Communication Devices and Protocols Quiz

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Questions and Answers

What type of network covers a large geographical area, usually a country or continent?

Metropolitan area network (MAN)

Which of the following is NOT a type of physical communication channel?

Bluetooth

What do bandwidth and protocols relate to in the context of data transmission?

Transmission media

Which network architecture defines how devices are connected to form a network?

Topology Signup and view all the answers

What is the main purpose of a network interface card (NIC) in a computer network?

To connect devices to a network and enable communication between them Signup and view all the answers

In the context of IT networking, what does DSL stand for?

Digital Subscriber Line Signup and view all the answers

Which technology addresses complex network and business problems in real time?

Artificial Intelligence (AI) Signup and view all the answers

What is the main characteristic of 5G technology?

Increased speed and reduced latency Signup and view all the answers

What is the primary purpose of a proxy server in network security?

To provide pass-through access Signup and view all the answers

What is the role of a network administrator?

Diagnosing and repairing networking hardware problems Signup and view all the answers

What does TCP/IP stand for in the context of computer networks?

Transmission Control Protocol/Internet Protocol Signup and view all the answers

What is the function of a router in a computer network?

Forwards or routes data packets Signup and view all the answers

What is the primary wireless technology that uses high frequency radio wave signals for communication?

Microwave Signup and view all the answers

What device is used to convert digital signal to analog, involving the process of modulation and demodulation?

Modem Signup and view all the answers

Which type of cable is faster and more reliable than coaxial cable?

Fiber-optic cable Signup and view all the answers

What are the two categories of communication channels mentioned in the text?

Physical and wireless Signup and view all the answers

What technology is commonly used for short-range wireless communication?

Wi-Fi Signup and view all the answers

What type of service uses phone lines and has ADSL as its most widely used type?

Digital subscriber line (DSL) Signup and view all the answers

What technology enables the adoption of digital technology to transform services or businesses?

Internet of Things (IoT) Signup and view all the answers

Which aspect is crucial to the security of data?

Usability and integrity of the network Signup and view all the answers

What does DevOps tie up to?

Software development and IT Signup and view all the answers

What does multi-cloud policy management aim to maintain?

Consistent network and security policies across multiple clouds Signup and view all the answers

What is the primary focus of digital transformation?

Adoption of digital technology to transform services or businesses Signup and view all the answers

What is the main purpose of Internet of Things (IoT)?

Connecting the unconnected Signup and view all the answers

What is the key factor for enabling the adoption of digital technology to transform services or businesses?

Enabling communication between devices and people Signup and view all the answers

Which of the following is NOT classified as a malicious hardware?

Trojan horse Signup and view all the answers

What is the primary purpose of a Disaster Recovery Plan?

To prevent data loss Signup and view all the answers

What does HTTPS stand for in the context of web security?

Hypertext Transfer Protocol Secure Signup and view all the answers

What is the main characteristic of WPA2 in wireless network encryption?

Restricts access to authorized users Signup and view all the answers

What do recent data privacy trends seek to address?

Enhancing consumer control over personal data Signup and view all the answers

What is the primary role of IT Security Analysts as mentioned in the text?

Maintaining the security of a company's network, systems, and data Signup and view all the answers

What educational qualifications are usually required for a position as an IT Security Analyst?

Bachelors or associates degree in information systems or computer science Signup and view all the answers

What is the expected annual salary range for an IT Security Analyst?

$62,000 to $101,000 Signup and view all the answers

Define computer crime as per the text.

The use of computers to commit traditional crimes Signup and view all the answers

What is the primary purpose of copyright law and plagiarism as mentioned in the text?

Safeguarding the rights of original content creators Signup and view all the answers

What are the three primary privacy issues mentioned in the text?

Accuracy, property, and freedom of information Signup and view all the answers

What is the primary concern related to large databases and big data according to the text?

Unauthorized access and misuse of personal data Signup and view all the answers

What is the proposed law regarding employee monitoring software mentioned in the text?

A law requiring employers to notify employees about monitoring Signup and view all the answers

What does the text highlight as critical information stored on the hard drive when browsing the web?

History files, temporary internet files, and web bugs Signup and view all the answers

What is the major concern related to spreading public but personally identifying information as per the text?

Identity theft and freedom of information act violations Signup and view all the answers

Which type of cookie is generated by an advertising company affiliated with the website?

Third-party cookie Signup and view all the answers

What is the primary purpose of Incognito Mode in Google Chrome?

To ensure browsing activity is not recorded on the hard drive Signup and view all the answers

What is the major privacy threat associated with web bugs?

Sending information back to the source of the bug Signup and view all the answers

What is the primary function of Anti-Spyware programs?

Detect and remove privacy threats Signup and view all the answers

What is the main characteristic of a Denial of Service (DoS) attack?

Attempts to slow down or stop a computer system or network by flooding it with requests for information or data Signup and view all the answers

What is the term for the practice of posing as a trustworthy entity to steal sensitive information or money?

Phishing Signup and view all the answers

What type of malicious software is designed to block access to a computer system or data until a sum of money is paid?

Ransomware Signup and view all the answers

What term refers to the unauthorized access or use of information from a computer system, often for financial gain?

Cybercrime Signup and view all the answers

What type of malicious software is designed to replicate itself and spread to other computers?

Worm Signup and view all the answers

What term describes the practice of manipulating people into divulging confidential information or performing actions that compromise the security of their computer systems?

Social engineering Signup and view all the answers

Study Notes

Network Fundamentals

A Wide Area Network (WAN) covers a large geographical area, usually a country or continent.
A physical communication channel is not a type of network architecture.
Bandwidth and protocols relate to data transmission speed and rules for data exchange.

Network Components

Network architecture defines how devices are connected to form a network.
A Network Interface Card (NIC) connects a computer to a network.

Networking Technologies

DSL (Digital Subscriber Line) is a type of broadband internet connection.
Real-time analytics technology addresses complex network and business problems in real time.
5G technology is characterized by high-speed, low-latency wireless communication.
Wi-Fi is the primary wireless technology that uses high-frequency radio wave signals for communication.

Network Security

A proxy server acts as an intermediary between a user's computer and the internet, enhancing security and performance.
A network administrator is responsible for managing and maintaining computer networks.
TCP/IP (Transmission Control Protocol/Internet Protocol) is a set of protocols governing data transmission over the internet.
A router connects multiple devices and directs traffic between them.
Fiber optic cables are faster and more reliable than coaxial cables.

Wireless Communication

Bluetooth technology is commonly used for short-range wireless communication.
A modem converts digital signals to analog and vice versa, involving modulation and demodulation.

Data Security

Data encryption is crucial to the security of data.
DevOps practices focus on collaboration and automation to improve security and efficiency.
Multi-cloud policy management aims to maintain consistency and security across multiple cloud platforms.

Digital Transformation

Digital transformation involves adopting digital technology to transform services or businesses.
The primary focus of digital transformation is to improve efficiency and competitiveness.

Internet of Things (IoT)

IoT enables the connection and interaction of everyday devices over the internet.

Cybersecurity

A Disaster Recovery Plan aims to minimize the impact of disasters or data loss on business operations.
HTTPS (Hypertext Transfer Protocol Secure) ensures secure data transmission over the internet.
WPA2 is a wireless network encryption protocol.

Data Privacy

Recent data privacy trends seek to address concerns over personal data collection and usage.
IT Security Analysts are responsible for ensuring the security and integrity of computer systems and networks.

Ethical and Legal Issues

Computer crime refers to illegal activities involving computers or networks.
Copyright law and plagiarism regulations aim to protect intellectual property and original work.
Three primary privacy issues are data protection, online security, and digital identity.
Large databases and big data raise concerns over data privacy and security.
Employee monitoring software raises concerns over privacy and trust.

Online Privacy

Web bugs can compromise user privacy by tracking online activities.
Third-party cookies are generated by advertising companies affiliated with websites.
Incognito Mode in Google Chrome provides private browsing by not storing browsing history or data.

Malware and Cyber Threats

Anti-Spyware programs detect and remove malicious software from computers.
A Denial of Service (DoS) attack aims to overwhelm a network or system, making it inaccessible.
Phishing attacks involve posing as a trustworthy entity to steal sensitive information or money.
Ransomware is a type of malicious software that blocks access to a computer system or data until a sum of money is paid.
Cybercrime refers to the unauthorized access or use of information from a computer system, often for financial gain.
A virus is a type of malicious software that replicates itself and spreads to other computers.
Social engineering describes the practice of manipulating people into divulging confidential information or performing actions that compromise the security of their computer systems.

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