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NEW QUESTION NO: 70
Which three protocols support VLSM? (Choose three.)
A. RIPv1
B. OSPF
C. IGRP
D. EIGRP
E. RIPv2
Answer: B,D,E

NEW QUESTION NO: 71

Select and Place:

Answer: 

Explanation/Reference:
Space: amount of racks, equipment, cabling, people
Weight load: rack servers vs blade servers
Power: variability of computing load, computing power and memory requirements Cooling: arranging equipment racks face-to-face or back-to-back Cabling: abundant, variable, well organized and easy to maintain
Security: disasters, fire suppression and alarm systems
please refer to the link below.
Link:
http://www.cisco.com/application/pdf/en/us/guest/netsol/ns107/c649/ccmigration_09186a008073377d.pdf

NEW QUESTION NO: 72
An enterprise campus module is typically made up of four submodules, as described by the Cisco Enterprise Architecture Model. Which two submodulesare part of this module?
A. DMZ
B. enterprise branch
C. building distribution
D. server farm/data center
E. MAN
Answer: C,D
Explanation/Reference:
Explanation:

NEW QUESTION NO: 73

Select and Place:

Answer: 

Explanation/Reference:
NetFlow facilitates solutions to many common problems encountered by IT professionals.
* Analyze new applications and their network impact
Identify new application network loads such as VoIP or remote site additions.
* Reduction in peak WAN traffic
Use NetFlow statistics to measure WAN traffic improvement from application-policy changes; understand who is utilizing the network and the network top talkers.
* Troubleshooting and understanding network pain points
Diagnose slow network performance, bandwidth hogs and bandwidth utilization quickly with command line interface or reporting tools.
* Detection of unauthorized WAN traffic
Avoid costly upgrades by identifying the applications causing congestion.
* Security and anomaly detection
NetFlow can be used for anomaly detection and worm diagnosis along with applications such as Cisco CS- Mars.
* Validation of QoS parameters
Confirm that appropriate bandwidth has been allocated to each Class of Service (CoS) and that no CoS is over- or under-subscribed.

NEW QUESTION NO: 74
A campus network needs end-to-end QoS tools to manage traffic and ensure voice quality. Which three types of QoS tools are needed? (Choose three.)
A. interface queuing and scheduling
B. congestion management
C. compression and fragmentation
D. bandwidth provisioning
E. traffic classification
F. buffer management
Answer: A,D,E
Explanation/Reference:
Explanation:
Campus LAN QoS Considerations
For the access layer of the campus LAN, you can classify and mark frames or packets to apply quality of service (QoS) policies in the distribution or at the enterprise edge. Classification is a fundamental building block of QoS and involves recognizing and distinguishing between different traffic streams. For example, you distinguish between HTTP/HTTPS, FTP, and VoIP traffic. Without classification, all traffic is treated the same.

NEW QUESTION NO: 75
Which two can be used as a branch office WAN solution? (Choose two.)
A. frame relay
B. MPLS
C. Metro Ethernet
D. GPRS
E. dial-up modem
F. 3G USB modems
Answer: B,C
Explanation/Reference:
Explanation: Explanation
Frame relay is old 'shared' technology today's sites use some flavor or Metro E or MPLS/VPN

NEW QUESTION NO: 76
Which three items pertain to EIGRP? (Choose three.)
A. Can use multiple unequal paths.
B. Routes are redistributed as type 2 by default.
C. ASN and K values must match to form neighbors.
D. Uses multicast address 224.0.0.9 for updates.
E. Exchanges full routing table every 30 seconds.
F. Summary routes have AD of 90.
G. External routes have AD of 170.
Answer: A,C,G
Explanation/Reference:
Explanation:

NEW QUESTION NO: 77
What is the recommended spanning tree protocol to use for all Layer 2 deployments in a branch office environment?
A. CST
B. RSPT
C. PVST
D. MISTP
E. Rapid PVST +
Answer: E
Explanation/Reference:
Explanation:

NEW QUESTION NO: 78
In the enterprise data center, which are the three main components? (Choose three.)
A. Network Infrastructure
B. Interactive services
C. Data Center Management
D. Internet services
E. WAN services
F. VPN and remote access
Answer: A,B,C
Explanation/Reference:
Explanation:

Network infrastructure: Gigabit and 10 Gigabit Ethernet, InfiniBand, optical transport and storage switching Interactive services: Computer infrastructure services, storage services, security, application optimization DC management: Cisco Fabric Manager and Cisco VFrame for server and service management

NEW QUESTION NO: 79
Which three are associated with the distribution layer within the campus design? (Choose three.)
A. access layer aggregation
B. route summarization
C. network trust boundary
D. next-hop redundancy
E. layer 2 switching
F. port security
G. broadcast suppression
Answer: A,B,D
Explanation/Reference:
Explanation:
Distribution Layer Best Practices
As shown in Figure 3-6, the distribution layer aggregates all closet switches and connects to the core layer.
Design considerations for the distribution layer include providing wirespeed performance on all ports, link redundancy, and infrastructure services. The distribution layer should not be limited on performance. Links to the core must be able to support the bandwidth used by the aggregate access layer switches.
Redundant links from the access switches to the distribution layer and from the distribution layer to the core layer allow for high availability in the event of a link failure. Infrastructure services include quality of service (QoS) configuration, security, and policy enforcement. Access lists are configured in the distribution layer.

The following are recommended best practices at the distribution layer:
Use first-hop redundancy protocols. Hot Standby Router Protocol (HSRP) or Gateway Load Balancing Protocol (GLBP) should be used if you implement Layer 2 links between the Layer 2 access switches and the distribution layer.
Use Layer 3 routing protocols between the distribution and core switches to allow for fast convergence and load balancing.
Only peer on links that you intend to use as transit.

NEW QUESTION NO: 80
Your supervisor wants you to recommend a management protocol that will allow you to track overall bandwidth utilization, utilization by traffic type, and utilization by source and destination.
Which is ideally suited for this function?
A. MRTG
B. NetFlow
C. RRD
D. SNMP
Answer: B
Explanation/Reference:
Explanation:
NetFlow
Cisco NetFlow allows the tracking of IP flows as they are passed through routers and multilayer switches.
IP flows are a set of IP packets within a specific timeslot that share a number of properties, such as the same source address, destination address, type of service, and protocol number. NetFlow information is forwarded to a network data analyzer, network planning tools, RMON applications, or accounting and billing applications. Net-Flow allows for network planning, traffic engineering, billing, accounting, and application monitoring. The most recent version of NetFlow is NetFlow Version 9, which is defined in RFC
3954. NetFlow consists of three major components: