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Nokia 4A0-C01 - Nokia NRS II Composite Exam

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Page: 10 / 13
Total 852 questions

In IS-IS, which of the following regarding an L1/L2 router is FALSE?

A.

An L1/L2 router can have adjacencies with routers in different areas.

B.

An L1/L2 router calculates separate SPF trees for the Level 1 and Level 2 topology.

C.

An L1/L2 router advertises its L2 routes to other L1 routers in the same area.

D.

An L1/L2 router sets the ATT bit in L1 LSPs to indicate that it has routes to other areas.

Which of the following about IS-IS level hierarchies is FALSE?

A.

Level 2 routers interconnect the Level 1 areas.

B.

There must be a contiguous Level 2 backbone to enable routing throughout the entire network.

C.

Level 1 routers send packets to the nearest L1/L2 router if the destination is in a different area

D.

Level 2 routers store the Level 1 and Level 2 topology information in a single database.

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 button below.

Given the configuration shown, how much of a link's 100Mbps reservable bandwidth can an LSP access when configured for class-type 0 and priority 1?

A.

10Mbps

B.

20Mbps

C.

30Mpbs

D.

60Mbps

E.

70Mbps

Which of the following is described by the following statement? An LSR propagates a label mapping only for a FEC for which it has a label mapping for the FEC next-hop.

A.

Independent control mode

B.

Ordered control mode

C.

Liberal label retention

D.

Conservative label retention

E.

Downstream on demand.

Click on the exhibit.

Which of the following would you expect to see in router R4's OSPF database?

A.

Option A

B.

Option B

C.

Option C

D.

Option D

Click on the exhibit.

Router R1 learns the network 192.168.3.0/24 from IS-IS. Given the OSPF configuration shown, why isn't the 192.168.3.0/24 route in router R3's route table?

A.

The route policy should be applied as an import policy.

B.

The route policy should say "from protocol isis" instead of "from protocol direct".

C.

The ASBR configuration should be removed.

D.

The interface between routers R1 and R3 must be in OSPF area 0.

An Alcatel - Lucent 7750 SR receives a route from an IS-IS LSP with internal reachability, and receives the same route from an OSPF Type 5 LSA. If all protocol preferences are default, which route will be installed in the route table?

A.

The route learned from IS-IS will be installed.

B.

The route learned from OSPF will be installed.

C.

Both routes will be installed.

D.

There is not enough information to answer the question

Click on the exhibit.

The routers have an established IS-IS L2 adjacency on which IPv4 system addresses are exchanged. An operator successfully configures multi-topology IS-IS routing so that the IPv6 system addresses are also exchanged between routers.

After IPv6 has been configured, which of the following is TRUE?

A.

Router R2 has two IS-IS-adjacencies and two LSPs.

B.

Router R2 has two IS-IS-adjacencies and four LSPs.

C.

Router R2 has two IS-IS-adjacencies and three LSPs.

D.

Router R2 has four IS-IS-adjacencies and six LSPs.

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.

The operator of an IS-IS network wishes to have link metrics dynamically calculated in the same manner as OSPF. The router with system address 10.10.10.1 is one hop away on a 1 Gbps link

Which of the following is correct?

A.

The router is correctly configured.

B.

A reference-bandwidth is not configured on the router.

C.

A reference-bandwidth is configured on the router but wide-metrics is not.

D.

The interface metric must be manually configured to 100.

Click on the exhibit button below.

Given the configuration below, which of the following commands would enable fast reroute on the LSP? Choose two answers

A.

This configuration already is configured for FRR.

B.

fast-reroute facility

C.

fast-reroute one-to-one

D.

secondary

E.

standby

In a Layer 2 encapsulation, using Martini, what does the first (top) label represent?

A.

Tunnel Label

B.

VC Label

C.

Operational Control Word

D.

UNI

E.

NNI

What happens when a packet without a VLAN tag is received on a SAP provisioned with null encapsulation while an SDP vc-type is provisioned as vlan?

A.

The frame is dropped.

B.

The service ID is added as the VLAN tag.

C.

A VLAN tag of 0 is added as the provider VLAN tag

D.

The frame is forwarded with no VLAN tag

Which of the following statements is FALSE regarding SAPs?

A.

VPWS: SAPs can be defined on Ethernet, POS, Sonet/SDH, or TDM channels.

B.

VPWS: Two SAPs are defined for a service that originates and terminates on the same Alcatel-Lucent 7750 SR

C.

VPLS: More than two SAPs can be defined in a service.

D.

VPWS: SAPs are associated with an IP interface.

Which of the following regarding the location of an MPLS label is FALSE?

A.

The MPLS label value may be carried in an ATM header.

B.

The MPLS label value may be carried in a shim header.

C.

The MPLS label value may be carried in an OSPF header.

D.

The MPLS label value may be carried in a Frame Relay header.

An LSP is configured with a fully loose path and CSPF is not enabled. An LSR receives the first PATH message for this LSP. Which of the following is NOT performed by the LSR?

A.

The LSR regenerates and forwards a new PATH message.

B.

The LSR stores the PATH message in the PSB.

C.

The LSR forwards the PATH message based on the HOP object in the RSB.

D.

The LSR looks up the PATH message's destination IP address in the FIB.

Click on the exhibit.

A fully loose LSP "toR6" is configured. All links have the same cost and all routers are Alcatel-Lucent 7750 SRs. The LSP currently traverses the path R1-R2-R7-R8-R4-R6 and the resignal timer is enabled. Which of the following about this LSP is FALSE?

A.

The LSP will switchover to another path if a failure occurs.

B.

The LSP will switchover to a better path as soon as it is available.

C.

CSPF must be enabled for this LSP to attempt to find a better path.

D.

The LSP will switchover to a better path in a MBB fashion.

In a Layer 2 encapsulation, using Martini, what does the second (bottom) label represent?

A.

Tunnel Label

B.

VC Label

C.

Operational Control Word

D.

VPI

E.

VCI

When configuring distributed services across a network, it is considered best practice to configure which of the following parameters as globally significant? (Choose 2)

A.

SDP ID

B.

Service ID

C.

Customer ID

D.

SAP ID