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Which component of the Alcatel-Lucent 7750 SR is in charge of performing the longest prefix match lookup on packets that arrive on the physical interfaces?

A.

CPM

B.

MDA

C.

Switch Fabric

D.

IOM

Two IS-IS routers are exchanging Hello packets with different authentication types. Which of the following is TRUE?

A.

Different authentication types are not possible because IS-IS only supports password authentication.

B.

An adjacency will not be formed.

C.

The two routers negotiate the authentication type and then reach the up state.

D.

Only an L2 adjacency will form, as long as both routers are L2 capable.

Why does IPv6 not use ARP?

A.

The ARP functionality has been replaced by the Neighbor Discovery protocol.

B.

The ARP functionality is not needed due to the increased IPv6 address space.

C.

ICMPv6 reduced its role to connectivity checking and auto-configuration only.

D.

ICMFV6 replaced the ARP functionality with Multicast Listener Discovery (MLD).

Link-state PDUs include an age field. Which of the following is FALSE?

A.

When link-state information reaches the maximum age on a router, the router will flood that information to its neighbors.

B.

When a router detects that any of its link-state information has reached the maximum age, it will request a new update from the source router.

C.

Aging helps ensure that links, which are no longer part of the topology, will eventually get removed from the LSDB.

D.

The age value is updated as the information is flooded throughout the network and when it is in the LSDB.

Click on the exhibit.

A static route has been configured on router R1 to reach the PC at 139.120.121.2. What might be causing the ping to fail?

A.

Router R2 needs a static route to the PC.

B.

Router R2 needs a default to router R1.

C.

Router R1 needs a default route to router R2.

D.

The static route should use a next-hop of 172.31.1.2

Which type of LSA packets describe external routes originated within an NSSA area, and to what type are they converted to at the ABR?

A.

They are Type 7 within the area and are not modified at the ABR.

B.

They are Type 5 within the area and converted to Type 3 at the ABR.

C.

They are Type 5 within the area and are not modified at the ABR.

D.

They are Type 7 within the area and converted to Type 5 at the ABR.

Click on the exhibit.

OSPF is operational on all links in the network diagram, all links are the same cost, and all routers are configured with an ECMP value of 4. Router R4 advertises the prefix 192.168.3.0/24 into OSPF.

How many entries for prefix 192.168.3.0/24 will be in router R5's routing table?

A.

0

B.

1

C.

2

D.

3

E.

4

Click on the exhibit.

Two neighboring OSPF routers have exchanged the packets shown. What state is the adjacency in?

A.

Down

B.

Initializing

C.

2-way

D.

Full

Which OSPFv3 LSA advertises the location of an ASBR?

A.

Intra-Area Prefix LSA

B.

Inter-Area Prefix LSA

C.

Inter-Area Router LSA

D.

AS External LSA

In OSPFv3, which of the following LSA types carries prefixes and is only flooded in the area where it is generated?

A.

Link

B.

AS External

C.

Router

D.

Intra-Area Prefix