Rabu, 03 November 2010

CCNA Discovery 2 Module 3 Exam Answers Version 4.0

CCNA Discovery 2 Module 3 Exam Answers Version 4.0

1. Which two benefits can be gained by locating network equipment in a telecommunications closet, rather than in a user area? (Choose two.)
• improved physical security
• centralized cable management

2. Which three issues should be noted on the technician's site survey report? (Choose three.)
• unlabeled cables
• poor physical security of network devices
• lack of UPS for critical devices

3. Which two types of cable are used for initial router configuration? (Choose two.)
• rollover cable
• console cable

4. In addition to the inventory sheet, what other information about the hosts and networking equipment should be documented by the on-site technician while performing the site survey?
• any planned growth anticipated in the near future

5.Refer to the exhibit. What type of device is used to connect two networks?
• hub
• router
• switch
• access point

6. It is said that the goal for availability of a communications system is "five-9s". What is meant by this?
• A network needs to be available 99.999% of the time.

7. What three things are included in a logical topology document? (Choose three.)
• the path that the data takes through a network
• the device names and Layer 3 addressing information
• the location of routing, network address translation, and firewall filtering

8. Which device has the ability to break up broadcast and collision domains?
• router

9. Why is it important to review the results of an on-site survey report with the customer before beginning the network design?
• to verify that the report accurately describes the current network and any plans for expansion

10. A client requires a networking device that is capable of expansion to suit growing network demands. What type of device will suit this requirement?
• a networking device with a modular physical configuration

11. What does the use of redundant network components supply to a network?
• reliability

12. What is the benefit for a company to use an ISR router?
• An ISR provides the functionality of a switch, router, and firewall in one device.

13. Which three items are typically found in an MDF? (Choose three.)
• switches and routers
• network equipment racks
• the point of presence

14. What are two advantages of having ISP-managed services? (Choose two.)
• can guarantee up to 99.999% availability
• increases availability of help desk services

15. A manufacturing company is in the process of a network upgrade. Which two statements are true about the phases of the upgrade process? (Choose two.)
• Phase 1 is used to determine network requirements.
• Phase 3 is based on an implementation schedule that allows extra time for unexpected events.

16. When designing a network upgrade, which two tasks should the onsite technician perform? (Choose two.)
• investigate and document the physical layout of the premises
• perform a site survey to document the existing network structure

17. What is the term for the location at the customer premise where the customer network physically connects to the Internet through a telecommunications service provider?
• point of presence


18. to the exhibit. Which type of twisted pair cable is used between each device?
• A=console, B=straight, C=crossover, D= crossover, E=straight
• A=straight, B=straight, C=straight, D=crossover, E=console
• A=crossover, B=straight, C=straight, D=crossover, E=crossover
• A=console, B=straight, C=straight, D=crossover, E=crossover
• A=console, B=crossover, C=crossover, D=straight, E=straight

19. In what two ways will entering into a managed service agreement with an ISP for a network upgrade affect the costs that are incurred by the customer? (Choose two.)
• Network upgrade and maintenance costs will become predictable.

20. Which type of cable has a solid copper core with several protective layers including PVC, braided wire shielding, and a plastic covering?
• coaxial

21. What must be added when a network expands beyond the coverage area of the current telecommunications room?
• IXP

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