CompTIA N10-009 CompTIA Network+ Certification Online Training
CompTIA N10-009 Online Training
The questions for N10-009 were last updated at Feb 28,2025.
- Exam Code: N10-009
- Exam Name: CompTIA Network+ Certification
- Certification Provider: CompTIA
- Latest update: Feb 28,2025
A network administrator is notified that a user cannot access resources on the network. The network administrator checks the physical connections to the workstation labeled User 3 and sees the Ethernet is properly connected. However, the network interface’s indicator lights are not blinking on either the computer or the switch.
Which of the following Is the most likely cause?
- A . The switch failed.
- B . The default gateway is wrong.
- C . The port Is shut down.
- D . The VLAN assignment is incorrect.
An administrator is setting up an SNMP server for use in the enterprise network and needs to create device IDs within a MIB.
Which of the following describes the function of a MIB?
- A . DHCP relay device
- B . Policy enforcement point
- C . Definition file for event translation
- D . Network access controller
Which of the following best explains the role of confidentiality with regard to data at rest?
- A . DHCP relay device
- B . Policy enforcement point
- C . Definition file for event translation
- D . Network access controller
A network engineer performed a migration to a new mail server. The engineer changed the MX record, verified the change was accurate, and confirmed the new mail server was reachable via the IP address in the A record. However, users are not receiving email.
Which of the following should the engineer have done to prevent the issue from occurring?
- A . Change the email client configuration to match the MX record.
- B . Reduce the TTL record prior to the MX record change.
- C . Perform a DNS zone transfer prior to the MX record change.
- D . Update the NS record to reflect the IP address change.
Which of the following IP transmission types encrypts all of the transmitted data?
- A . ESP
- B . AH
- C . GRE
- D . UDP
- E . TCP
A network administrator notices interference with industrial equipment in the 2.4GHz range.
Which of the following technologies would most likely mitigate this issue? (Select two).
- A . Mesh network
- B . 5GHz frequency
- C . Omnidirectional antenna
- D . Non-overlapping channel
- E . Captive portal
- F . Ad hoc network
Which of the following disaster recovery metrics is used to describe the amount of data that is lost since the last backup?
- A . MTTR
- B . RTO
- C . RPO
- D . MTBF
Which of the following can support a jumbo frame?
- A . Access point
- B . Bridge
- C . Hub
- D . Switch
Which of the following is created to illustrate the effectiveness of wireless networking coverage in a building?
- A . Logical diagram
- B . Layer 3 network diagram
- C . Service-level agreement
- D . Heat map
A user is unable to navigate to a website because the provided URL is not resolving to the correct IP address. Other users are able to navigate to the intended website without issue.
Which of the following is most likely causing this issue?
- A . Hosts file
- B . Self-signed certificate
- C . Nameserver record
- D . IP helper
ANS
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