CompTIA JK0-016 Online Practice Questions and Exam Preparation

CompTIA JK0-016 Online Questions & Answers

• Question 131:

  Honeypots and honeynets are different in which of the following ways?

  A. Honeynets are managed collections of honeypots.
  B. Honeypots only test software security, not hardware.
  C. Honeynets require specialized hardware to implement.
  D. Honeypots are usually servers and honeynets are routers and switches.
  A. Honeynets are managed collections of honeypots.

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  A honeynet is a network set up with intentional vulnerabilities; its purpose is to invite attack, so that an attacker's activities and methods can be studied and that information used to increase network security. A honeynet contains one or more honey pots, which are computer systems on the Internet expressly set up to attract and "trap" people who attempt to penetrate other people's computer systems.

• Question 132:

  The network technician has recently implemented VLANs on the company network. Ever since this implementation, sections within the company can no longer share information. While troubleshooting, the technician realizes they are unable to ping a device from another VLAN. Which of the following needs to be configured to fix this problem?

  A. Clear the ARP table
  B. Add host entries on the user's computer
  C. Configure 802.1x trunks on the switches
  D. Configure 802.1q trunks on the switches
  D. Configure 802.1q trunks on the switches

• Question 133:

  A technician is tasked with adding an ACL to the host-based firewall of a PC. The ACL should allow the Development Server to only connect to the PC's HTTP server on the default port. Given the IP addresses below, which of the following ACLs would accomplish this goal?

  Development Server: 192.168.1.100 PC. 192.168.3.3

  A. Source. 192.168.1.100; Source Port: Any; Destination: 192.168.3.3; Destination Port:80; Action: Permit
  B. Source. 192.168.1.100; Source Port:80; Destination: 192.168.3.3; Destination Port:80; Action: Permit
  C. Source. 192.168.3.3; Source Port:80; Destination: 192.168.1.100; Destination Port: Any; Action: Permit
  D. Source. 192.168.3.3; Source Port:80; Destination: 192.168.1.100; Destination Port:80; Action: Permit
  E. Source. 192.168.1.100; Source Port: Any; Destination: 192.168.3.3; Destination Port: Any; Action: Permit
  A. Source. 192.168.1.100; Source Port: Any; Destination: 192.168.3.3; Destination Port:80; Action: Permit

• Question 134:

  The network technician is working in an office that has both VoIP telephone lines and analog lines. A user states that the fax machine is not sending or receiving faxes. The network technician determines that the fax machine uses an analog phone line. Which of the following tools would the technician use to troubleshoot the issue?

  A. Cable tester
  B. Buttset
  C. Toner probe
  D. Cable certifier
  B. Buttset

• Question 135:

  An administrator would like to block all HTTP traffic and allow all HTTPS traffic on the firewall. Using the default port numbers, which of the following should the administrator configure? (Select TWO).

  A. Allow port 443
  B. Deny port 53
  C. Deny port 20
  D. Deny port 80
  E. Allow port 23
  A. Allow port 443
  D. Deny port 80

• Question 136:

  Which of the following fiber types is MOST often used indoors?

  A. Plenum
  B. Modal conditioning
  C. Multimode
  D. Singlemode
  C. Multimode

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  Multi-mode optical fiber is a type of optical fiber mostly used for communication over short distances, such as within a building or on a campus. Typical multimode links have data rates of 10 Mbit/s to 10 Gbit/s over link lengths of up to 600 meters (2000 feet) and 10 Gbit/s for 300m (1000 feet) -- more than sufficient for the majority of premises applications.

• Question 137:

  Which of the following OSI model layers is used to frame packets that are sent over a medium?

  A. Session
  B. Data link
  C. Physical
  D. Transport
  B. Data link

• Question 138:

  A technician is setting up a wireless access point and wants to keep it as secure as possible. Which of the following settings should be configured for security purposes? (Select TWO).

  A. Channel
  B. Encryption
  C. Diversity
  D. SSID broadcast
  E. Frequency
  B. Encryption
  D. SSID broadcast

• Question 139:

  Which of the following would be used to place extranet servers in a separate subnet for security purposes?

  A. VPN
  B. NAT
  C. DMZ
  D. IDS
  C. DMZ

• Question 140:

  Which of the following is a common threat that collects Initialization Vectors to help speed up the algorithm for the attack?

  A. WEP cracking
  B. WPA cracking
  C. War driving
  D. Rogue access point
  A. WEP cracking