Core Network Protocols

Understanding Network Packets, Protocols and Archtectures

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Peter Langrock

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Peter Langrock

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This flashcard set covers fundamental network protocols at a vocational school level, focusing on key concepts like IP addressing, ARP, Ethernet framing, and various network devices. It delves into protocol layers, message types, and network addressing schemes, including MAC and IP addresses. Ideal for networking professionals and students, this set helps understand how different protocols interact within a network, ensuring efficient data transmission and network management.

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122

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Sprache

Englisch

Kategorie

Informatik

Stufe

Berufslehre

Erstellt / Aktualisiert

03.09.2014 / 16.09.2020

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What is WPA-PSK?

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What is the payload of an ICMP echo request from Windows?

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Provide two examples of ICMP messages that include 64 bits of the original message.

Redirect, destination unreachable, time exceeded

What is the "all routers multicast" address?

224.0.0.2

What is the IP "next header" or protocol value for ICMP?

Router solicitations and advertisements are not very common. What protocol is used instead?

DHCP

What is the IPv6 process that replaces ARP and uses several different types of ICPv6 messages?

Neighbor discovery

What are the type and code values of the ICMP network destination unreachable message?

3 and 0

What event causes an ICMP time exceeded message to be generated?

The IP TTL field is decremented to 0

Instead of a TCP or UDP port number, what value is used when forwarding ICMP packets through a NAT router?

The ICMP indentifier

On the receiving host, what is the effect of an ICMP redirect message?

A route is added to the local host routing table for use in subsequent transmissions

What is DOS?

Disk Operating System

What is ASCII?

American Standard Code for Information Interchange

What is CIDR?

Classless Inter Domain Routing

What is the Name of the process by which an upper- layer protocol is wrapped up in a lower- layer protocol?

Tastatur-Befehle:

= drehen,

= vor-/rückwärts,

= scrollen

Encapsulation

What two documents specify the standardization of the OSI model?

XPC 3876

ISO/IEC 7498

RFC 4711

ITU-T X.200

Tastatur-Befehle:

= drehen,

= vor-/rückwärts,

= scrollen

XPC 3876

ISO/IEC 7498

RFC 4711

ITU-T X.200

How many layers are in the OSI and TCP/IP models, respectively?

Tastatur-Befehle:

= drehen,

= vor-/rückwärts,

= scrollen

7/5

Name the layers of the OSI model.

Tastatur-Befehle:

= drehen,

= vor-/rückwärts,

= scrollen

Application, Presentation, Session, Transport, Network, Data Link, Physical

Name the layers of the TCP/IP model.

Tastatur-Befehle:

= drehen,

= vor-/rückwärts,

= scrollen

Application, Transport, Internet, Data Link, Physical

What two documents present and detail the use of the TCP/IP model?

Tastatur-Befehle:

= drehen,

= vor-/rückwärts,

= scrollen

RFCs 1122 and 1123

There are two forms of communication described in both standards. These forms are predominantly part of Layers 3 and 4. What are they?

Tastatur-Befehle:

= drehen,

= vor-/rückwärts,

= scrollen

Connection mode (oriented) and connectionless-mode

Network administrators typically have the ability to use whatever protocols they wish, regardless of the layer in question. True or false?

true

false

maybe

Tastatur-Befehle:

= drehen,

= vor-/rückwärts,

= scrollen

true

false

maybe

One big difference between the documentation of the TCP/IP and OSI standards is that the TCP/IP RFC specifies the protocols to be used and the OSI ITU-T model documentation does not. True or False?

True

False

Maybe

Tastatur-Befehle:

= drehen,

= vor-/rückwärts,

= scrollen

True

False

Maybe

For each address type or device, spezify its proper layer (Layer1, Layer 2, Layer 3 or Layer 4)

Switch

Router

Gateway

MAC address

IP address

Port number

Layer 2, Layer 3, Layer 4, Layer 2, Layer 3, Layer 4

What is IP?

Internet Protocol

What is ARP?

Adress Resolution Protocol

What is ICMP?

Internet Control Message Protocol

What is the IEEE?

Institute of Electrical and Electronic Engineers

What is ITU-T?

International Telecommunication Unit for Telecommunications

What is RFC?

Request for Comment

What is TCP/IP?

Transmission Control Protocol / Internet Protocol

What is URL?

Uniform Resource Locator

What is HTML?

Hyper Text Markup Language

1 / 122

Lernkarten

What is ASCII?

American Standard Code for Information Interchange

What is CIDR?

Classless Inter Domain Routing

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Core Network Protocols

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