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Q91. Refer to the exhibit.
Which two statements correctly identify the layers of the Enterprise Campus module? (Choose two.)
A. A is the Data Center Module and C is the Campus Core layer.
B. A is the Data Center Module and D is the Building Access layer.
C. B is the Campus Core layer and C is the Building Distribution layer.
D. B is the Building Distribution layer and C is the Campus Core layer.
E. A is the Internet Connectivity layer and B is the Campus Core layer.
F. B is the Building Distribution layer and D is the Building Access layer.
Answer: B,C
Explanation: Module characteristics show to which category the blocks belong to. Link:
http://www.cisco.com/en/US/docs/solutions/Enterprise/Campus/campover.html#wp708780
Q92. Which of these statements is true concerning the data center access layer design?
A. The access layer in the data center is typically built at Layer 3, which allows for better sharing of services across multiple servers.
B. With Layer 2 access, the default gateway for the servers can be configured at the access or aggregation layer.
C. A dual-homing NIC requires a VLAN or trunk between the two access switches to support the dual IP addresses on the two server links to two separate switches.
D. The access layer is normally not required, as dual homing is standard from the servers to the aggregation layer.
Answer: B
Q93. Which of the following three options represents the components of the Teleworker Solution? (Choose three.)
A. Cisco Unified IP Phone
B. Cisco 880 Series Router
C. Aironet Office Extend Access Point
D. Catalyst 3560 Series Switch
E. Cisco 2900 Series Router
F. MPLS Layer 3 VPN
G. Leased lines
Answer: A,B,E
Explanation:
A Cisco ASR is used to terminate Teleworker solutions, not a 2900 series router. Hybrid teleworker uses Aironet, Advanced teleworker uses 880, both use IP phones. google: "at_a_glance_c45-652500.pdf" for details
The Cisco Virtual Office Solution for the Enterprise Teleworker is implemented using the Cisco 800 series ISRs. Each ISR has integrated switch ports that then connect to the user’s broadband connection. The solution uses a permanent always-on IPsec VPN tunnel back to the corporate network. This architecture provides for centralized IT security management, corporate-pushed security policies, and integrated identity services. In addition, this solution supports the enterprise teleworker needs through advanced applications such as voice and video. For example, the enterprise teleworker can take advantage of toll bypass, voicemail, and advanced IP phone features not available in the PSTN.
Enterprise Teleworker Module
The enterprise teleworker module consists of a small office or a mobile user who needs to access services of the enterprise campus. As shown in Figure 2-14, mobile users connect from their homes, hotels, or other locations using dialup or Internet access lines. VPN clients are used to allow mobile users to securely access enterprise applications. The Cisco Virtual Office solution provides a solution for teleworkers that is centrally managed using small integrated service routers (ISR) in the VPN solution. IP phone capabilities are also provided in the Cisco Virtual Office solution, providing corporate voice services for mobile users.
Q94. When designing the identity and access control portions for the enterprise campus network, which of these solutions would be the most appropriate solution to consider?
A. 802.1X
B. ACLs in the core layer
C. Cisco Security MARS
D. NetFlow
Answer: A
Q95. What routing configuration can prevent routing loops between IGPs?
A. route filters
B. route reflectors
C. auto summarization
D. virtual links
Answer: A
Q96. Which three are valid Layer 2 access designs? (Choose three.)
A. Looped Triangle
B. Looped Square
C. Looped U
D. Loop-Free Triangle
E. Loop-Free Square
F. Loop-Free U
Answer: A,B,F
Q97. Which protocol is used for voice bearer traffic?
A. MGCP
B. RTP
C. SCCP
D. CDP
E. ICMP
Answer: B
Explanation:
VoIP Control and Transport Protocols
A number of different protocols are used in a VoIP environment for call control, device provisioning, and addressing.
Figure 14-15 shows those protocols focused on VoIP control and transport.
Q98. What two SAN protocols will allow a customer to utilize 10GbE for SAN access? (Choose two.)
A. ISCSI
B. FCoE
C. SATA
D. Fiber Channel
E. AoE
Answer: A,B
Q99. To what Layer 2 technology does VRF closely compare?
A. VSS
B. VPC
C. VLAN
D. VTP
Answer: C
Q100. Which two routing protocols usually converge most quickly? (Choose two.)
A. RIPv1
B. RIPv2
C. BGP
D. OSPF
E. EIGRP
Answer: D,E
