A network technician configures a firewall's ACL to allow outgoing traffic for several popular services such as email and web browsing. However, after the firewall's deployment, users are still unable to retrieve their emails.
Which of the following would BEST resolve this issue?

A technician is allocating the IP address space needed for a new remote office. This office will contain the engineering staff with six employees and the digital marketing staff with 55 employees. The technician has decided to allocate the 192.168.1.0/24 block to the remote office.
The engineering staff has been allocated the 192.168.1.64/29 subnet.
Using the LEAST amount of space possible, which of the following would be the last usable IP address in the engineering subnet?

A company has decided to upgrade its legacy phone system to VoIP. The new phones will download the configurations from a TFTP server each time they boot up. Which of the following firewall ports must be opened to ensure the phones can communicate with the server?

A company runs Linux servers in its own datacenter and also on a popular public cloud service provider. The servers hosted by the cloud provider can only be accessed with proper authorization and are only accessed by the company's datacenter. Which of the following BEST describes the type of cloud architecture being used?
(Choose two.)

Which of the following is categorized by sending data to a host and reviewing which services respond?