CCNA Exams

CCNA Exams Answers


DHomesb Chapter 9 Exam Answers


Q.1. What should a network administrator do first after receiving a call from a user who cannot access the company web server? 

• Reboot the web server.
• Replace the NIC of the computer.
• Ask the user to log off and log on again.
• Ask the user what URL has been typed and what error message displays. 

Q.2. 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? 
• top-down 
• bottom-up 
• substitution
• trial-and-error 
• divide-and-conquer 

Q.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 NIC, and then check the cabling. 
• Check the workstation TCP/IP configuration.
• Test all cables, and then test layer by layer up the OSI model. 
• Attempt to Telnet, and then test layer by layer down the OSI model. 

Q.4. Which two troubleshooting techniques are suitable for both home networks and large corporate networks? (Choose two.) 
• having a backup ISR 
• running network monitoring applications 
• documenting the troubleshooting process 
• keeping a record of system upgrades and software versions
• keeping spare switches, routers, and other equipment available 
Q.5. Identify two physical-layer network problems. (Choose two.) 

• hardware failure
• software configuration 
• devices not able to ping 
• loose cable connections
• device driver configuration 


Q.6. Which ipconfig command requests IP configuration from a DHCP server?

• ipconfig
• ipconfig /all
• ipconfig /renew
• ipconfig /release 

Q.7. What command is used to determine the location of delay for a packet traversing the Internet?
• ipconfig
• netstat
• nslookup
• ping
• tracert 

Q.8. What command is used to determine if a DNS server is providing name resolution? • ipconfig
• netstat 

• nslookup
• tracert 

Q.9. Which troubleshooting method begins by examining cable connections and wiring issues?
• top-down 

• bottom-up 
• substitution
• divide-and-conquer 

Q.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?
• Self-diagnostics have not completed.
• The power supply is the source of the problem.   

• The ports are operational and are receiving traffic.
• The ports are operational, but no traffic is flowing.
• There are no cables plugged into those ISR ports.
• The ports have cables plugged in, but they are not functional. 

Q.11. 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 straight-through cable is being used
• The connectors at both ends of the cable are RJ-45.
• The RJ-45 connectors are crimped onto the cable jacket. 

• A crossover cable is being used. 


Q.12. Refer to the graphic. What configuration is incorrect in the network shown?
• The host IP address is incorrect.
• The host subnet mask is incorrect.
• The host default gateway is incorrect. 

• The wired connection is the wrong type of cable. 
• The Linksys integrated router does not support wireless.

Q.13. Which three settings must match on the client and access point for a wireless connection to occur? (Choose three.) • SSID
• authentication
• MD5 checksum
• antennae type 

• encryption key
• MAC address filters

Q.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.)
• configuring NAT 

• broadcasting the SSID
• using open authentication
• enabling MAC address filter
• using the default internal IP address
• using DHCP to provide IP addresses


Q.15. 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.
• The host IP address is incorrect.
• The host subnet mask is incorrect.
• The host default gateway is incorrect.
• The integrated router internal IP address is incorrect.
• The integrated router Internet IP address is incorrect.

Q.16. Refer to the graphic. What configuration is incorrect in the network shown?

• The host IP address is incorrect.
• The host subnet mask is incorrect.
• The host default gateway is incorrect.
• The wired connection is the wrong type of cable.
• The Linksys integrated router does not support wireless.


Q.17. When acting as a DHCP server, what three types of information can an ISR provide to a client? (Choose three.)
• physical address
• MAC address 

• default gateway
• static IP address 

• dynamic IP address
• DNS server address

Q.18. What two items could be checked to verify connectivity between the router and the ISP? (Choose two.) • router status page
• wireless card settings
• router operating system version
• local host operating system version 

• connectivity status as indicated by LEDs
Q.19. 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 SSID is the same on both devices.
• Ensure both devices have the same IP address.
• Ensure both devices have different subnet masks.
• Ensure the encryption type on both devices match. 

• Ensure the link status LED on the integrated router is lit.

Q.20. Network baselines should be performed in which two situations? (Choose two.) 
• after the network is installed and running optimally
• after a virus outbreak is discovered on the network 

• after major changes are implemented on the network
• after several computers are added to the network
• at the end of the work week

Q.21. Typically, help desk personnel assist end users in which two tasks? (Choose two.) 
• identifying when the problem occurred
• determining if other users are currently logged into the computer
• updating network diagrams and documentation 

• implementing the solution to the problem
• running a network baseline test
• determining the cost of fixing the problem

Q.22. How does remote-access software help in the troubleshooting process? • Remote access uses a live chat feature.
• Users have to be present so that they can view LEDs and change cables if necessary. 

• Diagnostics can be run without a technician being present at the site.
• FAQs can be consulted more easily. 

Q.23. Which two items should be added to the documentation following a troubleshooting event? (Choose two.) 
• final resolution
• repetitive measures
• number of people involved in the problem
• accurate current network infrastructure diagrams 

• results of successful and unsuccessful troubleshooting steps

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