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Which field of an IPv6 header indicates an upper layer protocol carried in the packet?
Which of the following is a type of authentication that is supported by OSPF on the Alcatel-Lucent 7750 SR?
Which of the statements below best describes the operation of the IPv6 anycast address?
Which of the following about label modes on the Alcatel-Lucent 7750 SR is FALSE?
Click on the exhibit.
Router R2 advertises an OSPF summary route 10.10.10.0/24 into Area 1. Router R3 receives labels for individual FECs 10.10.10.2/32 and 10.10.10.4/32. These two FECs are installed in router R3's LIB but not in the LFIB. What needs to be done on router R3 to install these labels into its LFIB?
An Alcatel-Lucent 7750 SR label switches a packet it receives. The packet has an outer label TTL of 250 and an inner label TTL of 251. Which of the following is TRUE?
If an LSP needs to use an admin group, which of the following configurations is NOT required on the Alcatel-Lucent 7750 SR?
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Why might router R2 have a Link LDP session to R1 (10.10.10.1:0) but not to R3 (10.10.10.3:0)?
Which of the following statements describe the major features of OSPF? Choose two answers.
Click on the exhibit.
The link between routers R4 and R6 are configured with an admin group "red". What happens when the LSP is first signaled?
Which of the following steps is mandatory when enabling an MP-BGP session between PE routers in a VPRN?
On a dot1Q encapsulated port, frames with a VLAN tag of 0 and untagged frames are forwarded to the null SAP
If OSPF is used in a multi-area OSPF network, which of the following statements regarding route summarization is true?
Exhibit
Given the two configurations shown, identify the two incorrect statements below: (Choose two)
A static route is created using the command "static-route 0.0.0.0/0 next-hop 3.3.3.1". What command could be used to test the static route on an Alcatel-Lucent 7750 SR?
Click the exhibit button. Assuming point-to-point links, which of the following statements is true?
At what point is the LSP SRM flag cleared when an LSP is sent on an IS-IS point-to-point link?
Choose two answers.
Click the exhibit button.
Router R2 advertises the network 192.168.3.0/24 to router R1 via OSPF. A route policy has been constructed to discard the route on router R1; however, it is not working. What is the problem?
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Part of a 6VPE deployment is shown in this exhibit. Which of the following is the correct configuration and context on PE1 for a BGP peering session with CE1?
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A static route has been configured on router R1 to reach the PC at 139.120.121.2. What else is required to make the ping succeed?
When a tagged packet is received on a SAP configured with dot1q encapsulation, the VLAN tag must match the value configured on the SAP in order to be forwarded.
Router R3 signals an LSP, reserving 1Gbps bandwidth on a 10Gbps link. RSVP configuration limits reservable bandwidth to 20 percent on the egress interface. Which of the following statements is true?
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With fast reroute enabled, and given the following:
Which of the following statements is true? (Choose two)
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What triggers convergence of the routing protocol when the link between switch 1 and switch 2 goes down?
Which of the following commands may only be used on the head end router to verify the status of an LSP named "LSP 1"? (Choose two)
The solicited node address for the destination node address of 2001:DB8::30A:216 4DFF:FE14:6CAE is:
Which of the following devices receives labeled packets from the MPLS domain, removes the MPLS header, and forwards unlabeled packets outside the MPLS domain?
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192.168.3.1 is a loopback interface on router R2 and is distributed to OSPF area 0, but the ping fails from router R3. Which of the following is a possible solution to the problem?
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In the topology shown, router R1 is an ASBR configured to export external routes to OSPF. Assuming that there are no stub networks, which of the following statements regarding Type 5 LSA generation is TRUE?
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The operator of an IS-IS network wishes to have link metrics dynamically calculated in the same manner as OSPF. The router with system address 10.10.10.1 is one hop away on a 1 Gbps link
Which of the following is correct?
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Two neighboring OSPF routers have exchanged the packets shown. What state is the adjacency in?
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The operator of an IS-IS network wishes to have link metrics dynamically calculated in the same manner as OSPF. The router with system address 10.10.10.1 is one hop away on a 1Gbps link
Which of the following is correct?
Click on the exhibit button below:
Consider the following:
- Router R2 is an ABR in OSPF Areas 0 and 1.
- Router R2 advertises the aggregate prefix 10.10.10.0/24 into Area 1.
- Router R1 in Area 0 generates LDP labels for FECs 10.10.102/31 and 10.10.10.4/31
Router R3 in Area 1 places these FECs in its LIB, but it does not place them in its LFIB. What can you do on router R3 to make it populate these labels in its LFIB?
An OSPF adjacency is stuck in the exstart state. What is the most likely cause?
Which of the following LDP messages are used in the successful establishment of LDP sessions? Choose three answers
An LSP path is configured as follows:
- Shared-explicit reservation style
- Make-before-break (MBB) enabled
- 500Mpbs bandwidth reserved on a 1Gbps link
With 100Mbps of unreserved bandwidth remaining, the operator increases the LSP-path's bandwidth reservation to 900Mbps. What happens to the existing LSP?
Which type of LSA packets describe external routes originated within an NSSA area, and to what type are they converted to at the ABR?
Which approach to LSP path diversity provides the most control, but the least flexibility?
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A static route is created on router R1 using the command "static-route 0.0.0.0/0 next-hop 10.3.3.2". What command can be used to test the static route on an Alcatel-Lucent 7750 SR?
Click on the exhibit.
The numbers beside the links are the metrics for that link.
Given the diagram, what path will traffic follow from router R2 to router R8, and from router R8 to router R2, if IS-IS is the routing protocol?
Which of the following is a characteristic of OSPFv2 that was NOT preserved in OSPFv3?
Click on the exhibit button below.
Consider the following:
To support LDP-over-RSVP tunnels between routers R1 and R3 over path R1-R4-R5-R3, with which routers will router R5 require targeted sessions? (Choose two)
Which of the following best describes how IS-IS routers exchange updates on an Ethernet interface?
Click the exhibit.
Based on the output from PE router R1 about VPRN 100, by which protocol was 192.168.10.0/24 learned?
On an Alcatel-Lucent 7750 SR, why must the MTU be explicitly set when configuring an IES spoke termination to a VPLS?
An E-pipe is configured with a service MTU of 5000. What MTU value should be set on the access port for a Q-in-Q encapsulated SAP?
On which component is vc-type configured to create an E-pipe service that preserves the VLAN tag during transport?
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Routes are exchanged between CE1 and PE1 using BGP. CE2 and PE2 use static routes to forward traffic to and from the VPRN. Which of the following is FALSE?
A customer requests that their Layer 2 Ethernet service be configured to forward frames up to 1500 bytes. The service provider is using MPLS encapsulation (without RSVP-TE fast-reroute) on their IP/MPLS network. What is the minimum MTU setting for the network ports?
Two IS-IS routers are exchanging Hello packets with different authentication types. Which of the following is TRUE?
Which OSPFv3 LSA type is generated by an ABR to advertise prefixes from one area to another?
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A static route is created on router R1 "using the "static-route 0.0.0.0/0 next-hop 10.3.3.2" command. What command can be used to test the static route on an Alcatel-Lucent 7750 SR?
Refer to the exhibit below. IS-IS IPv6 routing is configured in the network with globally routed addresses as shown. How many routes will R4 have in its IPv6 route table?
In an IP datagram, which of the following fields identifies the receiving application?
Which of the following LSA types stay within an OSPF area, and are not flooded outside of the area? Choose two answers.
How many bytes make up the system ID in an IS-IS NSAP address on the Alcatel-Lucent 7750 SR?
If a Router originates a type 1 router LSA with the E bit set what types of areas can it belong to? Select all that apply.
A VPRN service is configured with BGP used as the CE-PE routing protocol. What address families are required on the PE-CE BGP session?
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The two PEs are providing 6VPE and IPv4 VPRNs. The core network is IPv4/MPLS. Which of the following is the BGP family configuration for the MP-BPG on the PEs?
Which of the following about the Alcatel-Lucent 7750 SR's sdp-ping utility is FALSE?
Service tunnels and transport tunnels are bidirectional and only require the operator to configure the tunnel on one router.
Consider a network that has four PE routers. If a customer wants a VPLS that has sites on only three of the PEs, how many mesh SDPs need to be configured for this service?
Click the exhibit.
The operator at PE1 wants to analyze the traffic between CE4 and PE2. On an Alcatel-Lucent 7750 SR, which of the following is required as part of the configuration?
Which one of the following commands on an Alcatel-Lucent 7750 SR can take a FEC as a parameter to verify if a packet for that FEC reaches the appropriate LER?
What happens by default on an Alcatel-Lucent 7750 SR when a null encapsulated SAP receives a frame with a VLAN tag?
What is the purpose of service mirroring on the Alcatel-Lucent Service Router?
A service has a null encapsulated SAP and a vc-type vlan' SDP. What happens when the SAP receives an untagged Ethernet frame?
Consider an E-pipe service configured with SAP 1/1/1:5 and SAP 1/1/1:6. If the SAP 1/1/1:5 accepts an ingress frame, which of the following is TRUE?
Which MPLS label mode propagates a label mapping only for the FEC for which a router has a label mapping for the FEC's next-hop?
3 Epipe services and 2 VPLS services have been configured between two PE routers. How many service labels will be signaled in total?
Which of the following conditions are necessary in order for service labels to be signaled between two PE routers? (Choose 3)
Which of the following best completes the sentence: "An Internet Enhanced Service is a_____________ service where the CE communicates with a ________________interface to send and receive traffic.
Click on the exhibit.
Which of the following CANNOT be used to ensure the LSP toR6" will follow the path R1-R2-R4-R6?
VPWS allows carriers to offer services such as point-to-point frame-relay, ATM, and Ethernet on a single platform without the need for multiple overlay networks.
Click on the exhibit.
RSVP session state for LSP 1 has timed out on router R3. Which of the following actions will router R3 initiate to clear the RSVP session?
When configuring distributed services across a network, it is considered best practice to configure which of the following parameters as globally significant? (Choose 2)
Which of the following types of networks are supported on an Alcatel-Lucent 7750 SR for OSPF? Choose two answers.
What command will show the OSPF neighbors, and their status on the Alcatel-Lucent 7750 SR?
Click the exhibit button.
Given the topology and the show commands, and assuming that router R2 advertises all of its loopbacks into OSPF, what is the correct router R1 configuration?
In IS-IS, which of the following statements regarding an L1/L2 router is false?
NSSA LSA packets are what type within an NSSA area, and are converted to what other type at the ABR?
TESTED 21 Nov 2024
