JNCIA-Junos Exam Questions and Correct Answers 2026

JNCIA-Junos Exam Questions and Correct Answers 2026 What is an internal interface in Junos OS? - Correct Answer Used to connect the control and forwarding planes. The actual designation for this interface is platform-specific; examples include fxp1 and em0. What is a service interface in Junos OS? - Correct Answer These are used to provide one or more user-configurable services such as encryption, tunneling, and link services. Services interfaces can be provided through a physical services interface card or through software. Ref. chp 3-9 What does service interface es stand for? - Correct Answer Encryption interface What does service interface gr stand for? - Correct Answer Generic route encapsulation tunnel interface What does service interface ip stand for? - Correct Answer Ip-over-IP encapsulation tunnel interface What does service interface ls stand for? - Correct Answer Link services interface What does service interface ml stand for? - Correct Answer Multilink interface What does service interface mo stand for? - Correct Answer Passive monitoring interface What does the service interface mt stand for? - Correct Answer Multicast tunnel interface What does the service interface sp stand for? - Correct Answer Adaptive services interface What does the service interface vt stand for? - Correct Answer Virtual loopback tunnel interface How do you save a rescue configuration? What mode? - Correct Answer request system configuration rescue save; operational mode How do you delete a rescue configuration? What mode? - Correct Answer request system configuration rescue delete; operational mode How do you recover to a rescue configuration? What mode? - Correct Answer rollback rescue; configuration mode