[Free] 2018(June) Dumps4cert CompTIA JK0-023 Dumps with VCE and PDF Download 551-560

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CompTIA Network certification

Question No: 551 – (Topic 5)

Which of the following attacks creates a buffer overflow to stop access to a system?

  1. Blue jacking

  2. DoS

  3. Netstat

  4. Man-in-the-middle

Answer: B

Question No: 552 – (Topic 5)

Which of the following is used to determine whether or not a user’s account is authorized to access a server remotely?

  1. VPN

  2. RDP

  3. LDAP

  4. Encryption

Answer: C

Question No: 553 – (Topic 5)

A user receives a phone call at home from someone claiming to be from their company’s IT help desk. The help desk person wants to verify their username and password to ensure that the user’s account has not been compromised. Which of the following attacks has just occurred?

  1. Evil twin

  2. Phishing

  3. Man-in-the-middle

  4. Social engineering

Answer: D

Question No: 554 – (Topic 5)

Ann, a user, connects to her company’s secured wireless network in the conference room when attending meetings. While using the conference room this morning, Ann notices an

unsecured wireless network with the same name is available. Ann connects her laptop to this network instead of to the secured one. Ann has fallen victim to which of the following threats?

  1. Rogue access point

  2. ARP poisoning

  3. Replay attack

  4. Evil twin

Answer: D

Question No: 555 – (Topic 5)

Which of the following should be mitigated by employing proper coding techniques when developing software?

  1. Distributed denial of service attacks

  2. Buffer overflows

  3. War driving

  4. Packet sniffing

Answer: B

Question No: 556 – (Topic 5)

Which of the following network tools is used to identify running services on host devices?

  1. IDS

  2. IPS

  3. Firewall

  4. NMAP

Answer: D

Question No: 557 – (Topic 5)

An administrator needs to provide remote connectivity to server1, web traffic to server2, and FTP access to server3 using a single outside IP address. Which of the following would the administrator implement on the firewall to accomplish this?

  1. Port Address Translation

  2. Demilitarized Zone

  3. Stateful Packet Inspection

  4. Network Address Translation

Answer: A

Question No: 558 – (Topic 5)

A network administrator is performing a penetration test on the WPA2 wireless network. Which of the following can be used to find the key?

  1. DoS

  2. Buffer overflow

  3. Dictionary file

  4. SQL injection

Answer: C

Question No: 559 – (Topic 5)

Which of the following should the last line of an ACL normally contain?

  1. Explicit allow

  2. Statically routed

  3. Random access

  4. Implicit deny

Answer: D

Question No: 560 – (Topic 5)

A company needs to implement a secure wireless system that would require employees to authenticate to the wireless network with their domain username and password. Which of the following would a network administrator deploy to implement these requirements? (Select TWO).

A. 802.1q

  1. MAC address filtering

  2. WPA2 Personal

  3. WPA Enterprise

E. 802.1x

Answer: D,E

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