CompTIA Network+ Recertification Exam for Continuing Education (RC0-N06) Free Practice Test

Question 1

A network administrator wants to implement a centralized monitoring solution that utilizes push alerts sent from the client to a server. Which of the following types of monitoring should be put in place?

A. SNMP

B. NIDS

C. SMTP

D. SMS

Correct Answer: A

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Question 2

An Amplitude Modulation (AM) radio station may have a detrimental effect on which of the following services?

A. Frame relay

B. DOCSIS

C. SONET

D. Metro-Ethernet

Correct Answer: B

Question 3

A network technician receives the following alert from a network device:
"High utilizations threshold exceeded on gi1/0/24 : current value 9413587.54"
Which of the following is being monitored to trigger the alarm?

A. Speed and duplex mismatch

B. Network device CPU

C. Network device memory

D. Wireless channel utilization

E. Interface link status

Correct Answer: E

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Question 4

Ann, a system administrator, is troubleshooting an issue with a DNS server. She notices that the security logs have filled up and that they need to be cleared from the event viewer.
She recalls this being a daily occurrence. Which of the following solutions would BEST resolve this problem?

A. Install an event management tool

B. Delete the logs when full

C. Log into the DNS server every hour to check if the logs are full

D. Increase the maximum log size

Correct Answer: A

Question 5

A home user reports to a network technician that the Internet is slow. The network administrator discovers that multiple unknown devices are connected to the access point.
Which of the following is the MOST likely cause?

A. An evil twin has been implemented.

B. A successful WPS attack has occurred.

C. The user is connected to a botnet.

D. The user is experiencing ARP poisoning.

Correct Answer: B

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Question 6

An administrator has a virtualization environment that includes a vSAN and iSCSI switching. Which of the following actions could the administrator take to improve the performance of data transfers over iSCSI switches?

A. The administrator should set the MTU to 9000 on the each of the participants in the vSAN.

B. The administrator should connect the iSCSI switches to each other over inter-switch links (ISL).

C. The administrator should configure each vSAN participant to have its own VLAN.

D. The administrator should configure the switch ports to auto-negotiate the proper
Ethernet settings.

Correct Answer: A

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Question 7

After repairing a computer infected with malware, a technician determines that the web browser fails to go to the proper address for some sites. Which of the following should be checked?

A. Server host file

B. Subnet mask

C. Duplex settings

D. Local hosts file

Correct Answer: D

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Question 8

A network technician has received reports of an Internet-based application that has stopped functioning. Employees reported that after updating the Internet browsers, the application began to fail. Many users rolled back the update, but this did not correct problem. Which of the following should the company do to reduce this type of action from affecting the network?

A. Coordinate the Internet Server update to coincide with the users' updates.

B. Verify the update hashes match those on the vendor's website.

C. Implement a disaster recovery plan with a hot site to allow users to continue working.

D. Segment the network and create a test lab for all updates before deployment.

Correct Answer: D

Question 9

The network administrator is configuring a switch port for a file server with a dual NIC. The file server needs to be configured for redundancy and both ports on the NIC need to be combined for maximum throughput. Which of the following features on the switch should the network administrator use?

A. LACP

B. BPDU

C. Spanning tree

D. Load balancing

Correct Answer: A

Question 10

Which of the following protocols uses label-switching routers and label-edge routers to forward traffic?

A. IS-IS

B. MPLS

C. OSPF

D. BGP

Correct Answer: B

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Question 11

Packet analysis reveals multiple GET and POST requests from an internal host to a URL without any response from the server. Which of the following is the BEST explanation that describes this scenario?

A. Compromised system

B. Smurf attack

C. SQL injection attack

D. Man-in-the-middle

Correct Answer: A

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Question 12

A disgruntled employee executes a man-in-the-middle attack on the company network.
Layer 2 traffic destined for the gateway is redirected to the employee's computer. This type of attack is an example of:

A. amplified DNS attack

B. IP spoofing

C. evil twin

D. ARP cache poisoning

Correct Answer: D

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Question 13

A network administrator is configuring a VLAN across multiple switches. The administrator wants to configure the VLAN once and have that configuration propagate to all of the switches in the network. Which of the following should the administrator do?

A. Configure the switches to utilize IGRP

B. Implement port bonding on the switches

C. Configure the switches to utilize VTP

D. Configure the switches to utilize STP

Correct Answer: C

Question 14

CORRECT TEXT - (Topic 6)
SIMULATION
After recent changes to the pictured network, several users are unable to access the servers.
Only PC1, PC2, PC3, and PC4 are configurable. You can only change the adapter configurations to each PC.

Correct Answer:

Here is the solution below
Explanation:
On PC3, change the subnet mask to 255.255.255.0. When it is set to 255.255.255.128, then the PC with a .129 address will not be on the same subnet as the default gateway which is .1
On PC4, change the default gateway to 10.0.2.1. It has been incorrectly set as 10.1.2.1.
On this simulation, you will be asked to test connectivity after fixing the issues. You MUST ping the other three computers on EACH computer (i.e. from PC1, ping PC2, PC3, PC4, and from PC2, ping PC1, PC3 and PC4, etc)

Question 15

A technician is setting up a new network and wants to create redundant paths through the network. Which of the following should be implemented to prevent performance degradation?

A. VLAN

B. Port mirroring

C. ARP inspection

D. Spanning tree

Correct Answer: D

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CompTIA Network+ Recertification Exam for Continuing Education (RC0-N06) Free Practice Test