CCIE Service Provider Written Exam (V 4.1)
Question No: 31
Refer to the exhibit. A network engineer from ISP 2 is designing the BGP architecture with a requirement of preventing their customer AS 65001 from becoming a transit AS, using the following configuration.
Router BGP 65000
Neighbor 10.0.0.1 remote-as 65001
Neighbor 10.0.0.1 route-map BGP-ROUTE-policy in
Which Cisco IOS command should be used within the route-map to achieve the goal on ISP 2 from AS 65000?
route-map BGP-ROUTE-POLICY permit 10 set community no-advertise additive
ip as-path access-lists 1 permit^65001$
route-map BGP-ROUTE-POLICY deny 10 match as-path 1
route-map BGP-ROUTE-POLICY permit 10
ip as-path access-list 1 permit^65001$
route-map BGP-ROUTE-POLICY permit 10 match as-path 1
route-map BGP-ROUTE-POLICY permit 10 set community no-export additive
Question No: 32
Which feature allows an MPLS TE tunnel to be used by an IGP at the headend of the tunnel ?
MPLS TE Forwarding Adjacency
Different Services traffic Engineering
MPLS TE link management
MPLS TE autoroute announce
Question No: 33
A network engineer configures redistribution of OSPF intra-area routes into MP-BGP (super backbone) to preserve the continuity of the OSPF design in an MPLS Layer 3 VPN scenario From the CE perspective, what is the effect?
All intra-area routes are converted to external routes
All interarea routes are lost
All intra-area routes are converted to interarea routes
AU intra-area routes are lost
Question No: 34
Which protocol functions as the transfer protocol between the Cisco Open SDN Controller and forwarding devices?
OSPF or IS-IS
Question No: 35
An operator enabled BFD in echo mode and now CPU is high. Which option is the most likely solution to the problem?
Disable ICMP redirects on an interface
Change from echo mode to asynchronous mode
Disable BFD altogether
Reduce the BFD packet rate
Reduce the BFD control plane packet rate
Question No: 36
Which Cisco IOS XR security component can protect the route processor of the Cisco CRS router?
Local Packet Transport Services
Control Plane Policing
Question No: 37 DRAG DROP
Drag and drop the 802.1ad characteristics on the left onto the port type on the right.
options are used
Access or trunk port
Support customer-tag vlan BPDU S-UNI
Access port only Filtering of BPDUs S-NNI
Trunk port only
Support S-Vlan BPDU, however only encapsulation default is supported
Question No: 38
Which two steps take place in the BGP Link State architecture ? (Choose two)
IGP is redistributed into BGP-LS
Advertise the BGP-LS NLRIs to the topology server
IGP uses BGP LS data from remote peers
Enable access to the Adj-RIB-In (BGP raw format )of a peer border router or provider edge router
BGP downloads the received BGP LS data to the IGP component on the router
Question No: 39
Which protocol in the IPv6 stack does the MLD protocol use to carry its messages?
Question No: 40
ISP A provides L2VPN services to Company B through an MPLS network. Company B uses all available CoS values to classify and different traffic forwarding within all Company B sites. ISP A uses the following CoS values to differentiate service classes for the VPN customer traffic
*MPLS EXP 0 for Bronze service class
*MPLS EXP 1 for Silver service class
*MPLS EXP 2 for Gold service class
*Remaining MPLS EXP values for ISP A internal use
ISP A’s policy is to forward VPN customer traffic based only on their Bronze, silver and Gold service classes. Which QoS method must ISP A implement to achieve this?
Russian Doll Model
Maximum Allocation Model
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