[Free] 2018(June) Dumps4cert CompTIA JK0-023 Dumps with VCE and PDF Download 541-550

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2018 May CompTIA Official New Released JK0-023
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CompTIA Network certification

Question No: 541 – (Topic 5)

An organization recently installed a firewall on the network. Employees must have access to their work computer from their home computer. In which of the following ways should the firewall be configured?

  1. Allow TCP port 3389 outbound

  2. Allow UDP port 3389 inbound

  3. Allow UDP port 3389 outbound

  4. Allow TCP port 3389 inbound

Answer: D

Question No: 542 – (Topic 5)

Which of the following attacks would allow an intruder to do port mapping on a company’s internal server from a separate company server on the Internet?

  1. SYN flood

  2. Teardrop

  3. Smurf

  4. FTP bounce

Answer: D

Question No: 543 – (Topic 5)

Which of the following network access methods is the MOST secure?

  1. PPPoE

  2. SIP

  3. RSH

  4. IPSec

Answer: D

Question No: 544 – (Topic 5)

Zach, an administrator, wants to eliminate remote access to a network from all users, except those users in Zach’s own country. Which of the following security measures could he use to set up this functionality?

  1. MAC filtering

  2. Port filtering

  3. IP filtering

  4. TLS

Answer: C

Question No: 545 – (Topic 5)

Which of the following will BEST block a host from accessing the LAN on a network using static IP addresses?

  1. IP filtering

  2. Port filtering

  3. MAC address filtering

  4. DHCP lease

Answer: A

Question No: 546 – (Topic 5)

A network administrator is tasked with deploying a company-wide wireless system which allows for accurate tracking of employees’ wireless device locations via WAP triangulation. Which of the following is the MOST important aspect of the deployment?

  1. WAP placement

  2. TX/RX channel

  3. Signal strength

  4. Transmission power

Answer: A

Question No: 547 – (Topic 5)

The company is setting up a new website that will be requiring a lot of interaction with external users. The website needs to be accessible both externally and internally but without allowing access to internal resources. Which of the following would MOST likely be configured on the firewall?

  1. PAT

  2. DHCP

  3. DMZ

  4. NAT

Answer: C

Question No: 548 – (Topic 5)

Which of the following describes blocking traffic based upon the Layer 3 sources address of the traffic?

  1. Port filtering

  2. IP filtering

  3. MAC filtering

  4. Application filtering

Answer: B

Question No: 549 – (Topic 5)

Lisa, a technician, is asked to not allow FTP traffic on a network. Which of the following ports should be blocked on the firewall to achieve this?

  1. 21

  2. 22

  3. 23

  4. 25

Answer: A

Question No: 550 – (Topic 5)

A network administrator wishes to limit the number of potential wireless clients to 20 on a specific AP. Which of the following settings needs to be changed?

  1. The network address translation IP range.

  2. The signal strength of the router.

  3. The DCHP lease time.

  4. The number of allowable MAC addresses.

Answer: D

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