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Computer Networking > NET-05-P1 IP & Routing Concepts > Flashcards

NET-05-P1 IP & Routing Concepts Flashcards

1
Q

The most common numbering system consists of ten numbers, 0-9 and it is called the decimal system. The system is based on the 10 fingers we used to count and is known as the base-10 numeral system

A

Decimal

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2
Q

is an alternative number system that consists of only two numbers:0 and 1. This system is used by computers, which communicate by transmitting negative and positive electrical currents

A

Binary

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3
Q

is a number system that consists of 16 characters, and is known as the base-16 numeral system.

A

Hexadecimal

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4
Q

Formula for Positional Notation

A

[number] = [digit] * [base] ^ [position]

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5
Q

divide the binary number into groups of 4 digits

A

Binary to Hex

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6
Q

8 numbers in the binary conversion table

A

128 64 32 16 8 4 2 1

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7
Q

Data, devices (end and intermediary), media,

A

refer to panopto video for answer

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8
Q

enable inter-network communication, and can provide services such ACL and NAT, which are required in any networking scheme

A

Routers

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9
Q

operates at a speed of 100 mbps and uses the media standard 100BaseT

A

Fast Ethernet Interface

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10
Q

supports speeds faster than 1000 mbps. uses media standard 1000baseT but can also support 100 mbps

A

Gigabit Ethernet Interface

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11
Q

used for long distance transmissions. If two serial ports need to communicate with each other, they must be synchronized with the same clock frequency and allocate the necessary bandwidth

A

Serial Interface

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12
Q

multiple people sharing to a group

A

multicast

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13
Q

a backdoor or service entrance into a router

A

Console

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14
Q

devices need rules. router interfaces need to be set up with IP addresses, similar to computer network interfaces

A

Interface Configuration

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15
Q

virtual or logical interface under router that is not physical

A

Loopback interface

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16
Q

provision your physical interface and put an IP address

A

Loopback interface configuration

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17
Q

sharing in a group amongst everyone

A

Multicast

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18
Q

one person sharing to everyone

A

broadcast

19
Q

moves packet to one LAN to another LAN

A

Router

20
Q

In the first step, the router decides whether to process a packet or ignore it. Routers will ignore packets with errors, or packed they don’t know how to process

A

Routing Process: Examination

21
Q

In the second step, the router examines the Layer 2 address to decide if the packet was intended for itself (the default gateway), and verifies the integrity of the frame using the FCS (Layer 2 trailer

A

Routing Process: Decapsulation

22
Q

In the third step, The router decides where to forward the packet to, based on its destination IP address and the routing table

A

Routing Process: Decision-making

23
Q

In the fourth step, the router re-encapsulates the packet with new Layer 2 Leaders for the next hop, according to the decision made in step 3. (Think of encapsulate like an envelope. Like writing a love letter or a voice message into a packet. If it is well formed it will go through. if not it will not be sent.)

A

Routing Process: Encapsulation

24
Q

In the fifth step, after a decision is made, the router forwards the packet to the interface from which the packet must exit

A

Routing Process: Forwarding

25
Q

If there is no static or dynamic route in the network device’s routing table, it will forward the packet to its default gateway or last resort

A

No Route

26
Q

If there is no gateway of last resort and the destination packet is not listed, the router will discard the packet

A

No gateway

27
Q

This table contains data stored in the router, with lists of routes to possible network destinations

A

The Routing Table

28
Q

This command displays the routing table and is run in Enable Mode

A

Show IP route

29
Q

When inspecting the routing table, records identified by the codes C or L indicate directly connected networks

A

Directly Connected / Local Route

30
Q

This route in the Routing table codes are configured and recorded manually, and are identified in the routing table by the letter S

A

Static Route

31
Q

This route in the Routing table codes are identified with unique letters that indicate the dynamic protocol as Follows:

D - EIGRP routing protocol
O - OSPF routing protocol
R - RIP routing protocol

A

Dynamic Route

32
Q

addresses consist of 32 bits for addressing and it is divided into 4 sections of 8 also called dotted decimal notation

A

IPv4

33
Q

is also 32 bits and to tell the computer what portion of the IP address is for the network

A

Subnet Mask

34
Q

divides IPv4 space into 5 classes, based on the 4 Leading address bits

A

Classful Addressing

35
Q

What are Private IP addresses also called

A

RFC1918 - Request for Comment

36
Q

What are the Private IP Ranges

A
  1. 0.0.0 - 10.255.255.255 - Large networks - A
  2. 16.0.0 - 171.31.255.255 - medium networks - B
  3. 168.0.0 - 192.168.255.255 - small networks - C
37
Q

has larger IP space - 128 bits - represented with hexadecimal

A

IPv6

38
Q

first step: a full address contains all 8 blocks, with 4 hexadecimal digits

A

Compressing IP addresses: Full address

39
Q

second step: The first rule allows us to discard leading zeros in a block, making the address a bit shorter

A

Compressing IP addresses: Leading Zeros

40
Q

third step: If two or more blocks contain consecutive zeros, they can be omitted and replaced with double colon signs (::)

A

Compressing IP addresses: Consecutive Zeros

41
Q

fourth step: if there is a block that consists of 4 zeros, but without a consecutive zero-filled block, it can be replaced with a single zero

A

Compressing IP addresses: Zero Block

42
Q

IPv6 unicast addresses that can be assigned to multiple devices.

A

Anycast

43
Q

similar to IPv4 public address and is unique and can be routed via internet

A

Global Unicast

44
Q

FE80::/`10 hint: Fetty Wap

A

Link-local

Computer Networking (23 decks)

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