data center environments, the Aggregation layer is the transition point between the purely Layer 3 routed Core layer, and the Layer 2-switched Access layer. 802.1Q trunks extend the server farm VLANs between Access and Aggregation layers. The Aggregation layer also provides a common connection point to insert services into the data flows between clients and servers, or between tiers of servers in a multi-tier application.
NEW QUESTION 13
Refer to the exhibit.
Which corrective action is taken to resolve the problem?
Answer: C
Explanation: Place interface ethernet 199/1/1 in VLAN 4 in the N5K-2 configuration.
NEW QUESTION 14
Which GLBP load-balancing algorithm ensures that a client is always mapped to the same VMAC address?
Answer: D
NEW QUESTION 15
Which FCoE component is responsible for the encapsulation and de-encapsulation of Fibre Channel frames in Ethernet?
Answer: C
Explanation: The FCoE Logical Endpoint (FCoE_LEP) is responsible for the encapsulation and deencapsulation functions of the FCoE traffic. FCoE_LEP has the standard Fibre Channel layers, starting with FC-2 and continuing up the Fibre Channel Protocol stack.
Reference: https://www.safaribooksonline.com/library/view/ccna-data-center/9780133860429/ch11lev3sec5.html
NEW QUESTION 16
Which feature allows routing protocols to remain in the data path during a supervisor failover?
Answer: A
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