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IB case study 2019 (a new computer aided dispatch system for Bangbai)

Total questions: 15

Worksheet time: 30mins

Name
Class
Date
1.

Ts a single logical unit consisting of multiple computers that are linked through a LAN. The networked computers essentially act as a single, much more powerful machine

a)

Cluster

b)

Commercial software

c)

CAD

d)

ECC

2.

“In its most basic form, ________________ is a system

comprising two or more computers or systems (called nodes) which work together to execute applications or perform other tasks, so that users who use them, have the impression that only a single system responds to them, thus creating an illusion of a single resource (virtual

machine)

a)

Cluster

b)

Load Balancing

c)

Computer aided dispatch

d)

EMIS

3.

is a buzzword that describes a product, service or technological system that will not need to be significantly updated as technology advances.

a)

Future-proof

b)

Failover

c)

Cluster

d)

CAD

4.

is the protocol used to transfer data over the web. It is part of the Internet protocol suite and defines commands and services used for transmitting webpage data.”

a)

HTTP

b)

UML

c)

EMIS

d)

HTML

5.

________________ improves the distribution of workloads across multiple computing resources, such as computers, a computer cluster, network links, central processing units, or disk drives

a)

Load Balancing

b)

Multitier architecture

c)

REST

d)

HTTP

6.

_________________ architectural style for providing standards between computer systems on the web, making it easier for systems to communicate with each other.

a)

Representational State Transfer (REST)

b)

Application Programming Interface (API)

c)

IP hash

d)

Cluster

7.

___________ is bound to a port number so that the TCP layer can identify the application that data is destined to be sent to.

a)

Socket

b)

IP hash

c)

TPS

d)

HTML

8.

_____________ is a type of information system that collects, stores, modifies and retrieves the data transactions of an enterprise

a)

Transaction processing system (TPS)

b)

URL rewriting

c)

Virtual private network (VPN)

d)

VoIP

9.

describes a site without service interruption. To achieve such lofty goals, redundancy becomes a critical requirement at every level of your infrastructure

a)

Zero downtime

b)

Failover

c)

TPS

d)

Safety-critical

10.

Redundancy has a negative connotation when the duplication is unnecessary or is simply the result of poor planning.

a)

Ya bro, that is completely true

b)

No way, Jose... It is false

11.

Also known as URL manipulation, it is a term which refers to the operation of modifying a Uniform Resource Locator. It can be carried out legitimately by web server administrators or for malicious purposes by hackers. → URL rewriting

a)

True

b)

False

12.

Refers to the formation of a unique hash key, created from the IP addresses of a user and server, that can then be used by them. The user can always connect to a session that has been disconnected or reconnected by the same hashing algorithm. → Session IP hash

a)

True

b)

False

13.

_______________ are present in any application that requires a middleware application, by logically breaking up and sorting application specific operations into layers. They are most commonly found in the form of a three-tier architecture.

a)

Multitier architecture

b)

Cluster of servers

c)

IP hash

d)

Client side

14.

This refers to an algorithm that has the knowledge of which device within a system is best suited to accept a particular packet of data. These algorithms help distribute data in a specific way.

a)

Load balancing algorithm

b)

Scalable architecture

c)

Floyd's Cycle detection algorithm

d)

Merge Sort

15.

It is a set of rules that web servers and web browsers (users) are bound by whilst communicating over the Internet. These are important to connect authentication and authorization of functions of common web applications.

a)

Session management

b)

Client side random

c)

Cluster of server

d)

N-tier