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In the exhibit, all routers are sending routes to Router B. Which routes will be advertised from Router B to Router E?

A.BGP routes learned from Router A only

B.BGP routes learned from Router D only

C.BGP routes learned from Routers A and C only

D.BGP routes learned from Routers A, C, and D only

Correct Answer: D

Section: Volume B

Explanation

Explanation/Reference:

QUESTION 222

In your RSVP network you have configured three separate LSPs to the same egress address. You have made no other configuration changes to the forwarding decisions made by the router. Which commands can you use to determine which LSP is being used to forward packets?

A.show route table inet.3

B.show route table inet.4

C.show rsvp neighbor

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D. show rsvp session

Correct Answer: A

Section: Volume B

Explanation

Explanation/Reference:

QUESTION 223

Which two values are used by an RSTP bridge to remove stale BPDU information? (Choose two.)

A.Message Age

B.Forwarding Delay

C.Hello Time

D.Max Age

Correct Answer: AD

Section: Volume B

Explanation

Explanation/Reference:

QUESTION 224

Click the Exhibit button.

After the MAC learning limit of 3000 is reached for the bd bridge domain as shown in the exhibit, what happens to frames that arrive that contain

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unknown unicast destination addresses?

A.They are flooded.

B.The are forwarded to the default gateway.

C.They are dropped.

D.They are forwarded to the IRB interface.

Correct Answer: A

Section: Volume B

Explanation

Explanation/Reference:

QUESTION 225

You have recently configured MSTP on two switches in your network to participate in the same MSTP region. You issue the show spanning-tree mstp configuration command on both switches and notice that the configuration digests do not match. What does this mismatch indicate?

A.Everything is functioning as expected because the configuration digests should not match.

B.You should ensure that the max-age and hello timers are equal on both switches.

C.You should ensure that the bridge IDs and priority values are unique on both switches.

D.You should ensure that the MSTIs and their VLAN IDs are equal on both switches.

Correct Answer: D

Section: Volume B

Explanation

Explanation/Reference:

QUESTION 226

You have a stub OSPF area running in your network. Your supervisor has asked you to build a virtual link across this area to connect new equipment acquired in a recent ISP acquisition.

Which statement is correct about this scenario?

A.Type 5 LSAs would be blocked in a stub area.

B.Type 5 LSAs would carry external information across your transit area to the backbone.

C.Type 5 LSAs would be seen only in the newly attached area.

D.Type 5 LSAs would be converted to type 7 LSAs.

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Correct Answer: A

Section: Volume B

Explanation

Explanation/Reference:

QUESTION 227

You own a small company and need to assign IPv6 addresses to your routers. Because you want to follow the guidelines spelled out in RFC 3177, you want to design your network with the correct prefixes. Which prefix would your ISP likely allocate to your company?

A.47-bit prefix

B.48-bit prefix

C.64-bit prefix

D.128-bit prefix

Correct Answer: B

Section: Volume B

Explanation

Explanation/Reference:

QUESTION 228

Your customer would like to forward traffic using DLCI 600 and maintain Layer 2 information across a VPN. Which solution will meet these requirements?

A.a Layer 3 VPN

B.a Layer 2 VPN

C.Virtual Private LAN Service (VPLS)

D.an IPsec VPN

Correct Answer: B

Section: Volume B

Explanation

Explanation/Reference:

QUESTION 229

You have two OSPF routers that are trying to form an adjacency. When you issue the command show ospf neighbor, you see that one router is in the

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loading state and the other is in the full state. Why are you seeing the router's state as loading?

A.The router does not know about the received LSA header and has transmitted a link-state request.

B.The router has finished transmitting, but is still receiving database information.

C.The router is waiting for a start event.

D.The router has established bidirectional communication with its peer.

Correct Answer: B

Section: Volume B

Explanation

Explanation/Reference:

QUESTION 230

Which two events could cause the BGP Active state to appear? (Choose two.)

A.The local router does not have a route to the peer device.

B.The local router failed to establish a TCP connection with the peer device.

C.A firewall is stopping all UDP packets.

D.The BGP configuration is incomplete.

Correct Answer: BD

Section: Volume B

Explanation

Explanation/Reference:

QUESTION 231

Click the Exhibit button.

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The policy shown in the exhibit has been configured and installed on your router. What is the result of applying this policy?

A.The 172.18.1.0/24 network will be redistributed into OSPF as an external route.

B.The 172.18.1.0/24 network will be redistributed into OSPF as an internal route.

C.The 172.18.1.0/32 network will be redistributed into OSPF as an external route.

D.The 172.18.1.0/32 network will be redistributed into OSPF as an internal route.

Correct Answer: A

Section: Volume B

Explanation

Explanation/Reference:

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QUESTION 232

Which type of router can provide connectivity between areas in an IS-IS domain?

A.a Level 1 router with adjacencies within a single area

B.a Level 2 router with adjacencies in more than one area

C.an area border router with adjacencies in more than one area

D.a Level 2 router with adjacencies in a single area

Correct Answer: B

Section: Volume B

Explanation

Explanation/Reference:

QUESTION 233

You have been asked to provision a service provider's network to accommodate Layer 3 VPNs as defined in RFC 4364. Which three tasks must be performed before the provider network is ready to carry VPN traffic? (Choose three.)

A.All Juniper Networks PE routers must be configured with an appropriate router-ID unique to the VPN.

B.All Juniper Networks PE routers must be configured with an appropriate route-target unique to the VPN.

C.All Juniper Networks PE routers must be configured with a routing-instance of type forwarding.

D.All Juniper Networks PE routers must be configured with a routing-instance of type vrf.

E.All Juniper Networks PE routers must be configured with a routing-instance containing the CE-facing interface.

Correct Answer: BDE

Section: Volume B

Explanation

Explanation/Reference:

QUESTION 234

By default, which BGP attribute is only compared when two route advertisements are received from the same neighboring AS?

A.MED

B.AS-Path

C.Communities

D.Next Hop

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Correct Answer: A

Section: Volume B

Explanation

Explanation/Reference:

QUESTION 235

Click the Exhibit button.

Referring to the exhibit, what must be true of the vlan_100 bridge domain?

A.vlan_100 has at least one Ethernet interface assigned to it.

B.vlan_100 does not have an Ethernet interface assigned to it.

C.vlan_100 might have an active Ethernet interface assigned to it.

D.vlan_100 does not have an active Ethernet interface assigned to it.

Correct Answer: D

Section: Volume B

Explanation

Explanation/Reference:

QUESTION 236

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An Ethernet bridge is configured such that all interfaces are in a single broadcast domain. Which two tasks does the bridge perform in response to receiving a frame with an unknown unicast destination MAC address? (Choose two.)

A.It drops the frame.

B.It floods the frame out of all interfaces except the one on which is was received.

C.It learns the destination MAC address.

D.It learns the source MAC address.

Correct Answer: BD

Section: Volume B

Explanation

Explanation/Reference:

QUESTION 237

You have configured multiple IP-IP tunnels across your network to provide connectivity to remote sites. Which technique is used to help the IP endpoints in your network determine the optimal packet size to send across your tunnels?

A.path MTU discovery

B.fragmentation discovery

C.end-to-end MTU discovery

D.packet throughput discovery

Correct Answer: A

Section: Volume B

Explanation

Explanation/Reference:

QUESTION 238

You have configured an RSVP LSP in your network and have assigned it one primary and two secondary paths. Which command is used to validate that the LSP is using the primary path?

A.show rsvp interface

B.show rsvp version

C.show rsvp neighbor detail

D.show rsvp session detail

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Correct Answer: D

Section: Volume B

Explanation

Explanation/Reference:

QUESTION 239

What are two uses of the AS-path attribute? (Choose two.)

A.It is used in BGP route selection.

B.It is used to ensure that a packet traverses the least number of routers.

C.It is used by IGPs to avoid loops within an autonomous system.

D.It is used to avoid routing loops between autonomous systems.

Correct Answer: AD

Section: Volume B

Explanation

Explanation/Reference:

QUESTION 240

Which IS-IS packet is used to carry routing updates?

A.IIH

B.LSP

C.PSNP

D.CSNP

Correct Answer: B

Section: Volume B

Explanation

Explanation/Reference:

QUESTION 241

Which three statements are true regarding the show system switchover operational mode command? (Choose three.)

A. This command can only be issued on the master Routing Engine.

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