Which is the best example of scalability?

Zoom was able to handle thousands of unexpected clients during the pandemic

When a network connection is secured, that means...

Data is encrypted before being sent online, Other users on the same network can't read your packets

When I type "www.gmail.com" into my web browser and hit enter,which of the following connections does my computer make?

Requests the IP address of a Gmail server from a DNS server

What is a network protocol?

An set of rules that computers follow

Which is the most true description of the client-server model?

Servers are always online and wait for requests from clients.

What does the JPEG protocol do?

Stores images with some data loss

The SMS protocol is used for...

Limited length text data transfer

Which of these best describes the redundancy of the Internet?

There are many paths for information to travel from point A to point B.

Which of the following is true about how packets are sent over the Internet?

Packets are frequently lost along the way to their destination

What is an IP address?

A way of indicating the location of a device

What's the big problem with IPv4 protocol?

Not enough IP addresses, Designed in the era of 32 bit processors

Which of these best describes fault-tolerance on the Internet?

The ability to transmit data even when some connections have failed, Information on the Internet is broken up into packets

What does DNS (Domain Name System) protocol do?

Translates domain names into IP addresses

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Computer Networking Basics

19 termsStudBud Administration8 plays

Corresponds to UC Berkeley "Beauty and Joy of Computing" lesson U4L1.

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Questions 19

Answers

1
Which is the best example of scalability?
Blade-style servers can be swapped in a data center whenever a server fails
Nintendo's eShop servers crash every year on Christmas Day
Data scientists add a separate graphics card for each core in their CPU
Zoom was able to handle thousands of unexpected clients during the pandemic
2
Which is the most reliable connection?
Coaxial Ethernet cabling
802.11ax WiFi
Fiber optic cabling
Pony Express riders
3
The POP3 protocol is used for...
Transferring files
Email
Streaming audio data
Website data
4
When a network connection is secured, that means...
Hackers cannot get into your data
A special certificate must be purchased
Data is encrypted before being sent online
Other users on the same network can't read your packets
5
When I type "www.gmail.com" into my web browser and hit enter,which of the following connections does my computer make?
Request the IP address of a Gmail server from a TCP server
Open a socket to a Gmail server, then transfer packets
Requests the IP address of a Gmail server from a DNS server
Request DNS data from a Gmail server, then transfer packets
6
What is a network protocol?
A device that connects a computer to network hardware
A special website that is assigned to PCs
An set of rules that computers follow
A decision made by a router
7
Which is the most true description of the client-server model?
Servers are always online and wait for requests from clients.
Servers cannot be clients of other servers.
Clients don't communicate with each other, for security.
Servers use special hardware to ensure reliability.
8
What does the JPEG protocol do?
Stores images with some data loss
Transfers visual data from cameras to servers
Stores images with an accurate bitmap
Allows image files to be sequenced in an animation
9
The SMS protocol is used for...
Sending photos between devices
Limited length text data transfer
Connecting to a computer network
Transferring files
10
Which of these best describes the redundancy of the Internet?
A router directs a packet by reading its destination IP address.
The Internet can handle billions of unique users at once.
Information on the Internet is broken up into packets.
There are many paths for information to travel from point A to point B.
11
Which of the following is true about how packets are sent over the Internet?
The packets for a file all travel the same route through the Internet
Packets are received in the same order they are sent
If TCP does not receive all the packets, every single packet must be resent
Packets are frequently lost along the way to their destination
12
What is an IP address?
A way of deleting viruses
A way of sending information
A way of indicating the location of a device
A way of tracing a connection
13
What is the minimum number of connections that must be broken before routers E and F can no longer communicate?
4
3
2
1
14
What's the big problem with IPv4 protocol?
MIT owns too many addreses
Not enough IP addresses
Allows Mark Zuckerberg to read your messages
Designed in the era of 32 bit processors
15
Which of these best describes fault-tolerance on the Internet?
The ability to stop cyberattacks
The ability to transmit data even when some connections have failed
Information on the Internet is broken up into packets
The ability for the Internet to handle billions of unique users
16
What was the name of the "first Internet" which went online in 1969?
NSFNET
ARPANET
NOTHING BUT NET
SKYNET
17
What does DNS (Domain Name System) protocol do?
Maintains a central repository of servers
Translates domain names into IP addresses
Allows users worldwide to register websites
Allows programmers to submit and patch code
18
The FTP protocol is used for...
Streaming audio data
Transferring files
Email
Website data
19
The HTTP protocol is used for...
Website data
Email
Transferring files
Streaming audio data

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