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| Certification Vendor: | CompTIA |
|---|---|
| Exam Name: | CompTIA Network+ Certification Exam |
| Exam Number: | N10-009 |
| Available Languages: | Spanish, Portuguese, English, Japanese, German |
| Exam Format: | Performance-based, Multiple-choice |
| Exam Price: | $369 USD |
| Passing Score: | 720 (on a scale of 100-900) |
| Real Exam Qty: | Maximum 90 |
| Exam Duration: | 90 minutes |
| Related Certifications: | CompTIA Network+ |
| Certificate Validity Period: | 3 years |
| Sample Questions: | CompTIA N10-009 Sample Questions |
| Exam Way: | Online or in-person testing at Pearson VUE test centers. |
| Pre Condition: | CompTIA recommends A+ certification and 9-12 months of networking experience. |
| Official Syllabus URL: | https://www.comptia.org/en/certifications/network/ |
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NEW QUESTION # 199
After providing a username and password, a user must input a passcode from a phone application. Which of the following authentication technologies is used in this example?
Answer: C
Explanation:
This is an example of Multi-Factor Authentication (MFA) because it requires:
Something you know (username/password)
Something you have (a phone-generated passcode)
NEW QUESTION # 200
A network engineer is deploying switches at a new remote office. The switches have been preconfigured with hostnames and STP priority values.
Based on the following table:
Which of the following switches will become the root bridge?
Answer: C
Explanation:
If two switches have the same priority value, the switch with the lowest MAC address will be selected as the root bridge. Here both core-sw01 and access-sw01 has same STP priority values.
access-sw01 has lowest MAC address.
NEW QUESTION # 201
A network engineer configures the network settings in a new server as follows:
* IP address = 192.163.1.15
* Subnet mask = 255.255.255.0
* Gateway = 192.163.1.255
The server can reach other hosts on the same subnet successfully, but it cannot reach hosts on different subnets. Which of the following is most likely configured incorrectly?
Answer: A
Explanation:
The default gateway for a network should bean IP address within the subnet, butnot the broadcast address
. In this case:
* IP: 192.163.1.15
* Subnet Mask: 255.255.255.0
* This means thenetwork rangeis: 192.163.1.0 - 192.163.1.255
* 192.163.1.255 is thebroadcast addressfor this subnet, so itcannot be used as a gateway.
Hence, the device fails to communicate outside its subnet because it's trying to use abroadcast addressas its gateway.
#The issue is clearly with thegateway configuration.
NEW QUESTION # 202
Which of the following focuses on application delivery?
Answer: B
Explanation:
Platform as a Service (PaaS) focuses on application delivery. It provides a platform for developers to build, deploy, and manage their applications without having to worry about the underlying infrastructure. PaaS providers typically offer a variety of services, such as:
Operating system
Programming languages
Databases
Web servers
Application servers
Storage
Networking
Load balancing
Monitoring
PaaS can be a good option for businesses that want to develop and deploy applications quickly and easily, without having to worry about the underlying infrastructure.
NEW QUESTION # 203
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?
Answer: C
Explanation:
* Understanding the 169.254.x.x Address:
* An IPv4 address in the range of 169.254.x.x is an Automatic Private IP Addressing (APIPA) address, assigned when a DHCP server is unavailable.
* DHCP Server Offline:
* APIPA Assignment:When a device cannot obtain an IP address from a DHCP server, it assigns itself an APIPA address to enable local network communication. This allows communication with other devices on the same local subnet but not with external networks.
* Resolution:Ensure the DHCP server is operational. Check for connectivity issues between the virtual machine and the DHCP server, and verify the DHCP server settings.
* Comparison with Other Options:
* The subnet mask is incorrect:The subnet mask 255.255.0.0 is appropriate for the 169.254.x.x range and does not prevent external access by itself.
* The IP address is an RFC1918 private address:RFC1918 addresses are private IP ranges (10.x.x.x, 172.16.x.x-172.31.x.x, 192.168.x.x) but 169.254.x.x is not one of them.
* The DNS server is unreachable:While this could affect name resolution, it would not prevent the assignment of a non-APIPA address or local network communication.
* Troubleshooting Steps:
* Verify the DHCP server's status and connectivity.
* Restart the DHCP service if necessary.
* Renew the IP lease on the virtual machine using commands such asipconfig /renew(Windows) ordhclient(Linux).
References:
* CompTIA Network+ study materials on IP addressing and DHCP troubleshooting.
NEW QUESTION # 204
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