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DHomesb Chapter 4 Exam Answers

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Q.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

Q.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

Q.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

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

• ISR


Q.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


Q.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. 


Q.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 

 


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





Q.9. What does the tracert command test? • NIC functionality
• the ISP bandwidth 

• the network path to a destination
• the destination application functionality


Q.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

 


Q.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

 

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



Q.13. Refer to the graphic. What type of cabling is shown? 

• STP 
• UTP
coax
• fiber


Q.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

 

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

• reliable data communications 



Q.16. Refer to the graphic. What type of cable is shown? 

• crossover
• eight coax channels
• multimode fiber
• single-mode fiber
• straight-through 


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

• RJ-45 

Q.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

Q.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


Q.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

Q.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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