CCIE Service Provider Written Exam (V 4.1)
Question No: 141
Refer to the exhibit. A network engineer is troubleshooting a packet over SONET connection between Router A and Router B. What is causing the line protocol to be down?
The keepalive must be set on both sides
The POS CRC must be set on both sides.
There is an encapsulation mismatch
There is an MTU mismatch.
Question No: 142
In which way does the DS-Lite IPv6 transitioning mechanism differ from IPv6 Dual-Stack?
DS-Lite is a combination of tunnel and translation technologies.
DS-Lite is a transition technology that gives full IPv6 connectivity for IPv6 capable hosts that are on the IPv4 Internet but have no native connection to an IPv6 network.
DS-Lite is an automatic tunnel where the tunnel destination is determined by the IPv4 address extracted from the IPv6 address that starts with the prefix 2002::/16.
DS-Lite is a stateless tunneling mechanism with a lightweight and secure manner without requiring upgrades to existing IPv4 access network infrastructure.
Question No: 143
In an inter-AS L3VPN Option B, the PE-ASBRs use which routing table to store all the VPN routes that need to be exchanged?
VRP routing table
global routing table
Question No: 144
The XYZ service provider network is composed of hundreds of routers that run OSPF and LDP. Which two LDP features can be used to increase peering update performance and reduce local memory consumption? (Choose two)
Specify label range
Label allocation control
Label acceptance control
Question No: 145 DRAG DROP
Drag each resiliency mechanism on the left to its corresponding technology on the right.
Question No: 146
A customer has a requirements record voice calls for IPT connected on switch A using VLAN 200.Record traffic should be forwarded to the IPCC recording server, which is connected on switch B, voice recording is not working. Assuming that RSPAN source monitoring is properly set, which action fixes this problem?
On switch B, the monitor session 1 destination remote
lt;interface_config_to_recording_servergt; command must be applied
On switch B, the port connects to the recording server must have an IP address and be accessible via VLAN 200
On switch B, the port that connects to the reording server must be accessed on VLAN 200
On switch A and switch B, the remote-span command must be configured on the mirroring dedicated VLAN
Question No: 147
Refer to the exhibit. All routers are running Cisco IOS software. Which configuration enables PIM Anycast RP on RP1?
Ip msdp peer 10.1.1.2 anycast loopback1 Ip pim rp-address loopback0
ip msdp peer 10.1.1.2
Ip pim rp-address loopback0
Router bgp 10
Neighbor 10.1.1.2 remote-as 10
Neighbor 10.1.1.2 update-source loopback1
Address-family ipv4 multicast Neighbor 10.1.1.2 active
ip msdp peer 10.1.1.2 connect-source loopback1 Ip msdp originator-id loopback 1
Ip pim rp-address loopback0
Question No: 148
Which three PIM modes require RP? (Choose three)
PIM with mLDP
Question No: 149
Which statement about LDP Session Protection and LDP-IGP sync is true?
Both LDP features cannot be used at the same time in a MPLS LDP enabled network
LDP Session Protection re-exchanges label information when a down-up event occurs; LDP-IGP sync keeps the adjacency and label information in a down-up event
LDP-IGP sync re-exchanges label information when a down-up event occurs; LDP Session Protection keeps the adjacency and label information in a down-up event
Both LDP features must be used together to increase fast convergence on an MPLS LDP-enabled network
Question No: 150
Two MPLS VPN customers want to acquire Internet access. They make use of overlapping address space but do not want to use NAT on the CPEs. Which action satisfies this requirement?
Configure each VRF with a default route in the global table by using a static route toward each customer#39;s range, pointing to the customer interface in the global table.
Configure VRF-aware NAT with a default route in the global table for each VRF that requires it
Configure a separate PE-CE sub interface that terminates in the global routing table on the PE.
Configure the Internet upstream interface inside a VRF, Which becomes an extranet VRF to which customers join and make use of NAT in this VRF.
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