CompTIA JK0-016 Online Practice Questions and Exam Preparation

CompTIA JK0-016 Online Questions & Answers

• Question 311:

  Which of the following is a public class C IP address?

  A. 4.2.2.2
  B. 194.178.12.54
  C. 175.35.46.60
  D. 192.168.1.34
  B. 194.178.12.54

• Question 312:

  Which of the following can a technician use when a company implements redundant WAN links?

  A. Content filter
  B. Load balancer
  C. Proxy server
  D. VPN concentrator
  B. Load balancer

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  Exam D

• Question 313:

  A small office is looking to deploy wireless to cover one half of the work area only. The technician is restricted to suspending the WAP in the middle of the office due to network jack limitations. Which of the following antenna types would BEST meet these requirements?

  A. Dipole
  B. Parabolic
  C. Directional
  D. Omni-directional
  C. Directional

• Question 314:

  An organization finds that most of the outgoing traffic on the network is directed at several Internet sites viewed by multiple computers simultaneously. Which of the following performance optimization methods would BEST alleviate network traffic?

  A. Load balancing internal web servers
  B. Redundant network resources
  C. Implement fault tolerance on the WAN
  D. Implement caching engines
  D. Implement caching engines

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  A cache server is a dedicated network server or service acting as a server that saves Web pages or other Internet content locally. By placing previously requested information in temporary storage, or cache, a cache server both speeds up access to data and reduces demand on an enterprise's bandwidth.

• Question 315:

  Which IEEE protocol is used with VLAN technology?

  A. 802.11a
  B. 802.11b
  C. 802.1m
  D. 802.1q
  D. 802.1q

• Question 316:

  A company wants an administrator to perform a vulnerability test. The administrator finds the company has a POTS phone system. Which of the following can the administrator use to point out the phone system vulnerability?

  A. Honeypot
  B. Butt set
  C. Spyware
  D. Blue jacking
  B. Butt set

• Question 317:

  Which of the following is used to allow multiple sources on a single optical cable?

  A. HSPA+
  B. MIMO
  C. DWDM
  D. SONET
  C. DWDM

• Question 318:

  A technician has spent most of the day replacing a server running DHCP. Some of the users have begun to call the help desk stating that Internet connection stopped working even after rebooting. Upon investigation, the users' PCs with issues all have IP addresses that start with 169.254.x.x. The technician completes the replacement and powers on the new DHCP server. Which of the following is the BEST way to provide the PCs with issues a new IP address?

  A. Statically assign a legitimate IP address, and then set the PCs' NICs to DHCP
  B. Inform each user to replace 169.254 with 192.168
  C. Wait five minutes until the PC resends a DHCP request
  D. Run netstat on each PC and then reboot into safe mode
  C. Wait five minutes until the PC resends a DHCP request

• Question 319:

  Companies trying to cut down on constant documentation of IP addresses could use which of the following?

  A. Longer lease times
  B. More reservations
  C. Larger scopes
  D. Dynamic IP addressing
  D. Dynamic IP addressing

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  In Dynamic IP addressing all the hosts with private ip address will be patted to the same ip so the administrator will not have to keep track of each and every host with private ip mapped to a static public ip address.

• Question 320:

  A technician is troubleshooting a wireless network that was setup previously. The network is a hybrid of 802.11g and 802.11n WAPs. Users are not able to view or connect to the 802.11n WAPs. Which of the following is MOST likely the cause?

  A. The 802.11g WAPs are not setup for backwards compatibility.
  B. The 802.11n WAPs are using a 2.4 GHz frequency channel.
  C. The 802.11n WAPs are using a 5 GHz frequency channel.
  D. The 802.11g WAPs all have disabled SSID broadcast.
  C. The 802.11n WAPs are using a 5 GHz frequency channel.