Duplicate of Networking Essentials: Chapter 9 Review

Question 1

What utility can be used to troubleshoot appropriate IP configuration of an end device?

Accepted Answer

ipconfig

Question 2

What is the approach that starts at the Physical layer and works upwards?

Accepted Answer

Bottom-up

Question 3

What's NOT a wireless router LED that should be checked first in a bottom up approach?

Accepted Answer

Speed

Question 4

What command releases the current DHCP bindings for a device to a DHCP server?

Accepted Answer

ipconfig /release

Question 5

If a ping to an address succeeds, but a ping to the domain name does not, what does that mean?

Accepted Answer

There is most likely a problem with DNS

Question 6

What is the process of identifying, locating and correcting problems that occur in a network?

Accepted Answer

Network Troubleshooting

Question 7

What is a typical authentication error for wireless routers and devices?

Accepted Answer

The client and AP are configured with different keys

Question 8

What is the troubleshooting approach that starts at the Application Layer and moves down?

Accepted Answer

Top-down

Question 9

When a ping is sent, what kind of packet is sent to the destination device?

Accepted Answer

ICMP echo request

Question 10

What command requests fresh IP configuration information?

Accepted Answer

ipconfig /renew

Question 11

What can touch help you determine in terms of network troubleshooting?

Accepted Answer

Detecting mechanical problems, Overheated components

Question 12

Which troubleshooting approach is most suitable for more complex problems?

Accepted Answer

Bottom-up

Question 13

When an issue is reported to support desk, what does the technician create for the issue?

Accepted Answer

Incident report, Trouble ticket

Question 14

What is NOT a typical issue with wireless communications?

Accepted Answer

Issues with documentation

Question 15

Which troubleshooting approach is used for simpler problems?

Accepted Answer

Top-down

Question 16

What command displays all configured IP information on a Windows device?

Accepted Answer

ipconfig /all

Question 17

Why is version of firmware and software on a device important to know when troubleshooting?

Accepted Answer

There may be compatibility issues

Question 18

What is the approach that uses reports to choose to start at a layer and work up or down?

Accepted Answer

Divide and conquer

Question 19

What is NOT indicated by inactive LEDs on a wireless router?

Accepted Answer

Bandwidth usage

Question 20

What information should you get from the individual who reported the problem?

Accepted Answer

Info about recent configuration changes, Error Messages, Warranty information, Observed symptoms

Question 21

What approach is used when the problem is assumed to be a specific component or config file?

Accepted Answer

Substitution

Question 22

What is NOT one of the pieces of information you should collect about equipment affected?

Accepted Answer

Height of the device in the rack system

Question 23

If there is a network issue with a wireless and wired network, what is the best approach?

Accepted Answer

Test the wired section and then the wireless section

Question 24

What is NOT a common source of assistance for troubleshooting?

Accepted Answer

Networking textbooks

Question 25

When a ping is received by the destination device, what kind of packet is sent back?

Accepted Answer

ICMP echo reply

Question 26

What approach uses expert knowledge to determine most probable cause and then the second most?

Accepted Answer

Trial and error

Question 27

If the ping to the gateway is successful, but there is still issues, what does this mean?

Accepted Answer

The issue is not a local network issue

Question 28

What utility troubleshoots where a packet gets lost along its way to a destination?

Accepted Answer

tracert

Question 29

What is one of the two things that are most important to identify with a network issue?

Accepted Answer

Determine how much of the network is affected, Verify the problem

Question 30

What will your sight sense not help you determine?

Accepted Answer

Overheating

Question 31

What are applications used on large networks to gather info about the state of the network?

Accepted Answer

Network Monitoring Tools

Question 32

When an on-site call is required, a trouble ticket is converted to what?

Accepted Answer

Work order

Question 33

What utility can be used to troubleshoot active network connections and open TCP/UDP ports?

Accepted Answer

netstat

Question 34

What utility can be used to troubleshoot whether DNS is working on the network?

Accepted Answer

nslookup

Question 35

What is NOT one of the things to include on documentation about troubleshooting?

Accepted Answer

Your date of birth

Question 36

What software on a computer blocks pings by default?

Accepted Answer

Firewall

Question 37

What is not a common Layer 1 problem?

Accepted Answer

Incorrect IP address configuration

Question 38

What utility troubleshoots that a device can contact another device on the network?

Accepted Answer

ping

Question 39

Which approach is most suitable when you are experienced and the problem has precise symptoms?

Accepted Answer

Divide and conquer

Question 40

What will your sense of smell help you determine in network troubleshooting?

Accepted Answer

Overheating of components

Question 41

What can your sense of hearing help you identify in troubleshooting?

Accepted Answer

Electrical issues, Proper operation of cooling fans and disk drives

Question 42

What is NOT a typical cabling problem?

Accepted Answer

Introducing sources of interference

Question 43

True or False: You do not include the steps taken that did not solve an issue in documentation.

Accepted Answer

False

Question 44

What is the group of individuals with knowledge and tools needed to help correct common issues?

Accepted Answer

Support Desk

Question 45

If the first line of support desk cannot solve the issue, what will the support desk do?

Accepted Answer

Escalate the problem to a higher level

Duplicate of Networking Essentials: Chapter 9 Review

Questions 45

Duplicate of Networking Essentials: Chapter 9 Review

Questions 45