When setting up a virtual machine, which of the following is an advantage of a virtual NIC as compared to a hardware NIC?

A company is building a new 10Gb Ethernet top of rack network.
Which of the following media is MOST cost-effective for this implementation?

A PC is having trouble connecting to a remote resource.
Which of the following will identify the routers a packet travels through and provide real-time feedback regarding latency?

In a home network, all clients are accessing the Internet via a single host.
This is an example of which of the following?

A network administrator at a large campus has determined that many connectivity issues reported in the residence halls are due to residents connecting the LAN side of personal routers to the campus network.
Which of the following can be implemented to resolve this problem?

A technician has deployed a new VPN concentrator. The device needs to authenticate users based on a backend directory service.
Which of the following services could be run on the VPN concentrator to perform this authentication?

Which of the following is an advantage of utilizing a Layer 2 switch rather than a hub?

A network technician has been asked to add a user to an administrative group on the network.
Which of the following change management procedures should be followed?

Users report they are receiving an unusual amount of suspicious email from the network administrator.
Which of the following is the cause of this security issue?

A company technician has set up the network so that all external protections and internal protections across the network are segregated from any malicious attacks and there are firewalls configured on both sides of the
DMZ. During the configuration review of the device installation, there is evidence of unauthorized network traffic penetrating the internal network.
Which of the following is either missing or incorrectly configured in the firewall settings?