JN0-343 Online Practice Questions and Answers

By default, how frequently does the designated intermediate system (DIS) send out its hello packets?

A. 3 seconds

B. 6 seconds

C. 9 seconds

D. 12 seconds

Router D is advertising a path for the 10.0.0.0/8 network through BGP and AS 2 is advertising this path to AS 1. By default, what is the next hop for this path from router A's perspective?

A. router D's loopback address

B. router B's loopback address

C. router B's interface address for the external BGP session from router B to router C

D. router C's interface address for the external BGP session from router B to router C

Which two link-state advertisement (LSA) types are allowed in a stub area? (Choose two.)

A. LSA Type 1

B. LSA Type 2

C. LSA Type 4

D. LSA Type 5

You want to configure per-flow load balancing for all routes on Router-1. Which configuration example accomplishes this?

A. routing-options { forwarding-table { export ECMP; } } policy-options { policy-statement ECMP { term first { then { load-balance per-packet; } } } }

B. routing-options {

export ECMP;

}

policy-options {

policy-statement ECMP {

term first {

then {

load-balance per-packet;

}

}

}

}

C. routing-options { forwarding-table { export ECMP; } } policy-options { policy-statement ECMP { term first { from protocol ospf; then { load-balance per-packet; } } } }

D. routing-options { forwarding-table { export ECMP; } } policy-options { policy-statement ECMP { term first { from protocol ospf; then { load-balance ECMP; } } }

Which protocol or feature detects and eliminates Layer 2 loops in a network?

A. RTG

B. STP

C. LACP

D. GVRP

-- Exhibit -[edit protocols rstp] user@switch# show bridge-priority 32k;

max-age 20;

hello-timer 2;

forward-delay 15;

interface ge-0/0/11.0 {

disable;

}

interface ge-0/0/12.0 {

cost 20000;

mode point-to-point;

}

interface ge-0/0/13.0 {

priority 128;

mode shared;

}

interface ge-0/0/14.0 {

edge;

}

bpdu-block-on-edge;

-- Exhibit -The exhibit shows the RSTP configuration for your EX Series switch. The switch begins receiving BPDUs on a port and disables that port.

Which port is disabled?

A. ge-0/0/11.0

B. ge-0/0/12.0

C. ge-0/0/13.0

D. ge-0/0/14.0

-- Exhibit -ethernet-switching-options {

secure-access-port {

interface ge-0/0/0.0 {

mac-limit 2 action shutdown;

no-dhcp-trusted;

}

}

storm-control {

interface all;

}

}

-- Exhibit -You have configured a MAC limit on your switch.

Referring to the exhibit, when the MAC limit is exceeded, when will the port recover?

A. After 30 seconds

B. After the administrator enters the set ethernet-switching port-error clear command

C. After 300 seconds

D. After the administrator enters the clear ethernet-switching port-error command

In your network, you have configured an EX Series switch with port-based, VLAN-based, and router-based firewall filters. The filters are applied to examine all outgoing traffic. In which order will they be processed by the switch?

A. router, VLAN, port

B. VLAN, router, port

C. port, VLAN, router

D. router, port, VLAN

-- Exhibit ?

-- Exhibit -In the exhibit, the switches have all been powered on at the same time and have the factory default RSTP configuration.

Which action would ensure that Switch A becomes the root bridge?

A. On Switch A, issue the set protocols rstp bridge-priority 28k command.

B. On Switch A, issue the set protocols rstp bridge-priority 36k command.

C. On Switch C, issue the set protocols rstp bridge-priority 36k command.

D. On Switch B, issue the set protocols rstp bridge-priority 28k command.

You are asked to ensure that an unauthorized switch running spanning tree cannot be added to any edge port on your EX Series switch. The ports must discard any incoming spanning tree packets but the interface must continue to forward traffic.

What should you do to accomplish the behavior?

A. Enable BPDU protection.

B. Enable BPDU protection and use the drop feature.

C. Enable root protection and use the drop feature.

D. Enable root protection.