Chapters 5-9 Flashcards Preview

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Flashcards in Chapters 5-9 Deck (20)
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1
Q

What are the minimum four fields that a routing table should have?

A

Interface
NetID
Metric
Next-Hop

2
Q

What are the two categories of routing protocols that interior gateway protocols can be divided into?

A

Link State Routing Protocols

Distance Vector Routing Protocols

3
Q

If the sender is a host and wants to send a packet to another host on the same network, the logical address that must be mapped to a physical address is…

A

the destination IP address in the datagram header

4
Q

If the sender is a host and wants to send a packet to another host on another network, the logical address that must be mapped to a physical address is…

A

The IP address of the router found in the routing table.

5
Q

If the sender is a router that has received a datagram destined for a host on another network. the logical address that must be mapped to a physical address is…

A

The IP address of the gateway router found in the routing table

6
Q

If the sender is a router that has received a datagram destined for a host on the same network. The logical address that must be mapped to a physical address is…

A

The destination IP address in the datagram header

7
Q

An _______________________ is a collection of networks under a common administrative domain.

A

Autonomous System

8
Q

In computer networking, _____________ route advertisment is a method of preventing routing loops in distance-vector routing protocols by prohibiting a router from advertising a route back into the interface from which that route was learned.

A

Split-Horizon

9
Q

Routing within an autonomous system is referred to as ____________ routing.

A

Intra-domain

10
Q

Routing between an autonomous system is referred to as ____________ routing

A

Inter-domain

11
Q

The idea of IP address aggregation was designed to alleviate the increase in routing tables entries when using ________________.

A

Classless Adressing

12
Q

________________ delivery of a packet occurs when the source and destination of the packet are located on the same physical network or when the delivery is between the last router and the destination host.

A

Direct

13
Q

________________ delivery of a packet occurs when the destination host is not on the same network as the sending host

A

Indirect

14
Q

A __________________ routing protocol requires that a router inform it’s neighbors of topology changes periodically and, in some cases, when a change is detected in the topology of a network.

A

Distance-vector

15
Q

__________________ routing protocols require to inform all the nodes in a network of topology changes.

A

Link-State

16
Q

The Routing Information Protocol (RIP) is an interior gateway routing protocol based on ____________ routing.

A

Distance Vector

17
Q

The Open Shortest Path First (OSPF) protocol is an interior gateway routing protocol based on ________________ routing.

A

Link-State

18
Q

The _________________ is the core routing protocol of the internet.

A

BGP ( is also an external gateway protocol )

19
Q

________________ routing is used to send packets with a remote destination network not in the routing table to the next hop router.

A

Default

20
Q

RIP used only __________________ to determine the best path to an internetwork.

A

Hop Count