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CCNA 1 version 4 CHAPTER 9

1 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

2 Identify two physical-layer network problems. (Choose two.)

hardware failure

software configuration

devices not able to ping

loose cable connections

device driver configuration

3 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.

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

5 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

6 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.

7 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.

8 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.

9 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

10 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.

11 What command is used to determine the location of delay for a packet traversing the Internet?

ipconfig

netstat

nslookup

ping

tracert

12 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

13 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

14 Which troubleshooting method begins by examining cable connections and wiring issues?

top-down

bottom-up

substitution

divide-and-conquer

15 Refer to the graphic. What configuration is incorrect in the network shown? (CROSSOVER)

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.

16 What command is used to determine if a DNS server is providing name resolution?

ipconfig

netstat

nslookup

tracert

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

18 Which ipconfig command requests IP configuration from a DHCP server?

ipconfig

ipconfig /all

ipconfig /renew

ipconfig /release

19 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.

20 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

21 Refer to the graphic. What configuration is incorrect in the network shown? (STRAIGHT)

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.

22 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.

23 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 filters

using the default internal IP address

using DHCP to provide IP addresses

beda 13 and 22 MCMA n MCSA

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