What is a computer network?

• A way to connect devices to share data

• Web pages that can be shared globally

• A dedicated line from one computer to another

• A set of passwords needed to access other computers

What is the name for a setup where processing is done at 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 secured

• Transmits information securely

• Translates an IP address to a website name

• Translates 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 to all threats

• It is is open to anybody 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 the symmetric key used for?

• Sending and receiving information from the Web?

• Encrypting data

• Decrypting data

• Encrypting and Decrypting

Cryptography today uses which of the following?

• Published algorithm avaiable 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