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Designing Cisco Network Service Architectures
Question No: 161
In which OSI layer does IS-IS operate?
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Layer 1
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Layer 2
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Layer 3
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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.)
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Syslog
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AutoQoS
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NetFlow
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SNMP
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NBAR
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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?
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Configure authentication between the campus and branch offices.
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Enable stub routing on all branch routers.
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Adjust EIGRP k-values to utilize delay.
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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?
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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.
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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.
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Load balancing, firewall services, and other network services are commonly integrated by the use of service modules that are inserted in the aggregation switches.
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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?
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IVR
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FSPF
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FICON
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SANTap
Answer: A Explanation:
IVR = InterVSAN Routing
Question No: 166
What are two characteristics of Cisco Global Site Selector? (Choose two.)
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It helps verify end-to-end path availability.
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It provides traffic rerouting in case of disaster.
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HSRP, GLBP, and VRRP can be clients of GSS.
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BGP must be the routing protocol between the distributed data centers.
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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?
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auto quality of service
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modular quality of service
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differentiated services
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integrated services
Answer: D
Question No: 168
What network storage protocol uses a connection standard incompatible with shared 10Gb Ethernet physical connection?
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SMB
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iSCSI
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FC
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NFS
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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)
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contiguous chain of Level 2 capable routers
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contiguous chain of Level1/Level 2 capable routers
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set of Level 2 configured interfaces
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contiguous Level 1 capable routers
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set of Level 1 configured interfaces
Answer: A,B Explanation:
https://www.cisco.com/en/US/products/ps6599/products_white_paper09186a00800a3e6f.s
html
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;
http://www.ciscopress.com/articles/article.asp?p=26850amp;seqNum=3
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)
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Cisco CWS
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Cisco WSA
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Cisco GETVPN
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Cisco ESA
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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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