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Minggu, 19 Februari 2012

Kunci Jawaban CCNA 1 Chapter 9 Discovery 4.0


DHomesb Chapter 9 - CCNA Discovery: Networking for Home and Small Businesses (Version 4.0)

 
1   
A technician is unsuccessful in establishing a console session between a PC and a Linksys integrated router. Both devices have power, and a cable is connected between them. Which two troubleshooting steps could help to diagnose this problem? (Choose two.)
    #Ensure the correct cable is used.
    #Ensure the link status LED on the integrated router is lit.

2   
Identify two physical-layer network problems. (Choose two.)
    #hardware failure
    #loose cable connections
   
3    
Only one workstation on a particular network cannot reach the Internet. What is the first troubleshooting step if the divide-and-conquer method is being used?
    #Check the workstation TCP/IP configuration.
    
4    
Which two troubleshooting techniques are suitable for both home networks and large corporate networks? (Choose two.)
    #documenting the troubleshooting process
    #keeping a record of system upgrades and software versions
    
5    
What two items could be checked to verify connectivity between the router and the ISP? (Choose two.)
    #router status page
    #connectivity status as indicated by LEDs

6    
When acting as a DHCP server, what three types of information can an ISR provide to a client? (Choose three.)
    #default gateway
    #dynamic IP address
    #DNS server address

7    
A customer called the cable company to report that the Internet connection is unstable. After trying several configuration changes, the technician decided to send the customer a new cable modem to try. What troubleshooting technique does this represent?
    #substitution
    
8    
Which troubleshooting method begins by examining cable connections and wiring issues?
    #bottom-up
    
9    
What command is used to determine the location of delay for a packet traversing the Internet?
    #tracert

10    
A technician suspects that a Linksys integrated router is the source of a network problem. While troubleshooting, the technician notices a blinking green activity LED on some of the ports. What does this indicate?
    #The ports are operational and are receiving traffic.
    
11    
Which three settings must match on the client and access point for a wireless connection to occur? (Choose three.)
    #SSID
    #authentication
    #encryption key
    
12    
What should a network administrator do first after receiving a call from a user who cannot access the company web server?
    #Ask the user what URL has been typed and what error message displays.

13    
http://2.bp.blogspot.com/_uyUCaW-qsV4/TPCy4jhQ9KI/AAAAAAAAAKg/fSds4fiG7J8/s320/15824.jpg
Refer to the graphic. What configuration is incorrect in the network shown?
    #The wired connection is the wrong type of cable.
    
14    
A technician is troubleshooting a security breach on a new wireless access point. Which three configuration settings make it easy for hackers to gain access? (Choose three.)
    #broadcasting the SSID
    #using open authentication
    #using the default internal IP address
    
15    
http://1.bp.blogspot.com/_uyUCaW-qsV4/TPCzM6wgDmI/AAAAAAAAAKk/BY4VPugyoZc/s320/15944.jpg
Refer to the graphic. What configuration is incorrect in the network shown?
    #The host IP address is incorrect.

16    
Typically, help desk personnel assist end users in which two tasks? (Choose two.)
    #identifying when the problem occurred
    #implementing the solution to the problem
    
17    
Network baselines should be performed in which two situations? (Choose two.)
    #after the network is installed and running optimally
    #after major changes are implemented on the network
    
18    
Which two items should be added to the documentation following a troubleshooting event? (Choose two.)
    #final resolution
    #results of successful and unsuccessful troubleshooting steps

19    
A PC is plugged into a switch and is unable to connect to the network. The UTP cable is suspected. What could be the problem?
    #A crossover cable is being used.

20    
Which ipconfig command requests IP configuration from a DHCP server?
    #ipconfig /renew
    
21    
http://1.bp.blogspot.com/_uyUCaW-qsV4/TPCzmHOelDI/AAAAAAAAAKo/8DynbnDU1VM/s320/16086.jpg
Refer to the graphic. The wireless host cannot access the Internet, but the wired host can. What is the problem?
    #The host WEP key is incorrect.
    
22    
How does remote-access software help in the troubleshooting process?
    #Diagnostics can be run without a technician being present at the site.
    
23    
What command is used to determine if a DNS server is providing name resolution?
    #nslookup

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