IS 404 FINAL QUESTIONS WITH VERIFIED ANSWERS
"Server" refers to both hardware and software. - Answers - True
What is the term that refers to the combination of address and port that a server uses to
listen and respond? - Answers - Socket
What type of server would be used to serve a website like www.google.com - Answers -
Web server
What technology was developed as a solution to the problem that mainframes and
computers were so powerful that their resources needed to be split and shared? -
Answers - Virtualization
Which of the following costs must be considered with running a server yourself (check
all that apply)? - Answers - Hardware, Cooling, Benefits and salary
Cloud computing is essentially renting a computer from someone else who manages it
for you. - Answers - True
Which of the following is the "juggernaut" in the cloud computing space? - Answers -
Amazon Web Services
Dropbox is an example of which type of cloud service? - Answers - SaaS
What is the main distinguishing difference between PaaS and IaaS? - Answers - With
PaaS, the provider manager server software and the OS
If your AWS security key gets out, you are responsible for the costs incurred. - Answers
- True
The command you would enter to tell you what directory you are currently viewing. -
Answers - pwd
The command you would enter to move up one directory in the filesystem. - Answers -
cd ..
The command you would enter to go to your home directory. - Answers - cd ~
The command you would enter to create a directory called "coolstuff" in the current
directory. - Answers - mkdir coolstuff
The symbol you would enter to pipe the output of a command into a file. - Answers - >
, The command you can use to view the contents of a file all at once. - Answers - cat
The symbol you can type to pipe the output of one command to be the input for another.
- Answers - |
The symbol you can put at the beginning of a file or directory name to hide it by default.
- Answers - .
Which of the following is not one of the purposes of networking models like TCP/IP? -
Answers - To decide exactly how each layer should operate.
In a TCP/IP network model, each layer is completely independent of the others. -
Answers -
What is main difference between the OSI and TCP/IP models? - Answers - OSI has 7
layers, and TCP/IP has 4 (or 5)
The TCP/IP model has 4 layers, and only 4 layers, no matter who you talk to. - Answers
-
The encapsulation that happens to data through the layers is best compared to what? -
Answers - Envelopes
Which layer is concerned with the bits and bytes that are transmitted through wires? -
Answers - Internet
Which layer is concerned with computers that are connected on a local network,
sending messages directly to each other? - Answers - Data link
Which layer contains the logical address (IP address)? - Answers - Internet
Which layer contains ports that provide a way for applications to wait for a connection? -
Answers - Transport
Which of the following are required to create a socket (check all that apply)? - Answers -
Transport protocol, Port number, IP address
As data is being encapsulated for sending across the network (within a device), which
layer does the Internet layer receive data from? - Answers - Transport
Routers on a network use information up to which layer in the TCP/IP model? - Answers
- Internet
What was the first technology to send data through digital signals? - Answers -
Telegraph
"Server" refers to both hardware and software. - Answers - True
What is the term that refers to the combination of address and port that a server uses to
listen and respond? - Answers - Socket
What type of server would be used to serve a website like www.google.com - Answers -
Web server
What technology was developed as a solution to the problem that mainframes and
computers were so powerful that their resources needed to be split and shared? -
Answers - Virtualization
Which of the following costs must be considered with running a server yourself (check
all that apply)? - Answers - Hardware, Cooling, Benefits and salary
Cloud computing is essentially renting a computer from someone else who manages it
for you. - Answers - True
Which of the following is the "juggernaut" in the cloud computing space? - Answers -
Amazon Web Services
Dropbox is an example of which type of cloud service? - Answers - SaaS
What is the main distinguishing difference between PaaS and IaaS? - Answers - With
PaaS, the provider manager server software and the OS
If your AWS security key gets out, you are responsible for the costs incurred. - Answers
- True
The command you would enter to tell you what directory you are currently viewing. -
Answers - pwd
The command you would enter to move up one directory in the filesystem. - Answers -
cd ..
The command you would enter to go to your home directory. - Answers - cd ~
The command you would enter to create a directory called "coolstuff" in the current
directory. - Answers - mkdir coolstuff
The symbol you would enter to pipe the output of a command into a file. - Answers - >
, The command you can use to view the contents of a file all at once. - Answers - cat
The symbol you can type to pipe the output of one command to be the input for another.
- Answers - |
The symbol you can put at the beginning of a file or directory name to hide it by default.
- Answers - .
Which of the following is not one of the purposes of networking models like TCP/IP? -
Answers - To decide exactly how each layer should operate.
In a TCP/IP network model, each layer is completely independent of the others. -
Answers -
What is main difference between the OSI and TCP/IP models? - Answers - OSI has 7
layers, and TCP/IP has 4 (or 5)
The TCP/IP model has 4 layers, and only 4 layers, no matter who you talk to. - Answers
-
The encapsulation that happens to data through the layers is best compared to what? -
Answers - Envelopes
Which layer is concerned with the bits and bytes that are transmitted through wires? -
Answers - Internet
Which layer is concerned with computers that are connected on a local network,
sending messages directly to each other? - Answers - Data link
Which layer contains the logical address (IP address)? - Answers - Internet
Which layer contains ports that provide a way for applications to wait for a connection? -
Answers - Transport
Which of the following are required to create a socket (check all that apply)? - Answers -
Transport protocol, Port number, IP address
As data is being encapsulated for sending across the network (within a device), which
layer does the Internet layer receive data from? - Answers - Transport
Routers on a network use information up to which layer in the TCP/IP model? - Answers
- Internet
What was the first technology to send data through digital signals? - Answers -
Telegraph
