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QUESTION 111
CRS-1 single shelf maximum capacities?
A. 320 Gbit/s
B. 640 Gbit/s
C. 1.2 Tbit/s
D. 92 Tbit/s
Answer: C
QUESTION 112
Which Cisco IOS XR Virtualization technology provides full isolation between virtualized routing instances for extra control plane resources?
A. HVR
B. SVR
C. SDR
D. DRP
Answer: C
Explanation:
http://www.cisco.com/en/US/solutions/collateral/ns341/ns524/ns562/ns573/white_paper_c11-512753_ns573_Networking_Solutions_White_Paper.html
QUESTION 113
Refer to exhibit. NAT64 stateless configuration has been applied on RT1 router. The NAT64 prefix stateless used on this scenario is 2001:DB8:2::/96. `Host IPv4 only’ needs to test the connectivity with `Host IPv6 only’ using a ping command.
Which is the correct ping command `Host IPv4 only’ should use?
A. ping 27.1.1.10
B. ping 27.1.1.10 source 2001:db8:2::7001:10A
C. ping 2001:db8:2::7001:10A
D. ping 2001:db8:2::112.1.1.10
E. ping 2001:db8:2::27.1.1.10
F. ping 2001:db8:2::1B01:10A
Answer: A
QUESTION 114
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 techniquemust be used?
A. integrated services
B. MPLS TE Diff-Serv full allocation model
C. MPLS TE Diff-Serv Russian doll model
D. IP precedence
E. class of service
Answer: C
QUESTION 115
A service provider is using QoS to manage customer traffic over the MPLS backbone.
Which three statements about the behavior of each MPLS QoS mode based on QoS policy in the service provider core are true? (Choose three.)
A. Uniform mode does not change the original CE IP packet markings.
B. Uniform mode changes the original CE IP packet markings.
C. Pipe mode does not change the original CE IP packet markings.
D. Pipe mode changes the original CE IP packet markings.
E. Short-pipe mode does not change the original CE IP packet markings.
F. Short-pipe mode changes the original CE IP packet markings.
Answer: BCE
QUESTION 116
A service provider with MPLS traffic-eng tunnels is supporting multicast traffic that uses RPF to ensure the source of the sender. The unicast routing table points the source through TE, which does not support multicast and RPF fails.
Which action fixes the issue?
A. Use auto-route announce under MPLS TE.
B. Use multicast-intact under IGP.
C. Use IGMP snooping.
D. Use CGMP.
Answer: B
QUESTION 117
Refer to the exhibit. An ISP network runs L3VPN MPLS over the IP core to deliver internet service for the customer as a central service through a dedicated VRF.
Which route target plan delivers the internet service to customers while preserving customer VRF privacy?
A. vrf definition CUST-1
route-target export 100:2
route-target import 100:2
!
vrf definition CUST-2
route-target export 100:1
route-target import 100:1
!
vrf definition INTERNET
route-target export 100:1
route-target import 100:2
B. vrf definition CUST-1
route-target export 100:3
route-target import 100:3
!
vrf definition CUST-2
route-target export 100:3
route-target import 100:3
!
vrf definition INTERNET
route-target export 100:1
route-target import 100:2
C. vrf definition CUST-1
route-target export 100:3
!
vrf definition CUST-2
route-target export 100:3
!
vrf definition INTERNET
route-target import 100:1
route-target import 100:2
D. vrf definition CUST-1
route-target import 100:3
!
vrf definition CUST-2
route-target import 100:3
!
vrf definition INTERNET
route-target import 100:1
route-target import 100:2
Answer: D
QUESTION 118
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 cefis 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 119
R3 and R4 are Route-Reflectors and there is an iBGP session between them, there is NO iBGP session between R1 and R2. For an External Route from CE-2 in R2 to reach R1, which two statements are true?
A. R1, R3 and R4 establish full mesh iBGP sessions, R2, R3 and R4 establish full mesh iBGP sessions.
B. R1 acts as a Route-Reflector client to R3, R2 acts as a Route-Reflector client to R4.
C. R1 acts as a Route-Reflector client to R4, R4 acts as a Route-Reflector client to R3, R2 acts as a Route-Reflector client to R3.
D. CE-2 establishes multi-hop E-BGP sessions with R3 and R4.
Answer: BC
QUESTION 120
Which two statements about 10 Gigabit Ethernet WAN PHY mode are true? (Choose two.)
A. The signal maps to an OC-192c/STM-64c payload.
B. The nominal speed is 9.95328 Gbps.
C. It is compatible with Packet Ethernet over SONET.
D. The signal maps to an OC-768c/STM-256c payload.
E. It is compatible with Packet over SONET.
F. The nominal speed is 10.3125 Gbps.
Answer: AB
Explanation:
https://en.wikipedia.org/wiki/10_Gigabit_Ethernet
QUESTION 121
Where are MPLS point-to-multipoint traffic engineering packets replicated?
A. head-end router
B. branch-point router
C. midpoint router
D. leaf-point router
E. tail-end router
Answer: B
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