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Cisco 642-874 Designing Cisco Network Service Architectures 20 Q&A Version DEMO http://www.topcerts.com/642-874.htm
Cisco 642-874Designing Cisco Network Service Architectures
20 Q&A
Version DEMO
http://www.topcerts.com/642-874.htm
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www.prep2pass.com Q: 1 DRAG DROP
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Answer: Check prep2pass eEngine, Download from Member Center
www.prep2pass.com Q: 2 Which routing protocol best fits these requirements?-Supported by multiple router vendors-Requires minimum router CPU and memory resources-Uses a simple routing metric-Supports manual or automatic route summarization
A. EIGRPB. OSPFC. IS-ISD. RIPv2
Answer: D
www.prep2pass.com Q: 3 Refer to the exhibit.
Which two statements about the topologies shown are correct? (Choose two.)
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A. Design 1 is a looped triangle design.B. Design 2 is a looped triangle design.C. Design 2 achieves quick convergence using RSTP.D. Both designs support stateful services at the aggregation layer.E. Design 2 is the most widely deployed in enterprise data centers.
Answer: A, D
www.prep2pass.com Q: 4 Which two of the following Cisco router platformssupport Multicast Distributed Fast Switching? (Choose two.)
A. 3600 seriesB. 7200 series with NSE-1C. 7500 seriesD. 12000 series
Answer: C, D
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www.prep2pass.com Q: 5 Which two of these are characteristics of multicastrouting? (Choose two.)
A. multicast routing uses RPF.B. multicast routing is connectionless.C. In multicast routing, the source of a packet is known.D. When network topologies change, multicast distribution trees are not rebuilt, but usethe original pathE. Multicast routing is much like unicast routing, with the only difference being that ithas a a group of receivers rather than just one destination
Answer: A, C
www.prep2pass.com Q: 6 Which IOS QoS enhancement was created to addressscalability and bandwidth guarantee issues?
A. DiffServB. IntServC. RSVPD. WFQ
Answer: C
www.prep2pass.com Q: 7 Refer to the exhibit.
When deploying an MSFC and an FWSM, which statement is correct?
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A. Proper placement depends on the VLAN assignment.B. Place it outside the firewall.C. Place it inside the firewall to make design and management easier.D. Place it inside the firewall with multiple context modes connecting to all configuredcontexts.
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Answer: A
www.prep2pass.com Q: 8 Sun Stable is a global insurance company withheadquarters located in Houston, Texas. The campus there is made up of a numberof office buildings located within the same vicinity. In 2003, a new building,Building 331B was added. The additional building houses approximately 1000employees. Rather than deploy a private branch exchange (PBX) in the newbuilding, Sun Stable has decided to implement an IP telephony solution. Externalcalls will be carried across a MAN link to another building, where a gatewayconnects into the worldwide PBX network of Sun Stable. Voice mail and unifiedmessaging components are required and all IP phones and workstations should beon separate VLANs and IP subnets.Which IP telephony deployment best suits their need?
A. single-siteB. multisite with centralized call processingC. multisite with distributed call processingD. clustering over the WAN
Answer: A
www.prep2pass.com Q: 9 Which roaming option will keep them on the same IPsubnet when client traffic is being bridged through LAN interfaces on two WLCs?
A. Layer 1 intercontroller roamingB. Layer 2 intercontroller roamingC. Layer 3 intercontroller roamingD. Layer 4 intercontroller roaming
Answer: B
www.prep2pass.com Q: 10 Scalability is provided in the server farm module bywhich of the following design strategies?
A. up to 10 Gbps of bandwidth at the access levelB. redundant servers at the access levelC. modular block design at the access levelD. high port densities at the access level
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Answer: C
www.prep2pass.com Q: 11 Which three of these are major scaling, sizing, andperformance considerations for an IPsec design? (Choose three.)
A. connection speedB. number of remote sitesC. features to be supportedD. types of devices at the remote siteE. whether packets are encrypted using 3DES or AESF. number of routes in the routing table at the remote site
Answer: A, B, C
www.prep2pass.com Q: 12 Which three components comprise the AVVIDframework? (Choose three.)
A. common network infrastructureB. abstracted integrationC. network solutionsD. intelligent network services
Answer: A, C, D
www.prep2pass.com Q: 13 What is the term for a logical SAN which providesisolation among devices physically connected to the same fabric?
A. ISLB. IVRC. VoQD. VSANsE. Enhanced ISL
Answer: D
www.prep2pass.com Q: 14 Scalability is provided in the server farm module bywhich of the following design strategies?
A. up to 10 Gbps of bandwidth at the access level
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B. redundant servers at the access levelC. modular block design at the access levelD. high port densities at the access level
Answer: C
www.prep2pass.com Q: 15 One of your customers is using the G.711 codec with802.11a access point radios. This can support a maximum of how many phones peraccess point?
A. 8B. 14C. 23D. 7E. 19
Answer: D
www.prep2pass.com Q: 16 A company is using a multi-site centralized callprocessing model. Which feature ensures that the remote site IP phones will stillhave limited functionality given a WAN outage?
A. Call Admission ControlB. TAPIC. MGCPD. SRST
Answer: D
www.prep2pass.com Q: 17 As an experienced technician, you are responsible forTechnical Support. A customer calls to ask the best signal level and noise level forcell phone. How to respond?
A. -40dBm signal and -90dBm noiseB. -50dBm signal and -90dBm noiseC. -30dBm signal and -90dBm noiseD. -20dBm signal and -90dBm noise
Answer: A
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www.prep2pass.com Q: 18 As an experienced technician, you are responsible forTechnical Support. Which of the following descriptions is correct about thecharacteristic of SLB one arm mode?
A. This out-of-band approach supports scalingB. SLB is not inline.C. Mode is not as common as bridge or routed mode.D. Return traffic requires PBR, server default gateway pointing to SLB, or client sourceNAT.
Answer: C
www.prep2pass.com Q: 19 Which design topology incurs a performance penaltysince there are two encryption-decryption cycles between any two remote sites?
A. peer-to-peerB. peer-to-peerC. partial meshD. hub and spokeE. full mesh
Answer: D
www.prep2pass.com Q: 20 Users at the Charleville Company began experiencinghigh network delays when Internet connectivity was enabled for all users. Afterinvestigating the traffic flow, you determine that peer-to-peer traffic from a musicdownload site is consuming a large amount of bandwidth. Which QoS mechanismcan you implement to improve the network response time?
A. Use CBWFQ to queue the peer-to-peer traffic into the default traffic class.B. Use class-based WRED to randomly drop the peer-to-peer traffic during networkcongestions.C. Use class-based policing to limit the peer-to-peer traffic rate.D. Use class-based shaping to delay any excessive peer-to-peer traffic.
Answer: C
