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Exam Solution Manual for Computer Networking IT1080 Already Passed

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Exam Solution Manual for Computer Networking IT1080 Already Passed The Protocol Data Unit (PDU) at the Physical layer is called - Answers Byte A byte is defined as - Answers 8 bits Why are computers based on a binary numbering system? - Answers Computers only understand two states such as "high...

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  • October 12, 2024
  • 10
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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  • computer networking

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  • Computer Networking
  • Computer Networking

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Exam Solution Manual for Computer Networking IT1080 Already Passed

The Protocol Data Unit (PDU) at the Physical layer is called - Answers Byte

A byte is defined as - Answers 8 bits

Why are computers based on a binary numbering system? - Answers Computers only understand two
states such as "high/low" or "true/false"

Each character in hexadecimal represents 8 bits in binary. - Answers False, Each hexadecimal character
represents 4 bits in binary

The Protocol Data Unit (PDU) at the Network Interface layer is called - Answers Frame

Which portion of a packet contains layer-specific information needed to accurately process the packet? -
Answers Header

TCP/IP: name of Layer 1. - Answers Physical

TCP/IP: name of Layer 2. - Answers Network Interface

TCP/IP: name of Layer 3. - Answers Internet

TCP/IP: name of Layer 4. - Answers Transport

TCP/IP: name of Layer 5. - Answers Application

The Protocol Data Unit (PDU) at the Transport layer is called - Answers Segment

Which layer of the TCP/IP model is responsible for routing packets across networks? - Answers Internet

The Protocol Data Unit (PDU) at the Application layer is called - Answers Data

Data created at the Application layer is passed through the Transport, Internet, and Network Interface
layer where header information is added. The information then is presented to the Physical layer where
it it converted into signals to be sent across then network. This process is called - Answers Encapsulation

Which layer of the TCP/IP model is responsible for connecting devices on the same network? - Answers
Network Interface

The transport layer uses what type of unique identifiers to provide application to applications
communication? - Answers Port numbers

Which Internet stream service operates similar to a telephone call? - Answers Connection-oriented

In a message transport model in the Internet, each message delivered will never be - Answers combined
with multiple messages

, The stream transport model in the Internet refers to - Answers a sequence of bytes flowing from one
application program to another

The Internet communication stream paradigm can run over TCP or UDP. - Answers False

A concurrent server uses threads of control to handle requests from multiple clients at the same time. -
Answers True

A packet using the message paradigm is limited to 64 K bytes per message. - Answers True

Which two Internet protocols allow a client to identify a server? - Answers IP address and port number

Peer-to-peer service is implemented as one way to avoid creating a central bottleneck in network
connections. Peer-to-peer architecture is defined as - Answers data distributed equally among a set a
server and each client request is sent to the appropriate server.

Describe the client-server model of interaction. - Answers The server starts first and awaits contact by
the client.

The server must be running before the client can make contact. - Answers True

What is Domain Name System (DNS)? - Answers It is a service that maps human-readable symbolic
names to computer addresses.

The purpose of Name Resolution is to - Answers translate a domain name into an address.

The HTTP request type _______ is used to request a document. - Answers GET

HyperText Markup Language (HTML) is a representation protocol standard that specifies the syntax for a
web page. - Answers True

Select the two purposes of version information in HTTP? - Answers Allows servers to choose highest
version that is understood by both sender and receiver.



Permits protocol to change and still preserve backwards compatibility.

The HTTP request type ______ is used to send data to a server where it replaces a specific item. -
Answers PUT

Simple Mail Transfer Protocol (SMTP) can only transfer text messages. - Answers True

Which of the following does not describe a characteristics of HTML? - Answers HTML is a programming
language used to write web pages.

A browser can reduce download times significantly by saving a copy of each image in a cache on the
user's disk and using the cached copy. - Answers True

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