CCNA Discovery 1 Chapter 4

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?


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?


9. What does the tracert command test?
 NIC functionality 

 the ISP bandwidth 
 the network path to a destination 
 the destination application functionality

 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?


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


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?

 eight coax channels 
 multimode fiber 
 single-mode fiber 

1.7 What connector is used to terminate Ethernet unshielded twisted pair (UTP) cabling?


1.8 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.)

 cable lengths 
 connector color 
 connector types 
 cost per meter (foot) 
 tensile strength of plastic insulator.

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