An administrator requests a certificate for the company's domain name. In order to prove ownership of the domain, the certificate authority asks the administrator to create a specific DNS record. Which of the following record types is required?
An organization has four departments that each need access to different resources that do not overlap. Which of the following should a technician configure in order to implement and assign an ACL?
While conducting a network audit, an administrator notices the spanning tree root in VLAN 300 does not match the configuration baseline, which could cause network outages due to spanning tree update failures. Which of the following should the administrator do to restore consistency?
A network administrator needs to connect a multimode fiber cable from the MDF to the server room. The administrator connects the cable to Switch 2, but there is no link light. The administrator tests the fiber and finds it does not have any issues. Swapping the connection to Switch 1 in a working port is successful, but the swapped connection does not work on Switch 2. Which of the following should the administrator verify next?
Which of the following will most likely allow a network administrator to work with current data after a disaster?
A VoIP phone powers up, but it is unable to receive or place calls. After connecting to another switchport, the issue is resolved. Which of the following was most likely the issue with the previous port?
