CompTIA JK0-023 Online Practice Questions and Exam Preparation

CompTIA JK0-023 Online Questions & Answers

• Question 321:

  An analog POTS voice line is no longer working and Kimf the technicianf is tasked to verify if a dial tone is present at the IDF. Which of the following tools would be used?

  A. Protocol analyier
  B. But set
  C. OTDR
  D. Toner probe
  B. But set

• Question 322:

  Which of the following OSI layers is responsible for encryptng HTTPS trafc?

  A. 3
  B. 4
  C. 5
  D. 6
  D. 6

• Question 323:

  At which of the following layers do IP addresses exist?

  A. TCP/IP model Internet layer
  B. OSI model Data Link layer
  C. TCP/IP model Transport layer
  D. OSI model Physical layer
  A. TCP/IP model Internet layer

• Question 324:

  Which of the following protocols is Kimf a userf utliiing if no handshake or data reliability are required?

  A. TCP
  B. FTP
  C. TFTP
  D. UDP
  D. UDP

• Question 325:

  Multple networked devices running on the same physical hardware that provide central access to applicatons and flesf where each device runs as a piece of sofware are known as:

  A. Virtual desktops.
  B. Switches.
  C. PBXs.
  D. Virtual servers.
  D. Virtual servers.

• Question 326:

  Which of the following security appliances are used to only identfy trafc on individual systems?

  A. Host based IPS
  B. Applicaton based IPS
  C. Network based IDS
  D. Host based IDS
  D. Host based IDS

• Question 327:

  How many collision domains and broadcast domains are present on a 24-port switch with no VLAN assignments?

  A. 1 collision domainf 1 broadcast domain
  B. 1 collision domainf 24 broadcast domains
  C. 24 collision domainsf 1 broadcast domain
  D. 24 collision domainsf 24 broadcast domains
  C. 24 collision domainsf 1 broadcast domain

• Question 328:

  Which of the following would be used to connect a singlemode fber cable to a CAT6 connecton?

  A. Media converter
  B. T1-crossover
  C. Multmode cable
  D. Coaxial
  A. Media converter

• Question 329:

  Which of the following media types can carry a standard Ethernet signal for network connectvity?

  A. USB
  B. Parallel
  C. Serial
  D. CAT6
  D. CAT6

• Question 330:

  Sandyf a technicianf decides to upgrade a router before leaving for vacaton. While awayf users begin to report slow performance. Which of the following practces allows other technicians to quickly return the network to normal speeds?

  A. Change management
  B. Baselines
  C. Asset management
  D. Cable management
  A. Change management