CompTIA JK0-016 Online Practice Questions and Exam Preparation

CompTIA JK0-016 Online Questions & Answers

• Question 291:

  Which of the following operate at the Data Link layer of the OSI model? (Select TWO).

  A. MAC address
  B. Router
  C. Hub
  D. Switch
  E. IP address
  A. MAC address
  D. Switch

• Question 292:

  Compare the settings below to determine which of the following issues is preventing the user from connecting to a wireless network.

  

  Which of the following settings is incorrect on the client?

  A. The mode is incorrect
  B. SSID Mismatch
  C. Incorrect WEP Key
  D. Channel is set incorrectly
  B. SSID Mismatch

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  the first thing which will be checked is the SSID and it is case sensitive but in the above shown example, it is not same so it will stop user from connecting.

• Question 293:

  Which of the following network appliances will only detect and not prevent malicious network activity?

  A. IDS
  B. Network sniffer
  C. IPS
  D. Firewall
  A. IDS

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  An intrusion detection system (IDS) is a device or software application that monitors network or system activities for malicious activities or policy violations and produces reports to a management station. Some systems may attempt to stop an intrusion attempt but this is neither required nor expected of a monitoring system.

• Question 294:

  Which of the following can be configured on a managed network switch to send real time alerts to a technician?

  A. SSID
  B. SMTP
  C. SNMP
  D. Syslog
  C. SNMP

• Question 295:

  An administrator determines that an attack is taking place on the email server from a group of users on the same ISP. Which of the following is the BEST way to mitigate an attack on the network?

  A. Packet filtering
  B. Spam filtering
  C. MAC filtering
  D. CSU
  A. Packet filtering

• Question 296:

  Several mobile users from various areas are reporting intermittent connectivity issues. Which of the following is the MOST likely cause?

  A. Encryption strength
  B. SSID mismatch
  C. Interference
  D. Incompatible NIC
  C. Interference

• Question 297:

  A network technician recently replaced a managed switch in an enterprise network with a new managed switch. Users on the switch can communicate with each other but now cannot access other network segments. Which of the following is the MOST likely reason that the users are unable to access any network segments?

  A. The newly installed switch is defective and must be returned.
  B. The newly installed switch is using a different MAC address than the previous switch.
  C. The technician forgot to change the VTP mode on the new switch to server.
  D. The technician did not use the correct cable when trunking the new switch.
  D. The technician did not use the correct cable when trunking the new switch.

• Question 298:

  Which of the following connector types are used in terminating singlemode fiber cables? (Select TWO).

  A. LC
  B. F-connector
  C. DB-9
  D. BNC
  E. RJ-11
  F. SC
  A. LC
  F. SC

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  A variety of optical fiber connectors are available, but SC and LC connectors are the most common types of connectors on the market.[citation needed] Typical connectors are rated for 500?,000 mating cycles. The main differences among types of connectors are dimensions and methods of mechanical coupling. Generally, organizations will standardize on one kind of connector, depending on what equipment they commonly use. Different connectors are required for multimode, and for single-mode fibers

• Question 299:

  Which of the following protocols does DNS utilize on port 53?

  A. TCP
  B. FTP
  C. RTP
  D. ICMP
  A. TCP

• Question 300:

  Which of the following wireless standards has a MAXIMUM speed of only 1Mbps?

  A. IrDA
  B. 802.11b
  C. Bluetooth
  D. 802.11g
  C. Bluetooth