OSPF Flashcards

1
Q

Manually configure the OSPF router ID:
R1(config-router)# […]

A

router-id a.b.c.d

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2
Q

Does the OSPF process ID have to match for two routers to become OSPF neighbors?

A

No

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3
Q

Does single-area OSPF have to use area 0?

A

No

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4
Q

An […] is an OSPF router that connects the OSPF network to an external network.

A

autonomous system boundary router (ASBR)

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5
Q

OSPF: What does ASBR stand for?

A

Autonomous System Boundary Router

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6
Q

Reset the OSPF process on the local router:
R1# […]

A

clear ip ospf process

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7
Q

OSPF Router ID selection priority:
1. Manual configuration
2. Highest IP address on a loopback interface
3. […]

A

Highest IP address on a physical interface

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8
Q

OSPF Router ID selection priority:
1. Manual configuration
2. […]
3. Highest IP address on a physical interface

A

Highest IP address on a loopback interface

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9
Q

OSPF Router ID selection priority:
1. […]
2. Highest IP address on a loopback interface
3. Highest IP address on a physical interface

A

Manual configuration

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10
Q

Configure the maximum number of paths an OSPF router will use to perform ECMP load-balancing:
R1(config-router)# […]

A

maximum-paths number

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11
Q

Modify the OSPF AD on the local router:
R1(config-router)# […]

A

distance value

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12
Q

Configure an OSPF router to advertise its default route into the OSPF domain:
R1(config-router)# […]

A

default-information originate

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13
Q

Prevent an OSPF router from sending OSPF messages out of an OSPF-enabled interface:
R1(config-router)# […]

A

passive-interface interface-id

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14
Q

Enable OSPF on interfaces in the specified range:
R1(config-router)# […]

A

network ip-address wildcard-mask area area

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15
Q

Enter OSPF configuration mode:
R1(config)# […]

A

router ospf process-id

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16
Q

OSPF: An […] route is a route to a destination in a different OSPF area.

A

interarea

17
Q

OSPF: An […] route is a route to a destination inside the same OSPF area.

A

intra-area

18
Q

OSPF: Routers connected to the backbone area (area 0) are called […] routers.

A

backbone

19
Q

OSPF: It is recommend that you connect an ABR to a maximum of […] areas.

A

2

20
Q

OSPF: What does ABR stand for?

A

Area Border Router

21
Q

OSPF: Routers with interfaces in multiple areas are called […].

A

area border routers (ABRs)

22
Q

OSPF: Routers with all interfaces in the same area are called […] routers.

A

internal

23
Q

OSPF: The backbone area (area […]) is an area that all other areas must connect to.

A

0

24
Q

OSPF: The […] area (area 0) is an area that all other areas must connect to.

A

backbone

25
Q

OSPF: An […] is a set of routers and links that share the same LSDB.

A

area

26
Q

OSPF can divide networks into separate […]

A

areas

27
Q

OSPF LSAs have a default aging timer of [time]

A

30 minutes

28
Q

OSPF LSAs are organized in a structure called the […].

A

LSDB

29
Q

OSPF […] are organized in a structure called the LSDB.

A

LSAs

30
Q

OSPF: What does LSDB stand for?

A

Link State Database

31
Q

OSPF: What does LSA stand for?

A

Link State Advertisement

32
Q

Which version of OSPF is used for IPv6?

A

OSPFv3

33
Q

Which version of OSPF is usually used for IPv4?

A

OSPFv2

34
Q

The Shortest Path First algorithm is also known as […]’s algorithm.

A

Dijkstra