Question 1

The purpose of backup is:

Accepted Answer

A) to restore a computer to an operational state following a disaster 
B) to restore small numbers of files after they have been accidentally deleted 
C) to restore one among many version of the same file for multiple backup environment 
D) all of the mentioned 
A) to restore a computer to an operational state following a disaster 
B) to restore small numbers of files after they have been accidentally deleted 
C) to restore one among many version of the same file for multiple backup environment 
D) all of the mentioned D

Question 2

Which of the following qualifies as best DR (Disaster Recovery) site?

Accepted Answer

A) dr site in the same campus 
B) dr site in the same city 
C) dr site in the same country 
D) dr site in a different country 
A) dr site in the same campus 
B) dr site in the same city 
C) dr site in the same country 
D) dr site in a different country D

Question 3

The method of synchronising the processor with the I/O device in which the device sends a signal when it is ready is?

Accepted Answer

A) exceptions 
B) signal handling 
C) interrupts 
D) dma 
A) exceptions 
B) signal handling 
C) interrupts 
D) dma C

Question 4

Which of the following can be used for reducing recovery time?

Accepted Answer

A) automatic failover 
B) by taking backup on a faster device 
C) taking multiple backups - one in same location, another at different location 
D) all of the mentioned 
A) automatic failover 
B) by taking backup on a faster device 
C) taking multiple backups - one in same location, another at different location 
D) all of the mentioned

Question 5

What is Relaxed Layered Style?

Accepted Answer

A) each layer can be constrained to use only the layer directly below it 
B) sometimes this constraint is relaxed slightly to allow each layer to use all the layers below it 
C) all of the mentioned 
D) none of the mentioned 
A) each layer can be constrained to use only the layer directly below it 
B) sometimes this constraint is relaxed slightly to allow each layer to use all the layers below it 
C) all of the mentioned 
D) none of the mentioned

Question 6

The method which offers higher speeds of I/O transfers is __________

Accepted Answer

A) interrupts 
B) memory mapping 
C) program-controlled i/o 
D) dma 
A) interrupts 
B) memory mapping 
C) program-controlled i/o 
D) dma

Question 7

Which of the following is correct?

Accepted Answer

A) layers are not strongly coupled to the layers above them 
B) each layer is strongly coupled only to the layer immediately below it 
C) overall layered-style architectures are loosely coupled 
D) all of the mentioned 
A) layers are not strongly coupled to the layers above them 
B) each layer is strongly coupled only to the layer immediately below it 
C) overall layered-style architectures are loosely coupled 
D) all of the mentioned

Question 8

In particular, layers have which of the following characteristics?

Accepted Answer

A) layers are by definition highly cohesive, thus satisfying the principle of cohesion 
B) layers doesn't support information hiding 
C) layers are constrained to use only above layers 
D) all of the mentioned 
A) layers are by definition highly cohesive, thus satisfying the principle of cohesion 
B) layers doesn't support information hiding 
C) layers are constrained to use only above layers 
D) all of the mentioned

Question 9

Which of the following is false?

Accepted Answer

A) the more important the data, the greater the need for backing it up 
B) a backup is as useful as its associated restore strategy 
C) storing the backup copy near to its original site is best strategy 
D) automated backup and scheduling is preferred over manual operations 
A) the more important the data, the greater the need for backing it up 
B) a backup is as useful as its associated restore strategy 
C) storing the backup copy near to its original site is best strategy 
D) automated backup and scheduling is preferred over manual operations

Question 10

What are the drawbacks for Layers?

Accepted Answer

A) it is often necessary to pass data through many layers, which can slow performance significantly 
B) layers support information hiding 
C) multi-layered programs can be hard to debug because operations tend to be implemented through a series of calls across layers 
D) none of the mentioned 
A) it is often necessary to pass data through many layers, which can slow performance significantly 
B) layers support information hiding 
C) multi-layered programs can be hard to debug because operations tend to be implemented through a series of calls across layers 
D) none of the mentioned

Question 11

The advantage of I/O mapped devices to memory mapped is __________

Accepted Answer

A) the former offers faster transfer of data 
B) the devices connected using i/o mapping have a bigger buffer space 
C) the devices have to deal with fewer address lines 
D) no advantage as such 
A) the former offers faster transfer of data 
B) the devices connected using i/o mapping have a bigger buffer space 
C) the devices have to deal with fewer address lines 
D) no advantage as such

Question 12

To decide on a backup strategy for your organization, which of the following should you consider?

Accepted Answer

A) rpo (recovery point objective) 
B) rto (recovery time objective) 
C) both rpo & rto 
D) none of the mentioned 
A) rpo (recovery point objective) 
B) rto (recovery time objective) 
C) both rpo & rto 
D) none of the mentioned

Question 13

Which of the following backup technique is most space efficient?

Accepted Answer

A) full backup 
B) incremental backup 
C) differential backup 
D) all of the mentioned 
A) full backup 
B) incremental backup 
C) differential backup 
D) all of the mentioned

Question 14

What is Onion diagram illustrates?

Accepted Answer

A) it illustrates the connection between the layers in communications protocols, such as the international standards organization open systems interconnection (iso osi) model,or the layers in user interface and windowing systems, such as the x window system 
B) it often illustrates operating system layers, with the kernel at the core 
C) all of the mentioned 
D) none of the mentioned 
A) it illustrates the connection between the layers in communications protocols, such as the international standards organization open systems interconnection (iso osi) model,or the layers in user interface and windowing systems, such as the x window system 
B) it often illustrates operating system layers, with the kernel at the core 
C) all of the mentioned 
D) none of the mentioned

Question 15

The system is notified of a read or write operation by __________

Accepted Answer

A) appending an extra bit of the address 
B) enabling the read or write bits of the devices 
C) raising an appropriate interrupt signal 
D) sending a special signal along the bus 
A) appending an extra bit of the address 
B) enabling the read or write bits of the devices 
C) raising an appropriate interrupt signal 
D) sending a special signal along the bus

Question 16

Which of the following is true with respect to layered architecture?

Accepted Answer

A) each layer is allowed to depend on the layer above it being present and correct 
B) a layer may call other layers above and below it, as long as it uses them 
C) all of the mentioned 
D) none of the mentioned 
A) each layer is allowed to depend on the layer above it being present and correct 
B) a layer may call other layers above and below it, as long as it uses them 
C) all of the mentioned 
D) none of the mentioned

Question 17

Backup of the source data can be created

Accepted Answer

A) on the same device 
B) on another device 
C) at some other location 
D) all of the mentioned 
A) on the same device 
B) on another device 
C) at some other location 
D) all of the mentioned

Question 18

Which of the following is one of the unique attributes of Cloud Computing?

Accepted Answer

A) utility type of delivery 
B) elasticity 
C) low barrier to entry 
D) all of the mentioned 
A) utility type of delivery 
B) elasticity 
C) low barrier to entry 
D) all of the mentioned

Question 19

Which of the following is incorrect?

Accepted Answer

A) a layered-style program is divided into an array of modules or layers 
B) each layer provides services to the layer "below" and makes use of services provided by the layer "above" 
C) all of the mentioned 
D) none of the mentioned 
A) a layered-style program is divided into an array of modules or layers 
B) each layer provides services to the layer "below" and makes use of services provided by the layer "above" 
C) all of the mentioned 
D) none of the mentioned

Question 20

Which of the following is correct?

Accepted Answer

A) module a uses module b if a correct version of b must be present for a to execute correctly 
B) module a calls (or invokes ) module b if b triggers execution of a 
C) all of the mentioned 
D) none of the mentioned 
A) module a uses module b if a correct version of b must be present for a to execute correctly 
B) module a calls (or invokes ) module b if b triggers execution of a 
C) all of the mentioned 
D) none of the mentioned

Exam 23: About I/O Devices, Backup Strategies, and Layered Architecture In Computing

The purpose of backup is:

Which of the following qualifies as best DR (Disaster Recovery) site?

The method of synchronising the processor with the I/O device in which the device sends a signal when it is ready is?

Which of the following can be used for reducing recovery time?

What is Relaxed Layered Style?

The method which offers higher speeds of I/O transfers is __________

Which of the following is correct?

In particular, layers have which of the following characteristics?

Which of the following is false?

What are the drawbacks for Layers?

The advantage of I/O mapped devices to memory mapped is __________

To decide on a backup strategy for your organization, which of the following should you consider?

Which of the following backup technique is most space efficient?

What is Onion diagram illustrates?

The system is notified of a read or write operation by __________

Which of the following is true with respect to layered architecture?

Backup of the source data can be created

Which of the following is one of the unique attributes of Cloud Computing?

Which of the following is incorrect?

Which of the following is correct?

Cloud Computing: Concepts and Services

Cloud Computing and HDFS Architecture: A Comprehensive Overview

Apache Hadoop Distributed File System (HDFS), Cloud Storage, and Database Instances

Cloud Computing and Technology: Security

Technology and Virtualization: Exploring Syndicated Content, Cloud Computing, and Amazon Web Services

Cloud Computing, Virtualization, Search Engines, and Instant Messaging

Amazon Web Services (AWS) and Cloud Computing

Distributed Caching, Cloud Computing, and Internet of Things (IoT) Technology

Protocol Features, Network Standards, and Supply Chain Management in Technology

Operating Systems, Cloud Computing, and Docker

Computing and Telecommunications

Cloud Computing and Distributed Systems

Cloud Computing , Storage, and Service Architecture

Understanding REST Services and Web Services in Spring Framework

Web Services, Messaging, and Load Balancing

I/O Devices and Cloud Computing: Structure, Architecture, and Service Models

Cloud Computing: Management

HDFS, Amazon EC2, Cloud Storage, and Cloud Computing

Internet Of Things (IoT) and Networking Terminology

Various Concepts in Technology and Computing

Service Components, Rest Services and Web Service Contracts

Spring, Messaging, Load Balancing, and I/O Devices

Storage, Virtual Machines, and Cloud Services: a Comprehensive Guide

RFID, SCADA, IoT, and Networking Protocols

Filters