Sunday, 19 February 2012

Kunci Jawaban CCNA 1 Chapter 4 Discovery 4.0



1   
Which definition describes the term Internet?
    #a network of networks that connects countries around the world
   
2    
What type of connection point is a point of presence (POP)?
    #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 backbone

4    
What are three characteristics of business class ISP service? (Choose three.)
   # fast connections
   # extra web space
   # additional e-mail accounts
    
5    
What does the tracert command test?
    #the network path to a destination
    
6    
What is a major characteristic of asymmetric Internet service?
    #Upload speeds and download speeds are different.
    
7    
Which three elements are required to successfully connect to the Internet? (Choose three.)
    #an IP address
    #a network connection
    #access to an Internet service provider
    
8    
Which two places are most appropriate to use UTP cabling? (Choose two.)
   # in a home office network
   # inside a school building
    
9    
Which device can act as a router, switch, and wireless access point in one package?
    #ISR

10    
What type of end-user connectivity requires that an ISP have a DSLAM device in their network?
    #digital subscriber line technology
    
11    
Why would an ISP require a CMTS device on their network?
    #to connect end users using cable technology
    
12 
   
http://3.bp.blogspot.com/_uyUCaW-qsV4/TKsaSlRe9BI/AAAAAAAAAJU/UmPWzXpWaOw/s1600/15781.jpg
Refer to the graphic. What type of cabling is shown?
    #fiber

13  
  
http://1.bp.blogspot.com/_uyUCaW-qsV4/TKsa5HMEdCI/AAAAAAAAAJY/GmetQeFML2Y/s1600/15782.jpg
Refer to the graphic. What type of cabling is shown?
    #UTP
    
14    
Which two characteristics describe copper patch panels? (Choose two.)
    #uses RJ-45 jacks
    #allows quick rearrangements of network connections
    
15    
What term describes each router through which a packet travels when moving between source and destination networks?
    #hop

16    
What does adherence to cabling standards ensure?
   # reliable data communications

17    
What connector is used to terminate Ethernet unshielded twisted pair (UTP) cabling?
   # RJ-45

18    
http://4.bp.blogspot.com/_uyUCaW-qsV4/TKsbUm-dDDI/AAAAAAAAAJo/94_5M48Nats/s1600/16081.jpg
Refer to the graphic. What type of cable is shown?
    #crossover
    
19    
What are two advantages of cable management? (Choose two.)
    #aids in isolation of cabling problems
    #protects cables from physical damage
    
20    
What are two common causes of signal degradation when using UTP cabling? (Choose two.)
    #having improper termination
    #using low quality cables or connectors

21    
What are three commonly followed standards for constructing and installing cabling? (Choose three.)
    #pinouts
    #cable lengths
    #connector types

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