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Q41. An organization is conducting an evaluation on the migration to IPv6 within the enterprise network and has requested clarification on recommended migration strategies. What three migration models would accomplish the organization's goal? (Choose three.)
A. Dual Stack
B. Service Block
C. Top-Down
D. Hybrid
E. Tunneled
F. Fork-Lift
Answer: A,B,D
Q42. Which three modular components are part of the Cisco Enterprise Edge Architecture? (Choose three.)
A. e-commerce module
B. Internet connectivity module
C. server farm module
D. remote access and VPN module
E. PSTN services module
F. enterprise branch module
G. building distribution module
Answer: A,B,D
Q43. A network engineer is following the three tiered Network Hierarchical Model. At which tier is
route summarization implemented?
A. core
B. distribution
C. backbone
D. access
Answer: B
Q44. Where in the Cisco Enterprise Architecture model does network management reside?
A. Enterprise data center module
B. Enterprise campus module
C. Enterprise edge module
D. Service Provider edge module
E. Service Provider data center module
Answer: B
Explanation:
The network management servers reside in the campus infrastructure but have tie-ins to all the components in the enterprise network for monitoring and management.
Q45. What is the acceptable amount of one-way network delay for voice and video applications?
A. 300 bytes
B. 1 sec C. 150 ms
D. 500 ms
Answer: C
Explanation:
Delay Components in VoIP Networks The ITU's G.I 14 recommendation specifics that the one-way delay between endpoints should not exceed 150 ms to be acceptable, commercial voice quality. In private networks, somewhat longer delays might be acceptable for economic reasons. The ITU G.114 recommendation specifics that 151-ms to 400-ms one-way delay might be acceptable provided that organizations are aware that the transmission time will affect the quality of user applications. One-way delays of above 400 ms are unacceptable for general network planning purposes.
Q46. A company must deploy an IGP routing protocol on an Enterprise Network. Where should route summarization be implemented?
A. distribution
B. core
C. access
D. backbone
Answer: A
Q47. A data center is reaching its power and cooling capacity. What two virtualization
technologies can address the problem by directly reducing the number of physical devices? (Choose two.)
A. virtual switching systems
B. virtual device contexts
C. virtual servers
D. virtual routing and forwarding
E. virtual port channels
F. virtual LANs
Answer: B,C
Q48. Characterizing an existing network requires gathering as much information about the network as possible. Which of these choices describes the preferred order for the information-gathering process?
A. site and network audits, traffic analysis, existing documentation and organizational input
B. existing documentation and organizational input, site and network audits, traffic analysis
C. traffic analysis, existing documentation and organizational input, site and network audits
D. site and network audits, existing documentation and organizational input, traffic analysis
Answer: B
Explanation:
This section describes the steps necessary to characterize the existing network infrastructure and all sites. This process requires three steps:
Step 1. Gather existing documentation about the network, and query the organization to discover additional information. Organization input, a network audit, and traffic analysis provide the key information you need. (Note that existing documentation may be inaccurate.)
Step 2. Perform a network audit that adds detail to the description of the network. If possible, use traffic-analysis information to augment organizational input when you are describing the applications and protocols used in the network.
Step 3. Based on your network characterization, write a summary report that describes the health of the network. With this information, you can propose hardware and software upgrades to support the network requirements and the organizational requirements.
Q49. Which two routing protocols operate over NBMA point-to-multipoint networks without the use of point-to-point sub interfaces? (Choose two.)
A. RIPv1
B. RIPv2
C. IS-IS
D. EIGRP
E. OSPF
Answer: D,E
Q50. Which model of ISR is utilized for the teleworker design profile? A. Cisco 1900 Series
B. Cisco 1800 Series
C. Cisco 800 Series
D. Cisco 500 Series
Answer: C