A technician wants to update the organization’s disaster recovery plans.
Which of the following will allow network devices to be replaced quickly in the event of a device failure?

A network administrator is noticing slow responds times from the server to hosts on the network. After adding several new hosts, the administrator realizes that CSMA/CD results in network slowness due to congestion at the server NIC.
Which of the following should the network administrator do to correct the issue?

A technician is configuring a computer lab at a school. The computers need to be able to communicate with each other, but students using the computers should not be able to access the internet.
Which of the following rules on the firewall should the technician configure for the lab computers?

A network technician was tasked to install a network printer and share it to a group of five human resource employees. The technician plugged the device into a LAN jack, but was unable to obtain an IP address automatically.
Which of the following is the cause of the problem?

The Chief Information Officer (CIO) of an organization is concerned that the current locally-hosted, software threat solution is not agile enough. The CIO points to specific examples of zero-day threats that have recently taken a day or more to receive patches. The IT team is tasked with finding a solution that has a better chance of stopping emerging threats and stopping zero-day threats more quickly.
Which of the following solutions would have the BEST chance of meeting these goals?

A technician is attempting to resolve an issue with users on the network not being able to access websites. The technician pings the default gateway and DNS servers successfully. Pinging a website by URL is unsuccessful but using a known IP address is successful.
Which of the following will resolve the issue?

While implementing wireless access points into the network, one building is having connectivity issues due to light fixtures being replaced in the ceiling, while all other buildings’ connectivity is performing as expected.
Which of the following should be exchanged on the access points installed in the building with connectivity issues?

Which of the following protocols were designed to avoid loops on a Layer 2 network? (Select TWO)

Ann, a system administrator, is troubleshooting an issue with a DNS server. She notices that the security logs have filled up and that they need to be cleared from the event viewer. She recalls this being a daily occurrence.
Which of the following solutions would BEST resolve this problem?

A client reports that half of the marketing department is unable to access network resources. The technician determines that the switch has failed and needs to replace it.
Which of the following would be the MOST helpful in regaining connectivity?