CompTIA N+ (Q259 - Q332)

A security engineer is trying to connect cameras to a 12-port PoE switch, but only eight cameras turn

on. Which of the following should the engineer check first?

• Ethernet cable type

• Voltage

• Transceiver compatibility

• DHCP addressing

Which of the following is the most secure way to provide site-to-site connectivity?

• VXLAN

• IKE

• GRE

• IPsec

A network engineer receives a vendor alert regarding a vulnerability in a router CPU. Which of the

following should the engineer do to resolve the issue?

• Update the firmware.

• Replace the system board.

• Patch the OS.

• Isolate the system

Which of the following network cables involves bounding light off of protective cladding?

• Twinaxial

• Coaxial

• Single-mode

• Multimode

Which of the following IP transmission types encrypts all of the transmitted data?

• ESP

• AH

• GRE

• UDP

• TCP

A network administrator wants to increase network security by preventing client devices from

communicating directly with each other on the same subnet. Which of the following technologies

should be implemented?

• ACL

• Trunking

• Port security

• Private VLAN

A network administrator for a small office is adding a passive IDS to its network switch for the

purpose of inspecting network traffic. Which of the following should the administrator use?

• SNMP trap

• Port mirroring

• Syslog collection

• API integration

A network administrator wants users to be able to authenticate to the corporate network using a

port-based authentication framework when accessing both wired and wireless devices. Which of the

following is the best security feature to accomplish this task?

• 802.1X

• Access control list

• Port security

• MAC filtering

A network administrator is planning to host a company application in the cloud, making the

application available for all internal and third-party users. Which of the following concepts describes

this arrangement?

• Multitenancy

• VPC

• NFV

• SaaS

Which of the following troubleshooting steps would provide a change advisory board with the

information needed to make a decision?

• Identify the problem.

• Develop a theory of probable cause.

• Test the theory to determine cause.

• Establish a plan of action.