Which two WAN connectivity options are circuit-switched technologies? (Choose two.)

IT Exam Items RepositoryCategory: CCNA 3 v7Which two WAN connectivity options are circuit-switched technologies? (Choose two.)

Which two WAN connectivity options are circuit-switched technologies? (Choose two.)

  • ATM
  • Ethernet WAN
  • Frame Relay
  • ISDN
  • PSTN

Explanation: PSTN and ISDN are two WAN circuit-switched connectivity options.

Related exam: 7.2.9 Check Your Understanding - WAN Operations