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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?

1. The keepalive must be set on both sides

2. The POS CRC must be set on both sides.

3. There is an encapsulation mismatch

4. There is an MTU mismatch.

Answer: C

Question No: 142

In which way does the DS-Lite IPv6 transitioning mechanism differ from IPv6 Dual-Stack?

1. DS-Lite is a combination of tunnel and translation technologies.

2. 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.

3. 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.

4. DS-Lite is a stateless tunneling mechanism with a lightweight and secure manner without requiring upgrades to existing IPv4 access network infrastructure.

Answer: A

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?

1. IGP table

2. BGP table

3. VRP routing table

4. global routing table

Answer: B

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)

1. Session protection

2. Specify label range

3. Autoconfig

4. Label allocation control

5. IGP sync

6. Label acceptance control

Answer: D,F

Question No: 145 DRAG DROP

Drag each resiliency mechanism on the left to its corresponding technology on the right.

Answer:

Explanation:

C:\Users\tgt\Desktop\Data\Untitled.jpg

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?

1. On switch B, the monitor session 1 destination remote

   lt;interface_config_to_recording_servergt; command must be applied

2. On switch B, the port connects to the recording server must have an IP address and be accessible via VLAN 200

3. On switch B, the port that connects to the reording server must be accessed on VLAN 200

4. On switch A and switch B, the remote-span command must be configured on the mirroring dedicated VLAN

Answer: D

Question No: 147

Refer to the exhibit. All routers are running Cisco IOS software. Which configuration enables PIM Anycast RP on RP1?

A.

Ip msdp peer 10.1.1.2 anycast loopback1 Ip pim rp-address loopback0

B.

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

C.

ip msdp peer 10.1.1.2 connect-source loopback1 Ip msdp originator-id loopback 1

Ip pim rp-address loopback0

Answer: C

Question No: 148

Which three PIM modes require RP? (Choose three)

1. PIM-DM

2. PIM-SM

3. PIM with mLDP

4. PIM-SSM

5. PIM anycast

6. PIM-BIDIR

Answer: B,E,F

Question No: 149

Which statement about LDP Session Protection and LDP-IGP sync is true?

1. Both LDP features cannot be used at the same time in a MPLS LDP enabled network

2. 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

3. 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

4. Both LDP features must be used together to increase fast convergence on an MPLS LDP-enabled network

Answer: D

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?

1. 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.

2. Configure VRF-aware NAT with a default route in the global table for each VRF that requires it

3. Configure a separate PE-CE sub interface that terminates in the global routing table on the PE.

4. 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.

Answer: A,B

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