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Net+ -007 CertMaster > Lesson 4: Configuring IP Networks > Flashcards

Lesson 4: Configuring IP Networks Flashcards

1
Q

Internet Protocol (IP) works on what layer?

A

Layer 3 - Network

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2
Q

T/F IP provides guaranteed delivery

A

F - IP provides best-effort delivery of an unreliable and connectionless nature, delivery is not guaranteed.

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3
Q

What is TTL?

A

Time To Live (TTL)

Maximum hop count

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4
Q

What are the two parts of an IP address?

[192.168.0][.1]

A

First three octets are the Network ID

Last octet is the Host ID

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5
Q

How many bits in an octet

A

8

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6
Q

Network ID

A

This number is common to all hosts on the same network.

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7
Q

Host ID

A

This unique number identifies a host on a particular network

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8
Q

Base 10

A

In base 10 (decimal) a digit can take any one of ten different values (0 through 9)

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9
Q

Base 2

A

In base 2 (binary), digits can take one of two different values (0 and 1)

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10
Q

Default Gateway

A

default gateway is the IP address of a router on the same IP network as the host

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11
Q

How to verify the IP configuration on Windows-based systems?

A

> ipconfig

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12
Q

How to verify IP configuration on Linux systems

A

$ifconfig

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13
Q

What is a use for ICMP

A

Internet Control Message Protocol

ping/echo request/reply

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14
Q

Ping

A

> ping 192.168.0.1

Reply from, round trip time, and packet loss

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15
Q

Ping - Destination unreachable

A

No route to host

Check IP config and router (default gateway)

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16
Q

Ping - No reply/timed out

A

Host/interface is down
Host cannot route the reply
Firewall configuration

17
Q

What does >ping -a and >ping -t do?

A

ping -a resolves host names

ping -t pings continuously until stopped

18
Q

Multicast

A

One-to-many or many-to-many
uses special address ranges
Class D
224.0.0.0 - 239.255.255.255

19
Q

Experimental

A

Class E

240.0.0.0 - 255.255.255.255

20
Q

What is the purpose of subnet design

A

To split up broadcasat domains and reduce broadcast traffic to improve performance.
Create logically distinct zones for security and administration

Net+ -007 CertMaster (5 decks)

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