Juniper JN0-106 Online Practice Questions and Exam Preparation

Juniper JN0-106 Online Questions & Answers

• Question 111:

  A small office switch connects several hosts in the same VLAN, and a router connects that VLAN to another subnet.

  Which statement describes the Layer 2 and Layer 3 boundary in this design?

  A. Each switch port is a separate broadcast domain, and the router combines all collision domains.
  B. The switch creates one collision domain per port, and the router separates broadcast domains.
  C. The router forwards Ethernet broadcasts between subnets, and the switch blocks unicast frames.
  D. The switch removes the need for Layer 3 addressing, and the router learns MAC addresses for all hosts.
  B. The switch creates one collision domain per port, and the router separates broadcast domains.

• Question 112:

  Which two statements describe rollback configuration behavior in Junos OS? (Choose two.)

  A. Rollback configurations are applied automatically after a commit confirmed timeout.
  B. Rollback 0 always refers to the factory default configuration.
  C. Rollback files are stored automatically after each commit.
  D. Up to 100 rollback configurations are maintained by default.
  A. Rollback configurations are applied automatically after a commit confirmed timeout.
  C. Rollback files are stored automatically after each commit.

• Question 113:

  What are two characteristics of transit traffic in Junos OS? (Choose two.)

  A. It includes routing protocol packets.
  B. It is traffic destined for the Routing Engine.
  C. It does not require control plane processing.
  D. It is forwarded by the Packet Forwarding Engine.
  C. It does not require control plane processing.
  D. It is forwarded by the Packet Forwarding Engine.

• Question 114:

  A network device displays an invalid date and time after startup.

  Which of the following actions can be used to correct the date and time? (Choose two.)

  A. Configure an NTP server.
  B. Configure a DNS server.
  C. Set the date and time setting manually.
  D. Reboot the device.
  A. Configure an NTP server.
  C. Set the date and time setting manually.

• Question 115:

  Which statement is correct when Router R1 receives a packet from User A destined for User B as shown in the exhibit?

  

  A. Router R1 replaces the destination IP address in the packet with the IP address of Router R2.
  B. Router R1 leaves the packet unchanged.
  C. Router R1 replaces the destination MAC address in the packet with the MAC address of Router R2.
  D. Router R1 replaces the destination MAC address in the packet with the MAC address of User B.
  C. Router R1 replaces the destination MAC address in the packet with the MAC address of Router R2.

• Question 116:

  Which statement describes the relationship between a routing table and a forwarding table on a Junos device?

  A. The routing table is stored only on directly connected hosts.
  B. The forwarding table stores inactive route candidates for policy evaluation.
  C. The forwarding table is derived from selected active routes.
  D. The routing table is used only for Layer 2 switching decisions.
  C. The forwarding table is derived from selected active routes.

• Question 117:

  Which statement is correct concerning exception traffic processing on a Junos device?

  A. Exception traffic is discarded by the Packet Forwarding Engine.
  B. Exception traffic is rate-limited to protect the Routing Engine.
  C. Exception traffic is always dropped during congestion.
  D. Exception traffic is never forwarded to the control plane.
  B. Exception traffic is rate-limited to protect the Routing Engine.

• Question 118:

  Which two reasons commonly justify using separate routing instances? (Choose two.)

  A. To merge all routes into a single global forwarding table automatically
  B. To keep routing tables separate for different network contexts
  C. To convert transit traffic into management traffic
  D. To support overlapping address space in isolated environments
  B. To keep routing tables separate for different network contexts
  D. To support overlapping address space in isolated environments

• Question 119:

  What is the primary system log file present in the default configuration of a Junos device?

  A. vrrp
  B. kmd
  C. messages
  D. jsrpd
  C. messages

• Question 120:

  You edit several statements in configuration mode but have not committed the changes.

  What is true about the active configuration?

  A. It is replaced immediately by the edited statements.
  B. It changes only after the candidate configuration is committed.
  C. It is erased when you exit configuration mode.
  D. It is automatically saved as the rescue configuration.
  B. It changes only after the candidate configuration is committed.