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>> CompTIA N10-009 Customized Lab Simulation <<
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NEW QUESTION # 108
A network technician is adding a new switch to increase capacity on the network. The technician connects the two switches using a single cable. Several hosts are moved to the new switch, but none of the hosts can access the network or internet. Which of the following should the technician do to resolve the issue?
Answer: B
Explanation:
When connecting switches, the uplink ports must be configured to carry traffic for multiple VLANs (trunking), not just a single access VLAN. Without trunking, VLAN tags may be dropped, and traffic from hosts will not reach the rest of the network or internet.
NEW QUESTION # 109
You are tasked with verifying the following requirements are met in order to ensure network security.
Requirements:
Datacenter
Ensure network is subnetted to allow all devices to communicate properly while minimizing address space usage Provide a dedicated server to resolve IP addresses and hostnames correctly and handle port 53 traffic Building A Ensure network is subnetted to allow all devices to communicate properly while minimizing address space usage Provide devices to support 5 additional different office users Add an additional mobile user Replace the Telnet server with a more secure solution Screened subnet Ensure network is subnetted to allow all devices to communicate properly while minimizing address space usage Provide a server to handle external 80/443 traffic Provide a server to handle port 20/21 traffic INSTRUCTIONS Drag and drop objects onto the appropriate locations. Objects can be used multiple times and not all placeholders need to be filled.
Available objects are located in both the Servers and Devices tabs of the Drag & Drop menu.
If at any time you would like to bring back the initial state of the simulation, please click the Reset All button.
Answer:
Explanation:
See explanation below.
Explanation:
Screened Subnet devices - Web server, FTP server
Building A devices - SSH server top left, workstations on all 5 on the right, laptop on bottom left DataCenter devices - DNS server.
A screenshot of a computer AI-generated content may be incorrect.
A screenshot of a computer AI-generated content may be incorrect.
A screenshot of a computer AI-generated content may be incorrect.
NEW QUESTION # 110
A small business is choosing between static and dynamic routing for its network. Which of the following is the best reason to use dynamic routing in a growing network?
Answer: A
Explanation:
Dynamic routing is most beneficial in a growing/changing network because it can automatically learn, adapt, and update routes as the topology changes. In Network+ (N10-009) routing objectives, dynamic routing protocols exchange routing information between routers and recalculate paths when links go down, new networks are added, or metrics change. This reduces the operational burden and the risk of human error that increases as the environment scales. With dynamic routing, adding a new subnet or branch often requires far fewer manual updates because routers propagate new route information automatically, and convergence mechanisms help restore connectivity after failures.
Option A can be partly true in large environments, but the core "best reason" emphasized for dynamic routing is the automatic adaptation to topology changes. Option B is incorrect-dynamic routing may introduce additional security considerations (route filtering, authentication, neighbor control). Option C is not a defining advantage; monitoring visibility depends on tools/telemetry rather than routing type. Therefore, the strongest and most correct reason is automatic changes and updates in network topology.
NEW QUESTION # 111
A network administrator is migrating the existing phone system to VoIP. The vendor requires a separate voice network for the phones to function. Which of the following technologies should the administrator use to allow for this configuration?
Answer: C
Explanation:
A Virtual LAN segments the network into separate broadcast domains on the same physical infrastructure, allowing you to isolate voice traffic on its own voice VLAN while using existing switches.
NEW QUESTION # 112
Which of the following ports is used to transfer data between mail exchange servers?
Answer: B
Explanation:
The correct answer is 25, which is the default port used by SMTP (Simple Mail Transfer Protocol) for communication between mail servers. According to CompTIA Network+ (N10-009) objectives under common port numbers and protocols, SMTP operates over TCP port 25 for server-to-server email transmission.
When an email is sent from one domain to another, the sending mail server queries DNS for the recipient domain's MX (Mail Exchange) record and then establishes an SMTP session over TCP port 25 to deliver the message. This port is specifically designated for mail relay between mail transfer agents (MTAs).
Port 21 is used for FTP (File Transfer Protocol), 53 is used for DNS (Domain Name System), and 69 is used for TFTP (Trivial File Transfer Protocol). None of these are responsible for transferring email between mail servers.
While SMTP can also use ports 587 (submission) and 465 (SMTPS) for client-to-server communication, port
25 remains the standard for mail server-to-mail server communication.
Therefore, TCP port 25 is the correct answer.
NEW QUESTION # 113
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