CompTIA Network+ Recertification Exam for Continuing Education - RC0-N06 Exam Practice Test

A company installs a new mail server. Which of the following DNS records need to be configured to allow the organization to receive email?

Which of the following protocols must be implemented in order for two switches to share
VLAN information?

A network technician is informed that some clients cannot connect to a critical business application. This application is hosted on a server that resides within the local VLAN. The server has a domain name of Appserver1.CorpXYZ.local. The technician notices some client machines can still connect to the application server, while others in the same office cannot. All of the office computers share similar networking hardware, and connect to the same switch.
The network technician inspects an office computer that cannot establish a connection. The technician simultaneously runs a protocol analyzer on this office computer, and then attempts to ping the address Appserver.CorpXYZ.local. The technician receives a reply to the ping, but a connection to the business application still cannot be established. The following output is observed in the protocol analyzer:

Based on this output, which of the following is the MOST likely cause of the connectivity issues?

Which of the following network elements enables unified communication devices to connect to and traverse traffic onto the PSTN?

Users connecting to an SSID appear to be unable to authenticate to the captive portal.
Which of the following is the cause of this issue?

A SQL server needs several terabytes of disk space available to do an uncompressed backup of a database. Which of the following devices would be the MOST cost efficient to use for this backup?

An administrator has a physical server with a single NIC. The server needs to deploy two virtual machines. Each virtual machine needs two NIC's, one that connects to the network, and a second that is a server to server heartbeat connection between the two virtual machines. After deploying the virtual machines, which of the following should the administrator do to meet these requirements?

Channel bonding will improve which of the following wireless characteristics?

A network engineer needs to set up a topology that will not fail if there is an outage on a single piece of the topology. However, the computers need to wait to talk on the network to avoid congestions. Which of the following topologies would the engineer implement?

A technician needs to limit the amount of broadcast traffic on a network and allow different segments to communicate with each other. Which of the following options would satisfy these requirements?