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TSM 343 > Chapter 1 - 3 > Flashcards

Chapter 1 - 3 Flashcards

1
Q

Well-known services ports

A

0-1024

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2
Q

The name of the group responsible for drafting, testing, proposing and maintaining official internet standards.

A

IETF Internet Engineering task force

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3
Q

The group responsible for managing all internet domain names, network addresses and protocol parameters.

A

ICANN Internet corporation for assigned names and numbers

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4
Q

RFC

A

Request for comments

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5
Q

RFC process order

A
  1. Proposed Standard 2. Draft Standard 3. internet standard 4. retired standard or historic standard
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6
Q

OSI network reference layers

A
  1. Application layer 6. Presentation layer 5. Session layer 4. Transport layer 3. Network layer 2. Data link layer 1. Physical layer
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7
Q

Data link layer pdu

A

frames

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8
Q

Network layer pdu

A

packet

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9
Q

transport layer pdu

A

segment

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10
Q

Session layer includes mechanisms to maintain reliable ongoing conversations, called___

A

checkpoints

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11
Q

data link layer addressing

A

MAC address

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12
Q

Network layer addressing

A

IP address

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13
Q

Combining the various sources of outgoing data into a single output data stream is called___

A

multiplexing

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14
Q

______is the process of tapping into the network communications system, capturing packets that cross the network, gathering network statisticss, and decoding the packets into readable form.

A

protocol analysis

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15
Q

Three options for analyzing switched networks:

A
  1. Hubbing out 2. Port redirection 3. Remote monitoring
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16
Q

The minimum ethernet frame size is ___

A

64 bytes

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17
Q

The maximum ethernet frame size is ____

A

1518 bytes

18
Q

Ethernet II frame structure

A
  1. Preamble 8 bytes 2. Destination address 6 bytes 3. Source address 6 bytes 4. type field 2 bytes 5. Data field 46-1500 bytes 6. Frame check sequence 4 bytes
19
Q

Frame check sequence field includes the result of the ____

A

CRC

20
Q

Flags field bit 0

A

reserved: set to 0

21
Q

Flags field bit 1

A

Don’t fragment bit: 0=may fragment 1=don’t fragment

22
Q

Flags field bit 2

A

More fragments bit: 0=last fragment; 1=more to come

23
Q

IP protocol field # 1

A

ICMP

24
Q

IP protocol field #6

A

TCP

25
Q

IP protocol field #17

A

UDP

26
Q

The primary function of the _______layer is to provide a globally unique address to every host on the internet and paths to and from hosts.

A

network

27
Q

When two or more RFCs cover the same topic they usually also share the same title. True or false

A

True

28
Q

_________involves cutting up a big message into a numbered sequence of chunks, called segments, in which each chunk represents the maximum data payload that the network media can carry between sender and receiver.

A

segmentation

29
Q

The Session layer includes mechanisms to maintain reliable ongoing conversations, called ____________________.

A

checkpoints

30
Q

The most important TCP/IP Network Access layer protocol is ____________________.

A

PPP Point-to-Point-Protocol point-to-point-protocol

31
Q

TCP/IP application processes are sometimes called ____ and are identified by port numbers.

A

network services

32
Q

____ is considered a premium service connection, offering a service that appears as a “virtual lease line” between end points.

A

expedited forwarding

33
Q

____ is used to obtain an IP address for an associated data link address.

A

RARP

34
Q

The ____ field provides error detection on the contents of the IP header only.

A

IP header checksum

35
Q

IP fragmentation enables a larger packet (for example, a token ring 4,096-byte packet) to be automatically fragmented by a ____ into smaller packets to cross a link that supports a smaller MTU, such as an Ethernet link.

A

router

36
Q

____ was designed to provide devices with a method for notifying each other that a link is experiencing congestion before the routers start to drop packets.

A

Explicit Congestion Notification

37
Q

The ____________________ field is a two-byte field that provides bit-level integrity checks for data as sent.

A

FCS Frame-check-sequence

38
Q

When a packet is fragmented, all fragments are given different TTL values. true of false

A

false

39
Q

0x0800

A

IPv4

40
Q

0x0806

A

ARP

41
Q

IP Header fields

A
  1. Version 2. Hdr length 3. Type of Service 4. Total lenght 5. Identification 6. Flags 7. Fragment offset 8. Time to live 9. Protocol 10. Header checksum 11. Source IP 12. Dest IP 13. Options (if any)

TSM 343 (4 decks)

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