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CCNA > 22 - Dynamic Routing > Flashcards

22 - Dynamic Routing Flashcards

1
Q

[…] are used to share routes between different autonomous systems (AS).

A

EGPs

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2
Q

[…] are used to share routes within a single autonomous system (AS).

A

IGPs

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3
Q

[…] is used to compare routes learned via different routing protocols.

A

AD (Administrative Distance)

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4
Q

[…] is used to compare routes learned via the same routing protocol.

A

Metric

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5
Q

[…] routing protocols send the following information to their connected neighbors:
-their known destination networks
-their metric to reach their known destination networks

A

Distance Vector

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6
Q

A route to a /32 destination is known as a […] route.

A

host

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7
Q

A route to a network/subnet is known as a […] route.

A

network

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8
Q

Configure a static route, and specify the AD:
R1(config)# […]

A

ip route <destination></destination>

(ie. ip route 10.0.0.0 255.0.0.0 10.0.13.2 115)

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9
Q

Does a router prefer a lower or higher AD when selecting routes?

A

lower

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10
Q

Does a router prefer a lower or higher metric when selecting routes?

A

lower

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11
Q

Dynamic routing: What does EGP stand for?

A

Exterior Gateway Protocol

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12
Q

Dynamic routing: What does IGP stand for?

A

Interior Gateway Protocol

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13
Q

EGPs are used to share routes between different […]

A

autonomous systems (AS)

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14
Q

If R1 learns multiple routes to the same destination from the same routing protocol, what is used to determine which route will be added to R1’s routing table?

A

Metric

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15
Q

If R1 learns multiple routes to the same destination from two different routing protocols, what is used to determine which route will be added to R1’s routing table?

A

AD (Administrative Distance)

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16
Q

IGPs are used to share routes within a single […]

A

autonomous system (AS)

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17
Q

In which dynamic routing protocol do all links have a metric cost of 10 by default?

A

IS-IS

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18
Q

R1 learns two routes to the same destination, via the same routing protocol, and both routes have the same metric. Which will be added to the routing table?

A

Both (traffic will be load-balanced)

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19
Q

Route protocol/type: Directly connected
AD: […]

A

0

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20
Q

Route protocol/type: eBGP
AD: […]

A

20

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21
Q

Route protocol/type: EIGRP (external)
AD: […]

A

170

22
Q

Route protocol/type: EIGRP
AD: […]

A

90

23
Q

Route protocol/type: iBGP
AD: […]

A

200

24
Q

Route protocol/type: IGRP
AD: […]

A

100

25
Q

Route protocol/type: IS-IS
AD: […]

A

115

26
Q

Route protocol/type: OSPF
AD: […]

A

110

27
Q

Route protocol/type: RIP
AD: […]

A

120

28
Q

Route protocol/type: Static
AD: […]

A

1

29
Q

Route protocol/type: Unusable route
AD: […]

A

255

30
Q

Routers can use […] to advertise information about the routes they know to other routers.

A

dynamic routing protocols

31
Q

What are the two Distance Vector routing protocols?

A

RIP
EIGRP

32
Q

What are the two Link State routing protocols?

A

OSPF
IS-IS

33
Q

What are the two types of IGP?

A

Distance Vector
Link State

34
Q

What does BGP stand for?

A

Border Gateway Protocol

35
Q

What does ECMP stand for?

A

Equal Cost Multi-Path (load-balancing)

36
Q

What does EIGRP stand for?

A

Enhanced Interior Gateway Routing Protocol

37
Q

What does IS-IS stand for?

A

Intermediate System to Intermediate System

38
Q

What does OSPF stand for?

A

Open Shortest Path First

39
Q

What does RIP stand for?

A

Routing Information Protocol

40
Q

What dynamic routing protocol calculates metric using bandwidth and delay (and others, if configured)?

A

EIGRP

41
Q

What is the AD value of this route?
O 192.168.4.0/24 [110/3] via 10.0.12.2

A

110

42
Q

What is the metric value of this route?
O 192.168.4.0/24 [110/3] via 10.0.12.2

A

3

43
Q

What is the name for a static route which has a higher AD than a route learned via a dynamic routing protocol?

A

Floating static route

44
Q

What is the single Path Vector routing protocol?

A

BGP

45
Q

What is the single type of EGP?

A

Path Vector

46
Q

What kind of dynamic routing protocol operates using ‘routing by rumor’?

A

Distance Vector

47
Q

What metric does RIP use?

A

hop count

48
Q

When using a […] routing protocol, every router creates a ‘connectivity map’ of the network.

A

link state

49
Q

Which dynamic routing protocol uses a cost calculated based on interface bandwidth as its metric?

A

OSPF

50
Q

Which kind of dynamic routing protocol tends to react faster to changes in the network, distance vector or link state?

A

link state

51
Q

Which kind of routing protocol uses more CPU resources on the router, distance vector or link state?

A

link state

CCNA (24 decks)

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