Juniper JN0-400 Online Practice Questions and Exam Preparation

Juniper JN0-400 Online Questions & Answers

• Question 81:

  Which statement is true for configuring a link aggregation group?

  A. No more than 10 member links can belong to a link aggregation group.
  B. Link duplex mode and speed must match within a link aggregation group.
  C. Layer 2 and Layer 3 interfaces can be mixed when creating a link aggregation group.
  D. Member links cannot span multiple member switches within a virtual chassis.
  B. Link duplex mode and speed must match within a link aggregation group.

• Question 82:

  Which packet contains VLAN assignment information for a user during the 802.1X authentication process?

  A. RADIUS access-accept
  B. EAP-success
  C. EAP-response
  D. RADIUS access-challenge
  A. RADIUS access-accept

• Question 83:

  What is the recommended method for installing a virtual chassis for the first time?

  A. Cable all switches up forming a "closed loop" and then power up all switches at the same time.
  B. Always power up the desired master switch first and assign it with the highest mastership priority.
  C. Switch that is powered up last always becomes the master switch.
  D. Power up all switches simultaneously; then interconnect them to form the virtual chassis.
  B. Always power up the desired master switch first and assign it with the highest mastership priority.

• Question 84:

  Click the Exhibit button.

  In the exhibit, to which hierarchy level will the user be directed based upon the last command issued?

  

  A. [edit protocolsospf area] root#
  B. [edit] root#
  C. [edit protocols] root#
  D. [edit protocolsospf] root#
  D. [edit protocolsospf] root#

• Question 85:

  Which two major components make up the control and forwarding planes for an EX-series switch? (Choose two.)

  A. Switching Engine
  B. Switching Fabric Module
  C. Packet Forwarding Engine
  D. Routing Engine
  C. Packet Forwarding Engine
  D. Routing Engine

• Question 86:

  What are three valid port roles used in RSTP?

  A. access port
  B. trunk port
  C. backup port
  D. alternate port
  E. designated port
  C. backup port
  D. alternate port
  E. designated port

• Question 87:

  Which packet contains VLAN assignment information for a user during the 802.1X authentication process?

  A. EAP-response
  B. EAP-success
  C. RADIUS access-challenge
  D. RADIUS access-accept
  D. RADIUS access-accept

• Question 88:

  What are two software considerations when configuring a link aggregation group? (Choose two.)

  A. Load balancing over a link aggregation group must be specifically enabled through configuration.
  B. CPU control packets are sent over the lowest member link within the bundle.
  C. If Link Aggregation Control Protocol isused, both devices must be configured for active mode.
  D. Load balancing is enabled by default and does not require any special configuration.
  B. CPU control packets are sent over the lowest member link within the bundle.
  D. Load balancing is enabled by default and does not require any special configuration.

• Question 89:

  What describes the way the JUNOS software evaluates a route against a policy?

  A. The JUNOS software evaluates all terms in a policy sequentially. When it finds that the route matches all criteria specified in the match clause of a term, it applies the actions specified in the then clause and stops processing further terms.
  B. The JUNOS software evaluates all terms in a policy sequentially. When it finds that the route matches all criteria specified in the from clause of a term, it applies the actions specified in the then clause and continues processing further terms if the accept action was specified.
  C. The JUNOS software evaluates all terms in a policy sequentially. When it finds that the route matches any criteria specified in the from clause of a term, it applies the actions specified in the then clause and stops processing further terms.
  D. The JUNOS software evaluates all terms in a policy sequentially. When it finds that the route matches all criteria specified in the from clause of a term, it applies the actions specified in the then clause and stops processing further terms.
  D. The JUNOS software evaluates all terms in a policy sequentially. When it finds that the route matches all criteria specified in the from clause of a term, it applies the actions specified in the then clause and stops processing further terms.

• Question 90:

  What is the default bridge-priority value for STP?

  A. 16384
  B. 8192
  C. 4096
  D. 32768
  D. 32768