Juniper Juniper Certifications JN0-104 Questions & Answers

• Question 21:

  You enable unicast reverse path forwarding on the ge-0/0/1.0 interface A packet is received on the ge- 0/0/1.0 interface with a source address of 10.10.10.10. A route lookup determines that the next hop for the 10.10.10.10 address is the ge0/0/1.0 interface. In this scenario which action is performed?

  A. The packet is logged

  B. The packet is forwarded

  C. The packet is rejected

  D. The packet is discarded

  Correct Answer: B

  https://www.juniper.net/documentation/us/en/software/junos/security-services/topics/topic-map/interfaces- configuring-unicast-rpf.html

• Question 22:

  You loaded the factory-default configuration on your Junos device.

  Which single element must be configured before a commit command will succeed?

  A. An IPv4 address must be configured on the fxpO or emO interface.

  B. An IPv4 default route must be configured.

  C. A hostname must be configured.

  D. A root password must be configured.

  Correct Answer: D

  Ref: Root Password | Junos OS | Juniper Networks

  "Root Password

  ...

  When the device is powered on for the first time, it is ready to be configured. Initially, you log in as the user root with no password. You must configure a plain-text password for the root-level user (whose username is root) the first time you

  modify and commit the configuration.

  ..."

• Question 23:

  Which two protocols use UDP to facilitate speed? (Choose two.)

  A. OFTP

  B. TFTP

  C. SCP

  D. SNMP

  Correct Answer: BD

• Question 24:

  Click the Exhibit button.

  

  Referring to the exhibit, which two statements are correct? (Choose two.)

  A. The last 5 second CPU utilization is 99%.

  B. The last 5 second CPU utilization is 1%.

  C. The control plane memory used is 63%.

  D. The data plane memory used is 63%.

  Correct Answer: BC

• Question 25:

  Which protocol connects multiple autonomous systems?

  A. OSPF

  B. IS-IS

  C. IBGP

  D. EBGP

  Correct Answer: A

• Question 26:

  What are two functions of the transport layer? (Choose two.)

  A. data integrity

  B. segmentation

  C. flow control

  D. packet forwarding

  Correct Answer: BC

  TCP is transport layer, responsible for data integrity

• Question 27:

  Click the Exhibit button

  

  Referring to the exhibit, you are unable to see any traffic coming on interface ge-0/0/0. What is causing this problem?

  A. The ge-0/0/0 interface is administratively down.

  B. The ge-0/0/0 interface has flow control disabled.

  C. The ge-0/0/0 interface's physical link is down.

  D. The ge-0/0/0 interface has the link-mode set to half-duplex.

  Correct Answer: C

• Question 28:

  Referring to the exhibit.

  

  what happens when you issue the exit command at the [edit protocols ospf area 0.0.0.51 stub] hierarchy level?

  A. You move one level up to the [edit protocols ospf area 0.0.0.51] hierarchy level.

  B. You exit the configuration mode.

  C. You move to the [edit] hierarchy level.

  D. You move to the most recent higher level of the [edit protocols ospf] hierarchy.

  Correct Answer: D

• Question 29:

  A router contains both a static route and an OSPF route for the 172.18.100.0/24 prefix in its routing table. The router is configured to use the factory-default Junos OS routing preference values.

  In this scenario, which statement is correct?

  A. The OSPF route will be active because of a higher default preference value.

  B. The OSPF route will be active because of a lower default preference value.

  C. The static route will be active because of a lower default preference value.

  D. The static route will be active because of a higher default preference value.

  Correct Answer: C

• Question 30:

  Click the Exhibit button.

  

  Referring to the exhibit, which statement is correct about traffic received on the ge-0/0/1.0 interface?

  A. All traffic will be silently dropped.

  B. All traffic will be accepted.

  C. All traffic will be dropped and a UDP message sent back to the source.

  D. All traffic will be dropped and an ICMP notification sent back to the source.

  Correct Answer: C