CCNA Answers – CCNA Exam – CCNA Exams – CCNA Module-1-2-3-4: CCNA Discovery 1 - Chapter 4 Exam Answers Version 4.0

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Thursday 2 August 2012

CCNA Discovery 1 - Chapter 4 Exam Answers Version 4.0

1. Which definition describes the term Internet? 
• a group of PCs connected together on a LAN 
• a group of PCs connected together by an ISP 
• a network of networks that connects countries around the world 
• a worldwide collection of networks controlled by a single organization 

2. What type of connection point is a point of presence (POP)? 
• between a client and a host 
• between two local networks 
• between a computer and a switch 
• between an ISP and a home-based LAN 

3. What is the term for the group of high-speed data links that interconnect ISPs? 
• Internet LAN 
• ISP backbone 
• Internet gateways 
• Internet providers 
• Internet backbone 

4. Which device can act as a router, switch, and wireless access point in one package? 
• hub 
• bridge 
• modem 
• repeater 
• ISR 

5. What are three characteristics of business class ISP service? (Choose three.) 
• fast connections
• extra web space
 
• free Windows upgrade 
• cheapest cost available to all users 
• additional e-mail accounts 
• replacement hardware at no cost 

6. What is a major characteristic of asymmetric Internet service? 
• Download speeds and upload speeds are equal. 
• Download speeds are slower than upload speeds. 
• Upload speeds and download speeds are different. 
• Upload speeds and download speeds are irrelevant. 

7. Which three elements are required to successfully connect to the Internet? (Choose three.) 
• an IP address 
• file sharing enabled 
• a network connection 
• server services enabled 
• access to an Internet service provider 
• an address obtained directly from the RIR 

8. What term describes each router through which a packet travels when moving between source and destination networks? 
• NOC 
• ISP 
• hop 
• segment 

9. What does the tracert command test? 
• NIC functionality 
• the ISP bandwidth 
• the network path to a destination 
• the destination application functionality 

10. What type of end-user connectivity requires that an ISP have a DSLAM device in their network? 
• analog technology 
• cable modem technology 
• digital subscriber line technology 
• wireless technology 

11. Why would an ISP require a CMTS device on their network? 
• to connect end users using cable technology 
• to connect end users using analog technology 
• to connect end users using wireless technology 
• to connect end users using digital subscriber line technology 

12. Refer to the graphic. What type of cabling is shown? 
• STP 
• UTP 
• coax 
• fiber 

13. Refer to the graphic. What type of cabling is shown? 
• STP 
• UTP 
• coax 
• fiber 

14. Which two places are most appropriate to use UTP cabling? (Choose two.) 
• between buildings 
• in a home office network 
• where EMI is an issue 
• in a cable TV network 
• inside a school building 
• in a manufacturing environment with hundreds of electrical devices 

15. What does adherence to cabling standards ensure? 
• data security 
• no loss of signal 
• no electromagnetic interference 
• reliable data communications 

16. Refer to the graphic. What type of cable is shown? 
• crossover 
• eight coax channels 
• multimode fiber 
• single-mode fiber 
• straight-through 

17. What connector is used to terminate Ethernet unshielded twisted pair (UTP) cabling? 
• ST 
• BNC 
• RJ-11 
• RJ-45 

18. Which two characteristics describe copper patch panels? (Choose two.) 
• uses RJ-11 jacks 
• uses RJ-45 jacks 
• supports only data transmissions 
• allows quick rearrangements of network connections 
• forwards transmissions based on MAC addresses 

19. What are two advantages of cable management? (Choose two.) 
• requires no preplanning 
• aids in isolation of cabling problems
• protects cables from physical damage
 
• provides compliance with future standards 
• provides a short-term solution for cable installation 

20. What are two common causes of signal degradation when using UTP cabling? (Choose two.) 
• installing cables in conduit 
• having improper termination 
• losing light over long distances 
• installing low quality cable shielding 
• using low quality cables or connectors 

21. What are three commonly followed standards for constructing and installing cabling? (Choose three.) 
• pinouts
• cable lengths
 
• connector color 
• connector types 
• cost per meter (foot) 
• tensile strength of plastic insulator

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