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CCNA > 22 - Dynamic Routing > Flashcards

22 - Dynamic Routing Flashcards

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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: […]

22
Q

Route protocol/type: EIGRP
AD: […]

23
Q

Route protocol/type: iBGP
AD: […]

24
Q

Route protocol/type: IGRP
AD: […]

25
Route protocol/type: IS-IS AD: [...]
115
26
Route protocol/type: OSPF AD: [...]
110
27
Route protocol/type: RIP AD: [...]
120
28
Route protocol/type: Static AD: [...]
1
29
Route protocol/type: Unusable route AD: [...]
255
30
Routers can use [...] to advertise information about the routes they know to other routers.
dynamic routing protocols
31
What are the two Distance Vector routing protocols?
RIP EIGRP
32
What are the two Link State routing protocols?
OSPF IS-IS
33
What are the two types of IGP?
Distance Vector Link State
34
What does BGP stand for?
Border Gateway Protocol
35
What does ECMP stand for?
Equal Cost Multi-Path (load-balancing)
36
What does EIGRP stand for?
Enhanced Interior Gateway Routing Protocol
37
What does IS-IS stand for?
Intermediate System to Intermediate System
38
What does OSPF stand for?
Open Shortest Path First
39
What does RIP stand for?
Routing Information Protocol
40
What dynamic routing protocol calculates metric using bandwidth and delay (and others, if configured)?
EIGRP
41
What is the AD value of this route? O 192.168.4.0/24 [110/3] via 10.0.12.2
110
42
What is the metric value of this route? O 192.168.4.0/24 [110/3] via 10.0.12.2
3
43
What is the name for a static route which has a higher AD than a route learned via a dynamic routing protocol?
Floating static route
44
What is the single Path Vector routing protocol?
BGP
45
What is the single type of EGP?
Path Vector
46
What kind of dynamic routing protocol operates using 'routing by rumor'?
Distance Vector
47
What metric does RIP use?
hop count
48
When using a [...] routing protocol, every router creates a 'connectivity map' of the network.
link state
49
Which dynamic routing protocol uses a cost calculated based on interface bandwidth as its metric?
OSPF
50
Which kind of dynamic routing protocol tends to react faster to changes in the network, distance vector or link state?
link state
51
Which kind of routing protocol uses more CPU resources on the router, distance vector or link state?
link state

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