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WorksheetsInternet Concepts
Total questions: 13
Worksheet time: 7mins
What is a computer network?
A way to connect devices to share data
Web pages that can be shared globally
A dedicated phone line from one computer to another
A set of passwords needed to access computer software
What is the name for a setup where processing is done at the sending and receiving locations?
LAN
Point-to-point environment
End-to-end architecture
Redundant organization
What is the number assigned to devices on the Internet?
Internet Protocol address
Domain name
Host name
Router instructions
What does a DNS server do?
Determines if a website is secure
Transmits information securely
Translates an IP address to a website name
Translate a website name to the IP address
Why is the Internet considered to be fault tolerant?
It has dedicated lines between devices.
It has duplicate paths to all locations.
It is secured against all threats.
It is open to anyone with a connection.
What is the World Wide Web?
A collection of wires and cables to connect devices
Another name for the Internet
A way to search for and share documents and resources
A browser
Which of the following is an example of a Distributed Denial of Service(DDoS) attack?
Domain name server (DNS) attack
Cybersecurity attack
Brute force attack
Cryptography attack
What is a symmetric key used for?
Sending and receiving information from the Web
Encrypting data
Decrypting data
Encrypting and decrypting data
Cryptography today uses which of the following?
Published algorithms available to all
Algorithms known by only a few members of the IETF
The Caesar Cipher
Undecidable algorithms
Which of the following is true about packets?
Packets leave and arrive at their destination at the same time.
Packets travel along different paths to their destination.
Each router decrypts the packets to confirm their destination.
If a packet does not arrive at the destination, the entire message is resent.
Which of the following is false about Domain Name System (DNS) servers?
There is only one DNS server; if it goes down, Internet traffic stops.
IP addresses are linked to domain names by the DNS.
They use IPv4 and IPv6 formats.
DDoS attacks sometimes take advantage of DNS to flood the target site.
Why does the IPv6 format use letters and numbers?
The IP address is numerical and is linked to the domain name, which is text-based.
It is like a street address with a number and name combination for each location.
It is based on hexadecimal, which uses numbers 0-9 and letters A-F.
When the IP address has to be manually entered, it can be keyed in more easily.
Which of the following is false about HTTPS?
HTTPS uses Certificate Authorities(CAs) to verify a site's identity.
HTTPS encrypts data before it is separated into packets.
HTTPS ensures the secure sharing of data.
HTTPS trades faster performance for more security.
