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Exam A QUESTION 1
A Cisco Self-Defending Network has been installed, but DoS attacks are still being directed at e-commerce hosts. The connection rate at the Internet firewall was limited, but the problem persists. What more can be done?
A. Move the servers to the DMZ.
B. Install all relevant operating system patches.
C. Block the servers’ TCP traffic at the Internet firewall.
D. Block the servers’ UDP traffic at the Internet firewall.
Correct Answer: B QUESTION 2
RST Corporation is planning to upgrade its current network. The chief technology officer has supplied a topology diagram and an IP addressing scheme of the current network during an interview.
RST has been growing at about twenty percent per year. It has been difficult to maintain customer support at a satisfactory level. Therefore, the RST board has met with and directed the chief technology officer to look into network improvements.
Which two items are most relevant in documenting RST’s business requirements? (Choose two.)
A. existing network topologies
B. network performance requirements
C. the IP addresses assigned by the ISP
D. improved customer support requirements
E. projected growth estimates
Correct Answer: DE QUESTION 3
Refer to the exhibit. Which module is the Enterprise WAN module?
A. Enterprise A
B. Enterprise B
C. Enterprise F
D. Enterprise C
E. Enterprise D
F. Enterprise E
Correct Answer: D
QUESTION 4
Which two of these best describe the implementation of a WAN Backup design over the Internet? (Choose two.)
A. a best-effort method
B. bandwidth guaranteed based on interface configuration
C. designed as an alternative to a failed WAN connection
D. implemented with a point-to-point logical link using a Layer 2 tunnel
E. requires no ISP coordination or involvement
Correct Answer: AC
QUESTION 5
Which two design criteria require VLANs in a proposed solution? (Choose two.)
A. the segmenting of collision domains
B. a limited corporate budget
C. the use of multivendor equipment
D. security between departments
E. video streaming on the LAN
F. the segmenting of broadcast domains
Correct Answer: DF
QUESTION 6
Which two methods are used to enhance VPN performance on Cisco ISRs? (Choose two.)
A. SSL Acceleration Network Module
B. VPN Shared Port Adapter
C. VPN Acceleration Module
D. high-performance VPN encryption AIM
E. VPN Service Adapter
F. built-in hardware-based encryption acceleration
Correct Answer: DF
Cisco 640-863 tests containing questions that cover all sides of tested subjects that help our members to be prepared and keep high level of professionalism. The main purpose of Cisco 640-863 exam is to provide high quality test that can secure and verify knowledge, give overview of question types and complexity that can be represented on real exam certification
QUESTION 7
Which three factors best justify WAN link redundancy between geographically dispersed sites? (Choose three.)
A. high expense of transmitting data
B. important traffic flows
C. excessive packet transmission rate
D. uncertain reliability
E. high link utilization
F. lack of speed
Correct Answer: BDF
QUESTION 8
Which three pieces of information should be documented for each step of each phase in a design implementation plan? (Choose three.)
A. easy guidelines in case of failure
B. estimated rollback time in case of failure
C. simple implementation guidelines
D. estimated implementation time
E. design document references
F. step description
Correct Answer: DEF
QUESTION 9
The topology map in the draft design document should cover which two layers of the OSI model? (Choose two.)
A. session
B. data link
C. transport
D. application
E. physical
F. network
Correct Answer: EF
QUESTION 10
In a Cisco CatOS switch, what is the recommended practice when configuring switch-to-switch intercommunications to carry multiple VLANs for Dynamic Trunk Protocol?
A. auto toauto_negotiate
B. disable Dynamic Trunk Protocol when operating in the distribution layer
C. auto toauto_no_negotiate
D. desirable todesirable_no_negotiate
E. on toon_negotiate
F. desirable todesirable_negotiate
Correct Answer: F
QUESTION 11
What are the two most likely driving forces motivating businesses to integrate voice and data into converged networks? (Choose two.)
A. Voice networks cannot carry data unless the PRI circuits aggregate the BRI circuits.
B. Their PSTNs cannot deploy features quickly enough.
C. Data, voice, and video cannot converge on their current PSTN structures.
D. Voice has become the primary traffic on networks.
E. WAN costs can be reduced by migrating to converged networks.
Correct Answer: AC
QUESTION 12
Your company’s Cisco routers are operating with EIGRP. You need to join networks with an acquisition’s heterogeneous routers at 3 sites, operating with EIGRP and OSPF. Which describes the best practice for routing protocol deployment?
A. apply two-way redistribution exclusively at each location
B. apply one-way redistribution exclusively at each location
C. apply two-way redistribution at each location with a route filter at each location
D. apply OSPF throughout both networks
E. apply two-way redistribution at each location with a route filter at only one location
F. apply EIGRP with the same autonomous system throughout both networks
Correct Answer: C
The Cisco 640-863 training is a vital way of becoming the best. This certification has helped the candidates to enhance their capabilities by providing a great learning platform to them so that they can polish their skills.