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Click the exhibit button.

If router R2 redistributes the IS-IS route to 192.168.3.0/24 into OSPF, router R3 will receive two routes to 192.168.3.0/24. What will be the preference of these two routes? Assume that all IS-IS routers are L1/L2 capable and are in the same area. Choose two answers.

A.

The OSPF internal preference

B.

The IS-IS Level 1 internal preference

C.

The IS-IS Level 2 internal preference

D.

The OSPF external preference

E.

The IS-IS Level 2 external preference

F.

The IS-IS Level 1 external preference

During node protection signaling, the PLR knows the address of the MP from which of the following methods?

A.

The PLR issues a RSVP path message to the destination router to request the address of the MP.

B.

The PLR learns the address of the MP from the ERO.

C.

The PLR learns the address of the MP from the RRO

D.

The PLR learns the address of the MP from the targeted RSVP hello message.

E.

The PLR does not need to know the address of the MP.

Click on the exhibit.

What triggers convergence of the routing protocol when the link between switch 1 and switch 2 goes down?

A.

Convergence is triggered when the adjacency between routers R1 and R2 drops as a result of hello timeouts.

B.

Convergence is triggered when the physical interfaces between routers R1 and R2 go down.

C.

Convergence will not be triggered because switches cannot run routing protocols between them.

D.

Convergence is triggered when the switches notify the routers about the link-state info.

E.

Convergence is triggered when an LSA is sent from router R1 to router R2 to indicate that the link is down.

Which of the following route types must be manually configured and will not re-route traffic when a link failure occurs in its path?

A.

A route from IS-IS.

B.

A route from OSPF.

C.

A floating static route.

D.

A static route.

Click on the exhibit.

Given the contents of the Router LSA, which of the following best describes the local topology of the router?

A.

The router has a system interface, one point-to-point interface and one virtual link.

B.

The router has a system interface, one passive interface, one point-to-point interface and one virtual link.

C.

The router has a system interface, one point-to-point interface and one broadcast interface.

D.

The router has a system interface, one passive interface, one point-to-point interface and one broadcast interface.

Click on the exhibit.

Router R4 is being added to the network and it is connected to a non-OSPF domain.

Which area type should be used for Area 1 to allow the external routes to be advertised into Area 0?

A.

Backbone

B.

NSSA

C.

Stub

D.

Totally stubby

Click on the exhibit.

Examine the physical topology of the IS-IS network, the metrics of the links and the levels of the routers. All routers have a system address included in IS-IS.

Which of the following describes the route that router R4 will use to reach the system address of router R6?

A.

Router R4 will have a route to router R6's system address with router R2 as the next-hop.

B.

Router R4 will have a default route with router R2 as the next-hop.

C.

Router R4 will have a default route with router R3 as the next-hop.

D.

Router R4 will not have a route that can be used to reach the system address of router R6.

Click on the exhibit.

Router R1 distributes its globally routed address and its loopbacks into IS-IS. Routers R2 and R4 have their globally routed addresses in IS-IS.

How many routes will router R4 have in its IPv6 route table?

A.

2

B.

3

C.

4

D.

5

E.

6

F.

7

Click on the exhibit button below.

Consider the following:

    Routers R1 and R4 are in Area 1.

    Routers R4 and R5 in Area 0.

    Routers R5 and R3 are in Area 2.

To support LDP-over-RSVP tunnels between routers R1 and R3 over path R1-R4-R5-R3, with which routers will router R5 require targeted sessions? (Choose two)

A.

Router R1

B.

Router R4

C.

Router R2

D.

Router R3

Which of the following statements regarding per-platform label space are true? Choose two answers.

A.

A separate label is used for each interface that the FEC is advertised on.

B.

It uses fewer label resources than a per-interface label space.

C.

It is typically used when the device has ATM or Frame Relay interfaces.

D.

It uses more label resources than a per-interface label space.

E.

A single label may be assigned to an FEC and used across all interfaces of the same router.

F.

It is only valid when the LDP peers are directly connected over an interface, and the label is only going to be used for traffic sent over that interface.

The following are statements about fields in the Hello packet that must match in order to form an OSPF adjacency. Which statement is correct?

A.

The area ID does not have to match.

B.

The value of the E bit in the options field does not have to match.

C.

The value of the Hello interval does not have to match.

D.

The value of the network mask does not have to match.

E.

The area ID, the E bit value, the Hello interval and network mask must all match.

Which of the following are top level TLV types defined for OSPF-TE? Choose two answers.

A.

Router address

B.

Traffic engineering metric

C.

Maximum bandwidth

D.

Link

E.

Admin Group

Which of the following best describes how the path-mlu is chosen for an SDP?

A.

An SDP does not have a path-mtu

B.

The path-mtu must be set by the administrator.

C.

By default, the path-mtu is calculated automatically from the network port MTU of the PE router.

D.

The path-mtu is calculated based on the service MTU of the service using the SDP.

E.

The path-mtu is signaled between the PE endpoints when the service is established.

Two directly connected routers set different interface Hello timeout values. Router R1 uses 15 seconds, while router R2 uses 30 seconds. Which of the following best describes the LDP adjacency?

A.

The adjacency forms with the lower timeout value.

B.

The adjacency forms with the higher timeout value.

C.

The adjacency is in init state.

D.

The adjacency times out after 30 seconds.

Which of the following statements is FALSE regarding 6VPE?

A.

Multiple MP-BGP sessions are required to carry VPN-IPv4 and VPN-IPv6 routes.

B.

PE routers must support both IPv4 and IPv6 addresses; customer routers can use either one

C.

In 6VPE, MP-BGP is used to advertise IPv6 prefixes and the associated VPRN label.

D.

In 6VPE, the provider core routers are IPv6-unaware.

E.

All of the above statements are true.

F.

All of the above statements are false.

Click on the exhibit.

An LSP path is established on router R1 toward router R6. After router R4 detects that the link between routers R4 and R6 goes down, which of the following will affect the failure propagation time?

A.

The time router R4 takes to send a PATH Error message toward the head-end router.

B.

The time router R4 takes to detect RSVP Hello message timeout from router R6.

C.

The time router R4 takes to send a RESV Error message to the head-end router.

D.

The time router R1 takes to signal an alternate path through router R3.

Which of the following is NOT required to configure an Alcatel-Lucent 7750 SR as a PE router running 6PE?

A.

Configure BGP with the IPv6 address family.

B.

Configure BGP to add IPv6 Explicit Null labels.

C.

Configure a route policy to export IPv6 routes into BGP.

D.

Configure the nexthop core router as a BGP peer.

Which of the following about LDP-over-RSVP is TRUE?

A.

RSVP LSPs must exist between each PE-ABR pair, or ABR-ABR pair in each area.

B.

When LDP-over-RSVP is active, the LDP prefixes are resolved to a physical egress interface.

C.

Targeted sessions must exist between all routers along the tunnel path.

D.

Link LDP sessions must exist between each ABR-ABR pair in each area.

What action does a router perform when it looks up the label of an incoming packet in its LFIB and sees that the LFIB maps to an egress label of 3?

A.

It requests a new label from the peer that provided this label.

B.

It pops the label.

C.

It pushes an additional label onto the label stack.

D.

It signals a new label to the peer that sent the packet.

Which of the following about T-LDP is FALSE?

A.

Link-based and T-LDP sessions may be configured on the same LSR.

B.

T-LDP supports sessions between non-directly connected devices.

C.

T-LDP can be configured between directly connected devices.

D.

T-LDP Hello messages are sent to a multicast address.