Chapter 2

¡Supera tus tareas y exámenes ahora con Quizwiz!

The side wishing to close a TCP segment sends a(n) ________ segment.

FIN

Ethernet detects errors but does not correct them. Therefore, Ethernet is reliable.

False

True or False A corporate network can use either OSI standards at all layers or TCP/IP standards at all layers, but cannot use OSI standards at some layers and TCP/IP standards at other layers.

False

True or False, Binary counting usually begins at 1.

False

True or False, IP is reliable

False

True or False, Nearly all application standards are simple, like HTTP.

False

True or false, IP is reliable

False

True or false, If you have a field with N bits, you can represent N2 items.

False

True or false, Nearly all application standards are simple, like HTTP.

False

True or false, Routers make forward decisions based on a packet's source IP address

False

Which of the following is a standards agency for TCP/IP?

IETF

Which of the following is a standard? TCP/IP IP

IP

Which of the following is a standards agency for OSI?

ITU-T

Which of the following is NOT an OSI layer name?

Internet

Which of the following is a network standards architecture? ISO TCP/IP

Both

Which of the following is a network standards architecture?

Both ISO and OSI

Which of the following is a network standards architecture? ISO TCP/IP

Both ISO and TCP/IP

OSI is dominant at the ________ layer.

Both internet and transport

TCP/IP is dominant at the ________ layer(s). Physical Data Link

Both physical and data link

In HTTP, the end of a header field is indicated by a ________.

CRLF

True or false

Messages always have data fields.

If the destination host finds an error in an Ethernet frame, it ________.

Neither sends back a NAK nor retransmits the frame

Which of the following protocol is reliable NCP IP UDP TCP

TCP

After the side wishing to close a TCP connection sends a FIN segment, it will ________.

only send ACK segments

True or false, If the ACK bit is set, the acknowledgement number field MUST have a value.

true

True or false, In HTTP, most response message header fields consist of a keyword, an equal sign, and the value for the keyword.

true

True or False, Network standards architectures break the standards functionality needed for communication into layers and define the functions of each layer.

True

True or False, The trailer is defined as everything that comes after the data field

True

True or false, Headers usually are divided into fields.

True

True or false, Increasing an alternatives field length by one bit always doubles the number of alternatives it can represent.

True

True or false, The header is defined as everything that comes before the data field.

True

Which of the following layers has the most standards?

Application

True or false, Headers usually are divided into fields.

true

At which layer would you find standards for requesting videos from a video sharing site such as YouTube?

Application

In binary, 13 is 1101. What is 14?

1110

A 5-bit field can represent ________ alternatives.

32

In an IP header, the first bit in the second row is bit ________.

32

At which layer would you find file transfer protocol standards for downloading files?

Application

How many bytes will it take to transmit "Brain Dead" without the quotation marks? 2 3 9

None of these

Which standards architecture is dominant at the application layer? OSI TCP/IP IEEE

None of these

Switched WAN transmission is governed by ________ standards.

OSI

What is the dominant network standards architecture in most real firms today?

OSI

Which standards architecture is dominant at the application layer?

OSI

Wireless LAN transmission normally is governed by ________ standards.

OSI

OSI is dominant at the ________ layer.

Physical

Which layer process does not do encapsulation when an application layer process transmits a message?

Physical

Most IETF documents are called ________.

RFC's

Which of the following is not one of the three general parts of messages? Address Header Data field Trailer

Trailer

The OSI presentation layer is actually used ________.

as a category for data file standards used by multiple applications

________ read(s) the destination MAC address in an Ethernet frame. The destination host Switches in the network

both

Standards govern ________.

both semantics and syntax

On a client, ephemeral port numbers indicate ________.

connections with servers

OSI is dominant at the ________ layer.

data link

Converting application messages into bits is called ________.

encoding

The range 1024 to 4999 is the usual range for ________ port numbers.

ephemeral

True or false, Ethernet detects errors but does not correct them. Therefore, Ethernet is reliable.

false

How many bytes will it take to transmit "Can you hear me now?" without the quotation marks? 5 6 10

none of these

TCP/IP became dominant in corporations primarily because of ________.

its relatively simple standards, which led to low costs

Ethernet does ________.

neither error detection nor error correction

6,000 is in the range for ________ port numbers.

neither well-known nor ephemral

If the destination host receives a segment that has an error, it will ________. ACK NAC RST

none

TCP messages are called ________. frames fragments packets

none

If the destination host does not receive a segment, it will ________. transmit an ACK segment Transmit a NAC segment transmit a RSND segment

none of the above

How long are IPv4 addresses? 32 octets 48 bits 20 octets

none of these

After the data link layer process does encapsulation, it passes the IP packet to the ________ layer process.

physical

The OSI ________ layer is designed to handle data formatting differences between two computers.

presentation

The meaning of a message is referred to as the message's ________.

semantics

The OSI ________ layer allows application communication to be restarted at the last rollback point.

session

TCP/IP is dominant at the ________ layer(s)

transport


Conjuntos de estudio relacionados

Openstax Sociology Chapter 11-12, 14-15, 17-18, 20-21

View Set

Coal, Oil & Natural Gas Study Guide

View Set

Book: Thuật ngữ V-A về Ngoại giao (P2)

View Set

History 7th grade comp study guide for Hannah

View Set

Mental Health ........... Evolve Questions

View Set

Adaptive Learning: File Management

View Set

Earth Science - 3A : Section Review Questions - sarahbiblecat

View Set