[Free] 2018(Mar) EnsurePass Testking CompTIA JK0-023 Dumps with VCE and PDF 621-630

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CompTIA Network certification

Question No: 621 – (Topic 5)

A network administrator is looking to implement a solution allowing users to utilize a common password to access most network resources for an organization. Which of the following would BEST provide this functionality?

  1. RADIUS

  2. Single sign on

  3. Multifactor authentication

  4. Two-factor authentication

Answer: B

Question No: 622 – (Topic 5)

A company has only three laptops that connect to their wireless network. The company is currently using WEP encryption on their wireless network. They have noticed unauthorized connections on their WAP and want to secure their wireless connection to prevent this.

Which of the following security measures would BEST secure their wireless network? (Select TWO).

  1. Change the encryption method to WPA

  2. Limit the DHCP scope to only have three addresses total

  3. Enable the SSID broadcast

  4. Enable and configure MAC filtering

  5. Change the broadcast channel to a less commonly used channel

Answer: A,D

Question No: 623 – (Topic 5)

Which of the following capabilities of a firewall allows Zach, an administrator, to block traffic based on key words determined by the company?

  1. Stateless traffic monitor

  2. Stateful traffic monitor

  3. Signature identification

  4. Content filter

Answer: D

Question No: 624 – (Topic 5)

A SOHO had their wireless network breached on several occasions. The user turned off the SSID and enabled WEP encryption, but breaches are still occurring. Which of the following will improve security and MOST likely prevent future breaches?

  1. Turn down the signal strength

  2. Replace the WAP and enable WEP

  3. Change both the SSID and WEP key

  4. Enable WPA2 encryption

Answer: D

Question No: 625 – (Topic 5)

A system administrator is implementing an IDS on the database server to see who is trying to access the server. The administrator relies on the software provider for what to detect.

Which of the following would MOST likely be installed?

  1. Behavior based IDS

  2. Network based IDS

  3. Signature based IDS

  4. Honeypot

Answer: C

Question No: 626 – (Topic 5)

Which of the following authentication methods is MOST secure?

  1. NTLM

  2. CHAP

  3. MS-CHAP

  4. Kerberos

Answer: D

Question No: 627 – (Topic 5)

Karen, an employee, connects to a work computer from home via the built-in Windows remote desktop connection. Which of the following is she MOST likely using to establish the connection?

  1. RDP

  2. RTP

  3. RIP

  4. RAS

Answer: A

Question No: 628 – (Topic 5)

Sandy, a home user, wishes to confine a wireless network to devices ONLY inside of her house. Which of the following will accomplish this?

  1. Decreasing radio strength

  2. MAC filtering

  3. WEP encryption

  4. SSID broadcast disable

Answer: A

Topic 6, Industry standards, practices, and network theory

Question No: 629 – (Topic 6)

A new SOHO wireless network is set up using two access points with separate SSIDs on the same frequency. However, the users are experiencing intermittent connectivity on both SSIDs. Which of the following is the problem?

  1. Wrong DNS

  2. SSID mismatch

  3. Encryption type

  4. Incorrect channel

Answer: D

Question No: 630 – (Topic 6)

A national cable company providing TV, telephone, and Internet service to home users over its IP network, has been tracking a large increase of network bandwidth due to P2P file sharing. Which of the following should the company deploy to ensure excellent TV and telephone service?

  1. QoS

  2. Load balancing

  3. High availability

  4. Fiber optics

Answer: A

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