Ensurepass

QUESTION 1

Which statements are correct for forwarding traffic into MPLS TE tunnels? (Choose three.)

 

A.

Autoroute causes the tunnel to be treated as a directly connected link to the head-end.

B.

Autoroute causes the TE head-end to establish IGP adjacency with the tail-end over the tunnel.

C.

Forwarding adjacency makes the TE head-end node advertise the Tunnel LSP into the IGP.

D.

Forwarding adjacency supports unequal cost load balancing over multiple TE tunnels.

 

Correct Answer: ACD

 

 

QUESTION 2

IP over DWDM management models (Choose two.)

 

A.

Segmented Management

B.

Integrated Management

C.

Virtual Transponder

D.

Traffic Management

 

Correct Answer: AB

Explanation:

1.2. IP over DWDM IPoDWDM supports 2 network management models:

1. Segmented Management:

Retain existing operational model for certain SPs.

Respect boundaries between IP/Transport groups.

2. Integrated Management:

End to end provisioning.

Better troubleshooting.

1 Management system, 1 database.

Unified look & feel.

Lower OPEX.

 

Lay the Foundation for Network Convergence

IP over dense wavelength-division multiplexing (IPoDWDM) is a technology pioneered by Cisco that delivers superior service flexibility, scalability, and resiliency. It allows carriers to capitalize on increasingly bandwidth intensive and complex applications for next-generation

Internet innovations and collaborative business services.

 

Enhance Your IP Transport Through Innovation

IPoDWDM collapses network layers by tightly integrating DWDM interfaces with the routing platform. This increases efficiency, simplifies management, and accelerates service delivery. Combined with industry-leading omnidirectional and colorless reconfigurable optical add/drop multiplexer (ROADM) technology, IPoDWDM educes service truck rolls, power consumption, and space and cooling requirements. Numerous providers now use the power of IPoDWDM to distribute video content rapidly and efficiently over an all-IP network. They can provision additional network capacity instantly as demand increases for any-play consumer and managed business services. The Cisco IPoDWDM solution reduces transport elements, while supporting advanced multilayer features such as proactive protection and control plane interaction, dramatically reducing operating expenses and capital costs.

Benefit from Valuable Product Enhancements

 

The Cisco IPoDWDM solution features:

Ultra long haul 100 Gb IPoDWDM capability, using the Cisco CRS 1-Port 100 Gigabit Ethernet Coherent

DWDM Interface Module

100 Gb coherent regeneration using the single-slot, 100 Gb trunk card on the ONS 15454 Multiservice

Transport Platform (MSTP), fully compatible with proactive protection.

Proactive protection on the Cisco ASR 9000 Series 2-Port and 1-Port 100 Gigabit Ethernet Line Cards

Industry-leading 10 Gb IPoDWDM density on the ASR 9000 Series 36-Port and 24-Port 10

Gigabit Ethernet

Line Cards

Complete Generalized Multiprotocol Label Switching (GMPLS) interoperability between the CRS-3, ASR 9000, and ONS 15454 MSTP

 

 

QUESTION 3

In PIM-SM operations, the first router connected to the multicast source sends the Register message to which device?

 

A.

Designated Router (DR)

B.

Multicast source

C.

Multicast receiver

D.

RP mapping agent

E.

RP

 

Correct Answer: E

Explanation:

A multicast data sender just starts sending data destined for a multicast group. The sender’s local router (DR) takes those data packets, unicast-encapsulates them, and sends them directly to the RP. The RP receives these encapsulated data packets, decapsulates them, and forwards them onto the shared tree. The packets then follow the (*,G) multicast tree state in the routers on the RP Tree, being replicated wherever the RP Tree branches, and eventually reaching all the receivers for that multicast group. The process of encapsulating data packets to the RP is called registering, and the encapsulation packets are known as PIM Register packets.

 

 

QUESTION 4

Routes redistributed into an OSPF ASBR are which LSA type?

 

A.

LSA type 6

B.

LSA type 1

C.

LSA type 2

D.

LSA type 5

E.

LSA type 3

F.

LSA type 4

 

Correct Answer: D

 

 

QUESTION 5

In a frame, the MPLS label is imposed where?

 

A.

Before the layer 2 header

B.

Within the Layer 3 header

C.

After the Layer 3 header and before Layer 2 header

D.

After the Layer 2 header and before Layer 3 header

 

Correct Answer: D

Explanation:

Where will the label be imposed in a packet?

A.The label is imposed between the data link layer (Layer 2) header and network layer (Layer 3) header. The top of the label stack appears first in the packet, and the bottom appears last. The network layer packet immediately follows the last label in the label stack.

 

 

QUESTION 6

What is the encapsulation mode for MPLS running on Ethernet?

 

A.

Transparent mode.

B.

Frame mode

C.

Channel mode

D.

Packet mode.

E.

Tunnel mode.

 

Correct Answer: B

 

 

QUESTION 7

Which two statements about EIGRP are true? (Choose two)

 

A.

EIGRP supports VLSM, route summarization, and routing update authentication.

B.

If the feasible successor has a higher advertised distance than the successor route, it becomes the primary route.

C.

Passive routes are in the process of being calculated by DUAL.

D.

EIGRP exchanges full routing table information with neighboring routers with every update.

E.

A query process is used to discover a replacement for a failed route if a feasible successor is not identified from the current routing information.

 

Correct Answer: AE

 

 

QUESTION 8

Which three components are included in the Cisco IOS XR infrastructure? (Choose three.)

 

A.

modular line cards

B.

shelf controllers

C.

route processors

D.

service processors

E.

distributed service cards

 

Correct Answer: BCD

Explanation:

1.4. SP high end product

1.4.01. IOS-XR structure

Distr
ibuted Infrastructure

The kernel is replicated across the router infrastructure. The services and client applications can be distributed across the router infrastructure. The infrastructure includes route processors (RPs), distributed route processors (DRPs), service processors (SPs), shelf controllers (SCs), modular service cards (MSCs), and line cards (LCs).

 

 

QUESTION 9

Regarding to EIGRP protocol, a “successor” is:

 

A.

A neighbor that has met the feasibility condition

B.

A neighbor that has met the feasibility condition and has the lowest cost path towards the destination

C.

Any neighbor that is in the path towards the destination.

D.

Any neighbor that is in the path towards the destination and whose reported distance equals the feasible distance.

 

Correct Answer: B

 

 

QUESTION 10

Which three statements about OSPF partial SPF are true? (Choose three)

 

A.

If it is triggered by Type 4, all Type 4 LSAs that announce a certain ASBR and all Type 5 and 7 LSAs are processed

B.

If it is triggered by Types 5 and 7, all Type 5 and 7 LSAs that contribute to a certain destination are processed.

C.

If it is triggered by Type 2, all Type 2 LSAs that contribute to a certain destination are processed.

D.

It is triggered by the change of Type 3, 4, 5, and 7 LSAs.

E.

It is triggered by the change of Type 2, 3, 5, and 7 LSAs

 

Correct Answer: ABD

Explanation:

Executed on a change in a type-3/4/5/7 LSA (as per sections 16.5 and 16.6 of RFC2328)

If there is a change in a type-1 or type-2 LSA, it affects the topology of the area and so a full SPF must be run.

 

Free VCE & PDF File for Cisco 400-201 Real Exam

Instant Access to Free VCE Files: CCNA | CCNP | CCIE …
Instant Access to Free PDF Files: CCNA | CCNP | CCIE …

Comments are closed.