2013年8月5日星期一

Meilleur Cisco 642-874 test formation guide

Vous n'avez besoin que de faire les exercices à propos du test Cisco 642-874 offertes par Pass4Test, vous pouvez réussir le test sans aucune doute. Et ensuite, vous aurez plus de chances de promouvoir avec le Certificat. Si vous ajoutez le produit au panier, nous vous offrirons le service 24h en ligne.


Le test Cisco 642-874 est le premier pas pour promouvoir dans l'Industrie IT, mais aussi la seule rue ramenée au pic de succès. Le test Cisco 642-874 joue un rôle très important dans cette industrie. Et aussi, Pass4Test est un chaînon inevitable pour réussir le test sans aucune doute.


Si vous traviallez dur encore pour préparer le test de Cisco 642-874 et réaliser votre but plus vite, Pass4Test peut vous donner une solution plus pratique. Choisir la Q&As de Pass4Test qui vous assure que c'est pas un rêve à réussir le test Cisco 642-874.


Est-que vous s'inquiétez encore à passer le test Certification 642-874 qui demande beaucoup d'efforts? Est-que vous travaillez nuit et jour juste pour préparer le test de Cisco 642-874? Si vous voulez réussir le test Cisco 642-874 plus facilement? N'hésitez plus à nous choisir. Pass4Test vous aidera à réaliser votre rêve.


Les spécialiste profitant leurs expériences et connaissances font sortir les documentations particulière ciblées au test Cisco 642-874 pour répondre une grande demande des candidats. Maintenant, la Q&A plus nouvelle, la version plus proche de test Cisco 642-874 réel est lancée. C'est possible à réussir 100% avec le produit de Cisco 642-874. Si malheureusement, vous ne passez pas le test, votre argent sera tout rendu. Vous pouvez télécharger le démo gratuit en Internet pour examiner la qualité de Q&A. N'hésitez plus d'ajouter le produit au panier, Pass4Test peut vous aider à réussir le rêve.


Avec la version plus nouvelle de Q&A Cisco 642-874, réussir le test Cisco 642-874 n'est plus un rêve très loin pour vous. Pass4Test peut vous aider à réaliser ce rêve. Le test simualtion de Pass4Test est bien proche du test réel. Vous aurez l'assurance à réussir le test avec le guide de Pass4Test. Voilà, le succès est juste près de vous.


Code d'Examen: 642-874

Nom d'Examen: Cisco (Designing Cisco Network Service Architectures)

Questions et réponses: 281 Q&As

642-874 Démo gratuit à télécharger: http://www.pass4test.fr/642-874.html


NO.1 There are 3 steps to confirm whether a range of IP address can be summarized. When of the following
is used in each of these 3 steps?
A. The first number in the contiguous block of addresses
B. The last number in the contiguous block of addresses
C. The size of the contiguous block of addresses
D. The subnet mask of the original network address
Answer: C

Cisco   642-874 examen   642-874 examen   642-874

NO.2 Which virtualization technology allows multiple physical devices to be combined into a single logical
device?
A. device visualization
B. device clustering
C. server visualization
D. network visualization
Answer: B

Cisco examen   certification 642-874   642-874

NO.3 As a critical part of the design for the Enterprise Campus network, which of the following two are true
concerning intrusion detection and prevention solution? (Choose two)
A. IDS is capable of both inline and promiscuous monitoring, while IPS is only capable of promiscuous
monitoring
B. IDS will stop malicious traffic from reaching its intended target for certain types of attacks.
C. IPS processes information on Layers 3 and 4 as well as analyzing the contents and payload of the
packets for more sophisticated embedded attacks (Layers 3 to 7)
D. IPS inspects traffic statefully and needs to see both sides of the connection to function properly
E. IDS placement at the perimeter of Data Center outside the firewall generates many warnings that have
relatively low value because no action is likely to be taken on this information
Answer: C,D

Cisco examen   certification 642-874   642-874 examen   642-874   642-874 examen   642-874

NO.4 Which of these technologies is characterized as being a multipoint Layer 2 VPN that connects two or
more customer devices using Ethernet bridging techniques?
A. DPT
B. MPLS
C. VPLS
D. CWDM
E. DWDM
F. SONET/SDH
Answer: C

certification Cisco   642-874   642-874   642-874   642-874 examen

NO.5 Which of these recommendations is most appropriate for the core layer in the Cisco Campus
Architecture?
A. Utilize Layer 3 switching
B. Utilize software accelerated services
C. Aggregate end users and support a feature-rich environment
D. Perform packet manipulation and filtering at the core layer
E. Use redundant point to-point Layer 2 interconnections when where is a link or node failure.
Answer: A

certification Cisco   642-874   642-874 examen

NO.6 DRAG DROP
Drag the best practice recommendation for an Enterprise Campus network on the left to the technology to
which it most applies on the right.
Answer:

NO.7 OSPF stub areas are an important tool for the Network designer; which of the following two should be
considered when utilizing OSPF stub areas? (Choose two)
A. OSPF stub areas increase the size of the LSDB with the addition of Type 3 and 5 LSAs
B. OSPF not so stubby areas are particularly useful as a simpler form of summarization
C. OSPF stub areas are always insulated from external changes
D. OSPF stub areas can distinguish among ASBRs for destinations that are external to the OSPF domain
E. OSPF totally stubby areas cannot distinguish among ABRs for the best route to destinations outside
the area
Answer: C,E

certification Cisco   642-874   certification 642-874   642-874   642-874

NO.8 Which of these Layer 2 access designs does not support VLAN extensions?
A. FlexLinks
B. loop-free U
C. looped square
D. looped triangle
Answer: B

certification Cisco   642-874   certification 642-874   642-874 examen

NO.9 Which of the following is true concerning best design practices at the switched Access layer of the
traditional layer2 Enterprise Campus Network?
A. Cisco NSF with SSO and redundant supervisors has the most impact on the campus in the Access
layer
B. Provides host-level redundancy by connecting each end device to 2 separate Access switches
C. Offer default gateway redundancy by using dual connections from Access switches to redundant
Distribution layer switches using a FHRP
D. Include a link between two Access switches to support summarization of routing information
Answer: A

Cisco examen   642-874   certification 642-874   642-874   certification 642-874

NO.10 DRAG DROP
Drag the characteristic on the left the associated firewall deployment or topology on the right.
Answer:

NO.11 Why is STP required when VLANs span access layer switches?
A. to ensure a loop-free topology
B. to protect against user-side loops
C. in order to support business applications
D. because of the risk of lost connectivity without STP
E. for the most deterministic and highly available network topology
Answer: B

Cisco   certification 642-874   certification 642-874   642-874 examen

NO.12 When an Enterprise Campus network designer is addressing the merger of two companies with
different IGPs, which of the following is considered a superior routing design?
A. Eliminate the management and support for redistribution by choosing and cutting over to a single IGP
at the time of merger
B. Maintain distinct pockets across a moving boundary of routing protocols, redistributing between them
C. Manipulate the administrative distance of the different IGPs to be equal throughout the network
D. Leave the IGPs independent without redistribution wherever communication between company entities
is not required
Answer: B

certification Cisco   642-874   642-874

NO.13 Which two of these are characteristics of MPLS VPNs? (Choose two)
A. Layer 3 MPLS VPNs can forward only IP packets
B. Layer 2 MPLS VPNs can forward any network protocol
C. MPL S label paths are automatically formed based on Layer 2 frames
D. Layer 3 MPLS VPNs can forward any network protocol based on Layer 2 frames
E. In Layer 2 MPLS VPNS, the service provider controls the customer Layer 3 policies
Answer: A,B

Cisco   642-874   642-874 examen

NO.14 How does ERS use the VLAN tag?
A. to provide service internetworking
B. to support transparency for Layer 2 frames
C. as a connection identifier to indicate destination
D. as a mapping to the DLCI in service internetworking
E. to provide a trunk by which all VLANs can navigate from one site to one or multiple sites
Answer: C

certification Cisco   642-874   642-874   certification 642-874

NO.15 Which two statements are correct regarding Flex Links? (Choose two)
A. An interface can belong to multiple Flex Links.
B. Flex Links operate only over single pairs of links.
C. Flex Link pairs must be of the same interface type
D. Flex Links automatically disable STP so no BPDUs are propagated
E. Failover from active to standby on Flex Links takes less than a second
Answer: B,D

Cisco   642-874 examen   certification 642-874   642-874 examen

NO.16 In base e-Commerce module designs, where should firewall perimeters be placed?
A. core layer
B. Internet boundary
C. aggregation layer
D. aggregation and core layers
E. access and aggregation layers
Answer: A

Cisco   642-874 examen   certification 642-874   642-874

NO.17 DRAG DROP
Drag the characteristic on the left to the corresponding IPSec VPN solution on the right.
Answer:

NO.18 Which three routing protocols can minimize the number of routes advertised in the network? (Choose
three)
A. IGRP
B. RIPv2
C. OSPF
D. EIGRP
E. BGP
Answer: B,C,D

Cisco   642-874   642-874   642-874   certification 642-874

NO.19 Which three Layer 2 access designs have all of their uplinks in an active state? (Choose three.)
A. Flex Links
B. loop free U
C. looped square
D. looped triangle
E. loop-tree inverted U
Answer: B,C,E

Cisco examen   642-874   642-874   642-874   642-874

NO.20 Which technology is an example of the need for a designer to clearly define features and desired
performance when designing advanced WAN services with a service provider?
A. FHRP to remote branches.
B. Layer 3 MPLS VPNs secure routing
C. Control protocols (for example Spanning Tree Protocol) for a Layer 3 MPLS service.
D. Intrusion prevention, QoS, and stateful firewall support network wide.
Answer: B

certification Cisco   642-874 examen   642-874

Il demande les connaissances professionnelles pour passer le test Cisco 642-874. Si vous manquez encore ces connaissances, vous avez besoin de Pass4Test comme une resourece de ces connaissances essentielles pour le test. Pass4Test et ses experts peuvent vous aider à renfocer ces connaissances et vous offrir les Q&As. Pass4Test fais tous efforts à vous aider à se renforcer les connaissances professionnelles et à passer le test. Choisir le Pass4Test peut non seulement à obtenir le Certificat Cisco 642-874, et aussi vous offrir le service de la mise à jour gratuite pendant un an. Si malheureusement, vous ratez le test, votre argent sera 100% rendu.


没有评论:

发表评论