Free CompTIA Network+ Certification N10-009 Exam Practice Test

A newtwork administrator needs to create an SVI on a Layer 3-capable device to separate voice and data traffic. Which of the following best explains this use case?

• A physical interface used for trunking logical ports
• A physical interface used for management access
• A logical interface used for the routing of VLANs
• A logical interface used when the number of physical ports is insufficent.

A network administrator needs to change where the outside DNS records are hosted. Which of the following records should the administrator change the registrar to accomplish this task?

• NS
• SOA
• PTR
• CNAME

A network technician is troubleshooting a web application's poor performance. The office has two internet links that share the traffic load. Which of the following tools should the technician use to determine which link is being used for the web application?

• netstat
• nslookup
• ping
• tracert

Which of the following disaster recovery concepts is calculated by dividing the total hours of operation by the total number of units?

• MTTR
• MTBF
• RPO
• RTO

Which of the following network devices converts wireless signals to electronic signals?

• Router
• Firewall
• Access point
• Load balancer

A company's marketing team created a new application and would like to create a DNS record for newapplication.comptia.org that always resolves to the same address as www.comptia.org. Which of the following records should the administrator use?

• SOA
• MX
• CNAME
• NS

After running a Cat 8 cable using passthrough plugs, an electrician notices that connected cables are experiencing a lot of cross talk. Which of the following troubleshooting steps should the electrician take first?

• Inspect the connectors for any wires that are touching or exposed.
• Restore default settings on the connected devices.
• Terminate the connections again.
• Check for radio frequency interference in the area.

Which of the following attacks can cause users who are attempting to access a company website to be directed to an entirely different website?

• DNS poisoning
• Denial-of-service
• Social engineering
• ARP spoofing

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?

• 172.16.0.0/24
• 192.168.0.0/24
• 224.0.0.0/24
• 240.0.0.0/24

A network administrator is planning to implement device monitoring to enhance network visibility. The security that the solution provies authentication and encryption. Which of the following meets these requirements?

• SIEM
• Syslog
• NetFlow
• SNMPv3