640-861 Exam

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Exam : CISCO 640-861
Title : CCDA


1. Refer to the exhibit. Which Campus Backbone Design does this most likely represent?
A. Single VLAN Layer 2
B. Split VLAN Layer 2
C. Layer 3 VLAN
D. Dual Path Layer 3 VLAN
Answer: A

2. Western Associated News Agency recently acquired a large news organization with several sites, which will allow it to expand to worldwide markets. The new acquisition brings with it a multitude of connectivity technologies, including Frame Relay, ATM, SONET, cable, DSL, and wireless. Which Enterprise Edge module will receive the most attention from a Layer 1 viewpoint?
A. ISP
B. PSTN
C. Internet Connectivity
D. WAN
E. E-Commerce
F. Edge Distribution
Answer: D

3. Which kind of address translation is best when the servers on the internal network with private IPv4 addresses must be visible from the public network?
A. many-to-one translation (PAT)
B. many-to-one translation (Dynamic NAT)
C. one-to-one translation (Static NAT)
D. one-to-one translation (NAT Traversal)
Answer: C

4. Which IPv4 to IPv6 transition strategy uses an intermediate device that can translate either at the transport layer or the network layer?
A. dual-stack
B. tunneling
C. DSTM
D. NAT-PT
E. automatic
Answer: D

5. Which organizational constraint most directly affects the social requirements of a business?
A. budget
B. personnel
C. policy
D. schedule
Answer: B

6. AAA Video operates a chain of 50 video rental stores located in the Northwestern United States. They currently have a Point-of-Sale (POS) system in which each store posts its daily sales data and inventory changes to a central database through dial-up communication. There is no interaction between the stores and the central system during business hours. The central site runs on an Ethernet LAN. The only always-on WAN link is an Internet connection using wireless broadband to a local ISP. AAA wants to enhance their service offering by creating a new E-Commerce web site where customers can browse and search a catalog of video titles and select the ones they want for rental. The system will instantly communicate the order to the nearest store where employees pull the order and hold it until the customer picks it up. The service must operate on a 24x7 basis. AAA sees this new business strategy as a means to increase revenue and expand the business nationally. They see an opportunity to expand the web site in the future to video, DVD and music sales on a worldwide level. The company wants all stores to be connected to the central site through WAN links. The company is upgrading the central inventory database so that sales and rentals can be posted immediately in real-time. An Internet-based email and instant-messaging system will be set up for all headquarters employees and store managers to use. AAA believes that networking the stores will improve order fulfillment processes which will improve customer satisfaction and thus, boost revenue. It will also help communication with store employees. AAA wants to upgrade the local LAN to a Gigabit and Fast Ethernet system to facilitate the demands of the new and upgraded systems. They have budgeted $500,000 for the networking equipment and another $10,000/month for the WAN charges including a faster Internet connection. They believe that 256Kbps speeds will be adequate to the stores. Since they have no staff capable of managing the new network, they will hire two engineers that already have the training and experience. The project must be complete in 6 months when the new inventory system goes online. The IT manager has concerns about the security of the servers and workstations on the network when all stores become connected. He doesn't want any Internet access to or from the stores. He is depending on you to recommend an effective yet affordable solution that will protect his system from intruders.Which two are business constraints imposed by the AAA Video Company on this new network design project? (Choose two.)
A. the $10,000/month WAN budget
B. the installation of WAN links to all stores
C. the lack of any existing IT staff
D. video sales through the global Internet
E. real-time posting of store sales
Answer: AC

7. A company is migrating from IPv4 to IPv6. IP addresses are assigned to workstations using DHCP.Which three options can be considered to assign addresses to workstations using IPv6? (Choose three.)
A. DHCPv6
B. DNS server
C. manual configuration
D. distributed address resolution
E. link local address
Answer: ACE

8. Which three items should be included in a summary report that validates the findings of the information you have gathered when characterizing a network? (Choose three.)
A. network services map
B. network problems and drawbacks
C. modularized network
D. network features
E. network applications map
F. actions that support network requirements
Answer: BDF

9. Which two results of segment analysis are approximate thresholds that indicate network enhancement is desired? (Choose two.)
A. 25 percent broadcasts/multicasts
B. 30 percent broadcasts/multicasts
C. 1 CRC error per one million bytes
D. 1 CRC error per 100,000 bytes
E. 20 percent broadcasts/multicasts
F. 1 CRC error per 1000 bytes
Answer: CE

10. Analysis and recommendations in a Draft Design Document are based on which two features? (Choose two.)
A. logical topology map
B. collected information
C. physical topology map
D. hardware platform
E. design requirements
F. software versions
Answer: BE

11. An existing Cisco customer has called for help with designing a new solution for its changing needs. The first issues the customer wants to address are security, logging, and troubleshooting. On which major functional area and which submodule of the Enterprise Composite Network Model will you be keying your efforts?
A. Enterprise Edge; Internet Connectivity
B. Enterprise Campus; Network Management
C. Service Provider; ISP
D. Campus Infrastructure; Building Access
E. Enterprise Campus; Campus Infrastructure
F. Edge Distribution; Call Detail Log
Answer: B

12. During which phase of the PDIOO process should the implementation be planned?
A. planning
B. designing
C. implementing
D. operating
E. optimizing
F. instigating
Answer: B

13. An enterprise needs to connect networks at high data rates. The networks are located in different buildings with a clear line-of-sight. Which technology is a solution for this need?
A. broadband fixed wireless
B. cellular wireless
C. wireless LAN
D. Mobile IP
E. ISDN
Answer: A

14. For the network backbone of a large campus environment, what are three advantages of a multilayer core switch design over a Layer 2 core switch design? (Choose three.)
A. single VLAN implementation in the backbone
B. reduced distribution router peering
C. broadcast control in the backbone
D. evenly distributed backbone traffic
E. large scalability potential
Answer: BCE