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Google IT Cert: Course 2 > Bits & Bytes: Week 2, III - Routing > Flashcards

Bits & Bytes: Week 2, III - Routing Flashcards

1
Q

a router is a network device that forwards traffic depending on the destination address of that traffic

A

basic definition of a router

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2
Q

In which layer of the TCP/IP address model is the routher?

A

the Network Layer

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3
Q

In a routing table, what is the column containing a row for each known network called?

A

Destination Network Column

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4
Q

What two things are in the destination network column of a routing table?

A

the network ID and network mask

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5
Q

???

A

Catchall Address

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6
Q

The number of times a package passes through a different router before reaching its destination is called…

A

Total Hops

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7
Q

What is the public router interface called?

A

The WAN Interface

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8
Q

What is the private router interface called?

A

The LAN interface

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9
Q

ACRONYM:

WAN

A

Wide Area Network

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10
Q

ACRONYM:

DHCP

A

Dynamic Host Configuration Protocol

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11
Q

What is the name of the protocol used when a computer is assigned an IP address from the router?

A

Dynamic Host Configuration Protocol

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12
Q

What do routers follow in order to speak to each other and share routing information?

A

Routing Protocols

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13
Q

Which protocol does a router use to share information within a single, autonomous system?

A

Interior Gateway Protocols

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14
Q

What is the term for a collection of networks that are all under the control of the same network operator?

A

An autonomous system

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15
Q

What are the two main types of interior gateway protocols?

A

Link state routing protocols and distance-vector protocols

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16
Q

What is a computer science term meaning list?

A

a Vector

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17
Q

This interior gateway protocol is older and consists of routers sharing lists of all of the networks they know and how many hops it takes to get to each network

A

Distance-vector protocol (basically, when a router sends a list, or vector, of the distance of networks)

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18
Q

Using this interior gateway protocol, each router advertises the state of the connection of each of its interfaces and runs algorithms to find the best path to a destination at a particular moment.

A

Link state routing protocol

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19
Q

ACRONYM:

IANA

A

Internet Assigned Numbers Authority

20
Q

This type of routing protocol communicates data between routers representing the edge of an autonomous system

A

Exterior gateway protocol

21
Q

ACRONYM:

ASN

A

Autonomous System Number Allocation

22
Q

This non-profit organization manages IP address allocation and ASNs

A

Internet Assigned Numbers Authority

23
Q

What kind of router connects with a core internet router?

A

An edge router

24
Q

How many bits is an ASN?

A

32 bits

25
Q

How many bits are in an IP address?

A

32 bits

26
Q

ACRONYM:

OSPF

A

Open Shortest Path First

27
Q

What is the name of the most common link state protocol?

A

Open Shortest Path First

28
Q

ACRONYM:

RIP

A

Routing Information Protocol

29
Q

What kind of a routing protocol is RIP?

A

Distance Vector Protocol

30
Q

ACRONYM:

EIGRP

A

Enhanced Interior Gateway Routing Protocol

31
Q

What kind of routing protocol is RIP?

A

Distance Vector Protocol

32
Q

What is the only exterior gateway protocol in use today?

A

Border Gateway Protocol (BGP)

33
Q

ACRONYM:

BGP

A

Border Gateway Protocol

34
Q

What is is the network of physical objects embedded with electronics, software, sensors, actuators, and connectivity to enable objects to exchange data with the manufacturer, operator and/or other connected devices>

A

The Internet of Things

35
Q

Between EIGRP and RIP, which is generally more preferred?

A

EIGRP

36
Q

Why is EIGRP faster than other distance vector protocols?

A

It sends incremental updates which reduces the workload and amount of data transferred between routers.

37
Q

What is the term for when routers update their tables is the network topology changes?

A

Dynamic Routing

38
Q

What does link state routing protocol offer that distance vector protocol does not?

A

Information on the status of a route; distance vector protocol only knows the shortest route in terms of hops but not if that route is optimally functioning

39
Q

ACRONYM:

RFC

A

Request for Comments

40
Q

What what was established in RFC 1918?

A

Non-routable address space

41
Q

What are the three following IPs:

  • 10.0.0.0/8
  • 172.16.0.0/12
  • 192.168.0.0/16
A

the primary 3 ranges of non-routable address space

42
Q

ACRONYM:

IETF

A

Internet Engineering Task Force

43
Q

This open community develops and maintains the standards required for the internet to continue to operate

A

the Internet Engineering Task Force (IETF)

44
Q

This is a range of IP addresses that cannot be routed to from an outside network

A

Non-Routable Address Space

45
Q

This term refers to a range of IP addresses that are owned by no one and can be used by everyone

A

Non-Routable Address Space

Google IT Cert: Course 2 (14 decks)

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