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B.AS-Path

C.Communities

D.Next Hop

Correct Answer: BD

Section: Volume B

Explanation

Explanation/Reference:

QUESTION 137

Click the Exhibit button

In an RSTP network, the root and designated ports have been elected as shown in the exhibit What will be the port type of port 1?

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A.backup port

B.discarding port

C.alternate port

D.listening port

Correct Answer: A

Section: Volume B

Explanation

Explanation/Reference:

QUESTION 138

Which two statements about BGP are accurate? (Choose two.)

A.BGP uses UDP port 500 for connectivity.

B.BGP uses TCP port 179 for connectivity.

C.External peering sessions require an underlying IGP.

D.Internal peering sessions require an underlying IGP.

Correct Answer: BD

Section: Volume B

Explanation

Explanation/Reference:

QUESTION 139

Which two elements contribute to the bridge ID when configuring RSTP? (Choose 2)

A.designated MAC address

B.bridge priority

C.extended system ID

D.root ID

E.bridge address

Correct Answer: AB

Section: Volume B

Explanation

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Explanation/Reference:

The bridge ID consists of a configurable bridge priority and the MAC address of the bridge.

Reference:

http://www.juniper.net/techpubs/software/junos/junos95/swconfig-layer-2/conf-stp.html#conf- bridge-priority

QUESTION 140

You want to influence how traffic enters your network

Using industry best practices, which two BGP attributes would you modify to accomplish this goal? (Choose two)

A.AS Path

B.Local Preference

C.Next Hop

D.MED

Correct Answer: AD

Section: Volume B

Explanation

Explanation/Reference:

QUESTION 141

You have recently installed a second Routing Engine (RE) in your router

Which two statements correctly describe the expected behavior if the primary RE fails? (Choose two.)

A.The backup RE will assume the master role once the packet forwarding engine restarts

B.The backup RE will immediately assume the master role

C.The new master RE restarts the routing protocol process (rpd) and establishes any required adjacencies based on the configuration.

D.The new master RE maintains the existing protocol adjacencies initially established by the previous master RE

Correct Answer: AC

Section: Volume B

Explanation

Explanation/Reference:

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QUESTION 142

Which command would you use to verify the presence of VPN routes on a PE device?

A.show route table bgp.l3vpn.0

B.show route protocol bgp terse | count

C.show route table inet.0

D.show route route-type vpn

Correct Answer: A

Section: Volume B

Explanation

Explanation/Reference:

QUESTION 143

Which statement is true of a Layer 2 circuit?

A.Layer 2 circuits use BGP for signaling

B.Layer 2 circuits use OSPF for signaling

C.Layer 2 circuits use LDP for signaling

D.Layer 2 circuits rely on RSVP for signaling

Correct Answer: C

Section: Volume B

Explanation

Explanation/Reference:

QUESTION 144

Click the Exhibit button

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An operator is unable to establish any IS-IS adjacencies on a router in the network.

Based on the configuration shown in the exhibit, what is the problem?

A.Interface loO must be configured in the IS-IS hierarchy

B.Each network interface needs a unique family ISO address

C.The IS-IS level for an each interface must be specified

D.The ISO address for interface loO is not in hex format

Correct Answer: A

Section: Volume B

Explanation

Explanation/Reference:

QUESTION 145

What are three circumstances under which a router sends link-state PDUs (LSPs)? (Choose three)

A.LSPs are sent periodically every 9 seconds

B.LSPs are sent when there is a network change

C.LSPs are sent during adjacency formation

D.LSPs are sent in response to CSNP messages

E.LSPs are sent in response to PSNP messages

Correct Answer: BCE

Section: Volume B

Explanation

Explanation/Reference:

QUESTION 146

In an RSTP network, which combination of port types can exist on the root bridge?

A.There can be some combination of designated ports and backup ports

B.There can be some combination of root ports and alternate ports

C.All ports will be designated ports

D.All ports will be root ports

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Correct Answer: C

Section: Volume B

Explanation

Explanation/Reference:

QUESTION 147

Your company has purchased two new Juniper Networks MX480 routers. Your manager has asked you to add these two devices to the existing ISIS network.

Which two rules about ISIS adjacencies must you consider when carrying out the configuration? (Choose two)

A.For Level 1 adjacencies, area IDs must be the same

B.For Level 2 adjacencies area IDs must be the same

C.The IS-IS levels configured on the interfaces must be the same

D.The IS-IS levels on the interfaces can be different

Correct Answer: AC

Section: Volume B

Explanation

Explanation/Reference:

QUESTION 148

In the evaluation of an RSTP configuration BPDU, which two values are contained in the Bridge ID value? (Choose two)

A.root bridge address

B.priority

C.originating bridge address

D.port number

Correct Answer: BC

Section: Volume B

Explanation

Explanation/Reference:

QUESTION 149

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Under which Junos configuration hierarchy is a load-balancing policy applied?

A.[edit routing-options family inet]

B.[edit forwarding-options family inet]

C.[edit routing-options forwarding-table]

D.[edit forwarding-options forwarding-table]

Correct Answer: C

Section: Volume B

Explanation

Explanation/Reference:

QUESTION 150

Which two configuration elements are defined under an MSTP instance? (Choose two)

A.revision-level

B.bridge-priority

C.mstp-level

D.vlan

Correct Answer: BD

Section: Volume B

Explanation

Explanation/Reference:

The correct answer is B, D because revision-level is common for the all MSTI instances and it is configured one level up from MSTI instance section. Reference:

http://www.juniper.net/techpubs/en_US/junos10.0/information-products/topic- collections/config-guide-mx-series-layer2/mstp-edit-protocols.html

QUESTION 151

Click the Exhibit button

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Given the network topology shown in the exhibit, you are configuring a GRE tunnel from Router A to Router C Which interface configuration on Router A will successfully allow the tunnel to pass IPv4 traffic to Router C?

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