CompTIA JK0-016 Online Practice Questions and Exam Preparation

CompTIA JK0-016 Online Questions & Answers

• Question 171:

  An administrator would like to scan for open ports on the subnet and determine if any vulnerable applications are listening. Which of the following tools would the administrator MOST likely use?

  A. Ping
  B. Nessus
  C. IMAP
  D. Telnet
  B. Nessus

• Question 172:

  A technician needs to install a new wireless encryption system. They are evaluating the feasibility of implementing WPA. WPA increases protection over WEP by implementing which of the following?

  A. Strong RC4 encryption
  B. Shared secret keys
  C. AES encryption
  D. Key rotation
  D. Key rotation

• Question 173:

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

  A. Decreasing radio strength
  B. MAC filtering
  C. WEP encryption
  D. SSID broadcast disable
  A. Decreasing radio strength

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  Decreasing Radio Strength will reduce signal strength outside the house and will accomplish what she is intending to do.

• Question 174:

  A network administrator has been assigned the 192.168.2.64/26 network and assigns the following computer's IP addresses:

  192.168.2.70

  192.168.2.100

  192.168.2.125

  192.168.2.130

  When the administrator tries to ping the other computers from 192.168.2.130, an ECHO REPLY is not received. Which of the following must the network administrator do?

  A. Change the IP of 192.168.2.130 to 192.168.1.128.
  B. Change the IP of 192.168.2.130 to 192.168.2.126.
  C. Change the default gateway of 192.168.2.130 accordingly.
  D. Reconfigure the switch for the right VLAN.
  B. Change the IP of 192.168.2.130 to 192.168.2.126.

• Question 175:

  A company wants to have a security zone to isolate traffic within the firewall. Which of the following could be used?

  A. VPN
  B. ACL
  C. DMZ
  D. VLAN
  C. DMZ

• Question 176:

  Which of the following correctly lists the layers of the OSI model starting at Layer 1?

  A. Data Link, Physical, Network, Transport, Presentation, Session, Application.
  B. Physical, Data Link, Network, Transport, Presentation, Session, Application.
  C. Physical, Data Link, Transport, Network, Session, Presentation, Application.
  D. Physical, Data Link, Network, Transport, Session, Presentation, Application.
  D. Physical, Data Link, Network, Transport, Session, Presentation, Application.

• Question 177:

  In order to discover the currently unknown IP address of the next-hop router, a network administrator would begin by using which of the following tools?

  A. NMAP
  B. ping
  C. nslookup
  D. tracert
  D. tracert

• Question 178:

  Encryption provides which of the following to data being transferred across the network?

  A. Confidentiality
  B. Resistance to Jitter
  C. High Availability
  D. Data Integrity
  A. Confidentiality

• Question 179:

  A new technician has moved the wireless access point from the middle of the office to an area near a corner office. Wireless users are MOST likely to experience issues with which of the following?

  A. Signal strength
  B. SSID mismatch
  C. Channel mismatch
  D. Encryption mismatch
  A. Signal strength

• Question 180:

  A network administrator currently collects log files from several different servers. Which of the following would allow the network administrator to collect log files on a centralized host?

  A. The network administrator should install and configure a traffic analysis server.
  B. The network administrator should install and configure a DMZ server.
  C. The network administrator should install and configure a syslog server.
  D. The network administrator should install and configure a network sniffer.
  C. The network administrator should install and configure a syslog server.