642-998試験無料問題集（182題）「Cisco Designing Cisco Data Center Unified Computing 認定」

出題：1

When multicast traffic is a required design element, why is the Cisco UCS 6248UP a better choice than the Cisco UCS 6140XP?

A. Cisco UCS 6140XP does not support IGMP snooping on uplink interfaces.

B. Cisco UCS 6248UP supports PIM dense mode rendezvous points.

C. Cisco UCS 6248UP supports dynamic queue mapping of IGMP v3 requests.

D. Cisco UCS 6248UP employs separate unicast and multicast egress queues.

E. Cisco UCS 6140XP does not allow multicast traffic propagation.

正解：D 解答を投票する

出題：2

How many bits are available for group IDs in an IPv6 Multicast IP address?

A. 128

B. 112

C. 96

D. 65

正解：B 解答を投票する

解説: (GoShiken メンバーにのみ表示されます)

出題：3

You are designing data center core layer interconnections. Which three options are benefits of using separate LAN and Layer 3 data center interconnects as compared to a stretched Layer 2 design? (Choose three.)

A. Intra-data center traffic flows are switched locally in the data center core.

B. Both data center and LAN traffic is switched in the data center core.

C. A logical separation of change control exists for the two core layers.

D. A data center has a logical separation point for moving to an offsite location without redesign.

E. This kind of topology can be converted easily to a Cisco FabricPath topology.

F. Fault tolerance in LAN and the data center core layer is managed by using the STP.

正解：A,C,D 解答を投票する

出題：4

Which two important benefits result from deploying Cisco Catalyst 4948 Switches in a top-of-rack access layer design? (Choose two.)

A. improved server density

B. increased fault tolerance

C. simpler logical density

D. improved power distribution

E. simpler logical topology

正解：D,E 解答を投票する

出題：5

You plan to implement a new data center solution that will use an IGP. Which routing protocol must you use in a large full-mesh network that requires fast convergence and scalability?

A. EIGRP

B. LDP

C. RIP

D. BGP

E. IS-IS

正解：E 解答を投票する

出題：6

Which item is a component of Cisco DCNM?

A. Cisco DCNM for B- and C-Series servers

B. Cisco DCNM FabricPath license

C. Cisco DCNM for SAN and Cisco DCNM for LAN

D. Cisco DCNM for Cisco UCS Manager

正解：C 解答を投票する

出題：7

Which statement about Cisco VM-FEX technology is true?

A. VIC CNAs provide software-based switching of traffic to and from virtual machine interfaces.

B. VM-FEX collapses virtual and physical networking infrastructure into a single infrastructure that is fully aware of the virtual machine locations and networking policies.

C. VM-FEX eliminates the need for VMware integration and virtual machine management performed through the VMware vCenter.

D. The Cisco VICs supports up to 1024 dynamic virtual adapters and interfaces.

E. VM-FEX requires a Cisco VIC CNA and supports only static vNICs and single-OS deployments.

正解：B 解答を投票する

出題：8

DRAG DROP

正解：

Explanation:

出題：9

Which option can be used to provide a nonproprietary method of load balancing and redundancy between the access and aggregation layers in the data center?

A. LACP

B. PAgP port channel

C. host vPC

D. vPC

E. vPC+

正解：A 解答を投票する

出題：10

You have a vPC domain that contains a Cisco Nexus 5000 Series pair. You plan to implement HSRP. Which feature must you enable to ensure that forwarding paths are load balanced between two active gateways?

A. peer-gateway

B. peer-switch

C. auto-recovery

D. role-priority

正解：A 解答を投票する

642-998試験無料問題集「Cisco Designing Cisco Data Center Unified Computing 認定」