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Which of the following allows a user to authenticate only once to gain access to multiple systems rather than needing to independently authenticate with each system?

Which of the following protocols does SFTP use in order to secure a communication channel between a client and server? 

In the context of disaster recovery, what type of site provides a nearly identical level of service to the organization’s main site, with virtually no downtime?

DNS ________ are used to tie an easily readable name to the IP address location of a single resource. 

HTTPS uses which protocol for data transfer?

A technician is assisting a Windows user that has called in to the help desk and would like to figure out the IP address and subnet mask of the user’s computer. Which Windows utility would be used to accomplish this?

This protocol has largely replaced SSL as the VPN protocol of choice for providing cryptography and reliability to upper layers of the OSI model.

What is the top-level domain of the address https://www.weber.edu/?

Testing a disaster recovery plan is never necessary as long as the team working on the plan has rigorously listed every possible scenario that could happen during the recovery. 

Select the appropriate address class for each of the IPv4 addresses given: IP Address Address Class 192.168.0.1 [ip1] 10.0.0.1 [ip2] 172.16.0.1 [ip3] 149.35.69.3 [ip4] 72.23.55.91 [ip5] 200.127.88.59 [ip6]