A network administrator suspects users are being sent to malware sites that are posing as legitimate sites. The network administrator investigates and discovers that user workstations are configured with incorrect DNS IP addresses. Which of the following should the network administrator implement to prevent this from happening again?
A network administrator installs new cabling to connect new computers and access points. After deploying the equipment, the administrator notices a few of the devices are not connecting properly.The administrator moves the devices to a different port, but it does not resolve the issue. Which of the following should the administrator verify next?
A network administrator needs to set up a multicast network for audio and video broadcasting. Which of the following networks would be the most appropriate for this application?
Which of the following panels would be best to facilitate a central termination point for all network cables on the floor of a company building?
A network engineer performed a migration to a new mail server. The engineer changed the MX record, verified the change was accurate, and confirmed the new mail server was reachable via the IP address in the A record. However, users are not receiving email. Which of the following should the engineer have done to prevent the issue from occurring?
Which of the following steps of the troubleshooting methodology would most likely include checking through each level of the OSI model after the problem has been identified?
Which of the following network devices converts wireless signals to electronic signals?
A network engineer discoversnetwork trafficthat is sendingconfidential informationto anunauthorized and unknown destination. Which of the followingbest describesthe cause of this network traffic?
Which of the following disaster recovery concepts is calculated by dividing the total hours of operation by the total number of units?
A university is implementing anew campus wireless network. A network administrator needs to configure the network to supporta large number of devices and high-bandwidth demands from students.
Which of the followingwireless technologiesshould the administrator consider for this scenario?