A network administrator needs to query the NSs for a remote application. Which of the following commands would BEST help the administrator accomplish this task?

Which of the following types of connections would need to be set up to provide access from the internal network to an external network so multiple satellite offices can communicate securely using various ports and protocols?

The management team needs to ensure unnecessary modifications to the corporate network are not permitted and version control is maintained. Which of the following documents would BEST support this?

A company just migrated its email service to a cloud solution. After the migration, two-thirds of the internal users were able to connect to their mailboxes, but the connection fails for the other one-third of internal users. Users working externally are not reporting any issues. The network administrator identifies the following output collected from an internal host:
c:\user> nslookup newmail.company.com
Non-Authoritative answer:
Name: newmail.company.com
IPs: 3.219.13.186, 64.58.225.184, 184.168.131.243
Which of the following verification tasks should the network administrator perform NEXT?

A network administrator needs to configure a server to use the most accurate NTP reference available. Which of the following NTP devices should the administrator select?