2013 Latest Cisco Designing for Cisco Internetwork Solutions Exam DESGN v2.1 640-864 EXAM download 76-80
Which three sources does a network designer use to collect information for characterizing an existing network? (Choose three.)
A. server statistics
B. network audit
C. traffic analysis
D. visual inventory
E. staff input
Correct Answer: BCE
Section: Design Explanation
Characterizing the Existing Network
Characterizing the network is Step 2 of the design methodology. In this section, you learn to identify a networks major features, tools to analyze existing network traffic, and tools for auditing and monitoring network traffic.
Steps in Gathering Information
When arriving at a site that has an existing network, you need to obtain all the existing documentation. Sometimes no documented information exists. You should be prepared to use tools to obtain information and get access to log in to the network devices to obtain information.
Here are the steps for gathering information:
When gathering exiting documentation, you look for site information such as site names, site addresses, site contacts, site hours of operation, and building and room access. Network infrastructure information includes locations and types of servers and network devices, data center and closet locations, LAN wiring, WAN technologies and circuit speeds, and power used. Logical network information includes IP addressing, routing protocols, network management, and security access lists used. You need to find out whether voice or video is being used on the network.
Cisco Press CCDA 640-864 Official Certification Guide Fourth Edition, Chapter 1 (Page 17 – 18)
Which of the following Cisco router services performs network traffic analysis to assist in documenting a customer’s existing network?
C. SNMP MIB compiler
Correct Answer: D
Section: Management – Operations Explanation
Which statement identifies a benefit obtained when using a top-down network design plan?
A. provides a more detailed picture of the desired network
B. facilitates design based on previous experience
C. is less time-consuming than using a bottom-up approach
D. allows quick responses to design requests
E. incorporates customer organizational requirements
Correct Answer: E
Section: Design Explanation
The top-down approach begins with the organizations requirements before looking at technologies. Network designs are tested using a pilot or prototype network before moving into the Implement phase.
CCDA 640-864 Official Cert Guide – Page 24
Lightweight access points are being deployed in remote locations where others are already operational. The new access points are in a separate IP subnet from the wireless controller. OTAP has not been enabled at any locations. Which two methods can the AP use to locate a wireless controller? (Choose two.)
A. NV-RAM IP address
C. primary, secondary, tertiary
E. local subnet broadcast
Correct Answer: DF
Section: Wireless Explanation
Which Cisco security solution can quarantine and prevent non-compliant end stations from accessing the network until they achieve security policy compliance?
A. Cisco Security Monitoring, Analysis, and Response System
B. Adaptive Security Appliance
C. Network Admission Control
D. Network Intrusion Prevention System
E. Cisco Secure Connectivity
F. Access Control Server
Correct Answer: C
Section: Security Explanation
The Network Admission Control protects the network from threats by enforcing security compliance on all devices attempting to access the network. It only allows access to endpoints only after they have passed authentication based on security policies.
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