What are the different types of network media?

• Copper

  Fiber-Optic

  wireless

• PAN

  LAN

  MAN

• Ring

  Bus

  Star

Answer explanation

The correct types of network media include Copper, Fiber-Optic, and wireless. These are the primary mediums used for data transmission, while PAN, LAN, MAN, and network topologies like Ring, Bus, and Star refer to network types and structures.

What is the internet and how is it structured?

• lt is a worldwide connection of interconnected LANs and WANs, managed by IEF, ICAN, IAB.

• It is a local connection of interconnected PCs and Hubs, managed by IEE, IANA, IBM.

• It is a Personal connection of interconnected PC and airpods, managed by Person Its Self.

Answer explanation

The correct choice describes the internet as a global network of interconnected Local Area Networks (LANs) and Wide Area Networks (WANs), overseen by organizations like IEF, ICAN, and IAB, which manage its structure and protocols.

What are the three goals of network security?

• Confidentiality, Integrity, Availability

• Speed, Reliability, Security

• Cost, Efficiency, Scalability

Answer explanation

The three goals of network security are Confidentiality, Integrity, and Availability, often referred to as the CIA triad. These principles ensure that data is protected, accurate, and accessible when needed.

What does BYOD stand for?

• Bring Your Own Device

• Bring Your Own Data

• Bring Your Own Download

Answer explanation

BYOD stands for 'Bring Your Own Device', which refers to the practice of allowing employees to use their personal devices for work purposes. This term is widely used in workplace technology policies.

What is the purpose of a firewall in network security?

• is to block unauthorized access to the network

• is to open unauthorized access to the network

• is to interconnect end devices

Answer explanation

The purpose of a firewall in network security is to block unauthorized access to the network, ensuring that only legitimate traffic is allowed, thus protecting sensitive data and resources.

What is an ISP?

• it is a networking device that combines the functionality of several different networking devices in one

• it is an organization that enables individuals and businesses to connect to the Internet

• it is a protocol that establishes how computers within a local network communicate

• it is a standards body that develops cabling and wiring standards for networking

Answer explanation

An ISP, or Internet Service Provider, is an organization that provides access to the Internet for individuals and businesses, making it the correct choice among the options provided.

In which scenario would the use of a WISP be recommended?

• an apartment in a building with cable access to the Internet

• a farm in a rural area without wired broadband access

• any home with multiple wireless devices

• an Internet cafe in a city

Answer explanation

A WISP (Wireless Internet Service Provider) is ideal for a farm in a rural area without wired broadband access, as it provides wireless connectivity where traditional wired options are unavailable.

Which two Internet connection options do not require that physical cables be run to the building? (Choose two.)

• dialup

• DSL

• satellite

• dedicated leased line

• cellular

Answer explanation

Satellite and cellular connections use wireless technology, eliminating the need for physical cables to be run to the building. In contrast, dialup, DSL, and dedicated leased lines require wired connections.

What type of network must a home user access in order to do online shopping?

• an extranet

• an intranet

• a local area network

• the Internet

Answer explanation

To do online shopping, a home user must access the Internet, as it connects them to e-commerce websites. An extranet and intranet are more restricted networks, while a local area network is limited to a specific location.

An employee wants to access the network of the organization remotely, in the safest possible way. What network feature would allow an employee to gain secure remote access to a company network?

• ACL

• VPN

• IPS

• BYOD

Answer explanation

A VPN (Virtual Private Network) provides a secure tunnel for remote access to a company's network, ensuring data encryption and privacy. This makes it the safest option for employees needing remote access.