CompTIA Network+ Certification Exam

 

QUESTION 281

A network technician needs to identify active services that should be disabled on the network. Which of the following tools would BEST accomplish this?

 

A.

Packet analyzer

B.

Content filter

C.

Interface monitoring tool

D.

Port scanner

 

Correct Answer: D

 

 

QUESTION 282

During a business trip a user connects to the hotel’s wireless to send emails to customers. The user notices the next day that emails have been sent from the user’s account without consent. Which of the following protocols was used to compromise the user’s email password utilizing a network sniffer?

 

A.

SSL

B.

HTTP

C.

TFTP

D.

DNS

 

Correct Answer: B

 

 

QUESTION 283

A company has added several new employees, which has caused the network traffic to increase by 200%. The network traffic increase from the new employees was only expected to be 20% to 30%. The administration suspects that the network may have been compromised. Which of the following should the network administrator have done previously to minimize the possibility of a network breach?

 

A.

Create VLANs to segment the network traffic

B.

Place a network sniffer on segments with newemployees

C.

Provide end user awareness and training for employees

D.

Ensure best practices were implemented when creating new user accounts

 

Correct Answer: C

 

 

QUESTION 284

A technician is tasked with troubleshooting a network’s slowness. While troubleshooting, the technician is unable to ping any external websites. Users report they are able to access the sites using the web browsers. Which of the following is the MOST likely cause?

 

A.

ICMP traffic being blocked by the firewall

B.

VLAN hopping

C.

TACACS misconfiguration

D.

MTU black hole

 

Correct Answer: A

Explanation:

https://www.bleepingcomputer.com/forums/t/459888/why-i-cant-i-ping-any-website-although-i-can-access-them/

 

 

QUESTION 285

Coverage analysis for a new implementation of 802.11n WLAN involves which of the following? (Select TWO)

 

A.

Humidity

B.

Temperature

C.

Heatmap

D.

Building material

E.

Sight lines

 

Correct Answer: DE

 

 

QUESTION 286

A company is setting up a brand new datacenter and would like to keep the cabling infrastructure out of sight but still accessible to the network administrators. Infrastructure cost is not an issue. Which of the following should be installed to meet the requirements?

 

A.

Conduit

B.

Cable trays

C.

Patch panels

D.

Raised floor

 

Correct Answer: C

 

 

QUESTION 287

A technician who is working with a junior member of the team is called away for another issue. The junior technician orders an SC 80/125 fiber cable instead of an ST 80/125. Which of the following will MOST likely be an issue with the new cable?

 

A.

Wavelength mismatch

B.

Distance limitations

C.

Connector mismatch

D.

Attenuation/Db loss:

 

Correct Answer: C

 

 

QUESTION 288

Which of the following describes what occurs with the ID of a specified native VLAN when traffic passes over a trunk?

 

A.

It becomes the gateway of last resort for the switch or router.

B.

it becomes the default VLAN for the untagged frames.

C.

it becomes the priority ID for all the VLAN traffic across the device.

D.

It becomes the default gateway for the port or ports.

 

Correct Answer: B

QUESTION 289

A technician wants to configure a wireless network to identify itself to visitors by including the word “Guest” in the name. Which of the following would allow users to identify a wireless network by name?

 

A.

ESSID broadcast

B.

ARP broadcast

C.

BSSID broadcast

D.

DHCP broadcast

 

Correct Answer: A

 

 

QUESTION 290

A secondary datacenter in a remote location is used by a company. The cable management and power management are handled by the datacenter staff. The building security is also handled by the datacenter staff with little oversight. Which of the following should the network administrator do to adhere to best practices?

 

A.

Secure the patch panels.

B.

Ensure power monitoring is enabled.

C.

Ensure rack security.

D.

Secure the UPS units.

 

Correct Answer: C

 

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