Juniper Networks Certified Internet Specialist (JNCIS-ENT) Set 8

1.

Which command is used to confirm the status of a tunnel interface?

show tunnel interface gr-0/0/0 show tunnels show interfaces gr-0/0/0 detail show interfaces tunnel detail

2.

You have an EX4200 in a Virtual Chassis configuration. You need to establish a console connection to the switch to troubleshoot an issue. Which statement is correct?

You must first determine which VC member is the master RE and connect to it. You must first determine which VC member is the backup RE and connect to it. You can connect to any member of the VC and your console session will be re directed to the master RE. You can connect to any member of the VC but you will be connected to a local member and from there you mustconnect to the master RE.

3.

What is the purpose of the storm control feature on EX Series switches?

to filter traffic based on fields in the IP header to protect against a flood of OSPF routing updates to prevent network outages caused by broadcast storms on the LAN to facilitate Routing Engine (RE) failover in cases where the primary RE is overloaded

4.

Which statement describes the Spanning Tree Protocol (STP)?

A switching protocol used to carry default VLANs. A port security feature used to limit MAC addresses on a port. A switching protocol that prevents loops. A high availability protocol used to gracefully restart a switch.

5.

Which statement is true regarding a unified in-service software upgrade (ISSU)?

BFD must be enabled. GRES and NSR must be enabled. VRRP must be enabled. OAM must be enabled.

6.

Which protocol is a link-state routing protocol?

BGP RIP OSPF MPLS

7.

Which statement correctly describes the Border Gateway Protocol (BGP)?

A switching protocol used between switches on a branch office LAN. A routing protocol used between autonomous systems. A redundancy protocol that assists with interface failover on the LAN side of a device at the network edge. A security protocol that monitors traffic on a gateway device and shuts down a port based on configuredthresholds.

8.

Which statement is correct regarding access ports on EX Series switches?

They are used for console management. They can only be connected to routers. They are used to establish a Virtual Chassis. They can receive untagged traffic.

9.

Which bridging mechanism is used to obtain the MAC addresses of nodes on the network?

listening aging learning filtering

10.

Which statement describes the flooding bridging mechanism when it receives traffic destined to an unknown MAC address?

The switch will discard the traffic and send a destination unreachable message. The switch will clear the bridging table and forward traffic out all ports. The switch will silently discard the traffic. The switch will forward the traffic out all ports.

Juniper Networks Certified Internet Specialist (JNCIS-ENT) Set 8

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Juniper Networks Certified Internet Specialist (JNCIS-ENT) Set 8

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