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Which of the following is NOT a tip for securing embedded systems?

Use security features

Use strong passwords and authentication methods

Keep your software up to date

Monitor your systems for signs of attack

What is the cause of an I/O Exception?

When an I/O operation does not complete successfully

This is thrown when the JVM cannot find a class at runtime

This is a general-purpose exception that can be thrown by the JVM or by user code

This is thrown when an array is accessed with an index that is out of range

Which of the following are one of seven principles of software engineering ?

Software Quality Assurance (SQA)

High-assurance systems

Manage using a phased life-cycle plan

None of the above

What is the main goal of High-Assurance Software Engineering?

Improve the speed of software development and reduce costs

Ensure the quality, reliability, and security of software in sensitive and critical applications

Provide new and innovative software features without concern for security

Rely on external resources for software development and delegate all security responsibilities

What does the Secure by Design principle involve in software development?

Incorporating security throughout the development process, from design to testing and distribution

Introducing security at a late stage in the development process to save time and resources

Relying on external security reviews after the software development is completed to identify security vulnerabilities

Focusing solely on developing the software features and relying on antivirus programs for system protection

What is the difference between a software defect (Software Defect) and a security vulnerability (Vulnerability)?

Software defects and security vulnerabilities are synonymous terms that refer to the same thing

A software defect refers to an error in design or implementation, while a security vulnerability refers to a weakness that can be exploited

A software defect refers to a weakness in the system, while a security vulnerability refers to an error in design or implementation

There is no difference between a software defect and a security vulnerability

Which of the following security features are commonly implemented in FPGAs to protect against attacks?

Two-factor authentication

Dynamic partial reconfiguration

Hardware encryption

Firewalls and intrusion detection systems

Any records or audit data collected must comply with the privacy and data protection requirements of the respective ID system. Which of these choices is compliance?

Not devoid of personal data

It is not protected from unauthorized copying or hacking

Protected from unauthorized access

None of the above

What is the primary goal of Other Physical Attack Vectors?

To exploit software vulnerabilities and gain control of digital systems

To spread malware and viruses across networks

Breach physical security measures, gain unauthorized access, and obtain sensitive information

To conduct phishing attacks and trick individuals into revealing personal information

What problems can Race Conditions cause in software development?

Only affect network connectivity in software

Occur due to hardware failures in the underlying system

Data corruption, inconsistent results, and program crashes

Has no impact on software performance

Which of the following is an architectural design pattern commonly used for improving security in embedded software?

Publish-Subscribe

Separation of Privilege

Model-View-Controller (MVC)

Singleton

One way to secure external memory is …………………………… that restrict who can access external memory can help to prevent unauthorized access to sensitive data

Encryption

Access control

Back up

Careful when plug in

.............. Are secure areas of the CPU that are isolated from the rest of the system. This means that even if an attacker is able to compromise the operating system or other software on the system, they will not be able to access data or code that is stored

Trusted platform modules

Trusted execution environments

Hardware security modules

Reduced risk of fraud

The Joint Test Action Group (JTAG) uses Test Data In as wire interface for........................

Transfer data from the IC

Transfer data to the IC

To clock data in and out of the IC

To select the test mode

.................There are a number of security development tools available. These tools can help to identify security vulnerabilities in code to secure the development process in embedded systems

Implement security controls

Use secure development tools

Use a secure language subset

Establish security requirements at the outset

One of the challenges of using Model-driven design (MDD) in embedded systems is:

Reduced development time

Modeling simplicity

Increase the maintainability of the system

Tool support

......... These are guidelines that developers can follow to write code that is less vulnerable to attack uses in Defenses in software

Security testing

Output encoding

Secure coding practices

Input validation

One of Firmware vulnerabilities is ............ That are malicious software that can be installed on a device to gain root-level access, which allows the attacker to do anything they want on the device

Code injection vulnerabilities

Buffer overflows

Side-channel attacks

Rootkits

: …….architecture is a software design approach that focuses on preventing and reduce software failures

Firmware vulnerabilities

Security awareness training

Fault tolerance

Defensive software

�……… that they can continue to operate even if some components fail. This can be achieved through techniques such as replication, redundancy, and load balancing

Error detection and handling

Fault tolerance

Resilience

Combat complexity

The Amazon Web Services (AWS) cloud computing platform is an example for a ……… platform that is designed to recover quickly from failures. AWS uses a variety of techniques to achieve resilience, including replication, redundancy, and load balancing

Error detection and handling

Resilience

Fault tolerance

Combat complexity

One of the following is ............. A technique that can be used to combat complexity in embedded systems

Secure RTOS

Reduced flexibility

Use of standard interfaces

Improved security

�………….. Breaks the system down into smaller, self-contained modules. This makes the system easier to understand and maintain, and can help to reduce the number of errors

Use of formal methods

Modular Design

Use of automated tools

None of the above

�…… is an operating system (OS) that has been designed with security in mind. It provides a number of features that can help to protect embedded systems from attack

Memory partitioning

A Secure RTOS

Memory protection

Combat complexity

: ………. Dividing the memory of an embedded system into different partitions, it is possible to prevent errors in one partition from affecting other partitions

Memory protection

Memory partitioning

Locking Down

Memory protection

Fixed partitioning is ……

The amount of CPU time assigned to each task can change depending on the needs of the system

Used to verify the authenticity of firmware updates

Each task is assigned a fixed amount of CPU time

Support logging mechanisms that can be used to record events that occur on the system

The prover generate a cryptographically secure ……….. Of its software and firmware. The prover then sends this ………. To the verifier

Hashes

Software

File

Memory

One of the memory protection type is ……….

Paging

Memory management unit

Fault tolerance

Guaranteed resources

�………..: divides memory into segments. Each segment can be assigned different permissions, such as read-only or read-write

Segmentation

Increased efficiency

Improved reliability

Cost

One of the ways to assure the integrity

Trusted Platform Module (TPM)

User Datagram Protocol (UDP)

Public Key Infrastructure (PKI)

Pretty Good Privacy (PGP)

What is Virtual memory?

Is a memory management technique that allows a computer to use more memory than is physically installed on the system

Divides memory into segments. Each segment can be assigned different permissions

Each page can be stored in either physical memory or on disk

Hardware device that sits between the processor and the memory..

One of the challenges of secure boot…….:

It can add cost to the system

It can be easy to implement and manage

It cannot be vulnerable to attack if it is not implemented properly

Secure boot typically works by using a digital signature

The secure boot technique have a number of advantage, one of the them is .......

It protect embedded systems from malware

It can be complex to implement and manage

It can as cost to the system

It can be vulnerable to attack if not implemented correctly

One of the I/O virtualization types

Software-based

Trusted platform module

Trusted computing base

Secure booting

One of the Benefits of secure boot:

It can help to ensure the integrity of the system software

Security feature designed to prevent malicious software

It does not help improve the overall security of the system

It cannot help prevent unauthorized access to the system

Combination of computer hardware and software designed for a specific function

External system

Embedded system

Internal system

Logical system

How to prevent brute-forcing attacks?

Unlimited login attempts

Using weak password

Using limiting the number of login attempts

Using DNS SEC

An MITM attack can be prevented or stopped by:

Encrypting transmitted data

The Domain Name System Security Extensions

Power analysis

Electromagnetic analysis

What is the most effective method for protecting an embedded system from a DDoS attack?

Shutting down the system during the attack

Encrypting all data on the system

Adding a firewall and traffic analysis to the system

None of the above

How can a side-channel attack on an embedded system be prevented?

By using data masking techniques to modify sensitive content

By changing the color scheme of the user interface

By disabling all network connections to the system

By leaving the system turned off when not in use

....... Only have CPU in the chip like most of the Intel Processors

Software and firmware

Microprocessor

Operating system

Sensors

Is defined as the probability that a product, system, or service will perform its intended function adequately for a specified period of time

Reliability

Confidentiality

Security

Obscurity

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