Three of these are Configuration Vulnerabilities, which one isn't?

Physical damage to servers, routers, switches, cabling, etc.

Define Network Attack Reconnaissance:

Discovery and mapping of systems, services, vulnerabilities.

Describe Firewall's: Packet Filtering:

Allows access based on IP or MAC addresses.

Describe Firewall's: Application Filtering:

Allows access by specific application types based on port numbers.

What is the primary function of the OSI Presentation layer known as "Compressing"?

Reducing the size of data for efficient transmission.

the Maintenance threat

Poor handling of electrical components, lack of spare parts.

What are protocol(s) that support real-time applications?

Real-Time Transport Protocol and Real-Time Transport Control Protocol.

Technological Vulnerabilities:

Network protocol, OS, Device weaknesses.

Name the three primary vulnerabilities in networks and devices.

Technological, Configuration, Security Policy vulnerabilities.

Describe the purpose of the application protocol HTTP. (WWW = World Wide Web.)

Exchanges text, images, sound, video, and other multimedia files on the WWW

Name The Four Classes of Physical Threats

Hardware, Environmental, Electrical, Maintenance threats.

What is the purpose of the Source Port Number in the Transport Header?

Identifies the source application by port number.

What is a duplex mismatch?

Poor link performance due to different duplex settings.

What is redundancy in network design?

Eliminating single points of failure.

How does TCP address the issue of data arriving in the wrong order due to multiple routes w/ varying transmission rates?

Ensuring same-order delivery despite network routes.

What are socket pairs?

Combination of source IP address and source port number

What is the purpose of the Destination Port Number in the Transport Header?

Identifies the destination application by port number.

What is the purpose of the Acknowledgment Number in the Transport Header?

Used to indicate that data has been received.

What is the purpose of the Window Size in the Transport Header?

Indicates the number of bytes that can be accepted at one time.

How does TCP mitigate segment corruption or loss during transmission?

By retransmitting lost segments for reliable delivery.

How does TCP handle limited network resources, requesting a reduction in the data flow rate?

TCP can instruct the sending application to slow down.

Three of these are examples of AAA (Authenticate, Access, Accounting.) Which is not?

Filtering packets through appropriate switch.

Three of these are Security Policy Vulnerabilities, which one isn't?

System accounts with weak passwords, unsecured settings.

Describe Firewall's Stateful Packet Inspection (SPI):

Blocks unsolicited packets, permits specific responses.

Describe the Electrical threat

Voltage spikes, insufficient supply, unconditioned power.

Define Denial of Service Attacks:

Disabling or corruption of networks, systems, services.

What is the primary function of the OSI Presentation layer known as "Compressing"?

Reducing the size of data for efficient transmission.

Describe the purpose of the application protocol port POP.

Used to receive email, does not store email on a server.

The PUT HTTP/HTTPS message type

Uploads resources or content to the web server, such as an image.

What are the four DHCP messages used (in correct order) when a client computer uses DHCP to configure its network card?

DHCPDISCOVER, DHCPOFFER, DHCPREQUEST, DHCPACK.

What is a network baseline?

A standard measurement of network performance and behavior.

Explain the purpose of the OSI Session layer.

It creates and maintains dialogs between applications.

What is the purpose of the Sequence Number in the Transport Header?

Used for data reassembly purposes.

studbud

ASSIGNMENT 5 PRACTICE QUIZ!

82 termsStudBud Administration26 plays

This is for the Networks 1 Assignment 5 A special thanks to ChatGPT for helping me make false answers, and a special thanks to Vincent for providing his fully marked 100 assignment so I could make this even faster.

Flashcards82 cardsFPractice quizPHost liveL

Questions 82

Answers

1
Which protocol keeps original email messages on the email server until manually deleted?
POP
IMAP
2
What does a DNS server database contain?
Domain name-to-IP mappings.
Web page content.
User authentication data.
Email messages.
3
Which Transport protocol would be used for a webpage download?
HTTP
ICMP
UDP
TCP
4
How does TCP control the flow of data when congestion is occurring?
By increasing the Window Size.
By reducing the Window Size.
By increasing the data transmission rate.
By ignoring congestion and continuing data flow.
5
Three of these are Configuration Vulnerabilities, which one isn't?
Unsecured user accounts, system accounts with easily guessed passwords.
Misconfigured internet services, unsecured default settings.
Physical damage to servers, routers, switches, cabling, etc.
Misconfigured network equipment, lacking proper security settings.
6
Define Network Attack Reconnaissance:
Discovery and mapping of systems, services, vulnerabilities.
Unauthorized access to systems and data.
Defense mechanisms protecting against cyber threats.
Manipulation of data to cause system malfunctions.
7
Describe Firewall's: Packet Filtering:
Allows access based on user authentication.
Allows access based on geographic location.
Allows access based on IP or MAC addresses.
Allows access based on application content.
8
Describe Firewall's: Application Filtering:
Allows access based on IP or MAC addresses.
Allows access by specific application types based on port numbers.
Allows access based on geographic location.
Allows access based on user authentication.
9
What is the primary function of the OSI Presentation layer known as "Compressing"?
Encrypting data for secure transmission.
Converting data into a compatible format.
Organizing and structuring data for transmission.
Reducing the size of data for efficient transmission.
10
the Maintenance threat
Poor handling of electrical components, lack of spare parts.
Magnetic interference, radiation exposure, water damage.
Human interference, software corruption, network issues.
Voltage spikes, insufficient supply, unconditioned power.
11
Which of the two Transport protocols has the lower overhead and is therefore faster?
UDP
TCP
12
What are protocol(s) that support real-time applications?
Transmission Control Protocol (TCP) for reliability.
Real-Time Transport Protocol and Real-Time Transport Control Protocol.
User Datagram Protocol (UDP) for real-time communication.
Internet Control Message Protocol (ICMP) for network troubleshooting.
13
Technological Vulnerabilities:
Network protocol, OS, Device weaknesses.
Application, Firewall, Encryption flaws.
TCP/IP, OS, Network equipment weaknesses.
Software, Hardware, System vulnerabilities.
14
Name the three primary vulnerabilities in networks and devices.
Technological, Configuration, Security Policy vulnerabilities.
Malware, Firewall, Encryption vulnerabilities.
Hardware, Software, Physical vulnerabilities.
User, Network architecture, Environmental vulnerabilities.
15
What type of Control flag is used in a TCP connection?
SYN
RST
ACK
PSH
16
Describe the purpose of the application protocol HTTP. (WWW = World Wide Web.)
Routes and forwards data packets.
Exchanges text, images, sound, video, and other multimedia files on the WWW
Used to send emails.
Translates domain names into IP addresses.
17
What command can be used for troubleshooting DNS troubles for PCs?
NSLOOKUP
TRACERT
IPCONFIG
PING
18
Name The Four Classes of Physical Threats
Software, Electrical, Human, Maintenance threats.
Human, Software, Network, Power threats.
Hardware, Environmental, Electrical, Maintenance threats.
Magnetic, Radiation, Dust, Water threats.
19
What is the purpose of the Source Port Number in the Transport Header?
Indicates the size of the data payload.
Identifies the destination application by port number.
Specifies the sequence number for data segmentation.
Identifies the source application by port number.
20
the port number used for the SMTP Application protocol.
30.
22.
25.
80.
21
What is a duplex mismatch?
Simultaneous two-way communication between devices.
Optimal configuration for network performance.
Efficient data transfer in half-duplex mode.
Poor link performance due to different duplex settings.
22
What is redundancy in network design?
Reducing the need for security measures.
Improving data transfer speed.
Eliminating single points of failure.
Enhancing network performance.
23
What command in Windows Command Prompt shows IP, MAC, subnet, gateway, DNS, and Layer 3 details?
NETSTAT /ALL
TRACERT /ALL
PING /ALL
IPCONFIG /ALL
24
How does TCP address the issue of data arriving in the wrong order due to multiple routes w/ varying transmission rates?
Allowing data to arrive in any order for efficiency.
Prioritizing data based on the fastest route.
Ensuring same-order delivery despite network routes.
Randomizing the order of data for optimal transmission.
25
the port number used for the POP Application protocol.
22.
25.
80.
110.
26
What type of Control flag is used in a TCP termination?
ACK
SYN
FIN
RST
27
What are socket pairs?
Combination of both source and destination IP addresses
Combination of source IP address and source port number
Combination of both source and destination port numbers
Combination of destination IP address and destination port number
28
What is the purpose of the Destination Port Number in the Transport Header?
Identifies the source application by port number.
Specifies the sequence number for data segmentation.
Indicates the size of the data payload.
Identifies the destination application by port number.
29
What is the purpose of the Acknowledgment Number in the Transport Header?
Specifies the sequence number for data segmentation.
Identifies the source application by port number.
Used to indicate that data has been received.
Identifies the destination application by port number.
30
What command shows TCP connections in a Command prompt window?
ipconfig
ping
tracert
netstat
31
What is the purpose of the Window Size in the Transport Header?
Specifies the sequence number for data segmentation.
Indicates the number of bytes that can be accepted at one time.
Indicates the size of the data payload.
Identifies the source application by port number.
32
How does TCP mitigate segment corruption or loss during transmission?
Ensuring segments are error-free through constant monitoring.
Establishing temporary connections to prevent segment issues.
Allowing segments to be lost, relying on network resilience.
By retransmitting lost segments for reliable delivery.
33
How does TCP handle limited network resources, requesting a reduction in the data flow rate?
TCP increases data flow to overcome resource constraints.
TCP can instruct the sending application to slow down.
TCP relies on the network to manage resource allocation.
TCP ignores resource limitations for uninterrupted flow.
34
In a computer operating system, what is the command to manually query the DNS Server?
nslookup
ping
ipconfig
tracert
35
Three of these are examples of AAA (Authenticate, Access, Accounting.) Which is not?
Filtering packets through appropriate switch.
Control network access.
Specify Permitted Actions
Make Records Of Network Activity.
36
Three of these are Security Policy Vulnerabilities, which one isn't?
System accounts with weak passwords, unsecured settings.
Lack of written security Policy, Politics.
lack of authentication continuity, logical access controls not applied.
Software/hardware changes ignoring policy, no disaster recovery plan.
37
Describe Firewall's Stateful Packet Inspection (SPI):
Allows access by specific application types based on port numbers.
Allows access based on geographic location.
Allows access based on IP or MAC addresses.
Blocks unsolicited packets, permits specific responses.
38
Describe the Electrical threat
Voltage spikes, insufficient supply, unconditioned power.
Human interference, software corruption, network issues.
Magnetic interference, radiation exposure, water damage.
Extreme temperature or humidity, affecting equipment.
39
Which Transport protocol would be used for a VoIP call?
TCP
UDP
40
Define Denial of Service Attacks:
Unauthorized manipulation of data, system access, privileges.
Discovery and mapping of systems, services, vulnerabilities.
Unauthorized access to systems and data.
Disabling or corruption of networks, systems, services.
41
The GET HTTP/HTTPS message type:
Secure data transmission between client and server.
Server response to a client request.
Ensures secure data exchange during form submissions.
Client request for data.
42
What is the primary function of the OSI Presentation layer known as "Compressing"?
Encrypting data for secure transmission.
Organizing and structuring data for transmission.
Reducing the size of data for efficient transmission.
Converting data into a compatible format.
43
Name the three types of malware.
Spyware, Adware, Firewall.
Viruses, Worms, Trojan horses.
Antivirus, Encryption, Phishing.
Viruses, Worms, Spoofing.
44
Most frequently used 4-word command string provides a summary of key information for all network interfaces on a router?
Show IP Interface Brief
Check Network Interfaces
View IP Configuration
Display Interface Summary
45
What are two examples of Request and Reply applications that would use UDP?
DNS and DHCP
SMTP and FTP
DNS and HTTP
SSH and Telnet
46
Describe the purpose of the application protocol port POP.
Routes and forwards data packets.
Establishes secure connections for file transfer.
Used to send emails.
Used to receive email, does not store email on a server.
47
The PUT HTTP/HTTPS message type
Uploads resources or content to the web server, such as an image.
Ensures secure data exchange during form submissions.
Uploads data files to the web server, such as form data.
Client request for data.
48
What are the four DHCP messages used (in correct order) when a client computer uses DHCP to configure its network card?
DHCPACK, DHCPREQUEST, DHCPDISCOVER, DHCPOFFER.
DHCPDISCOVER, DHCPOFFER, DHCPREQUEST, DHCPACK.
DHCPREQUEST, DHCPOFFER, DHCPDISCOVER, DHCPACK.
DHCPOFFER, DHCPDISCOVER, DHCPACK, DHCPREQUEST.
49
What is a network baseline?
A snapshot of current network traffic.
A set of error messages from network commands.
A standard measurement of network performance and behavior.
An archive of saved ping results for future comparison.
50
Explain the purpose of the OSI Session layer.
It creates and maintains dialogs between applications.
It ensures error-free data transmission.
It handles the routing and forwarding of data packets.
It establishes and terminates connections.
51
What is the purpose of the Sequence Number in the Transport Header?
Used for data reassembly purposes.
Specifies the sequence number for data segmentation.
Identifies the source application by port number.
Identifies the destination application by port number.
52
the Physical threat Hardware Threats:
Electrical issues, power surges, maintenance errors.
Physical damage to servers, routers, switches, cabling.
Human interference, software corruption, network issues.
Magnetic interference, radiation exposure, water damage.
53
Describe the purpose of the application protocol port DNS.
Translates domain names into IP addresses.
Establishes secure connections for file transfer.
Sends emails securely.
Routes and forwards data packets.
54
The POST HTTP/HTTPS message type
Uploads data files to the web server, such as form data.
Server response to a client request.
Client request for data.
Ensures secure data exchange during form submissions.
55
Describe the purpose of the OSI Application layer.
It establishes and terminates connections.
It provides the interface between applications and the network.
It ensures error-free data transmission.
It handles routing and forwarding of data packets.
56
What are the three parts to a URL?
Server IP address, port number, resource path.
Protocol or scheme, server name, specific filename requested.
Subdomain, top-level domain, path.
User authentication, query parameters, anchor.
57
the port number used for the HTTP Application protocol.
110.
80.
22.
25.
58
Define Access Attacks:
Unauthorized access to systems and data.
Unauthorized manipulation of data, system access, privileges.
Defense mechanisms protecting against cyber threats.
Discovery and mapping of systems, services, vulnerabilities.
59
the port number used for the HTTPS Application protocol.
110.
443.
22.
25.
60
Describe the Environmental threat - Temperature and Humidity Extremes:
Magnetic interference, radiation exposure, water damage.
Extreme temperature or humidity, affecting equipment.
Electrical issues, power surges, maintenance errors.
Human interference, software corruption, network issues.
61
Describe Firewall's URL Filtering:
Allows access by specific application types based on port numbers.
Allows access to websites based on specific URLs or keywords.
Allows access based on IP or MAC addresses.
Allows access based on geographic location.
62
What is the three-way handshake in TCP?
A method for preventing data corruption during transmission.
Establishing a connection with three rounds of acknowledgment.
The process of initiating and terminating a TCP connection.
The process of confirming a communication session in three steps.
63
Define Computer Viruses:
Harmful files that steal sensitive information.
Security protocols that protect against malware.
Malicious programs that spread, infecting other programs.
Network attacks that exploit software vulnerabilities.
64
How is Extended Ping executed?
By typing ping with a destination IP address in privileged EXEC mode.
By entering ping in privileged EXEC mode without a destination IP address.
By typing ping without a destination IP address in user EXEC mode.
By entering ping in user EXEC mode with a destination IP address.
65
Define Trojan Horses:
Legitimate software that causes harm.
Self-replicating software requiring user interaction.
Malicious files exploiting software vulnerabilities.
Security protocols protecting against malware.
66
Name four types of network devices that should use a Static IP address.
Modems, firewalls, access points, network cameras.
Network cables, connectors, patch panels, hubs.
Gateway routers, switches, servers, printers.
Computers, laptops, tablets, smartphones.
67
How are multiple separate communications tracked by the Transport layer?
Different source IP addresses
Different destination IP addresses
Different source port numbers
Different destination port numbers
68
What do socket pairs enable?
Distinguishing multiple processes on a server.
Allowing multiple processes on a client to distinguish themselves.
Identifying multiple connections on a client.
Enabling multiple connections to a server process to be distinguished.
69
Describe the purpose of the application protocol port SMTP.
Used to send emails.
Translates domain names into IP addresses.
Establishes secure connections for file transfer.
Routes and forwards data packets.
70
the port number used for the DNS Application protocol.
22.
80.
53.
21.
71
What problem is caused by a duplex mismatch between interconnected Ethernet interfaces?
Network congestion.
Poor link performance.
Excessive data collisions.
Slow data transfer speed.
72
the three primary functions of the OSI Presentation layer.
Decrypting data, compressing data, and formatting data.
Converting data, encrypting data, and compressing data.
Presenting data, formatting data, and compressing data.
Formatting data, compressing data, and encrypting data.
73
What is the network management tool Protocol Analysis used for?
Monitoring network hardware for physical issues.
Analyzing traffic to make decisions for more efficient management.
Encrypting data for secure communication.
Identifying and blocking malicious activities on the network.
74
2-word command syntax in Windows Command prompt displays the known IP address and MAC address bindings in the ARP cache?
TRACERT -A
ARP -A
NETSTAT -A
PING -A
75
What does the IOS debug command allow the administrator to display in real-time for analysis?
System configuration files
Device hardware details.
Network traffic and errors.
OS process, protocol, mechanism, and event messages.
76
What characterizes TCP regarding connection establishment?
Relies on sessionless communication, no connection negotiation.
Operates without connection negotiation.
Temporarily connects source/destination for data.
Establishes a permanent connection before forwarding
77
What are the three steps of the three-way handshake in TCP?
Client acknowledges, server requests, client requests.
Server acknowledges, client requests, server requests.
Client requests, server acknowledges, client acknowledges.
Server requests, client acknowledges, server acknowledges.
78
Explain the purpose of the application protocol HTTPS.
Translates domain names into IP addresses.
Routes and forwards data packets.
Facilitates secure exchange of text, images, sound, and multimedia files.
Used to send emails.
79
What is the primary function of the OSI Presentation layer known as "Formatting"?
Organizing and structuring data for transmission.
Compressing data to reduce size.
Encrypting data for secure transmission.
Converting data into a compatible format.
80
Define Denial of Service (DoS) Attacks:
Unauthorized access to systems and data.
Unauthorized manipulation of data, system access, privileges.
Consuming system resources to prevent service use.
Disabling or corruption of networks, systems, services.
81
Define Computer Worms:
Security protocols protecting against malware.
Programs exploiting software vulnerabilities.
Malicious files requiring host programs.
Self-replicating software causing damage.
82
A DDoS attack is _____________
Consuming system resources to prevent service use.
Originating from multiple coordinated sources.
Unauthorized manipulation of data, system access, privileges.
Disabling or corruption of networks, systems, services.

ASSIGNMENT 5 PRACTICE QUIZ! Flashcards | StudBud

ASSIGNMENT 5 PRACTICE QUIZ!

82 termsStudBud Administration26 plays

Flashcards82 cardsFPractice quizPHost liveL

Questions 82

Answers

1
Which protocol keeps original email messages on the email server until manually deleted?
POP
IMAP
2
What does a DNS server database contain?
Domain name-to-IP mappings.
Web page content.
User authentication data.
Email messages.
3
Which Transport protocol would be used for a webpage download?
HTTP
ICMP
UDP
TCP
4
How does TCP control the flow of data when congestion is occurring?
By increasing the Window Size.
By reducing the Window Size.
By increasing the data transmission rate.
By ignoring congestion and continuing data flow.
5
Three of these are Configuration Vulnerabilities, which one isn't?
Unsecured user accounts, system accounts with easily guessed passwords.
Misconfigured internet services, unsecured default settings.
Physical damage to servers, routers, switches, cabling, etc.
Misconfigured network equipment, lacking proper security settings.
6
Define Network Attack Reconnaissance:
Discovery and mapping of systems, services, vulnerabilities.
Unauthorized access to systems and data.
Defense mechanisms protecting against cyber threats.
Manipulation of data to cause system malfunctions.
7
Describe Firewall's: Packet Filtering:
Allows access based on user authentication.
Allows access based on geographic location.
Allows access based on IP or MAC addresses.
Allows access based on application content.
8
Describe Firewall's: Application Filtering:
Allows access based on IP or MAC addresses.
Allows access by specific application types based on port numbers.
Allows access based on geographic location.
Allows access based on user authentication.
9
What is the primary function of the OSI Presentation layer known as "Compressing"?
Encrypting data for secure transmission.
Converting data into a compatible format.
Organizing and structuring data for transmission.
Reducing the size of data for efficient transmission.
10
the Maintenance threat
Poor handling of electrical components, lack of spare parts.
Magnetic interference, radiation exposure, water damage.
Human interference, software corruption, network issues.
Voltage spikes, insufficient supply, unconditioned power.
11
Which of the two Transport protocols has the lower overhead and is therefore faster?
UDP
TCP
12
What are protocol(s) that support real-time applications?
Transmission Control Protocol (TCP) for reliability.
Real-Time Transport Protocol and Real-Time Transport Control Protocol.
User Datagram Protocol (UDP) for real-time communication.
Internet Control Message Protocol (ICMP) for network troubleshooting.
13
Technological Vulnerabilities:
Network protocol, OS, Device weaknesses.
Application, Firewall, Encryption flaws.
TCP/IP, OS, Network equipment weaknesses.
Software, Hardware, System vulnerabilities.
14
Name the three primary vulnerabilities in networks and devices.
Technological, Configuration, Security Policy vulnerabilities.
Malware, Firewall, Encryption vulnerabilities.
Hardware, Software, Physical vulnerabilities.
User, Network architecture, Environmental vulnerabilities.
15
What type of Control flag is used in a TCP connection?
SYN
RST
ACK
PSH
16
Describe the purpose of the application protocol HTTP. (WWW = World Wide Web.)
Routes and forwards data packets.
Exchanges text, images, sound, video, and other multimedia files on the WWW
Used to send emails.
Translates domain names into IP addresses.
17
What command can be used for troubleshooting DNS troubles for PCs?
NSLOOKUP
TRACERT
IPCONFIG
PING
18
Name The Four Classes of Physical Threats
Software, Electrical, Human, Maintenance threats.
Human, Software, Network, Power threats.
Hardware, Environmental, Electrical, Maintenance threats.
Magnetic, Radiation, Dust, Water threats.
19
What is the purpose of the Source Port Number in the Transport Header?
Indicates the size of the data payload.
Identifies the destination application by port number.
Specifies the sequence number for data segmentation.
Identifies the source application by port number.
20
the port number used for the SMTP Application protocol.
30.
22.
25.
80.
21
What is a duplex mismatch?
Simultaneous two-way communication between devices.
Optimal configuration for network performance.
Efficient data transfer in half-duplex mode.
Poor link performance due to different duplex settings.
22
What is redundancy in network design?
Reducing the need for security measures.
Improving data transfer speed.
Eliminating single points of failure.
Enhancing network performance.
23
What command in Windows Command Prompt shows IP, MAC, subnet, gateway, DNS, and Layer 3 details?
NETSTAT /ALL
TRACERT /ALL
PING /ALL
IPCONFIG /ALL
24
How does TCP address the issue of data arriving in the wrong order due to multiple routes w/ varying transmission rates?
Allowing data to arrive in any order for efficiency.
Prioritizing data based on the fastest route.
Ensuring same-order delivery despite network routes.
Randomizing the order of data for optimal transmission.
25
the port number used for the POP Application protocol.
22.
25.
80.
110.
26
What type of Control flag is used in a TCP termination?
ACK
SYN
FIN
RST
27
What are socket pairs?
Combination of both source and destination IP addresses
Combination of source IP address and source port number
Combination of both source and destination port numbers
Combination of destination IP address and destination port number
28
What is the purpose of the Destination Port Number in the Transport Header?
Identifies the source application by port number.
Specifies the sequence number for data segmentation.
Indicates the size of the data payload.
Identifies the destination application by port number.
29
What is the purpose of the Acknowledgment Number in the Transport Header?
Specifies the sequence number for data segmentation.
Identifies the source application by port number.
Used to indicate that data has been received.
Identifies the destination application by port number.
30
What command shows TCP connections in a Command prompt window?
ipconfig
ping
tracert
netstat
31
What is the purpose of the Window Size in the Transport Header?
Specifies the sequence number for data segmentation.
Indicates the number of bytes that can be accepted at one time.
Indicates the size of the data payload.
Identifies the source application by port number.
32
How does TCP mitigate segment corruption or loss during transmission?
Ensuring segments are error-free through constant monitoring.
Establishing temporary connections to prevent segment issues.
Allowing segments to be lost, relying on network resilience.
By retransmitting lost segments for reliable delivery.
33
How does TCP handle limited network resources, requesting a reduction in the data flow rate?
TCP increases data flow to overcome resource constraints.
TCP can instruct the sending application to slow down.
TCP relies on the network to manage resource allocation.
TCP ignores resource limitations for uninterrupted flow.
34
In a computer operating system, what is the command to manually query the DNS Server?
nslookup
ping
ipconfig
tracert
35
Three of these are examples of AAA (Authenticate, Access, Accounting.) Which is not?
Filtering packets through appropriate switch.
Control network access.
Specify Permitted Actions
Make Records Of Network Activity.
36
Three of these are Security Policy Vulnerabilities, which one isn't?
System accounts with weak passwords, unsecured settings.
Lack of written security Policy, Politics.
lack of authentication continuity, logical access controls not applied.
Software/hardware changes ignoring policy, no disaster recovery plan.
37
Describe Firewall's Stateful Packet Inspection (SPI):
Allows access by specific application types based on port numbers.
Allows access based on geographic location.
Allows access based on IP or MAC addresses.
Blocks unsolicited packets, permits specific responses.
38
Describe the Electrical threat
Voltage spikes, insufficient supply, unconditioned power.
Human interference, software corruption, network issues.
Magnetic interference, radiation exposure, water damage.
Extreme temperature or humidity, affecting equipment.
39
Which Transport protocol would be used for a VoIP call?
TCP
UDP
40
Define Denial of Service Attacks:
Unauthorized manipulation of data, system access, privileges.
Discovery and mapping of systems, services, vulnerabilities.
Unauthorized access to systems and data.
Disabling or corruption of networks, systems, services.
41
The GET HTTP/HTTPS message type:
Secure data transmission between client and server.
Server response to a client request.
Ensures secure data exchange during form submissions.
Client request for data.
42
What is the primary function of the OSI Presentation layer known as "Compressing"?
Encrypting data for secure transmission.
Organizing and structuring data for transmission.
Reducing the size of data for efficient transmission.
Converting data into a compatible format.
43
Name the three types of malware.
Spyware, Adware, Firewall.
Viruses, Worms, Trojan horses.
Antivirus, Encryption, Phishing.
Viruses, Worms, Spoofing.
44
Most frequently used 4-word command string provides a summary of key information for all network interfaces on a router?
Show IP Interface Brief
Check Network Interfaces
View IP Configuration
Display Interface Summary
45
What are two examples of Request and Reply applications that would use UDP?
DNS and DHCP
SMTP and FTP
DNS and HTTP
SSH and Telnet
46
Describe the purpose of the application protocol port POP.
Routes and forwards data packets.
Establishes secure connections for file transfer.
Used to send emails.
Used to receive email, does not store email on a server.
47
The PUT HTTP/HTTPS message type
Uploads resources or content to the web server, such as an image.
Ensures secure data exchange during form submissions.
Uploads data files to the web server, such as form data.
Client request for data.
48
What are the four DHCP messages used (in correct order) when a client computer uses DHCP to configure its network card?
DHCPACK, DHCPREQUEST, DHCPDISCOVER, DHCPOFFER.
DHCPDISCOVER, DHCPOFFER, DHCPREQUEST, DHCPACK.
DHCPREQUEST, DHCPOFFER, DHCPDISCOVER, DHCPACK.
DHCPOFFER, DHCPDISCOVER, DHCPACK, DHCPREQUEST.
49
What is a network baseline?
A snapshot of current network traffic.
A set of error messages from network commands.
A standard measurement of network performance and behavior.
An archive of saved ping results for future comparison.
50
Explain the purpose of the OSI Session layer.
It creates and maintains dialogs between applications.
It ensures error-free data transmission.
It handles the routing and forwarding of data packets.
It establishes and terminates connections.
51
What is the purpose of the Sequence Number in the Transport Header?
Used for data reassembly purposes.
Specifies the sequence number for data segmentation.
Identifies the source application by port number.
Identifies the destination application by port number.
52
the Physical threat Hardware Threats:
Electrical issues, power surges, maintenance errors.
Physical damage to servers, routers, switches, cabling.
Human interference, software corruption, network issues.
Magnetic interference, radiation exposure, water damage.
53
Describe the purpose of the application protocol port DNS.
Translates domain names into IP addresses.
Establishes secure connections for file transfer.
Sends emails securely.
Routes and forwards data packets.
54
The POST HTTP/HTTPS message type
Uploads data files to the web server, such as form data.
Server response to a client request.
Client request for data.
Ensures secure data exchange during form submissions.
55
Describe the purpose of the OSI Application layer.
It establishes and terminates connections.
It provides the interface between applications and the network.
It ensures error-free data transmission.
It handles routing and forwarding of data packets.
56
What are the three parts to a URL?
Server IP address, port number, resource path.
Protocol or scheme, server name, specific filename requested.
Subdomain, top-level domain, path.
User authentication, query parameters, anchor.
57
the port number used for the HTTP Application protocol.
110.
80.
22.
25.
58
Define Access Attacks:
Unauthorized access to systems and data.
Unauthorized manipulation of data, system access, privileges.
Defense mechanisms protecting against cyber threats.
Discovery and mapping of systems, services, vulnerabilities.
59
the port number used for the HTTPS Application protocol.
110.
443.
22.
25.
60
Describe the Environmental threat - Temperature and Humidity Extremes:
Magnetic interference, radiation exposure, water damage.
Extreme temperature or humidity, affecting equipment.
Electrical issues, power surges, maintenance errors.
Human interference, software corruption, network issues.
61
Describe Firewall's URL Filtering:
Allows access by specific application types based on port numbers.
Allows access to websites based on specific URLs or keywords.
Allows access based on IP or MAC addresses.
Allows access based on geographic location.
62
What is the three-way handshake in TCP?
A method for preventing data corruption during transmission.
Establishing a connection with three rounds of acknowledgment.
The process of initiating and terminating a TCP connection.
The process of confirming a communication session in three steps.
63
Define Computer Viruses:
Harmful files that steal sensitive information.
Security protocols that protect against malware.
Malicious programs that spread, infecting other programs.
Network attacks that exploit software vulnerabilities.
64
How is Extended Ping executed?
By typing ping with a destination IP address in privileged EXEC mode.
By entering ping in privileged EXEC mode without a destination IP address.
By typing ping without a destination IP address in user EXEC mode.
By entering ping in user EXEC mode with a destination IP address.
65
Define Trojan Horses:
Legitimate software that causes harm.
Self-replicating software requiring user interaction.
Malicious files exploiting software vulnerabilities.
Security protocols protecting against malware.
66
Name four types of network devices that should use a Static IP address.
Modems, firewalls, access points, network cameras.
Network cables, connectors, patch panels, hubs.
Gateway routers, switches, servers, printers.
Computers, laptops, tablets, smartphones.
67
How are multiple separate communications tracked by the Transport layer?
Different source IP addresses
Different destination IP addresses
Different source port numbers
Different destination port numbers
68
What do socket pairs enable?
Distinguishing multiple processes on a server.
Allowing multiple processes on a client to distinguish themselves.
Identifying multiple connections on a client.
Enabling multiple connections to a server process to be distinguished.
69
Describe the purpose of the application protocol port SMTP.
Used to send emails.
Translates domain names into IP addresses.
Establishes secure connections for file transfer.
Routes and forwards data packets.
70
the port number used for the DNS Application protocol.
22.
80.
53.
21.
71
What problem is caused by a duplex mismatch between interconnected Ethernet interfaces?
Network congestion.
Poor link performance.
Excessive data collisions.
Slow data transfer speed.
72
the three primary functions of the OSI Presentation layer.
Decrypting data, compressing data, and formatting data.
Converting data, encrypting data, and compressing data.
Presenting data, formatting data, and compressing data.
Formatting data, compressing data, and encrypting data.
73
What is the network management tool Protocol Analysis used for?
Monitoring network hardware for physical issues.
Analyzing traffic to make decisions for more efficient management.
Encrypting data for secure communication.
Identifying and blocking malicious activities on the network.
74
2-word command syntax in Windows Command prompt displays the known IP address and MAC address bindings in the ARP cache?
TRACERT -A
ARP -A
NETSTAT -A
PING -A
75
What does the IOS debug command allow the administrator to display in real-time for analysis?
System configuration files
Device hardware details.
Network traffic and errors.
OS process, protocol, mechanism, and event messages.
76
What characterizes TCP regarding connection establishment?
Relies on sessionless communication, no connection negotiation.
Operates without connection negotiation.
Temporarily connects source/destination for data.
Establishes a permanent connection before forwarding
77
What are the three steps of the three-way handshake in TCP?
Client acknowledges, server requests, client requests.
Server acknowledges, client requests, server requests.
Client requests, server acknowledges, client acknowledges.
Server requests, client acknowledges, server acknowledges.
78
Explain the purpose of the application protocol HTTPS.
Translates domain names into IP addresses.
Routes and forwards data packets.
Facilitates secure exchange of text, images, sound, and multimedia files.
Used to send emails.
79
What is the primary function of the OSI Presentation layer known as "Formatting"?
Organizing and structuring data for transmission.
Compressing data to reduce size.
Encrypting data for secure transmission.
Converting data into a compatible format.
80
Define Denial of Service (DoS) Attacks:
Unauthorized access to systems and data.
Unauthorized manipulation of data, system access, privileges.
Consuming system resources to prevent service use.
Disabling or corruption of networks, systems, services.
81
Define Computer Worms:
Security protocols protecting against malware.
Programs exploiting software vulnerabilities.
Malicious files requiring host programs.
Self-replicating software causing damage.
82
A DDoS attack is _____________
Consuming system resources to prevent service use.
Originating from multiple coordinated sources.
Unauthorized manipulation of data, system access, privileges.
Disabling or corruption of networks, systems, services.