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-- Exhibit --

Click the Exhibit button.

In the exhibit, all switches run STP; however, the link between bridge G and bridge E fails.

What does root bridge A do after it receives information about this link failure?

A.Root bridge A sets the acknowledge flag and sends an updated topology BPDU.

B.Root bridge A sends a topology change notification BPDU.

C.Root bridge A sets the topology change flag and sends an updated configuration BPDU.

D.Root bridge A floods an updated BPDU topology database.

Correct Answer: C

Section: Volume A

Explanation

Explanation/Reference:

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QUESTION 106

-- Exhibit

-- Exhibit --

Click the Exhibit button.

Referring to the exhibit, you have an established RSVP LSP between R1 and R5 when you experience a link failure between R2 and R4.

Which two statements are correct? (Choose two.)

A.R2 sends a ResvTear message upstream to R1 signaling the link failure.

B.R2 sends a PathTear message upstream to R1 signaling the link failure.

C.R4 sends a ResvTear message downstream to R5 signaling the link failure.

D.R4 sends a PathTear message downstream to R5 signaling the link failure.

Correct Answer: AD

Section: Volume A

Explanation

Explanation/Reference:

QUESTION 107

-- Exhibit --

[edit]

user@router# show protocols bgp group ibgp {

type internal; local-address 3.3.3.3;

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family inet; neighbor 2.2.2.2;

}

[edit]

user@router# show routing-instances VRF {

instance-type vrf; interface xe-0/0/1.0;

route-distinguisher 3.3.3.3:100; vrf-target target:100:100; vrf-table-label;

}

[edit]

user@router# show protocols mpls interface all;

[edit]

user@router# show protocols rsvp interface all;

-- Exhibit --

Click the Exhibit button.

Referring to the exhibit, what is missing in the configuration to make the Layer 3 VPN functional? (Choose two.)

A.a label-switched path

B.the LDP protocol configuration

C.a virtual circuit ID

D.an NLRI of family inet-vpn unicast

Correct Answer: AD

Section: Volume A

Explanation

Explanation/Reference:

QUESTION 108

-- Exhibit --

user@router# show interfaces

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xe-0/0/0 { unit 0 {

family inet {

address 192.168.12.1/24;

}

family mpls;

}

}

xe-0/0/1 {

encapsulation ethernet-ccc; unit 0 {

family ccc;

}

}

lo0 {

unit 0 {

family inet {

address 1.1.1.1/32;

}

}

}

[edit]

user@router# show protocols mpls {

interface all;

}

ospf { traffic-engineering; area 0.0.0.0 {

interface all;

}

}

ldp {

interface all;

}

l2circuit {

neighbor 2.2.2.2 { interface xe-0/0/1.0 {

}

}

}

-- Exhibit --

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Click the Exhibit button.

In the exhibit, which configuration element is missing to bring up the Layer 2 circuit?

A.the route target

B.the virtual circuit ID

C.a targeted LDP session

D.an MPLS LSP

Correct Answer: B

Section: Volume A

Explanation

Explanation/Reference:

QUESTION 109

-- Exhibit

-- Exhibit --

Click the Exhibit button.

Based on the exhibit, which configuration will permit end-to-end routing through the GRE tunnel for R1?

A.[edit]

user@R1# show routing-options static

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route 192.168.2.1/32 next-hop gr-0/0/0.0; route 172.20.111.0/24 next-hop 192.168.1.1;

B.[edit]

user@R1# show routing-options static route 192.168.2.1/32 next-hop gr-0/0/0.0; route 172.20.111.0/24 next-hop 172.18.1.1;

C.[edit]

user@R1# show routing-options static route 192.168.2.1/32 next-hop 172.18.1.1; route 172.20.111.0/24 next-hop gr-0/0/0.0;

D.[edit]

user@R1# show routing-options static route 192.168.2.1/32 next-hop 172.18.2.2; route 172.20.111.0/24 next-hop 172.18.1.1;

Correct Answer: C

Section: Volume A

Explanation

Explanation/Reference:

QUESTION 110

What are two valid actions that can be applied to a frame by a Layer 2 firewall filter? (Choose two)

A.Log

B.loss-priority

C.sample

D.count

Correct Answer: BD

Section: Volume B

Explanation

Explanation/Reference:

The correct answers are B, D.

Reference:

You can specify the following filter actions:

*accept

*count counter-name

*discard

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*dscp code-point (family inet only)

*forwarding-class class-name

*ipsec-sa ipsec-sa (family inet only)

*load-balance group-name (family inet only)

*log (family inet and inet6 only)

*logical-system logical-system-name (family inet and inet6 only)

*loss-priority (high | medium-high | medium-low | low)

*next term

*next-hop-group group-name (family inet only)

*policer policer-name

*port-mirror (family bridge, ccc, inet, inet6, and vpls only)

*prefix-action action-name (family inet only)

*reject <message-type> (family inet and inet6 only)

*routing-instance routing-instance-name (family inet and inet6 only)

*sample (family inet, inet6, and mpls only)

*service-accounting (service filters and family inet or inet6 only)

*service-filter-hit (service filters and family inet or inet6 only)

*syslog (family inet and inet6 only)

*three-color-policer policer-name

*topology topology-name (family inet and inet6 only)

*traffic-class code-point (family inet6) only

QUESTION 111

Which two statements describe differences between IPv4 and IPv6? (Choose two)

A.IPsec is built into IPv6

B.IPv6 uses a 32-bit (4-byte) address and can support up to 4,294,967,296 addresses

C.IPv4 supports extension headers whereas IPv6 options are integrated into the base

D.IPv6 eliminates the need for NAT

Correct Answer: AD

Section: Volume B

Explanation

Explanation/Reference:

QUESTION 112

You must configure an OSPF area that does not accept type 3 link-state advertisements (LSAs) from area 0 (other than the default route) You have configured your area to be stub, but you still see type 3 LSAs.

What will account for this behavior?

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A.You should have configured your area as totally stubby

B.You should have used a not-so-stubby-area

C.You are experiencing a routing loop

D.You have exported routes into OSPF

Correct Answer: A

Section: Volume B

Explanation

Explanation/Reference:

QUESTION 113

You have configured an IP-IP tunnel between Router A and Router B

Which Junos operational mode command is used to verify that the tunnel interface is up and operational?

A.show chassis tunnel status

B.show tunnel interface

C.show interfaces terse

D.show interfaces tunnel

Correct Answer: C

Section: Volume B

Explanation

Explanation/Reference:

QUESTION 114

Which IS-IS packet is used to determine the level of an IS-IS neighbor?

A.IIH

B.LSP

C.PSNP

D.CSNP

Correct Answer: A

Section: Volume B

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Explanation

Explanation/Reference:

QUESTION 115

Router A is an OSPF router connected to both Area 0 and Area 1 Area 1 has been configured as a stub area Which two LSA types does Router A suppress from Area 1 ?

A.Router LSA

B.External LSA

C.Summary LSA

D.ASBR Summary LSA

Correct Answer: BD

Section: Volume B

Explanation

Explanation/Reference:

QUESTION 116

You are logged into a router and have navigated to the (edit routing-options] level of the hierarchy. You have been asked to create a static route that will use 10.10.10.1 as its primary next-hop and 10.10.10.5 as its secondary next-hop.

Which command correctly configures this scenario?

A.set static route 8/8 10.10.10.1 qualified-next-hop 10.10.10.5 pref 10

B.set static route 8/8 next-hop 10.10.10.1 secondary-next-hop 10.10.10.5 preference 10

C.set static route 8/8 next-hop 10.10.10.1 qualified-next-hop 10.10.10.5 preference 10

D.set static route 8/8 next-hop [10.10.10.1 10.10.10.5] pref 10

Correct Answer: C

Section: Volume B

Explanation

Explanation/Reference:

QUESTION 117

Which Junos operational mode command is used to verify that load balancing is working as expected?

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A.show route all

B.show route extensive

C.show route balancing

D.show route forwarding-table

Correct Answer: D

Section: Volume B

Explanation

Explanation/Reference:

QUESTION 118

Click the Exhibit button

Based on the illustration of the VPLS topology shown in the exhibit, which statement is true?

A.PE-C must have a spanning-tree protocol enabled

B.CE-C must have BGP enabled

C.Traffic forwarded from PE-C to PE-A is forwarded on to PE-B

D.Traffic forwarded from PE-C to PE-A is not forwarded on to PE-B

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