CompTIA JK0-016 Online Practice Questions and Exam Preparation

CompTIA JK0-016 Online Questions & Answers

• Question 531:

  Several users are reporting that they are unable to connect to the network. After further investigation, the network administrator notices that a newly configured Layer 2 device lost its configuration. Which of the following MOST likely caused the issue?

  A. Wrong default gateway
  B. Wrong DNS
  C. Switching loop
  D. Power failure
  D. Power failure

• Question 532:

  Which of the following features will a firewall MOST likely use to detect and prevent malicious traffic on the network?

  A. Zone filtering
  B. Signature identification
  C. Port identification
  D. Port scanner
  B. Signature identification

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  Signature-based detection really is more along the lines of intrusion detection than firewalls. However, many personal firewalls and some corporate firewalls contain this functionality. Essentially, the system can be configured to look for specific patterns, known to be malicious, and block the traffic

• Question 533:

  Which of the following uses distance vector algorithms to determine the BEST network route to a destination address?

  A. IS-IS
  B. OSPF
  C. BGP
  D. RIP
  D. RIP

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  Here the term distance vector refers to the fact that the protocol manipulates vectors (arrays) of distances to other nodes in the network

• Question 534:

  A technician is reviewing the following company diagram to determine proper connectivity settings:

  

  Which of the following device configurations is out of specifications?

  A. LaptopC
  B. ServerE
  C. LaptopB
  D. ServerA
  E. PC1
  D. ServerA

  ---

  no legitimate Category 6e standard exists

• Question 535:

  Which of the following TCP ports are used by FTP? (Select TWO).

  A. 20
  B. 21
  C. 22
  D. 23
  E. 25
  F. 80
  A. 20
  B. 21

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  FTP uses two ports by default: 21 for sending commands, and 20 for sending data. For instance if you said "FTP " it would make the attempt using port 21. If the session was established, port 20 would be using for the data. NotE. These are the default ports which is what I assume you were asking. A server administrator can however configure FTP to use whatever port he defines.

• Question 536:

  A network technician needs to configure a port on a switch to provide connectivity and electrical support to a WAP being installed in a warehouse. Which of the following features needs to be configured on the switch?

  A. STP
  B. PoE
  C. VTP trunking
  D. Port forwarding
  B. PoE

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  Power over Ethernet or PoE describes any of several standardized or ad-hoc systems which pass electrical power along with data on Ethernet cabling. This allows a single cable to provide both data connection and electrical power to devices such as wireless access points or IP cameras.

• Question 537:

  Which of the following would be used to check whether a DoS attack is taking place from a specific remote subnet?

  A. Syslog files
  B. Honeypot
  C. Network sniffer
  D. tracert
  C. Network sniffer

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  A network sniffers monitors data flowing over computer network links. It can be a self-contained software program or a hardware device with the appropriate software or firmware programming.

• Question 538:

  A network consultant arrives at a customer's site to troubleshoot their email server. The server is running a Linux operating system, but the consultant is only familiar with Windows operating systems. Which of the following troubleshooting steps should the consultant take?

  A. Document findings
  B. Identify the problem
  C. Escalate the problem
  D. Establish a plan of action
  C. Escalate the problem

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  It is better to escalate the problem if you are not aware of the situation as it saves downtime and keeps customer happy.

• Question 539:

  Which of the following connector types would be found with a VoIP system utilizing CAT6 cabling?

  A. SC
  B. RJ-45
  C. RJ-11
  D. BNC
  B. RJ-45

  ---

  The heavier wire in some Cat 6 cables makes them too thick to attach to standard 8P8C (RJ-45) connectors without a special modular piece

• Question 540:

  Which of the following remote access protocols is commonly used for command line access to a device?

  A. RAS
  B. VPN
  C. RDP
  D. SSH
  D. SSH