Podcast
Questions and Answers
What type of information does Pathping provide besides connectivity?
What type of information does Pathping provide besides connectivity?
- DNS configuration details
- Latency and packet loss (correct)
- User access permissions
- Routing protocols used
What does the netstat command primarily show?
What does the netstat command primarily show?
- All active TCP connections and related statistics (correct)
- Current disk usage and errors
- Remote server IP addresses
- Available network protocols
Which command can be used to verify DNS settings in Windows?
Which command can be used to verify DNS settings in Windows?
- dig
- ping
- ipconfig
- nslookup (correct)
What is a primary function of the net user command?
What is a primary function of the net user command?
What does the Chkdsk command do?
What does the Chkdsk command do?
What is one advantage of using command line tools for networking tasks?
What is one advantage of using command line tools for networking tasks?
What impact does improperly configured DNS have on a network?
What impact does improperly configured DNS have on a network?
Which command would you use to map a shared folder to a local drive in Windows?
Which command would you use to map a shared folder to a local drive in Windows?
What is the primary purpose of using the ipconfig command in Windows?
What is the primary purpose of using the ipconfig command in Windows?
Which command replaces the deprecated ifconfig command in Linux?
Which command replaces the deprecated ifconfig command in Linux?
What does the Ping command specifically test?
What does the Ping command specifically test?
What is the difference between Tracert in Windows and Traceroute in Linux?
What is the difference between Tracert in Windows and Traceroute in Linux?
What does the Pathping command combine?
What does the Pathping command combine?
Which command is used to determine if there's a specific device down in the network?
Which command is used to determine if there's a specific device down in the network?
What type of packets does the Windows Tracert command send by default?
What type of packets does the Windows Tracert command send by default?
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Study Notes
Command Line Network Utilities
- Command line utilities are used for network troubleshooting
- They run from a command line interface, not the operating system's graphical interface
- They can be used on both Windows and Linux operating systems
ipconfig/ip
ipconfigin Windows andipin Linux show the current IP address, subnet mask, default gateway- The
ipcommand in Linux replaced the deprecatedifconfigcommand
Hostname
hostnamein Windows shows the device name- The
hostnamecommand in Linux can change the name, view the system domain and show the IP address.
Ping
pingis used to test connectivity between two devices by sending an ICMP packet- If there's a response, the device is connected and active
- If there's no response, the device is offline
Tracert/Traceroute
tracertin Windows andtraceroutein Linux show the path a packet takes to the destination- Each device the packet travels through is a hop
- Linux defaults to sending UDP packets, Windows uses ICMP packets
Pathping
- Pathping in Windows combines the Ping and Tracert utilities
- It checks connectivity, shows latency and packet loss per hop
netstat
netstatshows network-related statistics- It provides a snapshot of TCP connections, connected ports, programs using connections
- This information can be used to monitor traffic and identify unwanted connections
nslookup and dig
- DNS (Domain Name System) associates IP addresses with website or computer names
- Improperly configured DNS leads to connectivity issues
nslookupin Windows anddigin Linux view and modify DNS settings
net
netis a Windows command that requires an accompanying commandnet userallows adding, removing, or modifying local computer accountsnet usemodifies connections to shared network resources
Chkdsk
Chkdskin Windows scans the hard drive for errors, including bad sectors- It attempts to repair any errors
- Errors on a hard drive can lead to problems with network resources
Summary
- Many operating systems have GUI interfaces for network troubleshooting but command line utilities offer more power and options
- They can be used to create scripts to automate common tasks
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