Juniper JN0-100 Online Practice Questions and Exam Preparation

Juniper JN0-100 Online Questions & Answers

• Question 61:

  When you display the routing table by entering the show route command, what does the * indicate?

  A. The route is a direct route.
  B. The route was selected as active.
  C. The route is a default route.
  D. The route was learned using a dynamic routing protocol.
  B. The route was selected as active.

• Question 62:

  Which two statements are true about the rescue configuration file? (Choose two.)

  A. It gets updated automatically when you commit.
  B. You need to create it by issuing request system configuration rescue save.
  C. It is rollback file number 50 and you can recover it by issuing rollback 50.
  D. You can load it by entering rollback rescue.
  B. You need to create it by issuing request system configuration rescue save.

• Question 63:

  If a SONET/SDH interface transmit link fails between two JUNOS devices, which two alarms or defects would be seen on those devices? (Choose two.)

  A. LOS
  B. REI
  C. BIP-B3
  D. RDI
  A. LOS
  D. RDI

• Question 64:

  Which two media types support asynchronous transfer mode? (Choose two.)

  A. T3
  B. SONET
  C. Gigabit-Ethernet
  D. EIA/TIA-232 serial
  A. T3
  B. SONET

• Question 65:

  For which two functions is the Routing Engine responsible? (Choose two.)

  A. packet forwarding
  B. queuing functions
  C. routing protocol control
  D. JUNOS software operation
  C. routing protocol control
  D. JUNOS software operation

• Question 66:

  Which two fields are found in an Ethernet frame? (Choose two.)

  A. Version
  B. TTL
  C. Checksum
  D. Flags
  E. Data
  C. Checksum
  E. Data

• Question 67:

  You delete a trace options file and later notice that no new entries are being written to this file. What would allow the entries to be written to the file again?

  A. Issue a commit of the current configuration.
  B. Issue a commit full of the current configuration.
  C. Issue a commitall of the current configuration.
  D. Issue a commit confirmed of the current configuration.
  B. Issue a commit full of the current configuration.

• Question 68:

  Which CLI command is used to upgrade a Juniper router?

  A. load package
  B. load override terminal
  C. request system software add
  D. request system software upgrade
  C. request system software add

• Question 69:

  What information does the help topic command provide?

  A. router's version and serial number to help open a case with JTAC
  B. software documentation describing features and configuration tasks within JUNOS
  C. a brief description of commands and their default values
  D. a verification of the current configuration on the router
  B. software documentation describing features and configuration tasks within JUNOS

• Question 70:

  Which two are valid configurations of an interface? (Choose two.) A. [edit interfaces] lo0 { unit 0 { family inet { address 192.168.20.1/32; } } }

  A. [edit interfaces] lo0 { unit 0 { family inet { address 192.168.20.1/24; } } }
  B. [edit interfaces] fe-0/0/0 { unit 0 { family inet { address 10.1.20.1/32; } } }
  C. [edit interfaces]
  A. [edit interfaces] lo0 { unit 0 { family inet { address 192.168.20.1/24; } } }