A customer requests that sites are connected over an MPLS backbone using the MPLS AToM
service. However, the network engineer advises that the MPLS L3VPN service may be better for
this situation. Which characteristic of MPLS L3VPN may make it a better option from the Service
Provider perspective?
A. Reduction of operational complexity.
B. Support for multiple network layer protocols, such as IP, IPX, and SNA
C. Customer Layer 2 information will be maintained over the service provider core.
D. Transparent to the customer
Answer: A
QUESTION NO: 397
R1 and R2 have a static default route that is configured to point toward the ISP. Both R1 and R2
routers redistribute the default route into OSPF. R2 is the primary gateway toward the ISP and R1
is the backup gateway. All link metrics are the same. Which two steps ensure that traffic to the ISP
flows through R2 when the network works properly? (Choose two.)
A. Modify the preference value of the default route on R1 so that it is less preferred than OSPF
external routes.
B. Modify the preference value of the default route on R2 so that it is less preferred than OSPF
external routes.
C. Redistribute the default route as a type 1 external route on R1 and a type 2 external route on
R2.
D. Redistribute the default route as a type 2 external route on R1 and a type 1 external route on
R2.
E. Redistribute the default route on R1 with a higher metric than the existing metric of the
distributed default route on R2.
Answer: A,D
QUESTION NO: 398
Refer to the exhibit.
A company is deploying IPv6 using a dual-stack approach. OSPFv2 is used for IPv4 routing and is
redistributed into the BGP IPv4 address family. The network engineer also needs to enable
OSPFv3 for IPv6 routing using the same design that is used for OSPFv2. All prefixes in the
OSPFv3 database must be redistributed into the BGP IPv6 address family at router R2, but R3
does not receive the loopback 0 IPv6 address of R2 via BGP. Which action will fix this problem?
A. redistribution of BGP routes into OSPFv3
B. redistribution of OSPFv3 routes into BGP with include-connected
C. mutual redistribution of OSPFv3 and BGP routes
D. redistribution of connected OSPFv3 routes
Answer: B
A network engineer is tasked with supporting traffic discrimination over MPLS traffic engineering
tunnels. To allocate restricted bandwidth to a certain type of traffic with no QoS degradation, which
technique must be used?
A. integrated services
B. MPLS TE Diff-Serv full allocation model
C. MPLS TE Diff-Serv Russian doll model
D. IP precedence
Answer: C
QUESTION NO: 400
In an OSPF domain, four routers are running the OSPF protocol over a LAN switch in a broadcast
domain. What is the expected output of executing the show ip OSPF neighbor command on the
router that is neither a DR nor a BDR?
A. one FULL state, two 2WAY states
B. two FULL states, one 2WAY state
C. three FULL states
D. three 2WAY states
Answer: B
QUESTION NO: 401
A security risk has been discovered on the Service Provider MPLS core network during a network
audit. Traceroute between the customer sites displays IP addresses of the Service Provider MPLS
core. What should be done to hide the IP addresses of the Service Provider MPLS core from the
customer traceroute utility?
A. Configure an access list to block traceroute traffic.
B. Apply the no mpls ip propagate-ttl forward command.
C. Enable MPLS LDP session protection.
D. Configure an LDP label allocation filter.
E. Apply the no mpls ip propagate-ttl local command.
Answer: B
QUESTION NO: 402
An engineer is configuring a Cisco CRS-1 Multishelf System. Which option describes the minimum
LCC and FCC requirements for proper functionality?
A. two LCCs and one FCC
B. one LCC and one FCC
C. two LCCs and two FCCs
D. one LCC and two FCCs
Answer: B
QUESTION NO: 403
Refer to the exhibit.
Which command group does a network administrator use to filter out R3 (3.3.3.3 subnet) from the
R4 routing table?
A. R4(config)# router ospf 1
distribute-list prefix-list filter in
B. R2(config)# router ospf 1
distribute-list prefix-list filter out Fa0/1
C. R4(config)# router ospf1
distribute-list prefix-list filter in Fa 0/0
D. R3(config)# router ospf 1
distribute-list prefix-list filter out Fa 0/0
Answer: A
QUESTION NO: 404
In an OSPF domain, four routers have OSPF neighborship over a broadcast domain. What is the
expected state after running the show ip OSPF neighbor command on the OSPF designated
router?
A. one FULL state, two 2WAY states
B. two FULL states, one 2WAY state
C. three FULL states
D. three 2WAY states
Answer: C
QUESTION NO: 405
Refer to the exhibit.
Router 2 connects OSPF area 1 and area 0. Router 2 receives LSA type 1 from Router 1 in area
1. How many type 3 LSAs will be generated by Router 2 into area 0 to advertise all prefixes that
are announced by the Router 1 LSA type 1 packet?
B. 2
C. 3
D. 4
Answer: C
QUESTION NO: 406
Two OSPF neighbor routers are stuck in the EXSTART state. After a while, the neighborship goes
down. A network engineer is debugging the issue when both routers show the OSPF log message
"too many retransmissions." What is the possible root cause?
A. OSPF area mismatch
B. OSPF hello-interval mismatch
C. interface MTU mismatch
D. interface network type mismatch
Answer: C
Explanation:
QUESTION NO: 407
Refer to the exhibit.
Routers R1 and R2 have exchanged label binding information. What is preventing the labels from
populating the MPLS forwarding table?
A. MTU on the serial interface cannot accommodate labels.
B. Cisco Express Forwarding is not running.
C. The MPLS label distribution protocol is mismatched.
D. Inbound access list 100 is applied on the serial interface.
Answer: B
QUESTION NO: 408
A router is able to assign labels to the prefixes and MPLS is enabled on all of the router interfaces.
However, this router is unable to establish an LDP session with its LDP neighbors. What could be
the cause of this problem?
A. ip cef is not enabled.
B. mpls ip is missing in the global configuration mode.
C. The LDP router ID is unreachable.
D. LIB has no label.
Answer: C
QUESTION NO: 409
A network engineer is responsible for provisioning LDP and IGP over the IP core network to
maintain the MPLS functionality as a day-to-day task. The IP engineer is looking for automation
opportunities. Which feature allows the LDP protocol to be automatically enabled on interfaces
that run IGP on the routers?
A. MPLS LDP autoconfiguration
B. MPLS LDP discovery
C. MPLS LDP-IGP synchronization
D. MPLS LDP session protection
Answer: A
QUESTION NO: 410
A network engineer wants to avoid route looping in an internal BGP. Which two BGP attributes are
used by a route reflector to avoid this issue? (Choose two.)
A. originator ID
B. secure ID
C. cluster ID
D. network ID
E. reflector ID
Answer: A,C
QUESTION NO: 411
Refer to the exhibit.
R3 is not able to install the R1 loopback address into its BGP routing table. What should be
configured to install that route?
A. Configure R2 as a route reflector.
B. Enable EBGP multihop on R2.
C. Change the origin attribute to IGP on R3.
D. Configure the next-hop-self command on R2.
E. Configure the next-hop-unchanged command on R2.
F. Add a static route to reach 10.10.23.2 on R3.
Answer: D
Explanation:
QUESTION NO: 412
Refer to the exhibit.
ISP-X customers must be able to reach both ISP-Y and ISP-Z, but ISP-X must not allow transit
traffic between ISP-Y and ISP-Z at any time. Which two options satisfy this requirement? (Choose
two.)
A. Use the MED to prefer the proper routes.
B. Use communities to identify and filter routes.
C. Use the atomic aggregate attribute.
D. Use a route map to filter routes on the AS number.
E. Use local preference to prefer the routes.
Answer: B,D
QUESTION NO: 413
A network engineer is having trouble overcoming a BGP rule: "an EBGP neighbor address
information is carried in the IBGP advertisement. This information does not change to the local
ASBR address". Which BGP attribute can be modified to solve this network reachability issue in
this type of scenario?
A. AS path
B. origin
C. weight
D. next-hop
Answer: D
QUESTION NO: 414
The SP core supports PIM-SM for multicast traffic, but one of these routers is not able to see one
of its PIM neighbors. What is the most likely cause of this issue?
A. The router is an RP with high priority.
B. IGMP snooping is not enabled.
C. PIM sparse mode is not enabled on a participating multicast interface.
D. PIM protocols are not enabled in global configuration mode.
E. Auto-RP is not enabled on this network.
Answer: C
QUESTION NO: 415
Refer to the exhibit.
There are receivers that are registered at the RP. If the source begins sending multicast traffic
toward R1, how will R1 handle that traffic?
A. R1 forwards the multicast packets on the (S, G) tree toward the RP.
B. R1 encapsulates the multicast packets into a PIM register multicast packet.
C. R1 encapsulates the multicast packets into a PIM join unicast packet.
D. R1 tunnels the multicast packets in PIM register messages toward the RP.
Answer: D
QUESTION NO: 416
A network architect is tasked to design and deploy multicast in a service provider core. There is a
requirement to have two PIM RP routers for PIM-SM distribute mode. What can the network
architect do to satisfy this requirement?
A. Set two RPs with same priority.
B. Set two RPs, one with high priority and the other with low priority.
C. Set one RP as the main RP and another as a backup RP.
D. Set the RP-BSR method with one high-priority RP and one low-priority RP.
Answer: D
QUESTION NO: 417
Which three of these options can be a forwarding equivalence class? (Choose three.)
A. groups of IP addresses
B. bridge or switch instance
C. traffic engineering tunnel
D. IPsec tunnel
E. routing equivalence paths
F. a bgp prefix
Answer: A,B,C
QUESTION NO: 418
Which two statements best describe the functionality of the BGP graceful restart capability?
(Choose two.)
A. The peer router sends an end-of RIB message to the restarting router.
B. The peer router immediately removes the BGP routes that it learned from the restarting router
from its BGP routing table.
C. The restarting router does not remove any stale prefixes after the timer for stale entries expires.
D. The router establishes BGP sessions with other routers and relearns the BGP routes from other
routers that are also capable of graceful restart. The restarting router waits to receive updates
from the neighboring routers. When the neighboring routers send end-of-RIB messages to indicate
that they are done sending updates, the restarting router starts sending its own updates.
E. The restarting router removes any stale prefixes after the timer for stale entries expires.
Answer: D,E
QUESTION NO: 419
Refer to the exhibit.
Based on the topology, the BGP configuration in R1, and the outputs from R1 and R2; identify why
was subnet 33.33.33.33/32 not received on the R2 BGP table?
A. R2 is not a route reflector client for R1.
B. R1 is configured to suppress all inactive (RIB failure) routes.
C. The 33.33.33.33/32 subnet must be learned through BGP.
D. The 11.11.11.11/32 subnet exists in the routing table.
Answer: D
QUESTION NO: 420
Refer to the exhibit.
The R1 and R2 routers are running OSPF, LDP, and BGP. Why is the label for 1.1.1.1 prefix
absent in the R2's MPLS forwarding table?
A. IP MTU cannot accommodate labels.
B. The MPLS tunnel is not enabled for the Fast Ethernet 0/0 interface.
C. The subnet is not learned via OSPF.
D. The bgp send-label command is not enabled between R1 and R2.
Answer: C
A network engineer is redistributing BGP prefixes into RIP. These prefixes are unreachable in the
RIP network. Which the two actions could resolve the issue based on this scenario? (Choose two.)
A. Enable BGP synchronization.
B. Enable BGP AS-override.
C. Rewrite RIP hop count for the redistributed prefixes.
D. Enable internal BGP redistribution.
E. Rewrite BGP next hop.
F. Apply BGP next-hop-self.
Answer: C,D
Which are the three mandatory BGP attributes? (Choose three.)
A. AS path
B. origin
C. local preference
D. next hop
E. MED value
F. communities
Answer: A,B,D
An engineer is designing a security method for a service provider company that needs to secure
BGP peering with external peers. Based on the options provided, which three security precautions
should be taken? (Choose three.)
A. Enable BGP neighbor authentication with MD5.
B. Enable the BGP Time to Live Security Check feature.
C. Limit the AS path length.
D. Disable ebgp-multihop.
E. Enable bgp bestpath as-path ignore.
F. Enable bgp-policy.
QUESTION NO: 424
Refer to the exhibit.
Each AS domain contains more than one BGP router. Site-B sends traffic to ISP-1 over a directly
connected link, but Site-B is not used as an AS transit for the ISP-1 backbone. How should the
routes be advertised by ISP-1 towards Site-B to accomplish this task?
A. Prefixes from site-A should be advertised with the no-export community
B. Prefixes from site-B should be advertised with the no-export community
C. Prefixes from site-B should be advertised with the no-advertise community
D. Prefixes from site-A should be advertised with the as-path prepend attribute
E. Prefixes from site-A should be advertised with the no-advertise community
Answer: B
A customer is connected to a service provider by a low-speed link and wants to increase the
bandwidth of this connectivity without creating additional IP addresses. Multiple physical links with
the same bandwidth value are already available between the customer and the service provider.
Which technology can be used to achieve these requirements?
A. HDLC
B. PPTP
C. Multilink PPP
D. Frame Relay
Answer: C
QUESTION NO: 426
A company has a backup T1 link to its corporate head office. To minimize costs, the company will
use the T1 link only for email downloads from the corporate email server. The PPP dialer initiates
only when the internal server initiates an email connection to the corporate email server. However,
the PPP connection does not disconnect after emails are downloaded. What is the cause of this
issue?
A. The dialer-map command is not configured.
B. The interface is not added in the dialer-group command.
C. The dialer-list command is incorrectly configured.
D. The dialer time-out command is not configured.
Answer: C
QUESTION NO: 427
A router is unable to route packets over a PPPoE link. What could be the cause of this issue?
A. incorrect IPCP connection for the agreed-upon IP address
B. incorrect dialer map profile
C. incorrect username of the PPP connection
D. incorrect access list
Answer: B
QUESTION NO: 428
Two routers that use a POS interface are connected back-to-back. The interfaces are operational
with no alarms appearing. When the routers are connected using an SDH network, alarms appear
on the router and the interface status goes down. Which action will fix this issue?
A. Reset the POS interface.
B. Check the ADM switch for correct framing.
C. Change the framing type on the router POS interface.
D. Swap the POS interface.
Answer: C
QUESTION NO: 429
Refer to the exhibit.
The link payload rate is subdivided into multiple fixed-rate channels. In addition, the data rate of a
single cell or packet flow is limited by the bandwidth of an individual channel. If the link is an OC-48, into how many channels can the link be subdivided?
A. four OC-12 channels
B. two OC-24 channels
C. one OC-48 channel
D. three OC-16 channels
Answer: A
QUESTION NO: 430
A company is using a Layer 2 Frame Relay network. Which circuit emulation will a network
engineer use to extend the customer Frame Relay network over the Service Provider backbone?
B. L3VPN
C. AToM
D. VPLS
Answer: C
QUESTION NO: 431
Refer to the exhibit.
An MPLS VPN service has been provisioned for an ABC customer. Based on the output from the
VRF BGP configuration of PE1 and PE2, which statement describes the route exchange between
ABC site 1 and site 2?
A. Only CE1 will be able to install CE2 BGP updates in its BGP table.
B. Only CE2 will be able to install CE1 BGP updates in its BGP table.
C. CE1 can install the CE2 subnets in its BGP table and CE2 can install the CE1 subnets its BGP
table.
D. CE1 cannot install the CE2 subnets in its BGP table and CE2 cannot install the CE1 subnets its
BGP table.
E. "as-override" feature cannot be used in this scenario.
Answer: A
QUESTION NO: 432
A network engineer observes increasing output drops on the serial interface. Which two solutions
can be implemented to minimize these drops? (Choose two.)
A. Increase the MTU size on the link.
B. Replace the serial cable between the connecting devices.
C. Turn on fast switching.
D. Increase the output hold queue size.
E. Implement priority queuing on slower serial links by configuring priority lists.
Answer: D,E
QUESTION NO: 433
A network engineer is connecting a router that is not manufactured by Cisco to a Cisco 7613
Router with a 10 Gigabit Ethernet Route Switch Processor uplink interface. The uplink interface is
not in shutdown mode, but the interface does not come up. What is the most likely cause of the
issue in this scenario?
A. The remote device does not support 10 Gigabit Ethernet.
B. Autonegotiation is enabled.
C. There is a faulty interface.
D. There is a faulty cable.
Answer: B
QUESTION NO: 434
An ISP provides DSL services to home customers. Each customer is given a username and a
password. The ISP RADIUS server is configured to send a challenge to its clients along with the
server hostname. Which two protocols should be used to deliver this service? (Choose two.)
A. PPP
B. PPPoE
C. PAP
D. CHAP
E. HDLC
Answer: B,D
QUESTION NO: 435
Refer to the exhibit.
A home office user sends IP datagrams from the local router, which sends Ethernet datagrams to
the DSL modem. The DSL modem encapsulates the Ethernet frames in which frame format before
sending them over the physical DSL link to DSLAM?
A. RFC 1483
B. PPPoE
C. PPPoA
D. IP over ATM
Answer: A
QUESTION NO: 436
Refer to the exhibit.
An engineer is looking the CE1 routing table for CE2 Loopback 0. Each CE runs OSPF with its PE.
Which statement describes why the CE2 Loopback address is installed as an external OSPF route
at the CE1 routing table?
A. PE1 and PE2 have mutual redistribution between OSPF and BGP.
B. CE1 is configured under OSPF with the command redistribute connected.
C. CE1 and CE2 are in different areas.
D. CE1 and CE2 have different OSPF processes.
E. PE1 and PE2 have different OSPF VRF processes.
Answer: E
QUESTION NO: 437
Two customers have routers that run OSPF and belong to the same OSPF area. These two
routers are connected by an MPLS backbone and by a low-bandwidth point-to-point link (used as
a backup link). Which two minimum configurations are required to connect these two routers?
A. site-of-origin
B. sham-link
C. domain tag
D. down bit
E. link cost
F. virtual-link
Answer: B,E
QUESTION NO: 438
An engineer is looking into a solution for two customers that are using the network prefix
10.10.1.0/24. The network engineer wants the network prefix to remain the same for both
customers, while maintaining unique network information for each. Which approach can be used
to achieve this requirement?
A. Assign a unique RD per customer.
B. Assign a unique RT per customer.
C. Assign a unique SOO per customer.
D. Assign a unique TE per customer.
Answer: A
QUESTION NO: 439
An MPLS VPN service is deployed over an MPLS provider. A customer wants all sites to run BGP
with his provider, given that all CEs have the same AS value. Which feature on the service
provider PEs can allow communication among different sites?
A. BGP allow-AS
B. BGP weight
C. BGP multihop
D. BGP AS-override
Answer: D
QUESTION NO: 440
Refer to the exhibit.
Customer ABC uses RFC 1918 addresses within its network. Customer ABC wants the Internet
access for all the branch offices to transit through the head office for security and NAT purposes.
The PE routers in the service provider network contain Internet routes in the global routing table.
Which option describes the router or routers that should be configured to accomplish the
administrative goal of the customer?
A. all the PE routers and the P router
B. both PE2 and PE3 routers
C. only the PE1 router
D. only the P router
Answer: C
QUESTION NO: 441
A customer requests a MPLS VPN service with dual-home connection to the service provider.
Which BGP attribute can prevent routes originated from the customer from being readvertised
back to them?
A. site-of-origin
B. local-AS
C. AS-path
D. next-hop
Answer: A
QUESTION NO: 442
A network engineer is looking for a specific VRF routing table in the PE router of an Service
Provider. Which two information points will be listed in the routing table? (Choose two.)
A. routes received from the directly connected CE
B. routes received from the other MP-BGP PE peer
C. routes received from the other IGP PE peer
D. routes received from the same AS
E. routes of the global routing table
Answer: A,B
QUESTION NO: 443
A network engineer wants to use Telnet to access a CE device in a VRF from a PE device that
runs Cisco IOS Software. How can a CE device with IP address 1.1.1.2 be accessed by the PE
device?
A. telnet 1.1.1.2 /vrf vrf-name
B. telnet 1.1.1.2 vrf vrf name
C. telnet 1.1.1.2 vrf
D. telnet vrf vrf name 1.1.1.2
Answer: A
QUESTION NO: 444
An ISP provides MPLS L3VPN services and is required to set up a multicast VPN. Which routers
will be enabled with MDT to support a multicast VPN?
A. All service provider routers participating in the multicast VPN.
B. All service provider route reflectors.
C. All service provider PE routers.
D. All service provider P routers.
E. All service providers P, PE and route reflector routers.
Answer: A
QUESTION NO: 445
In the Carrier Supporting Carrier (CsC) feature, which two options represent protocols that run
between CSC-PE and CSC-CE? (Choose two.)
A. IGP and EBGPv4
B. IGP and RSVP
C. IGP and LDP
D. EBGPv4 with a sending community
E. EBGPv4 with a sending label
Answer: C,E
QUESTION NO: 446
In relation to MPLS Multicast VPN, which three statements about multicast distribution tree (MDT)
groups are true? (Choose three.)
A. MDTs are built in customer networks.
B. MDTs are built in provider networks.
C. The number of MDTs depends on PIM modes of MDT groups.
D. Default MDT groups are used for PIM control traffic, low-bandwidth sources, and flooding of
sparse mode traffic.
E. Data MDT groups are used for high-bandwidth sources to reduce replication to uninterested
PEs.
F. Data MDT groups forward multicast packets using MPLS labels and Default MDT groups
forward multicast packets using GRE tunnels.
Answer: B,C,E
A network engineer is requested to have load sharing over two links to the same destination prefix.
The traffic share for the first link must be two times the traffic share of the second link. Which two
protocols can fulfill this requirement? (Choose two.)
A. EIGRP
B. BGP
C. ISIS
D. OSPF
E. RIP
F. IGRP
Answer: A,B
QUESTION NO: 448
A network engineer is asked to monitor the VPLS services using IP LSP traceroute and ping.
Which feature should be used to achieve this goal?
A. MPLS OAM
B. IP SLA
C. PW
D. AToM
Answer: A
QUESTION NO: 449
Refer to the exhibit.
An MPLS L2VPN service is provisioned for VPN-A and VPN-B. Which two statements describe
the label exchange and the LDP session requirement for MPLS L2VPN signaling? (Choose two.)
A. PE1 uses the label value that is received from PE2 for VPN-B as the inner label for VPN-B.
B. PE2 uses the label value that is received from PE1 for VPN-B as the transport label for VPN-B.
C. LDP must be enabled on the address that is used as the LDP ID between PE1 and PE2.
D. T-LDP sessions are established between PE1, P1, P2, and PE2.
E. BGP is required for LDP, based on the Layer 2 VPN.
F. PE1 uses the label value that is received from PE2 for VPN-B as the transport label for VPN-B.
Answer: A,C
QUESTION NO: 450
Which MPLS technology will achieve LAN extensions over the service provider backbone?
A. AToM
B. VPLS
C. L2VPN
D. L2TPv3
Answer: B
QUESTION NO: 451
A network engineer is asked to connect two customer sites using Layer 2 connectivity over an
MPLS backbone. One customer site uses PPP connectivity with the service provider and the other
customer site uses Frame Relay connectivity with the service provider. Which option can the
network engineer use to enable network connectivity between these two customer sites?
A. GRE tunnels
B. IP interworking
C. Ethernet interworking
D. L2TPv3 tunnels
Answer: B
QUESTION NO: 452
A network engineer receives a request to tunnel Frame Relay traffic for DCLI 100 over the MPLS
cloud while maintaining circuit information. Which solution meets this requirement?
A. L2VPN
B. L3VPN
C. VPLS
D. GRE
Answer: A
QUESTION NO: 453
Which transparent LAN service allows a service provider to offer Layer 2 Ethernet service to
connect an enterprise in a metro region?
A. AToM
B. VPLS
C. PPP over MPLS
D. HDLC over MPLS
QUESTION NO: 454
A network engineer wants customers to retain routing information and Layer 2 connectivity for
non-Ethernet VPNs within their networks. Which two technologies can be used to accomplish this
goal? (Choose two.)
B. L2TPv3
C. L3VPN
D. AToM
E. IPsec
Answer: B,D
QUESTION NO: 455
Two customer sites are connected to a service provider backbone through L2VPN. GRE is
carrying L2VPN circuits across the backbone. Which part of the packet carries the information to
route the L2VPN circuits?
A. GRE header
B. LDP header
C. IP header
D. Layer 2 packet header
Answer: A
QUESTION NO: 456
Refer to the exhibit.
RTP header compression is used on the link for the voice packet. If the header overhead starts
reducing at 70%, and is reduced to the maximum amount, what will the overhead percentage be?
B. 0.33
C. 0.44
D. 0.55
Answer: A
QUESTION NO: 457
Which protocol is used to establish LSP tunnels, enabling resource allocation such as bandwidth
along the path?
A. LDP
B. RSVP
C. TDP
D. IPsec
Answer: B
QUESTION NO: 458
A customer wants the minimum delay for the transit traffic that traverses the service provider core.
An engineer realizes that the customer sites are remotely dispersed and wants to give them a
specific path through the MPLS core with guaranteed bandwidth and without relying on the
shortest path of OSPF as the customer IGP. Which technology will achieve the required result?
A. L2VPN
B. IPsec tunnel
C. MPLS TE tunnel
D. L3VPN
E. mGRE with extensions
Answer: C
QUESTION NO: 459
A network engineer is implementing an MPLS network among devices from different vendors. The
devices must be configured with MPLS VPN service and MPLS TE. Based on options provided,
which three protocols fulfill all of these requirements? (Choose three.)
A. RSVP
B. LDP
C. TDP
D. EIGRP
E. IGRP
F. BGP
Answer: A,B,F
QUESTION NO: 460
Refer to the exhibit.
An MPLS-based service provider wants to deploy QoS over its backbone. Original customer QoS
information must be preserved when the packet leaves the MPLS network. In addition, the egress
LSR must forward packets according to the LSP Diff-Service information, as depicted in the
topology. Which QoS model satisfies these requirements?
A. uniform model
B. pipe model
C. short-pipe model
D. IntServ model
Answer: B
QUESTION NO: 461
A network engineer wants to leak only IPv6 loopback addresses from level 2 to level 1. All of the
other level 2 prefixes should not be advertised into level 1. Which technique will achieve this goal,
based on IOS SRE release?
A. route-policy
C. distribute-list
D. policy-map
Answer: C
QUESTION NO: 462 DRAG DROP
QUESTION NO: 463 DRAG DROP
QUESTION NO: 464 DRAG DROP
Increased Reliability for IP Services—MPLS traffic engineering with Fast Reroute uses fail over times that match the capabilities of SONET link restoration. This leverages a very high degree of resiliency for IP traffic that flows over a service provider's backbone, leading to more robust IP services and higher end-customer satisfaction.
