PracticeQuiz content is free on an ad-supported model.
Unfortunately, we can't support ad blocker usage because of the impact on our servers. If you'd like to continue, please disable your ad blocker and reload page.
71. You have a permanent connection to the internet. Your local network includes a web server and an SMTP server. You are concerned about hacking, so you set up port filtering on your network. Your local SMTP server has stopped sending or receiving messages through the internet, but your users can still access local and internet sites. What could be the possible cause?
73. You are upgrading your company’s infrastructure by implementing a video conferencing setup and are experiencing network degradation. You have determined that a hub is causing the bottleneck. Which of these network devices should you replace your hub with?
74. You are working as a network administrator in your organization. A user complains that he is not able to print to a network printer attached to the network. When you try to ping the printer with an IP address it gives a successful reply but the host name ping fails. What could be the most likely cause?