Juniper JN0-400 Online Practice Questions and Exam Preparation

Juniper JN0-400 Online Questions & Answers

• Question 61:

  Click the Exhibit button.

  An EX-series switch is configured as shown in the exhibit. A network outage has caused the RADIUS server and the TACACS+ server to become unreachable.

  If a user attempts to login to the switch during this outtage, which statement is correct?

  

  A. The user would be required to login with the root user account.
  B. The user would be required to access the switch through the console connection.
  C. The authentication fails because there is no valid authentication method.
  D. The authentication is performed using the local password database.
  D. The authentication is performed using the local password database.

• Question 62:

  Which two statements are correct about deploying a virtual chassis? (Choose two.)

  A. When building a virtual chassis, the dedicated virtual chassis port (VCP) and the 10-Gigabit Ethernet uplink virtual chassis extender port (VCEP) cannot be used at the same time.
  B. The maximum distance between two virtual chassis member switches cannot exceed 3 meters.
  C. The maximum distance between two virtual chassis member switches can exceed 3 meters.
  D. When building a virtual chassis, the dedicated virtual chassis port (VCP) and the 10-Gigabit Ethernet uplink virtual chassis extender port (VCEP) can be used at the same time.
  C. The maximum distance between two virtual chassis member switches can exceed 3 meters.
  D. When building a virtual chassis, the dedicated virtual chassis port (VCP) and the 10-Gigabit Ethernet uplink virtual chassis extender port (VCEP) can be used at the same time.

• Question 63:

  Which mechanism is used to maintain the bridge table and ensure the entries are current?

  A. purging
  B. flushing
  C. refreshing
  D. aging
  D. aging

• Question 64:

  Which three statement describe benefits of bridging? (Choose three.)

  A. Bridging allows mixed physical media types on a common LAN.
  B. Bridging uses Layer 2 bridge tables to intelligently forward traffic towards its destination.
  C. Bridging logically segments user groups based on administrative policy.
  D. Bridging allows for the creation of multiple broadcast domains.
  E. Bridging can reduce the number of collisions on a LAN.
  A. Bridging allows mixed physical media types on a common LAN.
  B. Bridging uses Layer 2 bridge tables to intelligently forward traffic towards its destination.
  E. Bridging can reduce the number of collisions on a LAN.

• Question 65:

  You are configuring a switch that has three access ports in VLAN 3. There is also a routed VLAN interface assigned for VLAN 3. You want to define a firewall filter that will prevent TCP communication between two hosts on the VLAN. Both hosts are also on the same subnet. Which two actions are required? (Choose two.)

  A. You apply the firewall filter under the [editvlans] hierarchy.
  B. You define the firewall filter under the [edit firewall familyethernet-switching] hierarchy.
  C. You define the firewall filter under the [edit firewall familyinet] hierarchy.
  D. You apply the firewall filter under the [edit interfacesvlan] hierarchy.
  A. You apply the firewall filter under the [editvlans] hierarchy.
  B. You define the firewall filter under the [edit firewall familyethernet-switching] hierarchy.

• Question 66:

  Which three are included in the factory-default configuration? (Choose three.)

  A. familyethernet-switching for all ports
  B. LLDP
  C. user authentication
  D. SNMP
  E. RSTP
  A. familyethernet-switching for all ports
  B. LLDP
  E. RSTP

• Question 67:

  Click the Exhibit button.

  In the exhibit, in which configuration hierarchy would the block-stuff filter be defined?

  

  A. [edit firewall familyvlan]
  B. [edit firewall familyethernet]
  C. [edit firewall familyethernet-switching]
  D. [edit firewall familyinet]
  C. [edit firewall familyethernet-switching]

• Question 68:

  Which two statements are correct about deploying a virtual chassis? (Choose two.)

  A. When building a virtual chassis, the dedicated virtual chassis port (VCP) and the 10-Gigabit Ethernet uplink virtual chassis extender port (VCEP) can be used at the same time.
  B. When building a virtual chassis, the dedicated virtual chassis port (VCP) and the 10-Gigabit Ethernet uplink virtual chassis extender port (VCEP) cannot be used at the same time.
  C. The maximum distance between two virtual chassis member switches can exceed 3 meters.
  D. The maximum distance between two virtual chassis member switches cannot exceed 3 meters.
  A. When building a virtual chassis, the dedicated virtual chassis port (VCP) and the 10-Gigabit Ethernet uplink virtual chassis extender port (VCEP) can be used at the same time.
  C. The maximum distance between two virtual chassis member switches can exceed 3 meters.

• Question 69:

  Click the Exhibit button.

  Which configuration stanza in the exhibit correctly enables 802.1Q trunking on the specified interface?

  

  A. exhibit stanza D
  B. exhibit stanza C
  C. exhibit stanza B
  D. exhibit stanza A
  C. exhibit stanza B

• Question 70:

  Which command shows the VRRP status for all interfaces?

  A. show interfacesvrrp
  B. showvrrp
  C. showvrrp terse
  D. show routevrrp
  B. showvrrp