CompTIA JK0-023 Online Practice Questions and Exam Preparation

CompTIA JK0-023 Online Questions & Answers

• Question 1041:

  A small company has a single mult-layer switch. The company currently has all network devices on the same subnet but would like to switch the servers to another subnet for security reasons. The company cannot budget any more money to purchase additonal hardware. Which of the following features should be used to achieve the new company requirements?

  A. PAT
  B. PoE
  C. VLAN
  D. QoS
  C. VLAN

• Question 1042:

  For which of the following reasons could a single serverns NIC transmit packets from multple MAC address sources?

  A. The server contains several virtual machines and the MAC addresses are from the virtual machines.
  B. The server is hostng a web server and the MAC addresses are from connected browsers.
  C. The server is hostng a proxy server and the MAC addresses are from the connected clients.
  D. The server NIC is startng to fail and should be replaced.
  A. The server contains several virtual machines and the MAC addresses are from the virtual machines.

• Question 1043:

  Which of the following protocols is commonly used for VoIP technology?

  A. Telnet
  B. SMTP
  C. SIP
  D. SNMP
  C. SIP

• Question 1044:

  A network technician is installing a simple SOHO router with wireless functonality. Which of the following wireless encrypton standards would be BEST suited for the HIGHEST level of security?

  A. WPA2
  B. WPA
  C. WEP64
  D. WEP128
  A. WPA2

• Question 1045:

  A Windows server has a problem afer bootng up. Kimf a technicianf should immediately check the:

  A. history logs.
  B. cron logs.
  C. applicaton logs.
  D. system logs.
  D. system logs.

• Question 1046:

  The Network Interface Layer of the TCP/IP model corresponds to which of the following layers of the OSI model? (Select TWO).

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

• Question 1047:

  A company only wants preapproved laptops to be able to connect to a wireless access point. Which of the following should be confgured?

  A. SSID disable
  B. ACL rules
  C. WPA encrypton
  D. MAC fltering
  D. MAC fltering

• Question 1048:

  A network consultant arrives at a customerns site to troubleshoot their email server. The server is running a Linux operatng systemf but the consultant is only familiar with Windows operatng systems. Which of the following troubleshootng steps should the consultant take?

  A. Document fndings
  B. Identfy the problem
  C. Escalate the problem
  D. Establish a plan of acton
  C. Escalate the problem

• Question 1049:

  Which of the following performs authentcaton and provides a secure connecton by using 3DES to encrypt all informaton between two systems?

  A. HTTPS
  B. SSH
  C. RSA
  D. SSL
  B. SSH

• Question 1050:

  A network administrator is tasked with blocking unwanted spam is being relayed by an internal email server. Which of the following is the FIRST step in preventng spam that is originatng from bots on the network?

  A. Closing of port 25 on the frewall
  B. Closing of port 53 on the frewall
  C. Turning of the SMTP service on the email server
  D. Turning of the IMAP service on the email server
  A. Closing of port 25 on the frewall