The Bits and Bytes of Computer Networking
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Computer practice and networking
- Class notes • 8 pages • 2024
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Is a brief note about how computers are networked together to share information resources and also communicate
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The Bits and Bytes of Computer Networking. Week 3: The Transport and Application Layers Already Passed
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What ordering of TCP flags makes up the Three-way Handshake? SYN, SYN/ACK, ACK; 
The computer that wants to establish a connection sends a packet with the SYN flag set. Then, 
the server responds with a packet with both the SYN and ACK flags set. Finally, the original 
computer sends a packet with just the ACK flag set. 
Transport layer protocols, like TCP and UDP, introduce the concept of a port. How many bits is 
a port field? 16 bits; A TCP or UDP port is a 16-bit number, meaning there are th...
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The Bits and Bytes of Computer Networking Questions and Answers Already Passed
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What are the 5 Networking Layers in order? 5. Application layer 
4. Transport layer 
3. Network layer 
2. data link layer 
1. Physical layer 
Physical Layer This layer has devices that interconnect computers with cabling connectors. It 
sends and receives signals on the physical wire or antenna to transmit the bits found in frames. 
Data Link layer Responsible for defining a common way of interpreting signals, so network 
deices can communicate. 
Network Layer Allows different networks to commun...
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The Bits and Bytes of Computer Networking Questions and Answers Rated A
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TCP/IP Five Layer Model Physical layer , Data link Layer, network Layer, Transport Layer, 
Application Layer 
OSI Model (7 layers) The seven layers Physical, Data link Layer, Network layer, Transport 
Layer, Session Layer, Presentation Layer, Application Layer 
Internetwork The loose collection of networks called "the Internet" is the short form of 
which of the following words? 
a. internetwork c. interarpanet 
b. internexus d. interconnect 
Protocal (Network) code of correct conduct Defined se...
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The Bits and Bytes of Computer Networking Questions and Answers Rated A
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TCP/IP Five Layer Model Physical layer , Data link Layer, network Layer, Transport Layer, 
Application Layer 
OSI Model (7 layers) The seven layers Physical, Data link Layer, Network layer, Transport 
Layer, Session Layer, Presentation Layer, Application Layer 
Internetwork The loose collection of networks called "the Internet" is the short form of 
which of the following words? 
a. internetwork c. interarpanet 
b. internexus d. interconnect 
Protocal (Network) code of correct conduct Defined se...
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The Bits and Bytes of Computer Networking Week 5: Connecting to the Internet Already Passed
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Another term for POTS, or the Plain Old Telephone System, is _______________. Public 
Switched Telephone Network; POTS and PSTN refer to the same thing. 
A baud rate is a measurement of the number of ______________________. bits that can be 
sent across a telephone line every second; A baud rate is equivalent to bits per second. 
.Question 1 
T1 is short for __________. T1 is short for Transmission System 1 
How fast is a T1 line? A T1 communicates at speeds of 1.544 Kb/sec. 
Select all statemen...
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The Bits and Bytes of Computer Networking Week 6: Troubleshooting and the Future of Networking Already Passed
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The protocol used to communicate network errors is known as __________. ICMP, ICMP is 
used to communicate errors back to the client. 
The ping utility sends what message type? echo request; By default, the ping utility sends an 
Echo Request ICMP message type. 
On Windows, one of the tools you can use to verify connectivity to a specific port is ________. 
Test-NetConnection ; Test-NetConnection lets you test many things, including connectivity 
to a specific port on a remote host. 
One of Leve...
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The Bits and Bytes of Computer Networking. Week 1: Networking Basics Already Passed
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Which of the following is an example of a network layer (layer 3) protocol? 
IP, TCP, UDP, Ethernet IP, or Internet Protocol, is the most common network layer protocol. 
What's the difference between a client and a server? A client requests data, and a server 
responds to that request. 
Which of the following are examples of layers of our five-layer network model? Check all that 
apply. 
The physical layer 
The transport layer, 
The presentation layer 
The application layer The physical layer 
T...
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The Bits and Bytes of Computer Networking. Week 1: Networking Basics Already Passed
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Which of the following is an example of a network layer (layer 3) protocol? 
IP, TCP, UDP, Ethernet IP, or Internet Protocol, is the most common network layer protocol. 
What's the difference between a client and a server? A client requests data, and a server 
responds to that request. 
Which of the following are examples of layers of our five-layer network model? Check all that 
apply. 
The physical layer 
The transport layer, 
The presentation layer 
The application layer The physical layer 
T...
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The Bits and Bytes of Computer Networking Week 4 Already Passed
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What transport layer protocol does DNS normally use? 
UDP 
IP 
TCP 
ICMP Great job! While DNS over TCP does exist, UDP is the most common protocol. 
A DNS TTL determines what? TTL stands for Time to Live and determines how long a DNS 
entry can be cached. 
How many root servers are there? 13 root servers. 
An A Record contains what? IPv4 address 
Select all that are true One domain name can point to one IP. 
One domain name can point to many IPs. 
Many domain names can point to the same IP.
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