[Free] 2018(July) Dumps4cert Cisco 400-051 Dumps with VCE and PDF Download 161-170

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Designing Cisco Network Service Architectures

Question No: 161

In which OSI layer does IS-IS operate?

  1. Layer 1

  2. Layer 2

  3. Layer 3

  4. Layer 4

Answer: B

Question No: 162

Which two network management capabilities that are embedded in Cisco IOS Software will baseline existing application traffic? (Choose two.)

  1. Syslog

  2. AutoQoS

  3. NetFlow

  4. SNMP

  5. NBAR

  6. Logging

Answer: C,E

Question No: 163

A campus network utilizes EIGRP to connect to several remote branch offices. Which configuration should be established on all branch routers to improve routing scalability and performance?

  1. Configure authentication between the campus and branch offices.

  2. Enable stub routing on all branch routers.

  3. Adjust EIGRP k-values to utilize delay.

  4. Utilize offset lists to direct traffic more efficiently.

Answer: B

Question No: 164

Which unique characteristics of the Data Center Aggregation layer must be considered by an Enterprise Campus designer?

  1. Layer 3 routing between the Access and Aggregation layers facilitates the ability to span VLANs across multiple access switches, which is a requirement for many server virtualization and clustering technologies.

  2. quot;East-westquot; server-to-server traffic can travel between aggregation modules by way of the core, but backup and replication traffic typically remains within an aggregation module.

  3. Load balancing, firewall services, and other network services are commonly integrated by the use of service modules that are inserted in the aggregation switches.

  4. Virtualization tools allow a cost effective approach for redundancy in the network design by using two or four VDCs from the same physical switch.

Answer: C

Question No: 165

Which technology allows centralized storage services to be shared across different VSANs?

  1. IVR

  2. FSPF

  3. FICON

  4. SANTap

Answer: A Explanation:

IVR = InterVSAN Routing

Question No: 166

What are two characteristics of Cisco Global Site Selector? (Choose two.)

  1. It helps verify end-to-end path availability.

  2. It provides traffic rerouting in case of disaster.

  3. HSRP, GLBP, and VRRP can be clients of GSS.

  4. BGP must be the routing protocol between the distributed data centers.

  5. DNS responsiveness is improved by providing centralized domain management.

Answer: B,E

Question No: 167

An engineer is designing a QoS architecture for a small organization and must meet these requirements:

*Guarantees resources for a new traffic flow prior to sending

*Polices traffic when the flow does not conform Which QoS architecture model will accomplish this?

  1. auto quality of service

  2. modular quality of service

  3. differentiated services

  4. integrated services

Answer: D

Question No: 168

What network storage protocol uses a connection standard incompatible with shared 10Gb Ethernet physical connection?

  1. SMB

  2. iSCSI

  3. FC

  4. NFS

  5. CIFS

Answer: C

Question No: 169

Which two elements comprise the backbone area while designing a new network utilizing IS-IS as the interior gateway protocol (choose two)

  1. contiguous chain of Level 2 capable routers

  2. contiguous chain of Level1/Level 2 capable routers

  3. set of Level 2 configured interfaces

  4. contiguous Level 1 capable routers

  5. set of Level 1 configured interfaces

Answer: A,B Explanation:



quot;Backbone IS-IS does not have a backbone area like the OSPF area 0. The IS-IS backbone is a contiguous collection of Level 2-capable routers, each of which can be in a different areaquot;


quot;In most designs with routing hierarchy, the Level 2 routers are also Level 1 routers by virtue of their

identification with a certain area. Therefore, in IS-IS, a router can function as Level 1-only or Level 2-only and possibly as both Level 1 and Level 2 (Level 1-2). Level 1-2 routers act as border routers to their respective areas, providing connectivity to other areas. The Level 2 backbone is essentially a virtual IS-IS area consisting of routers engaged in Level 2 routingquot;

Question No: 170

Which two technologies provide web and URL filtering and mitigate zero-day malware? (Choose two)

  1. Cisco CWS

  2. Cisco WSA

  3. Cisco GETVPN

  4. Cisco ESA

  5. NAT/PAT

Answer: A,B Explanation:

Cisco CWS: Cisco Cloud Web Security https://www.cisco.com/c/en/us/products/collateral/security/cloud-web- security/data_sheet_c78-729637.html

Cisco WSA: Cisco Web Security Appliance https://www.cisco.com/c/en/us/products/collateral/security/content-security-management- appliance/datasheetc78-729630.html

Cisco ESA: Email Security Appliance

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