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Electronics > Networks 2 > Flashcards

Networks 2 Flashcards

1
Q

Port 20

A

FTP Data - TCP - (Action)

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2
Q

Port 21

A

FTP Control - TCP - (Action)

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3
Q

Port 22

A

SSH - TCP - (Action)

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4
Q

Port 23

A

Telnet - TCP - (Action)

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5
Q

Port 25

A

SMTP - TCP - (Service)

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6
Q

Port 53

A

DNS - TCP / UDP - (Service)

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7
Q

Port 68/67

A

DHCP - UDP - (Service)

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8
Q

Port 69

A

TFTP - UDP - (Service)

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9
Q

Port 80

A

HTTP - TCP - (Service)

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10
Q

Port 123

A

NTP - UDP - (Service)

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11
Q

Port 143

A

IMAP - TCP - (Service)

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12
Q

Port 443

A

HTTPS - TCP - (Service)

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13
Q

Port 445

A

Server Message Block - TCP - (Service)

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14
Q

Port 161 - 162

A

Simple Network Management Protocol - UDP - (Service)

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15
Q

Port 3389

A

RDP - TCP - (Action)

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16
Q

Port 5060

A

SIP - TCP / UDP - (VoIP)

17
Q

Port 6970 - 6999

A

RTP - UDP - (VoIP and Other)

18
Q

Compare “workgroups” and “domains” as they apply to network administration.

A

Workgroups are small; unmanaged (<15)

Domains are large; centrally managed (>4 billion)

19
Q

How many bits are in an IPv4 address?

20
Q

How many bytes/octets are in an IPv4 address?

21
Q

How many bits are in an IPv6 address?

22
Q

How many bytes/octets are in an IPv6 address?

23
Q

What are the 2 portions of an IPv6 address?

A

Network ID (Network Routing Portion)

Interface ID (Host Portion)

24
Q

An IPv6 address is broken down into two portions. How do I use the MAC address to create one of those portions?

A

MAC = OUI /slice/ FF:FE /slice/ Interface Specific

25
Q

Break down the IP address classes and their IP addresses. (Only cite the first octet values)

A

A - 0 - 127
B - 128 - 191
C - 192 - 223
D - 224 - 239

26
Q

List the default subnet masks and CIDR notation for each IP address class.

A

A - 255.0.0.0 - /8
B - 255.255.0.0 - /16
C - 255.255.255.0 - /24

27
Q

List each of the three Private IP address classes and their associated IP addresses.

A

A - 10.x.x.x
B - 172.(16-31).x.x
C - 192.168.x.x

28
Q

List at least two “reserved” addresses. You cannot use Private IP addresses in your answer.

A

Network ID - …0
Broadcast - …255
Loopback - 127.x.x.x

29
Q

What IP addresses are associated with APIPA?

A

169.254.x.x

30
Q

What protocol header contains the TTL field?

31
Q

What layer of the OSI model does IP appear on?

32
Q

What network device acts/uses IP?

33
Q

Why is it important to have a TTL?

A

Garbage collection (if no packet life then Network gets bogged down by old packets)

34
Q

Sketch out the TCP 3-way handshake process used by all TCP protocols to initiate a session.

A

Client (Source) Server (Target)

                        Sin
                        --->

                    Sin-Ack

Electronics (13 decks)

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