Podcast
Questions and Answers
Which model allows direct communication between devices without a central server?
Which model allows direct communication between devices without a central server?
- Client-server model
- Peer-to-peer model (correct)
- Hybrid network model
- Cloud computing model
What are the first 24 bits of a MAC address used for?
What are the first 24 bits of a MAC address used for?
- To encrypt network communications
- To identify the vendor of the device (correct)
- To determine the geographical location
- To assign a unique user ID
Which layer of the OSI model is responsible for reliable data transfer?
Which layer of the OSI model is responsible for reliable data transfer?
- Application layer
- Network layer
- Physical layer
- Transport layer (correct)
What is a common mistake made when connecting multiple devices in a peer-to-peer setup?
What is a common mistake made when connecting multiple devices in a peer-to-peer setup?
Which is NOT a typical safety best practice when working on networks and computers?
Which is NOT a typical safety best practice when working on networks and computers?
What is the primary function of a Windows domain?
What is the primary function of a Windows domain?
Which of the following protocols is not part of the TCP/IP suite?
Which of the following protocols is not part of the TCP/IP suite?
What is a significant advantage of using a Windows domain model?
What is a significant advantage of using a Windows domain model?
Which statement regarding Active Directory (AD) is true?
Which statement regarding Active Directory (AD) is true?
Which of the following applications is typically not a client-server application?
Which of the following applications is typically not a client-server application?
What is one disadvantage of using Telnet service?
What is one disadvantage of using Telnet service?
What one of the following is NOT an advantage of using Active Directory Domain Services (ADDS)?
What one of the following is NOT an advantage of using Active Directory Domain Services (ADDS)?
Which responsibility is NOT related to a Network Operating System (NOS)?
Which responsibility is NOT related to a Network Operating System (NOS)?
What requirement is essential for a Network Operating System (NOS)?
What requirement is essential for a Network Operating System (NOS)?
In a typical Local Area Network (LAN) setup, what role does a switch play?
In a typical Local Area Network (LAN) setup, what role does a switch play?
Which topology describes a LAN where all devices connect to a central device?
Which topology describes a LAN where all devices connect to a central device?
What is a major benefit of having centralized control in a network environment?
What is a major benefit of having centralized control in a network environment?
Which of the following is NOT a server example mentioned?
Which of the following is NOT a server example mentioned?
What is the primary function of BGP (Border Gateway Protocol)?
What is the primary function of BGP (Border Gateway Protocol)?
Which statement accurately describes EIGRP?
Which statement accurately describes EIGRP?
What does bandwidth refer to in data transmission?
What does bandwidth refer to in data transmission?
Which of the following best defines throughput?
Which of the following best defines throughput?
Which of the following represents a transmission flaw?
Which of the following represents a transmission flaw?
What is the primary limitation of coaxial cable compared to fiber-optic cable?
What is the primary limitation of coaxial cable compared to fiber-optic cable?
What does attenuation refer to in the context of data transmission?
What does attenuation refer to in the context of data transmission?
Which of the following is NOT a characteristic shared by BGP?
Which of the following is NOT a characteristic shared by BGP?
Which statement accurately describes administrative distance in routing protocols?
Which statement accurately describes administrative distance in routing protocols?
What is a consequence of a router being turned off and then back on in a network?
What is a consequence of a router being turned off and then back on in a network?
What issue is associated with the Distance Vector routing protocol?
What issue is associated with the Distance Vector routing protocol?
Why is RIP considered unsuitable for larger networks?
Why is RIP considered unsuitable for larger networks?
What is the main disadvantage of overhead in network communication?
What is the main disadvantage of overhead in network communication?
What technology do wireless networks primarily utilize for signal transmission?
What technology do wireless networks primarily utilize for signal transmission?
What is a key characteristic of the wireless spectrum?
What is a key characteristic of the wireless spectrum?
What role does an antenna play in wireless communication?
What role does an antenna play in wireless communication?
Flashcards
Peer-to-Peer Network
Peer-to-Peer Network
A simple network where each computer has equal status and shares resources directly, without a central server.
Client-Server Network
Client-Server Network
A network with a central server that manages resources and services for other computers (clients).
Active Directory
Active Directory
A directory service used in client-server networks to manage user accounts, permissions, and network access.
Network Operating System (NOS)
Network Operating System (NOS)
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Local Area Network (LAN)
Local Area Network (LAN)
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Switch
Switch
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Star Topology
Star Topology
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BGP (Border Gateway Protocol)
BGP (Border Gateway Protocol)
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EIGRP
EIGRP
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Throughput
Throughput
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Bandwidth
Bandwidth
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Multiplexing
Multiplexing
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Coaxial Cable
Coaxial Cable
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Twisted-Pair Cable
Twisted-Pair Cable
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Fiber-optic Cable
Fiber-optic Cable
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WLAN
WLAN
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Wireless Spectrum
Wireless Spectrum
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Antenna
Antenna
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802.11 Standards
802.11 Standards
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Wi-Fi Security
Wi-Fi Security
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Windows Server
Windows Server
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Ubuntu Server
Ubuntu Server
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Red Hat Enterprise Linux
Red Hat Enterprise Linux
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Study Notes
Introduction to IT Infrastructure
- ITM 301 is a course that introduces the fundamentals of IT Infrastructure.
- The course is taught by Dana Osborne and has a TA.
- Assessment includes assignments, labs, a midterm, and a final exam.
Client-Server vs. Peer-to-Peer Models
- Peer-to-peer (P2P) networks are simple, cost-effective, and lack centralized control.
- Suitable for small networks but not scalable.
- Client-server models offer centralized control, scalability, and enhanced security.
- Uses Active Directory (AD) to manage user accounts and network access.
- Examples of client-server applications include web services, email services, FTP services, Telnet services, remote applications, and remote desktop.
Network Operating Systems (NOS)
- NOS manage client data, resources, user access, and communication rules.
- Examples of NOS include Windows Server, Ubuntu Server, and Red Hat Enterprise Linux.
- NOS require specialized hardware to manage network functions.
Network Hardware and Topologies
- Local Area Networks (LANs) are confined to a small space, such as an office or building.
- Switches receive incoming data and redirect it to the intended destination.
- Star Topology connects all devices to a central device, typically a switch.
Routing Protocols
- BGP (Border Gateway Protocol) is the primary Exterior Gateway Protocol (EGP) used on the internet.
- EIGRP (Enhanced Interior Gateway Routing Protocol) is a hybrid protocol that combines features of link-state and distance-vector protocols.
Data Transmission Concepts
- Throughput: The actual amount of data transmitted in a given time period.
- Bandwidth: The theoretical maximum data transfer rate.
- Multiplexing: A technique that allows multiple signals to share a single communication channel.
Cabling Types and Standards
- Coaxial Cable: Consists of a central conductor surrounded by insulation and a braided metal shield.
- Twisted-Pair Cable: Consists of two insulated wires twisted together to reduce interference.
- Fiber-optic Cable: Transmits data as light pulses through thin strands of glass.
Wireless Networking
- Wireless Networks (WLANs) transmit signals through the air using radio frequency (RF) waves.
- They use similar protocols to wired networks (Layers 3 and higher).
- Wireless Spectrum refers to the frequency range used for wireless communication.
- Antennas emit and receive electromagnetic waves for wireless communication.
802.11 Standards
- 802.11 standards define wireless network specifications, including data rates and security features.
Wi-Fi Network Security
- Implement security measures like encryption (WPA2/3) and strong passwords to protect Wi-Fi networks.
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