Interview Questions And Answers

1. Single device, at times device called dumb terminal is connected to the server

2. Devices operates on files from server and returns them back after completing task

1. Topology refers to physical or logical arrangement of network

2. Physical topologies are :
I. Single Node
II. Bus
III. Star
IV. Ring
V. Mesh
VI. Tree
VII. Hybrid

1. LAN types are Ethernet, Token Ring, Token bus and Fiber Distributed Data Interface (FDDI).

2. OSI layers are Physical, Data Link, Network, Transport, Session, Presentation and Application layer

3. The factors of network selection criteria are Performance, Reliability and Security

4. Standards organization is unit which develops, maintains, improves, amends and revises standards

.Also known as Standards Development Organization (SDO)
.Develop, maintain, improve and revise standards
Classified as:
1. International organozations - International Organization for Standardization (ISO)

2. National organozations - American National Standards Institute (ANSI)

3. Regional organozations - Euro-Asian Council for Standardization (EASC)

Helps to improve network functionality:

1. Performance
2. Reliability
3. Security

1. Also known as ISO-OSI Reference Model
2. Developed by International Organization for Standardization (ISO)
3. Describes flow of information from one computer to another
4. Consists of seven layers

Consists of two elements, Client and Server

Server:
1. A centralized element which provides resources to client
2. Manages data, printers or network traffic
Client:
1. Manages local resources used by users such as monitor, keyboard, CPU and peripherals

Covers a wide geographical area which includes multiple computers or LANs e.g. Internet

1. Interconnects networks within a city
2. Supports data and voice transmission

1. Made up of multiple LANs within limited area
2. Connects different LANs in a campus