Juniper JN0-348 Online Practice Questions and Exam Preparation

Juniper JN0-348 Online Questions & Answers

• Question 11:

  Click the Exhibit button.

  

  Based on the output shown in the exhibit, which statement is correct?

  A. This switch has been elected as the root bridge
  B. This switch has a bridge priority of 32k
  C. The ge-0/0/15 interface is using the default port cost
  D. The ge-0/0/9 interface is using the default priority value
  A. This switch has been elected as the root bridge

• Question 12:

  Which two situations would cause dynamic ARP inspection to drop traffic? (Choose two.)

  A. if no IP-to-MAC address entry exists in the DHCP snooping database
  B. if the IP address in the ARP packet is deemed invalid
  C. if the requested MAC address exceeds the configured limit on the port
  D. if the ARP packet comes from a port that has been configured as trusted
  A. if no IP-to-MAC address entry exists in the DHCP snooping database
  B. if the IP address in the ARP packet is deemed invalid

• Question 13:

  Which two routes belong to the 172.16.0.0/22 aggregate route? (Choose two.)

  A. 172.16.4.0/24
  B. 172.16.0.0/24
  C. 172.16.5.0/24
  D. 172.16.3.0/24
  B. 172.16.0.0/24
  D. 172.16.3.0/24

• Question 14:

  What is the default BGP group type on a Junos device?

  A. internal
  B. external
  C. multihop
  D. null
  B. external

• Question 15:

  Click the Exhibit button.

  

  A number of reports from end users indicate that internal and external communications are intermittent and not reliable. You verified the status of the switch ports and have determined that they are up and operational. You also noticed a very high level of link bandwidth utilization on those same ports. The current topology of the affected environment is shown in the exhibit.

  What would be the cause of the reported issues?

  A. A misconfigured interior gateway protocol (IGP).
  B. A lack of a loop-prevention mechanism or protocol.
  C. A lack of port-based ACLs filtering the traffic flows.
  D. A malformed route-based ACL improperly filtering traffic flows.
  B. A lack of a loop-prevention mechanism or protocol.

• Question 16:

  Click the Exhibit button.

  

  Referring to the exhibit, which policy will export routes to IBGP peers?

  A. static-3
  B. static-4
  C. static-1
  D. static-2
  B. static-4

• Question 17:

  What are two reasons for configuring more than one VLAN on a switch? (Choose two.)

  A. A group of clients requires that security be applied to traffic entering or exiting the group's devices.
  B. A group of devices must forward traffic across a WAN.
  C. A group of devices are connected to the same Layer 3 network.
  D. A group of clients requires that the group's devices receive less broadcast traffic than they are currently receiving.
  A. A group of clients requires that security be applied to traffic entering or exiting the group's devices.
  D. A group of clients requires that the group's devices receive less broadcast traffic than they are currently receiving.

• Question 18:

  What are two characteristics of IS-IS CSNPs? (Choose two.)

  A. IS-IS CSNPs contain header information for all link-state PDUs.
  B. IS-IS CSNPs are used to request a copy of a missing link state PDU.
  C. IS-IS CSNPs are used to maintain the link-state database synchronization.
  D. IS-IS CSNPs contain header information for specific requested link-state PDUs.
  A. IS-IS CSNPs contain header information for all link-state PDUs.
  C. IS-IS CSNPs are used to maintain the link-state database synchronization.

• Question 19:

  Which statement is true when using LAGs with an EX4300?

  A. Speeds on member links can differ.
  B. Member links must be contiguous.
  C. Half duplex is supported on the LAG.
  D. You can have up to 16 member links per LAG.
  D. You can have up to 16 member links per LAG.

• Question 20:

  How many bytes of overhead are added to a packet traversing a GRE tunnel?

  A. 20
  B. 24
  C. 12
  D. 16
  B. 24