Podcast
Questions and Answers
Which of the following is NOT a goal of network security?
Which of the following is NOT a goal of network security?
- Availability
- Flexibility (correct)
- Integrity
- Confidentiality
What is the primary role of an intermediary device in a network?
What is the primary role of an intermediary device in a network?
- To originate data messages
- To manage user accounts
- To interconnect end devices (correct)
- To store data permanently
Information security focuses on the physical security of network devices.
Information security focuses on the physical security of network devices.
False (B)
End devices only receive messages, they do not originate them.
End devices only receive messages, they do not originate them.
Name one networking trend that affects organizations and consumers.
Name one networking trend that affects organizations and consumers.
What types of media are commonly used in networks?
What types of media are commonly used in networks?
The three goals of network security are confidentiality, integrity, and __________.
The three goals of network security are confidentiality, integrity, and __________.
Match the following terms with their definitions:
Match the following terms with their definitions:
An intermediary device can _____ and retransmit data signals.
An intermediary device can _____ and retransmit data signals.
What does BYOD stand for?
What does BYOD stand for?
Match the following network components with their descriptions:
Match the following network components with their descriptions:
Which of the following is NOT considered a type of network media?
Which of the following is NOT considered a type of network media?
The physical security of network devices is part of information security.
The physical security of network devices is part of information security.
Network diagrams are also known as topology diagrams.
Network diagrams are also known as topology diagrams.
What must the role of the network do in response to new technologies?
What must the role of the network do in response to new technologies?
Which of the following is a characteristic of a converged network?
Which of the following is a characteristic of a converged network?
A LAN and a WAN serve the same purpose and share the same limitations.
A LAN and a WAN serve the same purpose and share the same limitations.
Communication across a network is carried through a _____ which allows a message to travel from source to destination.
Communication across a network is carried through a _____ which allows a message to travel from source to destination.
What are the four basic requirements of a reliable network?
What are the four basic requirements of a reliable network?
Trends such as BYOD and _____ are changing the way we interact with networks.
Trends such as BYOD and _____ are changing the way we interact with networks.
What is one of the basic structures of the Internet?
What is one of the basic structures of the Internet?
Networking technologies have no significant impact on the home environment.
Networking technologies have no significant impact on the home environment.
Name one basic security threat to networks.
Name one basic security threat to networks.
Match the networking concepts with their definitions:
Match the networking concepts with their definitions:
Which of the following devices can be used in a BYOD (Bring Your Own Device) policy?
Which of the following devices can be used in a BYOD (Bring Your Own Device) policy?
Cloud computing allows individuals to store personal files or data on servers over the Internet.
Cloud computing allows individuals to store personal files or data on servers over the Internet.
What is the main purpose of collaboration tools like Cisco WebEx?
What is the main purpose of collaboration tools like Cisco WebEx?
The type of cloud that serves specific organizations, such as the government, is called a ______ Cloud.
The type of cloud that serves specific organizations, such as the government, is called a ______ Cloud.
Match the type of cloud with its description:
Match the type of cloud with its description:
What is considered a high priority for businesses and educational institutions?
What is considered a high priority for businesses and educational institutions?
Only large companies can use cloud computing due to the need for their own data centers.
Only large companies can use cloud computing due to the need for their own data centers.
What is a major benefit of cloud computing for businesses?
What is a major benefit of cloud computing for businesses?
What is a hybrid cloud composed of?
What is a hybrid cloud composed of?
Smart home technology allows devices to interconnect with everyday appliances.
Smart home technology allows devices to interconnect with everyday appliances.
What allows devices to connect to a LAN where standard data network cables are not viable?
What allows devices to connect to a LAN where standard data network cables are not viable?
Wireless broadband uses the same cellular technology used by a __________.
Wireless broadband uses the same cellular technology used by a __________.
Which service connects subscribers to designated access points or hotspots?
Which service connects subscribers to designated access points or hotspots?
Match the following technologies with their descriptions:
Match the following technologies with their descriptions:
Powerline networking can only work with wireless communications.
Powerline networking can only work with wireless communications.
What is a growing trend in technology for homes?
What is a growing trend in technology for homes?
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Study Notes
Introduction to Networks
- We live in a network-driven world.
- Networks are complex, connecting a wide range of devices.
- Network infrastructure includes three main components: devices, media, and services.
Network Components:
- End devices are the source and destination of messages.
- Intermediary devices connect end devices and manage data flow within the network.
- Network media facilitates communication between devices, including metallic cables, fiber optic cables, and wireless transmission.
Reliable Network
- Two key aspects of network security are:
- Network infrastructure security
- Information security
- The goals of network security are:
- Confidentiality: ensuring only intended recipients can access data.
- Integrity: ensuring data remains unaltered during transmission.
- Availability: ensuring authorized users have timely and reliable access to data.
Changing Network Environment
- Networks adapt to new technologies and devices.
- Key networking trends impacting businesses and consumers include:
- Bring Your Own Device (BYOD): Allowing employees to use personal devices for work.
- Online collaboration: Enabling teamwork and project management over the network.
- Video communications: facilitating real-time video calls and conferencing.
- Cloud computing: Providing access to data and services and applications over the internet.
Cloud Computing
- Cloud computing offers three main types:
- Public clouds: Services available to the general public via pay-per-use models or for free.
- Private clouds: Services reserved for specific organizations or entities.
- Hybrid clouds integrate elements from different cloud types.
Home Networking Trends
- Smart home technology integrates network connectivity into everyday appliances.
- Powerline networking allows devices to connect to LANs using existing electrical outlets.
- Wireless broadband provides internet connectivity using cellular technology similar to smartphones.
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