CompTIA JK0-023 Online Practice Questions and Exam Preparation

CompTIA JK0-023 Online Questions & Answers

• Question 401:

  Jeff a network technicianf arrives to work and discovers users are having a problem connectng the company server. The server operator was working on upgrades the night before. Which of the following documents should Jef use to atempt to discover the problem?

  A. Network maps
  B. Change management
  C. Baselines
  D. Cable management
  B. Change management

• Question 402:

  Afer deploying a network switchf the network administrator is unable to remotely administer the device. The network administrator notces that the switch has the following confguraton. Which of the following is the MOST likely cause of this issue? Management LAN: 192.168.10.0/24 Management interface: 192.168.10.2 255.255.255.0 Default gateway: 192.168.11.1 STP is enabled

  A. VLAN assignment
  B. Wrong subnet mask
  C. Switching loop
  D. Wrong gateway
  D. Wrong gateway

• Question 403:

  An administrator would like to search for network vulnerabilites on serversf routersf and embedded appliances. Which of the following tools would MOST likely accomplish this?

  A. Baseline analyier
  B. Ping
  C. Protocol analyier
  D. Nessus
  D. Nessus

• Question 404:

  Lisaf a technicianf is asked to not allow FTP trafc on a network. Which of the following ports should be blocked on the frewall to achieve this?

  A. 21
  B. 22
  C. 23
  D. 25
  A. 21

• Question 405:

  A network administrator notces that all of the company switches are running at capacity on a given dayf which is abnormal according to network baselines taken recently. Which tool would BEST allow the administrator to inspect what type of trafc is on the network?

  A. Wire tap
  B. Network snifer
  C. Load balancing appliance
  D. NIPS
  B. Network snifer

• Question 406:

  Which of the following monitoring devices are used only to recogniie suspicious trafc from specifc sofware?

  A. Signature based IPS
  B. Applicaton based IDS
  C. Anomaly based IDS
  D. Applicaton based IPS
  B. Applicaton based IDS

• Question 407:

  A user wants to send informaton and ensure that it was not modifed during transmission. Which of the following should be implemented?

  A. MAC fltering
  B. Digital signatures
  C. MS-CHAP
  D. CHAP
  B. Digital signatures

• Question 408:

  Which of the following ports does IMAP use by default?

  A. 110
  B. 123
  C. 143
  D. 443
  C. 143

• Question 409:

  A company wants to secure its WAPs from unauthoriied access. Which of the following is the MOST secure wireless encrypton method?

  A. SSID disable
  B. SNMPv3
  C. WEP
  D. WPA2
  D. WPA2

• Question 410:

  Users report that their Internet connecton is slow. Zachf the network technicianf has a suspicion that users are streaming video and music. Which of the following would BEST confrm Zachns theory?

  A. Trafc analysis
  B. SNMP
  C. History logs
  D. System logs
  A. Trafc analysis