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2021 Jan examcollection 642-996:
Q51. Layer 2 forwarding of multicast traffic with vPC is based on which modified protocol?
A.CGMP
B.PIM SS
C.Auto-RP
D.IGMP snooping
E.Destination-based trees
Answer: D
Q52. Which Cisco UCS Fabric Extender provides up to 160 Gbps of bandwidth to the Cisco UCS chassis?
A.UCS 2208XP
B.UCS 2204XP
C.UCS 2104XP
D.UCS 2108XP
Answer: A
Q53. Given the requirements, which Cisco Nexus product is Cisco recommended?
A rich feature set that makes it well suited to top-of-rack, middle-of-row, or end-of-row access-layer applications.
Data center racks with standards-based 1 and 10 Gigabit Ethernet and FCoE features, and virtual machine awareness features that allow IT departments to consolidate networks.
A combination of high port density, lossless Ethernet, wire-speed performance, and extremely low latency that makes the switch family well suited to meet the growing demand for 10 Gigabit Ethernet.
A.1000v
B.1010
C.2000
D.3000
E.4000
F.5500
Answer: F
Q54. Which option is a feature of warm standby mode in disaster recovery?
A.The applications at the secondary data center are usually ready to start.
B.The backup data center has some applications running actively and some traffic processing the service tasks.
C.The time to recover, also known as Recovery Time Objective, for this scenario can require up to several weeks.
D.Offer the transparent operation and zero disruption required for business continuity.
Answer: A
Q55. Which technology provides the ability to use all links in a LAN topology by providing an active-active path to the upstream switch?
A.STP
B.vPC
C.PVST+
D.RSTP
Answer: B
Renewal 642-996 exam:
Q56. Which three characteristics are associated with the access layer of a Data Center Unified Fabric network? (Choose three.)
A.no packet manipulation
B.QoS—policing
C.voice, data, and wireless convergence
D.scalable routing protocols like OSPF
E.provides default gateway redundancy
F.QoS - classification and queuing
G.routing manipulation and filtering
H.aggregates end users
Answer: CFH
Q57. What is required to be configured in VMware vCenter to allow a VM direct access to a Fibre Channel LUN?
A.DirectPath I/O
B.VM-FEX
C.Adapter FEX
D.Raw Device Mapping
E.Solid State Drive
Answer: D
Q58. Cisco VM-FEX technology extends Cisco Fabric Extender technology to the virtual machine that eliminates which one of the following?
A.The dedicated interface on the parent switch is eliminated.
B.The software-based switch in the hypervisor is eliminated.
C.All virtual machine traffic is eliminated.
D.The need for a physical switch is eliminated.
Answer: B
Q59. What design will effect traffic flows in the Data Center Core layer?
A.The domain needed to extend a VLAN from one switch to another is determined at the core layer
B.With a 3 layer (Access, Aggregation, Core) design the Layer 2 domain must be configured across the Core for VLAN extension to occur
C.Extending Layer 2 through a core causes path blocking by STP and has the risk of uncontrollable broadcast issues related to extending Layer 2 domains, and therefore should be avoided
D.Server-to-server traffic typically travels between aggregation modules by way of the core, while backup and replication traffic remains within the aggregation module
Answer: C
Q60. Which two technologies can overcome the link blocking feature that STP implements to ensure a loop-free topology? (Choose two.)
A.vPC
B.ISSU
C.MEC
D.NX-OS HA
E.GLBP
Answer: AC