CompTIA JK0-023 Online Practice Questions and Exam Preparation

CompTIA JK0-023 Online Questions & Answers

• Question 741:

  Which of the following DNS records must be queried to resolve the IPv6 address of a website?

  A. CNAME
  B. PTR
  C. AAAA
  D. A
  C. AAAA

• Question 742:

  Users are reportng a large decrease in network performance. Afer further investgatonf the network administrator notces large amounts of trafc coming from a specifc IP address. The network administrator needs to identfy the payload of the network trafc. Which of the following could be used to collect that informaton?

  A. ipconfg
  B. ping
  C. snifer
  D. route
  C. snifer

• Question 743:

  Afer a recent generator testf several users are reportng network connectvity issues. Joef the network technicianf is unable to connect via SSH to the main switch. Which of the following is the MOST likely cause of the connectvity issue?

  A. Faulty cable
  B. Misconfgured speed and duplex
  C. Wrong gateway
  D. Power loss
  D. Power loss

• Question 744:

  Which of the following defnes a rack located in an ofce building between the main rack and other ofce equipment?

  A. DSU
  B. MDF
  C. CSU
  D. IDF
  D. IDF

• Question 745:

  The process of restrictng internal web trafc to an employee-only website based upon Layer 3 addresses is known as which of the following?

  A. MAC fltering
  B. Trafc shaping
  C. Session fltering
  D. IP fltering
  D. IP fltering

• Question 746:

  Which of the following exterior routng protocols uses an algorithm to determine the quickest route to a destnaton?

  A. RIP
  B. OSPF
  C. BGP
  D. RIPv2
  C. BGP

• Question 747:

  A technician is troubleshootng a problem where data packets are being corrupted. Which of the following connectvity problems should the technician check?

  A. Atenuaton
  B. Latency
  C. Crosstalk
  D. External interference
  C. Crosstalk

• Question 748:

  Which of the following tools could atempt to detect operatng system vulnerabilites?

  A. nslookup
  B. honeynet
  C. netstat
  D. nessus
  D. nessus

• Question 749:

  Jeff a network administratorf has been requested to install wireless access throughout the entre buildingf while utliiing a single SSID. Which of the following optons will meet this requirement?

  A. Set a separate VLAN on each WAP with the same encrypton type.
  B. Set the SSID on each WAP and set contguous WAPs to diferent channels.
  C. Set the SSID on each WAP and set contguous WAPs to the same channel.
  D. Set a separate VLAN on each WAP with the same frequency.
  B. Set the SSID on each WAP and set contguous WAPs to diferent channels.

• Question 750:

  Assigning IP addresses from a pool of predetermined available addresses is the role of which of the following network appliances?

  A. RADIUS
  B. DNS
  C. DHCP
  D. IDS
  C. DHCP