Lecture 4 IT 1020SEF

Which type of storage is considered nonvolatile?

• RAM

• Cache

• Hard Disk Drive (HDD)

• CPU Register

What is the main advantage of a Solid State Drive (SSD) over a Hard Disk Drive (HDD)?

• Lower cost

• Higher storage capacity

• Faster access time

• Looks better

The internet originated from which project?

• DARPA Network

• ARPANET

• IEEE Network

• WWW Consortium

Which protocol is used for secure web browsing?

• HTTP

• FTP

• HTTPS

• SMTP

What does DNS stand for in networking?

• Digital Network System

• Domain Name Service

• Direct Network Server

• Domain Name System

In cryptography, the term ‘symmetric key’ means:

• Using a single key for both encryption and decryption

• Using multiple keys for encryption

• Using different keys for encryption and decryption

• Not using a key at all

Which layer of the OSI model is responsible for transferring data packets?

• Application Layer

• Transport Layer

• Network Layer

• Data Link Layer

The process of encoding a message to prevent unauthorized access is called:

• Decryption

• Transformation

• Encryption

• Translation

What is my middle name?

• Samer

• Bob

• Panda

• Dani

Which component in a Hard Disk Drive (HDD) is responsible for reading and writing data on the disk surface?

• Spindle

• Platter

• Read/Write Head

• Sector