Free Enterprise Routing and Switching, Specialist Exam JN0-351 Exam Practice Test

Which two statements are correct about generated routes? (Choose two.)

• Generated routes require a contributing route.
• Generated routes show a next hop in the routing table.
• Generated routes appear in the routing table as static routes
• Generated routes cannot be redistributed into dynamic routing protocols.

You have DHCP snooping enabled but no entries are automatically created in the snooping database for an interface on your EX Series switch. What are two reasons for the problem? (Choose two.)

• The device that is connected to the interface has performed a DHCPRELEASE.
• MAC limiting is enabled on the interface.
• The device that is connected to the interface has a static IP address.
• Dynamic ARP inspection is enabled on the interface.

Which statement is correct about graceful Routing Engine switchover (GRES)?

• The PFE restarts and the kernel and interface information is lost.
• GRES has a helper mode and a restarting mode.
• When combined with NSR, routing is preserved and the new master RE does not restart rpd.
• With no other high availability features enabled, routing is preserved and the new master RE does not restart rpd.

What are two reasons for creating multiple areas in OSPF? (Choose two.)

• to reduce the convergence time
• to increase the number of adjacencies in the backbone
• to increase the size of the LSDB
• to reduce LSA flooding across the network

What is the default keepalive time for BGP?

• 10 seconds
• 60 seconds
• 30 seconds
• 90 seconds

What is the maximum allowable MTU size for a default GRE tunnel without IPv4 traffic fragmentation?

• 1496 bytes
• 1480 bytes
• 1500 bytes
• 1476 bytes

After receiving a BGP route, which two conditions are verified by the receiving router to ensure that the received route is valid? (Choose two)

• The AS-path length is greater than 0.
• The loops do not exist.
• The next hop is reachable.
• The local preference is greater than 0.

You are asked to create a new firewall filter to evaluate Layer 3 traffic that is being sent between VLANs. In this scenario, which two statements are correct? (Choose two.)

• You should create a family Ethernet-switching firewall filter with the appropriate match criteria and actions.
• You should apply the firewall filter to the appropriate VLAN.
• You should create a family inet firewall filter with the appropriate match criteria and actions.
• You should apply the firewall filter to the appropriate IRB interface.

Which statement is correct about the storm control feature?

• The storm control feature is enabled in the factory-default configuration on EX Series switches.
• The storm control feature requires a special license on EX Series switches.
• The storm control feature is not supported on aggregate Ethernet interfaces.
• The storm control configuration only applies to traffic being sent between the forwarding and control plane.

You deployed a new EX Series switch with DHCP snooping enabled and you do not see any entries in the snooping databases for an interface. Which two Juniper configurations for that interface caused this issue? (Choose two.)

• The interface is configured as a disabled port.
• MAC limiting is enabled on the interface.
• The interface is configured as a trunk port.
• Dynamic ARP inspection is enabled on the interface.