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CompTIA N10-009 Exam Syllabus Topics:

Topic
Details

Topic 1

Networking Concepts: For network administrators and IT support professionals, this domain covers

Topic 2

Network Operations: For IT operations staff and network operations center (NOC) technicians, this part of the exam covers the purpose of organizational processes and procedures and use of network monitoring technologies.

Topic 3

Cloud concepts and connectivity options, and Common networking ports.

Topic 4

Selection and configuration of wireless devices.

Topic 5

OSI reference model concepts, Comparison of networking appliances, applications, and functions

Topic 6

Network Implementation: For network technicians and junior network engineers, this section covers Characteristics of routing technologies, Configuration of switching technologies and features, and

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N10-009 Test Quiz: CompTIA Network+ Certification Exam & N10-009 Actual Exam & N10-009 Exam Training

The CompTIA Network+ Certification Exam (N10-009) exam questions can help you gain the high-in-demand skills and credentials you need to pursue a rewarding career. To do this you just need to pass the CompTIA Network+ Certification Exam (N10-009) certification exam which is not easy to crack. You have to put in some extra effort, and time and prepare thoroughly to pass the CompTIA N10-009 Exam. For the quick, complete, and comprehensive CompTIA Network+ Certification Exam (N10-009) exam dumps preparation you can get help from top-notch and easy-to-use N10-009 Questions.

CompTIA Network+ Certification Exam Sample Questions (Q121-Q126):

NEW QUESTION # 121
A network administrator is troubleshooting a connectivity issue between two devices on two different subnets.
The administrator verifies that both devices can successfully ping other devices on the same subnet. Which of the following is the most likely cause of the connectivity issue?

A. Wrong duplex settings
B. Incorrect default gateway
C. VLAN mismatch
D. Faulty Ethernet cable

Answer: B

Explanation:
When two devices on different subnets are unable to communicate, but can communicate with other devices on their own subnet, the issue is most often related torouting. Devices on different subnets require adefault gatewayto route traffic between networks.
* If thedefault gateway is incorrectly configured, the device won't know how to reach other subnets.
* Faulty cables (Option B) or duplex mismatches (Option C) would likely cause connectivity issues even within the local subnet, which is not the case here.
* VLAN mismatches (Option D) are typically issues with switch port configurations and would likely cause total loss of connectivity, including within the same subnet.
#So, the most probable andlogical causeis anincorrect default gateway.

NEW QUESTION # 122
A systems administrator is investigating why users cannot reach a Linux web server with a browser but can ping the server IP. The server is online, the web server process is running, and the link to the switch is up. Which of the following commands should the administrator run on the server first?

A. tcpdump
B. traceroute
C. arp
D. netstat

Answer: D

Explanation:
The netstat command provides information about network connections, routing tables, interface statistics, masquerade connections, and multicast memberships. Running netstat on the server can help the administrator verify that the web server process is listening on the expected port (e.g., port 80 for HTTP or port 443 for HTTPS) and that there are no issues with network connections. This is a crucial first step in diagnosing why the web server is not accessible via a browser.

NEW QUESTION # 123
A network manager wants to implement a SIEM system to correlate system events. Which of the following protocols should the network manager verify?

A. DNS
B. DHCP
C. NTP
D. LDAP

Answer: C

Explanation:
Role of NTP (Network Time Protocol):
NTP is used to synchronize the clocks of network devices to a reference time source. Accurate time synchronization is critical for correlating events and logs from different systems.
Importance for SIEM Systems:
Event Correlation: SIEM (Security Information and Event Management) systems collect and analyze log data from various sources. Accurate timestamps are essential for correlating events across multiple systems.
Time Consistency: Without synchronized time, it is challenging to piece together the sequence of events during an incident, making forensic analysis difficult.

NEW QUESTION # 124
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?

A. 224.0.0.0/24
B. 172.16.0.0/24
C. 240.0.0.0/24
D. 192.168.0.0/24

Answer: A

Explanation:
The address range 224.0.0.0/24 falls within the Class D IP address range (224.0.0.0 to 239.255.255.255), which is reserved for multicast traffic. Multicast addresses are used for the delivery of information to multiple destinations simultaneously, making them ideal for applications like audio and video broadcasting. The other options (172.16.0.0/24, 192.168.0.0/24, and 240.0.0.0/24) are not suitable for multicast as they are within different IP ranges used for other purposes (private addressing and future use, respectively).
Reference: CompTIA Network+ Certification Exam Objectives - IP Addressing section.

NEW QUESTION # 125
A company is hosting a secure that requires all connections to the server to be encrypted. A junior administrator needs to harded the web server. The following ports on the web server. The following ports on the web server are open:

Which of the following ports should be disabled?

A. 0
B. 1
C. 2
D. 3

Answer: B

Explanation:
For a web server that requires all connections to be encrypted, port 80 (HTTP) should be disabled. Port 80 is used for unencrypted web traffic, whereas port 443 is used for HTTPS, which provides encrypted communication.
Port 80 (HTTP): This port is used for unsecured web traffic. Disabling this port ensures that all web traffic must use HTTPS, which encrypts the data in transit.
Port 443 (HTTPS): This port is used for secure web traffic via SSL/TLS encryption. Keeping this port open ensures that secure connections can be made to the web server.
Port 22: Used for SSH, providing secure remote access and file transfers.
Port 587: Used for secure email submission (SMTP) with encryption.

NEW QUESTION # 126
......

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