Juniper JN0-100 Online Practice Questions and Exam Preparation

Juniper JN0-100 Online Questions & Answers

• Question 1:

  What is the maximum difference between a NTP server's clock and the system clock for synchronization to be successful?

  A. 60 seconds
  B. 120 seconds
  C. 600 seconds
  D. 1000 seconds
  D. 1000 seconds

• Question 2:

  Which statement is correct about logical units on Juniper Router interfaces?

  A. Logical units are used only when a Layer 2 identifier is present such as a VLAN.
  B. A logical unit of 0 is required when using a frame-relay DLCI.
  C. A logical unit is always required.
  D. Logical units are not required unless ATM or 802.1Q VLAN tagging is configured.
  C. A logical unit is always required.

• Question 3:

  What is a vaild action for a firewall filter?

  A. then drop
  B. then count
  C. then allow
  D. then communityadd
  B. then count

• Question 4:

  Which statement is true about the internal link between the Routing Engine and the Packet-Forwarding Engine?

  A. It is only used for exception traffic.
  B. It is an FE link called fxp2.
  C. It is rate-limited to avoid DDOS attacks.
  D. It is only used to send the forwarding-table from the Routing Engine to the Packet- Forwarding Engine.
  C. It is rate-limited to avoid DDOS attacks.

• Question 5:

  What is the purpose of classification, rewrites, and queuing in Juniper routers?

  A. to provide policy based routing
  B. to provide class of service capabilities
  C. to provide firewall filtering capabilities
  D. to provide unified threat managment
  B. to provide class of service capabilities

• Question 6:

  Which two statements regarding JUNOS architecture are correct? (Choose two.)

  A. The Routing Engine handles all exception traffic.
  B. The Routing Engine synchronizes the route table with the PFE.
  C. The Routing Engine is hot-pluggable.
  D. The Routing Engine controls the PFE.
  C. The Routing Engine is hot-pluggable.
  D. The Routing Engine controls the PFE.

• Question 7:

  What is the role of route preference?

  A. It is used to determine which route should become active.
  B. It is used to select which routing table to use for forwarding.
  C. It is used to determine what routes to accept into the routing table.
  D. It is used to select the best route between multiple equal cost paths.
  A. It is used to determine which route should become active.

• Question 8:

  If the PFE does not have a route to the destination address of a packet, which action will be taken?

  A. The PFE floods the packet out of all interfaces.
  B. The PFE drops the packet and sends a destination unreachable notification back to source device.
  C. The PFE forwards the packet to the routing engine for further processing.
  D. The PFE queues the packet and sends a request for a layer 3 lookup to the routing engine.
  B. The PFE drops the packet and sends a destination unreachable notification back to source device.

• Question 9:

  What is the default local location for syslog and trace files?

  A. /log
  B. /home/log
  C. /var/log
  D. /etc/log
  C. /var/log

• Question 10:

  Which protocol family is required prior to assigning an IP address to an interface?

  A. family ip
  B. family ip6
  C. family inet
  D. family inet4
  C. family inet