Enterprise Routing and Switching, Specialist v1.0 (JN0-348)

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Total 97 questions

Click the Exhibit button.


Referring to the exhibit, which two statements about BGP prefixes advertised by R1 to AS 65501 are true? (Choose two.)

  • A. R1 will modify the originator ID attribute in prefixes advertised to AS 65501
  • B. R1 will modify the AS path attribute in prefixes advertised to AS 65501
  • C. R1 will modify the next-hop attribute in prefixes advertised to AS 65501
  • D. R1 will modify the cluster list attribute in prefixes advertised to AS 65501


Answer : AC

Which two statements about DHCP snooping are correct? (Choose two.)

  • A. DHCP snooping inspects all DHCP packets on untrusted ports.
  • B. By default, the Junos OS treats access ports as trusted and trunk ports as untrusted.
  • C. DHCP snooping uses ARP to add statically defined IP addresses to its database.
  • D. The DHCP database maps IP addresses, MAC addresses, and the associated VLAN.


Answer : AD

Which statement is They are stateless and evaluated by the control plane true about Layer 2 firewall filters on EX Series switches?

  • A. They are stateful and evaluated by the forwarding plane.
  • B. They are stateless and evaluated by the control plane.
  • C. They are stateful and evaluated by the control plane.
  • D. They are stateless and evaluated by the forwarding plane.


Answer : D

Which OSPF packet type is sent when an OSPF router detects its database is stale?

  • A. database description
  • B. link-state acknowledgment
  • C. link-state request
  • D. hello


Answer : C

Click the Exhibit button.


Referring to the exhibit, all users connected to the same VLAN can communicate with each other, but not with users on other VLANs in this network.
What must be configured to enable communication between the VLANs?

  • A. The switch ports to which the users are connected should be configured as trunk ports.
  • B. A separate routing device is required to forward traffic between the configured VLANs.
  • C. A logical IRB interface must be created and assigned to each VLAN.
  • D. A single logical IRB interface must be created and assigned to all three VLANs.


Answer : C

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Referring to the exhibit, Router-1 and Router-2 are failing to form an IS-IS adjacency.
What should you do to solve the problem?

  • A. Remove the overloaded statement from Router-1.
  • B. Change the IP subnet masks to match on the ge-0/0/2 interfaces of both routers.
  • C. Change the ISO areas on the lo0 interfaces to match on both routers.
  • D. Remove the ISO address from ge-0/0/2 on Router-1.


Answer : D

What are two interarea OSPF LSA types? (Choose two.)

  • A. Type 1 router LSAs
  • B. Type 3 summary LSAs
  • C. Type 4 ASBR summary LSAs
  • D. Type 2 network LSAs


Answer : BC

You want to use filter-based forwarding (FBF) to forward traffic sourced from subnet 10.0.0.0/24 to a specific destination.
Which two routing instance types would enable you to accomplish this task? (Choose two.)

  • A. virtual switch
  • B. virtual routing and forwarding
  • C. virtual router
  • D. forwarding


Answer : CD

Which statement is true about IP-IP tunnels?

  • A. The time-to-live value of the original packet is decremented.
  • B. IP-IP tunnels are protocol agnostic.
  • C. The packet is encapsulated unchanged before entering the tunnel.
  • D. The packet header is replaced before entering the tunnel.


Answer : B

When electing a DIS in an IS-IS network, what is used to break a priority tie?

  • A. highest MAC address
  • B. highest router ID
  • C. lowest MAC address
  • D. lowest router ID


Answer : A

Which two statements are true about high availability on Junos devices? (Choose two.)

  • A. BFD is faster at detecting failures than default GRE or OSPF timers.
  • B. BFD is slower at detecting failures than default GRE or OSPF timers.
  • C. NSR is dependent on helper routers to assist the routing platform in restoring routing protocol information.
  • D. NSR is independent on helper routers to assist the routing platform in restoring routing protocol information.


Answer : AD

Click the Exhibit button.


You are attempting to set up VRRP with R1 and R2 being participating members. You want R1 to be the master router and R2 to be the backup router with the virtual router they create being at address 172.25.100.1. The virtual router is not pinging from either User A or User B.
Referring to the exhibit, what must be done to correct the problem?

  • A. A VRRP policy is needed on R1 and R2.
  • B. The VRRP group value on R1 and R2 must match.
  • C. The VRRP priority value on R1 and R2 must match.
  • D. A VRRP authentication type value is needed on R1 and R2.


Answer : B

Click the Exhibit button.


Both the R1 and R2 devices are advertising prefix X into AS 65530 with the BGP attributes shown in the exhibit.
Which statement is correct in this scenario?

  • A. R2"™s version of prefix X will be active because of the local preference attribute.
  • B. R1"™s version of prefix X will be active because of the local preference attribute.
  • C. R1"™s version of prefix X will be active because of the AS path attribute.
  • D. R2"™s version of prefix X will be active because of the AS path attribute.


Answer : D

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

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


Answer : B

Click the Exhibit button.


Which statement is true about the configuration shown in the exhibit?

  • A. The preference for the 172.30.25.1 next hop is 5.
  • B. The preferred next hop is 172.30.25.5.
  • C. The preference for the 172.30.25.1 next hop is 7.
  • D. 172.30.25.1 is the preferred next hop.


Answer : B

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Total 97 questions