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N10-009 Exam Dumps - CompTIA Network+ Certification Exam

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Question # 49

A network engineer is testing a website to ensure it is compatible with IPv6. After attempting to ping the website by its IPv6 address, the engineer determines that the DNS has not been set up properly. Which of the following should the network engineer complete to resolve this issue?

A.

Enable a PTR record.

B.

Update the existing TXT record.

C.

Add a new AAAA record.

D.

Configure a secondary NS record.

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Question # 50

Three access points have Ethernet that runs through the ceiling. One of the access points cannot reach the internet. Which of the following tools can help identify the issue?

A.

Network tap

B.

Cable tester

C.

Visual fault locator

D.

Toner and probe

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Question # 51

Users cannot connect to an internal website with an IP address 10.249.3.76. A network administrator runs a command and receives the following output:

1 3ms 2ms 3ms 192.168.25.234

2 2ms 3ms 1ms 192.168.3.100

3 4ms 5ms 2ms 10.249.3.1

4 *

5 ’

6 *

7 •

Which of the following command-line tools is the network administrator using?

A.

tracert

B.

netstat

C.

tcpdump

D.

nmap

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Question # 52

A technician is planning an equipement installation into a rack in a data center that practices hot aisle/cold aise ventilation. Which of the following directions should the equipement exhaust face when installed in the rack?

A.

Sides

B.

Top

C.

Front

D.

Rear

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Question # 53

A systems administrator is configuring a new device to be added to the network. The administrator is planning to perform device hardening prior to connecting the device. Which of the following should the administrator do first?

A.

Update the network ACLs.

B.

Place the device in a screened subnet.

C.

Enable content filtering.

D.

Change the default admin passwords.

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Question # 54

Which of the following steps in the troubleshooting methodology would be next after putting preventive measures in place?

A.

Implement the solution.

B.

Verify system functionality.

C.

Establish a plan of action.

D.

Test the theory to determine cause.

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Question # 55

After changes were made to a firewall, users are no longer able to access a web server. A network administrator wants to ensure that ports 80 and 443 on the web server are still accessible from the user IP space. Which of the following commands is best suited to perfom this testing?

A.

Dig

B.

Ifconfig

C.

Ping

D.

nmap

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Question # 56

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.

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