Juniper JN0-400 Online Practice Questions and Exam Preparation

Juniper JN0-400 Online Questions & Answers

• Question 111:

  What are two benefits of bridging? (Choose two.)

  A. Bridging allows for the creation of multiple broadcast domains.
  B. Bridging logically segments user groups based on administrative policy.
  C. Bridging can reduce the number of collisions on a LAN.
  D. Bridging allows mixed physical media types on a common LAN.
  C. Bridging can reduce the number of collisions on a LAN.
  D. Bridging allows mixed physical media types on a common LAN.

• Question 112:

  Which built-in security mechanism in the Link Layer Discovery Protocol (LLDP) can be used to encrypt advertisements?

  A. A plain-text password can be used.
  B. MD5 hashing of the password can be used.
  C. SHA-1 hashing of the password can be used.
  D. There is no encryption in LLDP.
  D. There is no encryption in LLDP.

• Question 113:

  Which operational mode command do you use to view the rescue configuration?

  A. file show /config/rescue.conf.gz
  B. file list /config/rescue.conf
  C. file show /config/rescue.conf
  D. file list /config/rescue.conf.gz
  A. file show /config/rescue.conf.gz

• Question 114:

  Click the Exhibit button.

  In the exhibit, what does the asterisk (*) indicate?

  

  A. The interface isconfigure for PoE.
  B. The interface receives untagged frames.
  C. The interface is up and active.
  D. The interface contains Layer 3 configuration.
  C. The interface is up and active.

• Question 115:

  On an EX-series switch, what information is gathered when building a bridge table? (Choose two.)

  A. MAC address
  B. IP address
  C. authentication information
  D. interface
  A. MAC address
  D. interface

• Question 116:

  Which two represent physical interface properties? (Choose two.)

  A. encapsulation
  B. protocol family
  C. MTU
  D. duplex mode
  C. MTU
  D. duplex mode

• Question 117:

  Which statement is correct about the single-secure mode of 802.1X?

  A. It allows any one supplicant on the interface to be authenticated; once authentication is successful, only the successfully authenticated supplicant is allowed access at one time.
  B. It allows any number of supplicants on the interface to be authenticated; only supplicants with their own successful authentication are allowed access at the same time.
  C. It allows any one supplicant on the interface to be authenticated; once authentication is successful, any other devices on the same interface will gain access.
  D. It does not require any supplicant on the interface; no supplicant is able to gain access.
  A. It allows any one supplicant on the interface to be authenticated; once authentication is successful, only the successfully authenticated supplicant is allowed access at one time.

• Question 118:

  Which two statements are correct regarding the DHCP snooping feature on EX-series switches? (Choose two.)

  A. DHCP snooping drops DHCPDISCOVER messages from DHCP clients on trusted interfaces.
  B. DHCP snooping forwards DHCPACK messages from DHCP servers onuntrusted interfaces.
  C. DHCP snooping treats access ports asuntrusted interfaces and trunk ports as trusted interfaces by default.
  D. DHCP snooping drops DHCPOFFER messages from DHCP servers onuntrusted interfaces.
  C. DHCP snooping treats access ports asuntrusted interfaces and trunk ports as trusted interfaces by default.
  D. DHCP snooping drops DHCPOFFER messages from DHCP servers onuntrusted interfaces.

• Question 119:

  When using a virtual chassis, which type of switch does NOT run chassis management or control functions?

  A. backup switch
  B. line card
  C. master switch
  D. virtual switch
  B. line card

• Question 120:

  Click the Exhibit button.

  Which route would match the policy in the exhibit?

  

  A. routes learned using ge-0/0/0
  B. OSPF routes learned using ge-0/0/0
  C. any route defined locally
  D. any OSPF route
  B. OSPF routes learned using ge-0/0/0