CompTIA N+ N10 009 (Q 206- Q258)

A virtual machine has the following configuration:

•IPv4 address: 169.254.10.10

•Subnet mask: 255.255.0.0

The virtual machine can reach colocated systems but cannot reach external addresses on the

Internet. Which of the following Is most likely the root cause?

• Thesubnet mask is incorrect

• TheDHCP server is offline

• TheIP address is an RFC1918 private address.

• TheDNS server is unreachable

Which of the following provides an opportunity for an on-path attack?

• Phishing

• Dumpster diving

• Evil twin

• Tailgating

A network engineer needs to order cabling to connect two buildings within the same city. Which of

the following media types should the network engineer use?

• Coaxial

• Twinaxial

• Single-mode fiber

• Cat 5

Which of the following should be used to obtain remote access to a network appliance that has failed

to start up properly?

• Crash cart

• Jump box

• Secure Shell (SSH)

• Out-of-band management

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 technician is troubleshooting a user's laptop that is unable to connect to a corporate server. The

technician thinks the issue pertains to routing. Which of the following commands should the

technician use to identify the issue?

• tcpdump

• dig

• tracert

• arp

A medical clinic recently configured a guest wireless network on the existing router. Since then,

guests have been changing the music on the speaker system. Which of the following actions should

the clinic take to prevent unauthorized access? (Select two).

• Isolate smart devices to their own network segment

• Configure IPS to prevent guests from making changes.

• Install a new AP on the network.

• Set up a syslog server to log who is making changes.

• Change the default credentials

A network administrator recently upgraded a wireless infrastructure with new APs. Users report that

when stationary, the wireless connection drops and reconnects every 20 to 30 seconds. While

reviewing logs, the administrator notices the APs are changing channels.

Which of the following is the most likely reason for the service interruptions?

• Channel interference

• Roaming misconfiguration

• Network congestion

• Insufficient wireless coverage

Which of the following routing protocols is most commonly used to interconnect WANs?

• IGP

• EIGRP

• BGP

• OSPF

Which of the following will allow secure, remote access to internal applications?

• VPN

• CDN

• SAN

• IDS