[Free] 2018(Jan) EnsurePass Pass4sure Juniper JN0-343 Dumps with VCE and PDF 201-210

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Juniper Networks Certified Internet Specialist (JNCIS-ENT)

Question No: 201 – (Topic 3)

You want to change the BGP next hop to ensure that internal routers have reachability to networks learned from external peers. Which configuration excerpt applied on the perimeter router achieves this objective?

  1. protocols { bgp {

    group internal { type internal;

    local-address 10.10.10.1;

    neighbor 10.10.20.1 next-hop-self;

    neighbor 10.10.30.1 next-hop-self;

    neighbor 10.10.40.1 next-hop-self;

    }

    }

    }

  2. protocols { bgp {

    group internal { type internal;

    local-address 10.10.10.1; export change-next-hop; neighbor 10.10.20.1;

    neighbor 10.10.30.1;

    neighbor 10.10.40.1;

    }

    }

    }

    policy-options {

    policy-statement change-next-hop { term 1 {

    from { protocol bgp; external;

    }

    then {

    next-hop self;

    }

    }

    }

    }

  3. protocols { bgp {

    group internal { type internal;

    local-address 10.10.10.1; export change-next-hop; neighbor 10.10.20.1;

    neighbor 10.10.30.1;

    neighbor 10.10.40.1;

    }

    }

    }

    policy-options {

    policy-statement change-next-hop { term 1 {

    from { protocol bgp;

    route-type external;

    }

    then {

    next-hop self;

    }

    }

    }

    }

  4. protocols { bgp {

group ext { type external;

export change-next-hop; peer-as 111;

neighbor 10.10.20.1;

}

}

}

policy-options {

policy-statement change-next-hop { term 1 {

from { protocol bgp;

}

then {

next-hop self;

}

}

}

}

Answer: C

Question No: 202 – (Topic 3)

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Router 2 is receiving a route to 10.0.0.0/8 from Router 4 and Router 5. What will Router 2 do with the routes shown in the exhibit?

  1. Router 2 will mark both routes active if the next hops are reachable.

  2. Router 2 will prefer the route received from Router 4 because of a lower origin code value.

  3. Router 2 will prefer the route that arrived first because neither route is necessarily preferable over the other.

  4. Router 2 will prefer the route received from Router 5 because it has a shorter AS path.

Answer: D

Question No: 203 – (Topic 3)

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The exhibit shows a BGP multihomed network connecting to ISP A and ISP B. The secondary link is to be used only in a failover scenario in which the primary link is not usable. Which BGP attribute should you use to influence inbound traffic to use the primary link t hat is sourced from ISP C?

  1. multiple exit discriminator (MED)

  2. local preference

  3. AS path

  4. origin

Answer: C

Question No: 204 – (Topic 3)

Which three networks are default Martian addresses? (Choose three.)

A. 172.16.0.0/12 orlonger B. 127.0.0.0/8 orlonger C. 192.0.0.0/24 orlonger

  1. 10.0.0.0/8 orlonger

  2. 0.0.0.0/8 orlonger

Answer: B,C,E

Question No: 205 – (Topic 3)

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In the exhibit, Router A and Router B have a VRRP relationship through Switch A. Router A is the VRRP master and Router B#39;s VRRP priority is set to the default. Based on the configuration for Router A shown in the exhibit, which two interfaces must go down for Router B to become the VRRP master? (Choose two.)

A. ge-0/0/0 B. ge-0/0/2 C. ge-0/0/3 D. ge-0/0/7

Answer: A,B

Question No: 206 – (Topic 3)

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In the exhibit, R5 is exporting the RIP network prefixes into OSPF. You want to limit the number of LSAs sent to Area 2.2.2.2, but you want to ensure that all routers in other are as will have routes to all networks contained in the LSAs sent by the routers in Area 2.2.2.2.

Which configuration change will enable this scenario?

  1. Configure Area 2.2.2.2 as a stub area.

  2. Configure Area 2.2.2.2 as a not-so-stubby area.

  3. Configure an area range on R3.

  4. Configure an export filter for OSPF on R3.

Answer: B

Question No: 207 – (Topic 3)

Which three statements are true about tunnels? (Choose three.)

  1. By default, GRE tunnels copy the ToS bits of the inner packet#39;s IP header to the GRE header.

  2. By default, GRE allows fragmentation of packets traversing nodes whose MTU is lower than the de-encapsulating devices.

  3. IP-IP tunnels transport only IP traffic.

  4. GRE and IP-IP tunnels are configured by defining a logical unit for a tunnel interface.

  5. GRE encapsulations and IP-IP encapsulations both add additional overhead to a packet.

Answer: C,D,E

Question No: 208 – (Topic 3)

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Devices S1 and S2 have the interface configurations as shown in the exhibit. You attach ge-0/0/0 on S1 to ge-0/0/0 on S2. You attach ge-0/0/1 on S1 to ge-1/0/20 on S2. However, the ae0 interface remains down on both S1 and S2. What should you change to cause the ae0 interface to come up?

  1. You should use consecutive interfaces on S2.

  2. You should use interfaces on S2 that are on the same member of the Virtual Chassis.

  3. You should configure at least one switch to run LACP in active mode.

  4. You should make the list of VLANs on the ae0 interfaces on S1 and S2 match.

Answer: C

Question No: 209 – (Topic 3)

A GRE tunnel is established between two routers. When a user on one end sends traffic with a large packet size to a user on the remote end, the packet never arrives. However, the problem does not exist for smaller packets. What is the problem?

  1. The tunnel is down on the remote end.

  2. The don#39;t-fragment bit is set on the traffic.

  3. GRE tunnels do not support IP traffic.

  4. No dynamic routing protocol exists to handle the traffic.

Answer: B

Question No: 210 – (Topic 3)

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Company A wants to control how BGP traffic reaches the Internet.

What should you configure to ensure that traffic exits the network by way of Router 1 toward ISP 1?

  1. You should change the underlying IGP metric to make Router 1 more preferable.

  2. You should configure Router 1 to have a community with an IBGP export policy, which makes its routes more preferable.

  3. You should configure Router 1 to have a higher local-preference value with an EBGP import policy to make its routes more preferable.

  4. You should set Router 2#39;s MED to a higher value using an IBGP export policy to make its routes less preferable.

Answer: C

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