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Enterprise Networking, Security, & Automation > Module 1 - Single-Area OSPFv2 Concepts > Flashcards

Module 1 - Single-Area OSPFv2 Concepts Flashcards

1
Q

Which of the following OSPF components is associated with the neighbor table?

Dijkstra's algorithm
Link-State database
Routing protocol messages
Adjacency database
Forwarding database
A

Adjacency database

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2
Q 
Which of the following OSPF components is responsible for computing the cost of each route?
Dijkstra's algorithm
Link-State database
Routing protocol messages
Adjacency database
Forwarding database
A

Dijkstra’s algorithm

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3
Q

Which of the following OSPF components is associated with the topology table?

Dijkstra's algorithm
Link-State database
Routing protocol messages
Adjacency database
Forwarding database
A

Link-State database

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4
Q

Which of the following OSPF components is associated with the routing table?

Dijkstra's algorithm
Link-State database
Routing protocol messages
Adjacency database
Forwarding database
A

Forwarding database

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5
Q

hat is the correct order in the steps for Link-State operation?

A
1 Execute the SPF Algorithm
2 Establish Neighbor Adjacencies
3 Exchange Link-State Advertisements
4 Choose the Best Route
5 Build the Topology Table
B
1 Establish Neighbor Adjacencies
2 Choose the Best Route
3 Build the Topology Table
4 Execute the SPF Algorithm
5 Exchange Link-State Advertisements
C
1 Establish Neighbor Adjacencies
2 Exchange Link-State Advertisements
3 Execute the SPF Algorithm
4 Choose the Best Route
5 Build the Topology Table
D
1 Establish Neighbor Adjacencies
2 Exchange Link-State Advertisements
3 Build the Topology Table
4 Execute the SPF Algorithm
5 Choose the Best Route
A 
D
1 Establish Neighbor Adjacencies
2 Exchange Link-State Advertisements
3 Build the Topology Table
4 Execute the SPF Algorithm
5 Choose the Best Route
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6
Q

Single-Area OSPF

A

All routers are in one area. Best practice is to use area 0.

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7
Q

Multiarea OSPF

A

OSPF is implemented using multiple areas, in a hierarchical fashion. All areas must connect to the backbone area (area 0). Routers interconnecting the areas are referred to as Area Border Routers (ABRs).

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8
Q
  1. Which of the following OSPF packets contains an abbreviated list of the LSDB of the sending router?

Type 1: Hello packet

Type 2: DBD packet

Type 3: LSR packet

Type 4: LSU packet

Type 5: LSAck packet

A

Type 2: DBD packet

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9
Q
  1. Which of the following OSPF packets is used by routers to announce new information?

Type 1: Hello packet

Type 2: DBD packet

Type 3: LSR packet

Type 4: LSU packet

Type 5: LSAck packet

A

Type 4: LSU packet

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10
Q
  1. Which of the following OSPF packets is used by routers to request more information?

Type 1: Hello packet

Type 2: DBD packet

Type 3: LSR packet

Type 4: LSU packet

Type 5: LSAck packet

A

Type 3: LSR packet

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11
Q
  1. Which of the following OSPF packets is responsible for establishing and maintaining adjacency with other OSPF routers?

Type 1: Hello packet

Type 2: DBD packet

Type 3: LSR packet

Type 4: LSU packet

Type 5: LSAck packet

A

Type 1: Hello packet

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12
Q
  1. Which of the following OSPF packets is used to confirm receipt of an LSA?

Type 1: Hello packet

Type 2: DBD packet

Type 3: LSR packet

Type 4: LSU packet

Type 5: LSAck packet

A

Type 5: LSAck packet

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13
Q
  1. Which of the following is used with the Hello Packet to uniquely identify the originating router?

Hello Interval

Router ID

Designated Router ID

Network Mask

Dead Interval

A

Router ID

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14
Q
  1. During this OSPF state on multiaccess networks, the routers elect a Designated Router (DR) and a Backup Designated Router (BDR).
 Down State
 Init State
 Two-Way State
 ExStart State
 Exchange State
 Loading State
 Full State
A

Two-Way State

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15
Q
  1. During this OSPF state, routers send each other DBD packets.
 Down State
 Init State
 Two-Way State
 ExStart State
 Exchange State
 Loading State
 Full State
A

Exchange State

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16
Q
  1. An OSPF router enters this state when it has received a Hello packet from a neighbor, containing the sending Router ID.
 Down State
 Init State
 Two-Way State
 ExStart State
 Exchange State
 Loading State
 Full State
A

Init State

17
Q
  1. During this OSPF state on point-to-point networks, the routers decide which router initiates the exchange of DBD packets.
 Down State
 Init State
 Two-Way State
 ExStart State
 Exchange State
 Loading State
 Full State
A

ExStart State

18
Q
  1. During this OSPF state, routers have converged link-state databases.
 Down State
 Init State
 Two-Way State
 ExStart State
 Exchange State
 Loading State
 Full State
A

Full State

19
Q
  1. During this OSPF state, no Hello packets are received.
 Down State
 Init State
 Two-Way State
 ExStart State
 Exchange State
 Loading State
 Full State
A

Down State

20
Q
  1. During this OSPF state, routes are processed using the SPF algorithm.
 Down State
 Init State
 Two-Way State
 ExStart State
 Exchange State
 Loading State
 Full State
A

Loading State

Enterprise Networking, Security, & Automation (1 decks)

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