Abstract: I welcome you to the fourth issue of the IEEE Communications Surveys and Tutorials in 2021. This issue includes 23 papers covering different aspects of communication networks. In particular, ...

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Git isn’t hard to learn. Moreover, with a Git GUI such as Atlassian’s Sourcetree, and a SaaS code repository such as Bitbucket, mastery of the industry’s most powerful version control tools is within ...

Synthetic Aperture Radar (SAR) has been widely used for Earth remote sensing for more than 30 years. It provides high-resolution, day-and-night and weather-independent images for a multitude of ...

It’s important to conduct an SPF record check periodically to ensure no unauthorized entity misuses your domain to send malicious emails. nslookup and dig can help you verify your SPF record. Let’s ...

When querying the IP address of a website, if your nslookup works, but ping fails on Windows 11/10 PC, then there can be many reasons for that. Let’s try to resolve these issues, but before that here ...

We have noticed that sometimes, Windows fails to resolve the domain name when one tries to ping it or do nslookup. Sometimes, when trying to run the nslookup command, they encounter this; however, on ...

If you’re completely new to Microsoft Word, you’re probably wondering where to begin. You’ve come to the right place because we’ll get you started. From what you see in the Word window to how to save ...

Well, if you have any problems with DNS resolution or want to check the DNS information, you can always look for that information with the dig and nslookup commands in Linux. The dig and nslookup are ...