[Free] 2018(June) Dumps4cert CompTIA RC0-N06 Dumps with VCE and PDF Download 251-260

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CompTIA Network Recertification Exam for Continuing Education

Question No: 251 – (Topic 6)

Which of the following default ports is associated with protocols that are connectionless?

A. 80 B. 443 C. 2427 D. 3389

Answer: C

Question No: 252 – (Topic 6)

An additional network segment is urgently needed for QA testing on the external network. A software release could be impacted id this change is not immediate. The request come directly from management, and there is no time to go through the emergency change control process. Given this scenario, which of the following is the BEST course of action for the network administrator to take?

  1. Wait until the maintenance window, and make the requested change

  2. First document the potential impacts and procedures related to the change

  3. Send out a notification to the company about the change

  4. Make the change, noting the requester, and document all network changes

Answer: D

Question No: 253 – (Topic 6)

Exploiting a weakness in a user#39;s wireless headset to compromise the mobile device is known as which of the following?

  1. Multiplexing

  2. Zero-day attack

  3. Smurfing

  4. Bluejacking

Answer: D

Question No: 254 – (Topic 6)

A technician installs three new switches to a company’s infrastructure. The network technician notices that all the switch port lights on the front of each switch flashes rapidly when powered on and connected. Additionally, there are rapid flashing amber lights on the switches when they started up the next day.

Which of the following describes what is occurring with the switches?

  1. The switches are running through their spanning tree process.

  2. The switches are having problems communicating with each other.

  3. The switches are connected and detected a spanning tree loop.

  4. The switches are not functioning properly and need to be disconnected.

Answer: A

Question No: 255 – (Topic 6)

A network administrator set up a network computer lab and discovered connectivity issues. The administrator is able to ping the fiber uplink interface, but none of the new PCs plugged into the switch respond to ICMP requests. Which of the following should the administrator perform FIRST?

  1. Check if there are link lights on the ports

  2. Checkthe ports on the switch for full duplex

  3. Check to see if port security is enabled

  4. Check to see if the uplink interface is configured correctly.

Answer: A

Question No: 256 – (Topic 6)

A technician suspects that the email system is slow due to excessive incoming SPAM. Which of the following should the technician do according to the troubleshooting methodology?

  1. Verify full system functionality

  2. Block incoming email

  3. Establish a plan of action

  4. Gather information

  5. Consider multiple approaches

Answer: D

Question No: 257 – (Topic 6)

A home office has a dozen devices that need a class based DHCP device to assign addresses. The subnet only has one octet for the host portion of each device. Which of the following IP addresses would be assigned to the default gateway?





Answer: C

Question No: 258 – (Topic 6)

The BEST way to secure the most vulnerable attack vector for a network is to:

  1. Update all antivirus definitions on workstations and servers.

  2. Use biometrics and SSO for authentication.

  3. Remove unneeded services running on the servers.

  4. Provide end-user awareness training to office staff.

Answer: A

Question No: 259 – (Topic 6)

A network technician has just run a new point-to point fiber link between two local routers, however, after the fiber has been plugged in on both ends, the interface will not come up. The technician has double-checked the interface configuration on both routers, both SFPs have been hard looped to confirm they are functioning, connectors on both ends of the links have been cleaned, and there is sufficient optical power. Which of the following is the cause of the issue?

  1. Wavelength mismatch

  2. Duplex mismatch

  3. Distance limitations

  4. Wrong IP address

Answer: A

Question No: 260 – (Topic 6)

While installing new network equipment, a network administrator wants to add infrastructure to keep the cables organized in the environment. The administrator also

needs cables to be easily removed or added due to the constantly changing environment. Which of the following will BEST fulfill the requirement?

  1. Hook and loop straps

  2. Ladder trays

  3. Raised floor

  4. Cable ties

Answer: B Explanation:


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