CompTIA JK0-023 Online Practice Questions and Exam Preparation

CompTIA JK0-023 Online Questions & Answers

• Question 701:

  A network administrator is looking to implement a soluton allowing users to utliie a common password to access most network resources for an organiiaton. Which of the following would BEST provide this functonality?

  A. RADIUS
  B. Single sign on
  C. Multfactor authentcaton
  D. Two-factor authentcaton
  B. Single sign on

• Question 702:

  Which two layers of the OSI model make up the TCP/IP model Network Interface layer?

  A. Applicaton and Transport
  B. Transport and Session
  C. Physical and Data Link
  D. Session and Presentaton
  C. Physical and Data Link

• Question 703:

  Which of the following commands can a network technician use to check whether the DNS server for a given domain is reachable?

  A. nmap
  B. nbtstat
  C. dig
  D. arp
  C. dig

• Question 704:

  Users have contacted the helpdesk statng that they have been having difcultes staying connected to the wireless network. They report that their laptops connect to one access pointf drop the connecton and then connect to a diferent access point in a never-ending cycle. Which of the following would BEST remediate this?

  A. Reconfgure the access points from 802.11b to 802.11g.
  B. Establish procedures which limit user connectons during peak hours.
  C. Confgure the access points so that they all use diferent SSIDs.
  D. Move one or more access pointsf minimiiing signal overlap.
  D. Move one or more access pointsf minimiiing signal overlap.

• Question 705:

  Which of the following virtual components maintains a MAC-to-port forwarding table?

  A. Virtual PBX
  B. Virtual desktop
  C. Virtual switch
  D. Virtual server
  C. Virtual switch

• Question 706:

  The network support team is constantly getng calls from users in a specifc area of an ofce building. The users are able to connect to the ofce wireless networkf but they sometmes disconnect or experience very slow download speeds. Which of the following is MOST likely the problem?

  A. Incorrect service set identfer
  B. Low signal strength or interference
  C. Incorrect encrypton scheme
  D. Incorrect IP address or subnet mask
  B. Low signal strength or interference

• Question 707:

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

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

• Question 708:

  The cost of installing fber cable in a factory environment is too high. Which of the following cables should be used to minimiie the efect of EMI?

  A. CAT6
  B. UTP
  C. Coaxial
  D. Crossover
  C. Coaxial

• Question 709:

  A technician enters a username and password once and can access multple databases without being prompted to reenter their password. This is an example of which of the following?

  A. Two-factor authentcaton
  B. Network access control
  C. Multfactor authentcaton
  D. Single sign-on
  D. Single sign-on

• Question 710:

  A company needs to implement a secure wireless system that would require employees to authentcate to the wireless network with their domain username and password. Which of the following would a network administrator deploy to implement these requirements? (Select TWO).

  A. 802.1q
  B. MAC address fltering
  C. WPA2 Personal
  D. WPA Enterprise
  E. 802.1x
  D. WPA Enterprise
  E. 802.1x