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Q91. Refer to the exhibit. The Service Provider is deploying Internet service to its VRF customers by using vrf INTERNET. A dedicated firewall provides NAT functionally towards the Internet. Assume that IP address overlapping between VRFs is not an issue.
Which three configuration steps are required to add Internet service to the VRF customers? (Choose three.)
A. Export the RD of vrf INTERNET from all customer VRFs.
B. Originate a default route on PE4 in vrf INTERNET.
C. Import the RD from vrf INTERNET in all customer VRFs.
D. Originate a default route on the firewall in vrf INTERNET.
E. Import the VRF “INTERNET” Route Target in all customer VRFs.
F. Import the Route Target of all customer VRFs in vrf INTERNET.
G. Leak all VRF routes to the global routing table.
Answer: B,C,G
Q92. Which network interface technology eliminates the need for an external transponder at service provider sites?
A. IPoDWDM
B. CWDM
C. SONET
D. SDH
Answer: A
Q93. Which are the four key design requirements for mobile IP backhaul? (Choose four)
A. network timing distribution and recovery
B. MPLS-enabled interface
C. Layer 2 Tunneling
D. X2 interface turning point
E. DiffServ QoS
F. bandwidth
G. native IPv6 support
H. mandatory Layer 3 access up to a cell site
Answer: A,B,E,H
Q94. Refer to the exhibit.
What is the status of the L2 tunnel between PE1. PE2. and the Layer 2 switches?
A. The Layer 2 tunnel is up, and SW1 becomes the root bridge for VLAN 10.
B. The Layer 2 tunnel is down, due to the ACL that is applied on the PE2 interface.
C. The Layer 2 tunnel is up, but no BPDUs are exchanged unless an extra configuration is applied.
D. The Layer 2 tunnel is down, due to the MTU mismatch between SW1 and SW2.
Answer: A
Q95. What is the minimum hardware configuration of the multishelf Cisco CRS-1 system?
A. One route processor (RP) card and one modular services card (MSC)
B. One distributed route processor (DRP) and one S13 fabric card (SFC)
C. One line card chassis (LCC) and one fabric card chassis (FCC)
D. One route processor (RP) and one fabric card chassis (FCC)
E. One line card chassis (LCC) and one S13 fabric card (SFC)
Answer: C
Explanation:
1.4. SP high end product
A minimum of one LCC and one FCC are required to configure a multishelf system.
Q96. Refer to the exhibit. Both MPLS TE tunnel 14 and MPLS TE tunnel 124 pass over the same physical links. Which configuration on R1 enables TE 14 to be the primary tunnel and TE 124 to become active when TE 14 is admin disabled?
A. Interface Tunnel14
tunnel mpls traffic-eng priority 3 1
!
Interface Tunnel124
tunnel mpls traffic-eng priority 5 4
B. Interface Tunnel14
tunnel mpls traffic-eng priority 4 1
!
`Interface Tunnel124
tunnel mpls traffic-eng priority 3 2
C. Interface Tunnel14
tunnel mpls traffic-eng priority 7 7
!
Interface Tunnel124
tunnel mpls traffic-eng priority 1 1
D. Interface Tunnel14
tunnel mpls traffic-eng priority 3 2
!
Interface Tunnel124
tunnel mpls traffic-eng priority 4 1
Answer: B
Q97. In order to prevent malicious traffic flows, how does BGPsec protect prefix advertisements?
A. It validates only the originating AS.
B. It validates routes with encryption.
C. It validates the AS path.
D. It validates the next-hop AS.
Answer: C
Q98. Due to recent acquisitions, a company’s MPLS infrastructure is growing very quickly. Concerns arise about labeling each and every IP address on the P router. Which command would significantly reduce the label allocations without compromising LDP functionalities?
A. ip prefix-list List1 deny prefix/prefix_length
!
mpls ldp label
allocate global prefix-list List1
B. mpls ldp label
allocate global host-routes
C. access-list 1 permit subnet wildcard
mpls ldp neighbor neighbor_ip labels accept 3
D. mpls ldp password required for 10
access-list 10 permit host_ip_1
access-list 10 permit host_ip_2
access-list 10 permit host_ip_n
Answer: A
Q99. 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 local preference to prefer the routes
D. Use a route map to filter routes on the AS number.
E. Use the atomic aggregate attribute
Answer: B,D
Q100. Which are the three characteristics of SDR? (Choose three)
A. The logical router can span across chassis.
B. Each logical router has a distinct fabric and system controller module.
C. Owner SDR can be reloaded, without affecting all non-SDRs.
D. The logical router has dedicated route processor.
E. The logical router can share line cards.
F. The fabric and system controller module are shared by all logical routers.
Answer: A,D,F
