CCNA 1 Discovery Version 4.0 Module 4

 Module 4 - Exam Answers

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