ITM 301: IT INFRASTRUCTURE
OVERVIEW EXAM QUESTIONS AND
CORRECT ANSWERS. VERIFIED
2025/2026.
Client-Server Model - ANS Centralized control with resource management by servers.
Peer-to-Peer Model - ANS Decentralized network where computers share resources directly.
MAC Address - ANS Unique 48-bit identifier for network devices.
Router - ANS Device connecting multiple networks together.
Switch - ANS Device that connects devices within the same network.
Network Operating System (NOS) - ANS Manages resources and user access in networks.
Active Directory (AD) - ANS Centralized database for user accounts and security.
TCP/IP - ANS Protocols for communication over networks.
1 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED.
,Local Area Network (LAN) - ANS Network covering a small geographical area.
Metropolitan Area Network (MAN) - ANS Network connecting multiple LANs in a city.
Wide Area Network (WAN) - ANS Network covering large geographical areas.
Personal Area Network (PAN) - ANS Network for personal devices like smartphones.
OSI Model - ANS 7-layer framework for understanding network communication.
Application Layer - ANS Layer providing services to user applications.
Presentation Layer - ANS Layer that formats and encrypts data.
Session Layer - ANS Layer managing sessions between applications.
Transport Layer - ANS Layer responsible for data transport between applications.
Network Layer - ANS Layer managing packet routing across networks.
Data Link Layer - ANS Layer interfacing with physical hardware.
Physical Layer - ANS Layer dealing with physical network connections.
Bandwidth - ANS Maximum data transfer rate of a network.
2 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED.
, Topology - ANS Physical or logical arrangement of network devices.
Hybrid Topology - ANS Combination of different network topologies.
Fibre Optic Cable - ANS High-speed cable using light for data transmission.
Copper Wire - ANS Traditional electrical cable for network connections.
Troubleshooting Model - ANS Seven-step process for resolving network issues.
Email Encryption - ANS Securing email content to protect data privacy.
Network Segmentation - ANS Dividing a network into smaller, manageable parts.
TCP - ANS Connection-oriented protocol ensuring message delivery.
UDP - ANS Connectionless protocol without delivery guarantees.
IP Address - ANS Unique identifier for each network node.
Encapsulation - ANS Adding headers to data from upper layers.
Fragmentation - ANS Dividing large packets into smaller ones.
3 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED.
OVERVIEW EXAM QUESTIONS AND
CORRECT ANSWERS. VERIFIED
2025/2026.
Client-Server Model - ANS Centralized control with resource management by servers.
Peer-to-Peer Model - ANS Decentralized network where computers share resources directly.
MAC Address - ANS Unique 48-bit identifier for network devices.
Router - ANS Device connecting multiple networks together.
Switch - ANS Device that connects devices within the same network.
Network Operating System (NOS) - ANS Manages resources and user access in networks.
Active Directory (AD) - ANS Centralized database for user accounts and security.
TCP/IP - ANS Protocols for communication over networks.
1 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED.
,Local Area Network (LAN) - ANS Network covering a small geographical area.
Metropolitan Area Network (MAN) - ANS Network connecting multiple LANs in a city.
Wide Area Network (WAN) - ANS Network covering large geographical areas.
Personal Area Network (PAN) - ANS Network for personal devices like smartphones.
OSI Model - ANS 7-layer framework for understanding network communication.
Application Layer - ANS Layer providing services to user applications.
Presentation Layer - ANS Layer that formats and encrypts data.
Session Layer - ANS Layer managing sessions between applications.
Transport Layer - ANS Layer responsible for data transport between applications.
Network Layer - ANS Layer managing packet routing across networks.
Data Link Layer - ANS Layer interfacing with physical hardware.
Physical Layer - ANS Layer dealing with physical network connections.
Bandwidth - ANS Maximum data transfer rate of a network.
2 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED.
, Topology - ANS Physical or logical arrangement of network devices.
Hybrid Topology - ANS Combination of different network topologies.
Fibre Optic Cable - ANS High-speed cable using light for data transmission.
Copper Wire - ANS Traditional electrical cable for network connections.
Troubleshooting Model - ANS Seven-step process for resolving network issues.
Email Encryption - ANS Securing email content to protect data privacy.
Network Segmentation - ANS Dividing a network into smaller, manageable parts.
TCP - ANS Connection-oriented protocol ensuring message delivery.
UDP - ANS Connectionless protocol without delivery guarantees.
IP Address - ANS Unique identifier for each network node.
Encapsulation - ANS Adding headers to data from upper layers.
Fragmentation - ANS Dividing large packets into smaller ones.
3 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED.
