CompTIA JK0-023 - CompTIA Network+ certification Exam

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Total 963 questions

Which of the following OSI model layers is used for logical addressing?

  • A. Physical
  • B. Transport
  • C. Network
  • D. Data link


Answer : C

Which of the following protocols uses port 3389?

  • A. IMAP
  • B. DHCP
  • C. SSH
  • D. RDP


Answer : D

Which of the following is a public class C IP address?

  • A. 4.2.2.2
  • B. 194.178.12.54
  • C. 175.35.46.60
  • D. 192.168.1.34


Answer : B

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

  • A. 1 collision domain, 1 broadcast domain
  • B. 1 collision domain, 24 broadcast domains
  • C. 24 collision domains, 1 broadcast domain
  • D. 24 collision domains, 24 broadcast domains


Answer : C

Lisa, an administrator, attempts to open a web page and sees the following error: Error
404: Page not found. She then uses the ping command and finds that the default gateway cannot be pinged. At which of the following layers does the problem MOST likely reside?

  • A. Layer 1
  • B. Layer 4
  • C. Layer 5
  • D. Layer 7


Answer : A

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Total 963 questions