SlideShare a Scribd company logo
1. One tool used for a denial-of-service attack is ______________. Linux Tribal Flood Network
UDP None of the above
The attack in which the attacker sends a forged packet with the same source IP address and
destination IP address in which the victim may be tricked into sending messages to and from
itself is a(n) _______________ attack.
Teardrop
Land
myDoom
echo-chargen
2 points
QUESTION 7
In which type of hacking does the user block access from legitimate users without actually
accessing the attacked system?
Denial of service
Web attack
Session hijacking
None of the above
Teardrop
Land
myDoom
echo-chargen
1- One tool used for a denial-of-service attack is ______________- Lin.docx

More Related Content

More from toddr5

1- What are the advantages and disadvantages of getting tattoos and bo.docx
1- What are the advantages and disadvantages of getting tattoos and bo.docx1- What are the advantages and disadvantages of getting tattoos and bo.docx
1- What are the advantages and disadvantages of getting tattoos and bo.docx
toddr5
 
1- What are the Similarities between Futures agreements and Forward ag.docx
1- What are the Similarities between Futures agreements and Forward ag.docx1- What are the Similarities between Futures agreements and Forward ag.docx
1- What are the Similarities between Futures agreements and Forward ag.docx
toddr5
 
1- What are some of the greatest risks businesses face when connecting.docx
1- What are some of the greatest risks businesses face when connecting.docx1- What are some of the greatest risks businesses face when connecting.docx
1- What are some of the greatest risks businesses face when connecting.docx
toddr5
 
1- What do you think the very first living microorganism used for nutr.docx
1- What do you think the very first living microorganism used for nutr.docx1- What do you think the very first living microorganism used for nutr.docx
1- What do you think the very first living microorganism used for nutr.docx
toddr5
 
1- What are the 3 types of cloud delivery models- briefly explain them.docx
1- What are the 3 types of cloud delivery models- briefly explain them.docx1- What are the 3 types of cloud delivery models- briefly explain them.docx
1- What are the 3 types of cloud delivery models- briefly explain them.docx
toddr5
 
1- Watch the following videos at ITFreeTraining-com- Basics of how RAM.docx
1- Watch the following videos at ITFreeTraining-com- Basics of how RAM.docx1- Watch the following videos at ITFreeTraining-com- Basics of how RAM.docx
1- Watch the following videos at ITFreeTraining-com- Basics of how RAM.docx
toddr5
 
1- Understanding the implications of taxes on welfare Tbe following gr.docx
1- Understanding the implications of taxes on welfare Tbe following gr.docx1- Understanding the implications of taxes on welfare Tbe following gr.docx
1- Understanding the implications of taxes on welfare Tbe following gr.docx
toddr5
 
1- Understanding the implications of taxes on welfare The following gr.docx
1- Understanding the implications of taxes on welfare The following gr.docx1- Understanding the implications of taxes on welfare The following gr.docx
1- Understanding the implications of taxes on welfare The following gr.docx
toddr5
 
1- use different markets to minimize or eliminate a particular risk th.docx
1- use different markets to minimize or eliminate a particular risk th.docx1- use different markets to minimize or eliminate a particular risk th.docx
1- use different markets to minimize or eliminate a particular risk th.docx
toddr5
 
1- The minimum requirements for health and safety that institutions mu.docx
1- The minimum requirements for health and safety that institutions mu.docx1- The minimum requirements for health and safety that institutions mu.docx
1- The minimum requirements for health and safety that institutions mu.docx
toddr5
 
1- The means through which data is transmitted and received- 2- A pers.docx
1- The means through which data is transmitted and received- 2- A pers.docx1- The means through which data is transmitted and received- 2- A pers.docx
1- The means through which data is transmitted and received- 2- A pers.docx
toddr5
 
1- The gene for tall is dominant over dwarf in the garden pea plant us.docx
1- The gene for tall is dominant over dwarf in the garden pea plant us.docx1- The gene for tall is dominant over dwarf in the garden pea plant us.docx
1- The gene for tall is dominant over dwarf in the garden pea plant us.docx
toddr5
 
1- The invasive spotted lanternfly has made it to Vermont- It feeds on.docx
1- The invasive spotted lanternfly has made it to Vermont- It feeds on.docx1- The invasive spotted lanternfly has made it to Vermont- It feeds on.docx
1- The invasive spotted lanternfly has made it to Vermont- It feeds on.docx
toddr5
 
1- The data in the following table present revenues and expenditures b.docx
1- The data in the following table present revenues and expenditures b.docx1- The data in the following table present revenues and expenditures b.docx
1- The data in the following table present revenues and expenditures b.docx
toddr5
 
1- The basic functional unit of the nervous system is the neuron- What.docx
1- The basic functional unit of the nervous system is the neuron- What.docx1- The basic functional unit of the nervous system is the neuron- What.docx
1- The basic functional unit of the nervous system is the neuron- What.docx
toddr5
 
1- The Accumulated Surplus-Deficit at the end of the period is 2- The.docx
1- The Accumulated Surplus-Deficit at the end of the period is 2- The.docx1- The Accumulated Surplus-Deficit at the end of the period is 2- The.docx
1- The Accumulated Surplus-Deficit at the end of the period is 2- The.docx
toddr5
 
1- Suppose that someone wanted to buy a $1-000 face value T-bond that.docx
1- Suppose that someone wanted to buy a $1-000 face value T-bond that.docx1- Suppose that someone wanted to buy a $1-000 face value T-bond that.docx
1- Suppose that someone wanted to buy a $1-000 face value T-bond that.docx
toddr5
 
1- Saving and investment in the national income accounts The following.docx
1- Saving and investment in the national income accounts The following.docx1- Saving and investment in the national income accounts The following.docx
1- Saving and investment in the national income accounts The following.docx
toddr5
 
1- Show that the language L-{0n10nn0} is not regular- 2- Show that the.docx
1- Show that the language L-{0n10nn0} is not regular- 2- Show that the.docx1- Show that the language L-{0n10nn0} is not regular- 2- Show that the.docx
1- Show that the language L-{0n10nn0} is not regular- 2- Show that the.docx
toddr5
 
1- Risk 2- Attack implementation-Exploitation 3- Controls-countermeasu.docx
1- Risk 2- Attack implementation-Exploitation 3- Controls-countermeasu.docx1- Risk 2- Attack implementation-Exploitation 3- Controls-countermeasu.docx
1- Risk 2- Attack implementation-Exploitation 3- Controls-countermeasu.docx
toddr5
 

More from toddr5 (20)

1- What are the advantages and disadvantages of getting tattoos and bo.docx
1- What are the advantages and disadvantages of getting tattoos and bo.docx1- What are the advantages and disadvantages of getting tattoos and bo.docx
1- What are the advantages and disadvantages of getting tattoos and bo.docx
 
1- What are the Similarities between Futures agreements and Forward ag.docx
1- What are the Similarities between Futures agreements and Forward ag.docx1- What are the Similarities between Futures agreements and Forward ag.docx
1- What are the Similarities between Futures agreements and Forward ag.docx
 
1- What are some of the greatest risks businesses face when connecting.docx
1- What are some of the greatest risks businesses face when connecting.docx1- What are some of the greatest risks businesses face when connecting.docx
1- What are some of the greatest risks businesses face when connecting.docx
 
1- What do you think the very first living microorganism used for nutr.docx
1- What do you think the very first living microorganism used for nutr.docx1- What do you think the very first living microorganism used for nutr.docx
1- What do you think the very first living microorganism used for nutr.docx
 
1- What are the 3 types of cloud delivery models- briefly explain them.docx
1- What are the 3 types of cloud delivery models- briefly explain them.docx1- What are the 3 types of cloud delivery models- briefly explain them.docx
1- What are the 3 types of cloud delivery models- briefly explain them.docx
 
1- Watch the following videos at ITFreeTraining-com- Basics of how RAM.docx
1- Watch the following videos at ITFreeTraining-com- Basics of how RAM.docx1- Watch the following videos at ITFreeTraining-com- Basics of how RAM.docx
1- Watch the following videos at ITFreeTraining-com- Basics of how RAM.docx
 
1- Understanding the implications of taxes on welfare Tbe following gr.docx
1- Understanding the implications of taxes on welfare Tbe following gr.docx1- Understanding the implications of taxes on welfare Tbe following gr.docx
1- Understanding the implications of taxes on welfare Tbe following gr.docx
 
1- Understanding the implications of taxes on welfare The following gr.docx
1- Understanding the implications of taxes on welfare The following gr.docx1- Understanding the implications of taxes on welfare The following gr.docx
1- Understanding the implications of taxes on welfare The following gr.docx
 
1- use different markets to minimize or eliminate a particular risk th.docx
1- use different markets to minimize or eliminate a particular risk th.docx1- use different markets to minimize or eliminate a particular risk th.docx
1- use different markets to minimize or eliminate a particular risk th.docx
 
1- The minimum requirements for health and safety that institutions mu.docx
1- The minimum requirements for health and safety that institutions mu.docx1- The minimum requirements for health and safety that institutions mu.docx
1- The minimum requirements for health and safety that institutions mu.docx
 
1- The means through which data is transmitted and received- 2- A pers.docx
1- The means through which data is transmitted and received- 2- A pers.docx1- The means through which data is transmitted and received- 2- A pers.docx
1- The means through which data is transmitted and received- 2- A pers.docx
 
1- The gene for tall is dominant over dwarf in the garden pea plant us.docx
1- The gene for tall is dominant over dwarf in the garden pea plant us.docx1- The gene for tall is dominant over dwarf in the garden pea plant us.docx
1- The gene for tall is dominant over dwarf in the garden pea plant us.docx
 
1- The invasive spotted lanternfly has made it to Vermont- It feeds on.docx
1- The invasive spotted lanternfly has made it to Vermont- It feeds on.docx1- The invasive spotted lanternfly has made it to Vermont- It feeds on.docx
1- The invasive spotted lanternfly has made it to Vermont- It feeds on.docx
 
1- The data in the following table present revenues and expenditures b.docx
1- The data in the following table present revenues and expenditures b.docx1- The data in the following table present revenues and expenditures b.docx
1- The data in the following table present revenues and expenditures b.docx
 
1- The basic functional unit of the nervous system is the neuron- What.docx
1- The basic functional unit of the nervous system is the neuron- What.docx1- The basic functional unit of the nervous system is the neuron- What.docx
1- The basic functional unit of the nervous system is the neuron- What.docx
 
1- The Accumulated Surplus-Deficit at the end of the period is 2- The.docx
1- The Accumulated Surplus-Deficit at the end of the period is 2- The.docx1- The Accumulated Surplus-Deficit at the end of the period is 2- The.docx
1- The Accumulated Surplus-Deficit at the end of the period is 2- The.docx
 
1- Suppose that someone wanted to buy a $1-000 face value T-bond that.docx
1- Suppose that someone wanted to buy a $1-000 face value T-bond that.docx1- Suppose that someone wanted to buy a $1-000 face value T-bond that.docx
1- Suppose that someone wanted to buy a $1-000 face value T-bond that.docx
 
1- Saving and investment in the national income accounts The following.docx
1- Saving and investment in the national income accounts The following.docx1- Saving and investment in the national income accounts The following.docx
1- Saving and investment in the national income accounts The following.docx
 
1- Show that the language L-{0n10nn0} is not regular- 2- Show that the.docx
1- Show that the language L-{0n10nn0} is not regular- 2- Show that the.docx1- Show that the language L-{0n10nn0} is not regular- 2- Show that the.docx
1- Show that the language L-{0n10nn0} is not regular- 2- Show that the.docx
 
1- Risk 2- Attack implementation-Exploitation 3- Controls-countermeasu.docx
1- Risk 2- Attack implementation-Exploitation 3- Controls-countermeasu.docx1- Risk 2- Attack implementation-Exploitation 3- Controls-countermeasu.docx
1- Risk 2- Attack implementation-Exploitation 3- Controls-countermeasu.docx
 

Recently uploaded

How to Manage Your Lost Opportunities in Odoo 17 CRM
How to Manage Your Lost Opportunities in Odoo 17 CRMHow to Manage Your Lost Opportunities in Odoo 17 CRM
How to Manage Your Lost Opportunities in Odoo 17 CRM
Celine George
 
BÀI TẬP BỔ TRỢ TIẾNG ANH LỚP 9 CẢ NĂM - GLOBAL SUCCESS - NĂM HỌC 2024-2025 - ...
BÀI TẬP BỔ TRỢ TIẾNG ANH LỚP 9 CẢ NĂM - GLOBAL SUCCESS - NĂM HỌC 2024-2025 - ...BÀI TẬP BỔ TRỢ TIẾNG ANH LỚP 9 CẢ NĂM - GLOBAL SUCCESS - NĂM HỌC 2024-2025 - ...
BÀI TẬP BỔ TRỢ TIẾNG ANH LỚP 9 CẢ NĂM - GLOBAL SUCCESS - NĂM HỌC 2024-2025 - ...
Nguyen Thanh Tu Collection
 
ANATOMY AND BIOMECHANICS OF HIP JOINT.pdf
ANATOMY AND BIOMECHANICS OF HIP JOINT.pdfANATOMY AND BIOMECHANICS OF HIP JOINT.pdf
ANATOMY AND BIOMECHANICS OF HIP JOINT.pdf
Priyankaranawat4
 
PIMS Job Advertisement 2024.pdf Islamabad
PIMS Job Advertisement 2024.pdf IslamabadPIMS Job Advertisement 2024.pdf Islamabad
PIMS Job Advertisement 2024.pdf Islamabad
AyyanKhan40
 
คำศัพท์ คำพื้นฐานการอ่าน ภาษาอังกฤษ ระดับชั้น ม.1
คำศัพท์ คำพื้นฐานการอ่าน ภาษาอังกฤษ ระดับชั้น ม.1คำศัพท์ คำพื้นฐานการอ่าน ภาษาอังกฤษ ระดับชั้น ม.1
คำศัพท์ คำพื้นฐานการอ่าน ภาษาอังกฤษ ระดับชั้น ม.1
สมใจ จันสุกสี
 
How to Make a Field Mandatory in Odoo 17
How to Make a Field Mandatory in Odoo 17How to Make a Field Mandatory in Odoo 17
How to Make a Field Mandatory in Odoo 17
Celine George
 
A Independência da América Espanhola LAPBOOK.pdf
A Independência da América Espanhola LAPBOOK.pdfA Independência da América Espanhola LAPBOOK.pdf
A Independência da América Espanhola LAPBOOK.pdf
Jean Carlos Nunes Paixão
 
How to deliver Powerpoint Presentations.pptx
How to deliver Powerpoint  Presentations.pptxHow to deliver Powerpoint  Presentations.pptx
How to deliver Powerpoint Presentations.pptx
HajraNaeem15
 
RHEOLOGY Physical pharmaceutics-II notes for B.pharm 4th sem students
RHEOLOGY Physical pharmaceutics-II notes for B.pharm 4th sem studentsRHEOLOGY Physical pharmaceutics-II notes for B.pharm 4th sem students
RHEOLOGY Physical pharmaceutics-II notes for B.pharm 4th sem students
Himanshu Rai
 
Natural birth techniques - Mrs.Akanksha Trivedi Rama University
Natural birth techniques - Mrs.Akanksha Trivedi Rama UniversityNatural birth techniques - Mrs.Akanksha Trivedi Rama University
Natural birth techniques - Mrs.Akanksha Trivedi Rama University
Akanksha trivedi rama nursing college kanpur.
 
ISO/IEC 27001, ISO/IEC 42001, and GDPR: Best Practices for Implementation and...
ISO/IEC 27001, ISO/IEC 42001, and GDPR: Best Practices for Implementation and...ISO/IEC 27001, ISO/IEC 42001, and GDPR: Best Practices for Implementation and...
ISO/IEC 27001, ISO/IEC 42001, and GDPR: Best Practices for Implementation and...
PECB
 
How to Create a More Engaging and Human Online Learning Experience
How to Create a More Engaging and Human Online Learning Experience How to Create a More Engaging and Human Online Learning Experience
How to Create a More Engaging and Human Online Learning Experience
Wahiba Chair Training & Consulting
 
বাংলাদেশ অর্থনৈতিক সমীক্ষা (Economic Review) ২০২৪ UJS App.pdf
বাংলাদেশ অর্থনৈতিক সমীক্ষা (Economic Review) ২০২৪ UJS App.pdfবাংলাদেশ অর্থনৈতিক সমীক্ষা (Economic Review) ২০২৪ UJS App.pdf
বাংলাদেশ অর্থনৈতিক সমীক্ষা (Economic Review) ২০২৪ UJS App.pdf
eBook.com.bd (প্রয়োজনীয় বাংলা বই)
 
Leveraging Generative AI to Drive Nonprofit Innovation
Leveraging Generative AI to Drive Nonprofit InnovationLeveraging Generative AI to Drive Nonprofit Innovation
Leveraging Generative AI to Drive Nonprofit Innovation
TechSoup
 
How to Fix the Import Error in the Odoo 17
How to Fix the Import Error in the Odoo 17How to Fix the Import Error in the Odoo 17
How to Fix the Import Error in the Odoo 17
Celine George
 
MARY JANE WILSON, A “BOA MÃE” .
MARY JANE WILSON, A “BOA MÃE”           .MARY JANE WILSON, A “BOA MÃE”           .
MARY JANE WILSON, A “BOA MÃE” .
Colégio Santa Teresinha
 
How to Add Chatter in the odoo 17 ERP Module
How to Add Chatter in the odoo 17 ERP ModuleHow to Add Chatter in the odoo 17 ERP Module
How to Add Chatter in the odoo 17 ERP Module
Celine George
 
What is Digital Literacy? A guest blog from Andy McLaughlin, University of Ab...
What is Digital Literacy? A guest blog from Andy McLaughlin, University of Ab...What is Digital Literacy? A guest blog from Andy McLaughlin, University of Ab...
What is Digital Literacy? A guest blog from Andy McLaughlin, University of Ab...
GeorgeMilliken2
 
Digital Artefact 1 - Tiny Home Environmental Design
Digital Artefact 1 - Tiny Home Environmental DesignDigital Artefact 1 - Tiny Home Environmental Design
Digital Artefact 1 - Tiny Home Environmental Design
amberjdewit93
 
Walmart Business+ and Spark Good for Nonprofits.pdf
Walmart Business+ and Spark Good for Nonprofits.pdfWalmart Business+ and Spark Good for Nonprofits.pdf
Walmart Business+ and Spark Good for Nonprofits.pdf
TechSoup
 

Recently uploaded (20)

How to Manage Your Lost Opportunities in Odoo 17 CRM
How to Manage Your Lost Opportunities in Odoo 17 CRMHow to Manage Your Lost Opportunities in Odoo 17 CRM
How to Manage Your Lost Opportunities in Odoo 17 CRM
 
BÀI TẬP BỔ TRỢ TIẾNG ANH LỚP 9 CẢ NĂM - GLOBAL SUCCESS - NĂM HỌC 2024-2025 - ...
BÀI TẬP BỔ TRỢ TIẾNG ANH LỚP 9 CẢ NĂM - GLOBAL SUCCESS - NĂM HỌC 2024-2025 - ...BÀI TẬP BỔ TRỢ TIẾNG ANH LỚP 9 CẢ NĂM - GLOBAL SUCCESS - NĂM HỌC 2024-2025 - ...
BÀI TẬP BỔ TRỢ TIẾNG ANH LỚP 9 CẢ NĂM - GLOBAL SUCCESS - NĂM HỌC 2024-2025 - ...
 
ANATOMY AND BIOMECHANICS OF HIP JOINT.pdf
ANATOMY AND BIOMECHANICS OF HIP JOINT.pdfANATOMY AND BIOMECHANICS OF HIP JOINT.pdf
ANATOMY AND BIOMECHANICS OF HIP JOINT.pdf
 
PIMS Job Advertisement 2024.pdf Islamabad
PIMS Job Advertisement 2024.pdf IslamabadPIMS Job Advertisement 2024.pdf Islamabad
PIMS Job Advertisement 2024.pdf Islamabad
 
คำศัพท์ คำพื้นฐานการอ่าน ภาษาอังกฤษ ระดับชั้น ม.1
คำศัพท์ คำพื้นฐานการอ่าน ภาษาอังกฤษ ระดับชั้น ม.1คำศัพท์ คำพื้นฐานการอ่าน ภาษาอังกฤษ ระดับชั้น ม.1
คำศัพท์ คำพื้นฐานการอ่าน ภาษาอังกฤษ ระดับชั้น ม.1
 
How to Make a Field Mandatory in Odoo 17
How to Make a Field Mandatory in Odoo 17How to Make a Field Mandatory in Odoo 17
How to Make a Field Mandatory in Odoo 17
 
A Independência da América Espanhola LAPBOOK.pdf
A Independência da América Espanhola LAPBOOK.pdfA Independência da América Espanhola LAPBOOK.pdf
A Independência da América Espanhola LAPBOOK.pdf
 
How to deliver Powerpoint Presentations.pptx
How to deliver Powerpoint  Presentations.pptxHow to deliver Powerpoint  Presentations.pptx
How to deliver Powerpoint Presentations.pptx
 
RHEOLOGY Physical pharmaceutics-II notes for B.pharm 4th sem students
RHEOLOGY Physical pharmaceutics-II notes for B.pharm 4th sem studentsRHEOLOGY Physical pharmaceutics-II notes for B.pharm 4th sem students
RHEOLOGY Physical pharmaceutics-II notes for B.pharm 4th sem students
 
Natural birth techniques - Mrs.Akanksha Trivedi Rama University
Natural birth techniques - Mrs.Akanksha Trivedi Rama UniversityNatural birth techniques - Mrs.Akanksha Trivedi Rama University
Natural birth techniques - Mrs.Akanksha Trivedi Rama University
 
ISO/IEC 27001, ISO/IEC 42001, and GDPR: Best Practices for Implementation and...
ISO/IEC 27001, ISO/IEC 42001, and GDPR: Best Practices for Implementation and...ISO/IEC 27001, ISO/IEC 42001, and GDPR: Best Practices for Implementation and...
ISO/IEC 27001, ISO/IEC 42001, and GDPR: Best Practices for Implementation and...
 
How to Create a More Engaging and Human Online Learning Experience
How to Create a More Engaging and Human Online Learning Experience How to Create a More Engaging and Human Online Learning Experience
How to Create a More Engaging and Human Online Learning Experience
 
বাংলাদেশ অর্থনৈতিক সমীক্ষা (Economic Review) ২০২৪ UJS App.pdf
বাংলাদেশ অর্থনৈতিক সমীক্ষা (Economic Review) ২০২৪ UJS App.pdfবাংলাদেশ অর্থনৈতিক সমীক্ষা (Economic Review) ২০২৪ UJS App.pdf
বাংলাদেশ অর্থনৈতিক সমীক্ষা (Economic Review) ২০২৪ UJS App.pdf
 
Leveraging Generative AI to Drive Nonprofit Innovation
Leveraging Generative AI to Drive Nonprofit InnovationLeveraging Generative AI to Drive Nonprofit Innovation
Leveraging Generative AI to Drive Nonprofit Innovation
 
How to Fix the Import Error in the Odoo 17
How to Fix the Import Error in the Odoo 17How to Fix the Import Error in the Odoo 17
How to Fix the Import Error in the Odoo 17
 
MARY JANE WILSON, A “BOA MÃE” .
MARY JANE WILSON, A “BOA MÃE”           .MARY JANE WILSON, A “BOA MÃE”           .
MARY JANE WILSON, A “BOA MÃE” .
 
How to Add Chatter in the odoo 17 ERP Module
How to Add Chatter in the odoo 17 ERP ModuleHow to Add Chatter in the odoo 17 ERP Module
How to Add Chatter in the odoo 17 ERP Module
 
What is Digital Literacy? A guest blog from Andy McLaughlin, University of Ab...
What is Digital Literacy? A guest blog from Andy McLaughlin, University of Ab...What is Digital Literacy? A guest blog from Andy McLaughlin, University of Ab...
What is Digital Literacy? A guest blog from Andy McLaughlin, University of Ab...
 
Digital Artefact 1 - Tiny Home Environmental Design
Digital Artefact 1 - Tiny Home Environmental DesignDigital Artefact 1 - Tiny Home Environmental Design
Digital Artefact 1 - Tiny Home Environmental Design
 
Walmart Business+ and Spark Good for Nonprofits.pdf
Walmart Business+ and Spark Good for Nonprofits.pdfWalmart Business+ and Spark Good for Nonprofits.pdf
Walmart Business+ and Spark Good for Nonprofits.pdf
 

1- One tool used for a denial-of-service attack is ______________- Lin.docx

  • 1. 1. One tool used for a denial-of-service attack is ______________. Linux Tribal Flood Network UDP None of the above The attack in which the attacker sends a forged packet with the same source IP address and destination IP address in which the victim may be tricked into sending messages to and from itself is a(n) _______________ attack. Teardrop Land myDoom echo-chargen 2 points QUESTION 7 In which type of hacking does the user block access from legitimate users without actually accessing the attacked system? Denial of service Web attack Session hijacking None of the above Teardrop Land myDoom echo-chargen