Which of the following is considered the oldest technology for remote access

Cyber security protects internet-connected systems including hardware, software, and program or data from cyber attacks.

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Information System
How does remote access work?
Which VPN authentication protocol uses SSL?
Which VPN protocol supports the VPN reconnect feature?
What are some security risks if a pre shared key is used to enable L2TP on a VPN server and VPN clients choose all that apply?

The word cyber security is divided into two words:

Cyber: It denotes the computer, system, network, program, or data
Security: It denotes system security, network security, program, or data security.

Need for cyber security:

To protect private data
To protect intellectual data
To protect banking or financial data
National security
Global economy
Protect sensitive data

Information System

An information system is a software that helps organize and analyze data.

Information system components:

System resource:
- People:
  - Is specialist
  - Is end-user
- Software
- Data
- Network
System activity:
- Input
- Storage
- Processes
- Output
- Control and maintenance

Development of information systems:

The development of information systems is similar to the application development process. It has various approaches. You can follow any of the following requirements.

Classical waterfall model
Prototyping model
Spiral model
Incremental model

Confidentiality

Availability

Integrity

Non-repudiation

True

False

Cannot be interpreted

None

Ubuntu

Fedora

Whonix

Kubuntu

Spamming

Phreaking

Cracking

Phishing

AWS

Cloud workload protection platforms

Cloud security protocols

One Drive

Image rendering

Steganography

Rootkits

Bitmapping

Adware remover in browser

Incognito mode in the browser

Anti-malware in browser

Remote browser access

Endless detection and response

Endpoint detection and response

Endless detection and recovery

Endpoint detection and recovery

Managed detection and response

Cloud access security broker

Network traffic analysis

Network security firewall

Threat

Bug

Attack

Vulnerability

Threat

Bug

Attack

Vulnerability

Phishing

DOS attack

Soliciting

Both B and C

Antivirus

Adware

Malware

None of the above

Access control

Availability

Confidentiality

All of the above

Aircrack-ng

Wireshark

Norton

None

SYN Stealth

Null Scan

Xmas tree Scan

Cloud scan

Blaster

Creeper

Sasser

Both b and c

Network security

Operational security

Application security

All of the above

WPS

WPA

WPA2

Both b and c.

Transmission Control Protocol/ internet protocol

Transaction Control protocol/ internet protocol

Transmission Contribution protocol/ internet protocol

To measure reliability

To measure security

To measure longevity

To measure performance

DVD Player

CSS

Only B

Both A and B

Scalar text

Complex text

Plain text

None

Challenge Hardware Authentication Protocols

Circuit Hardware Authentication Protocols

Challenge Handshake Authentication Protocols

Circuit Handshake Authentication Protocols

Trojans

Worms

Rootkits

Virus

Exploit

Attack

Compliance

None

Cracking

Non-ethical hacking

Ethical hacking

Hacktivism

Multipurpose software

Malfunctioned software

Malicious software

Malfunctioning of security

SSMTP

S/MIME

POP3

Mail using PGP

Private Communication Technique

Private Connecting Technology

Private Communication Technology

Personal Communication Technology

Bing

Duckduckgo

Google

Yahoo

Data clustering

Data Altering

Data Backup

Data Recovery

Footprinting

ARP Poisoning

DNS Poisoning

Enumeration

For obtaining remote access connection

Hiding malicious activity on the network

Create a ghost server on the network

Create a stronger connection with the target

Worm

Virus

Trojan horse

Trap door

Antivirus

Virus

Word processing software

Photo editing software

Virus

Malware

Spam

All of the above

Dos Attack

Phishing

Soliciting

Both B and C

Authenticity

Availability

Integrity

Confidentiality

AIC(Availability, Integrity, Confidentiality)

NIC(Non-repudiation, Integrity, Confidentiality)

AIN(Availability, Integrity, Non-repudiation)

ANC(Availability, Non-repudiation, Confidentiality)

Confidentiality

Authentication

Integrity

Non-repudiation

How does remote access work?

Remote access simply works by linking the remote user to the host computer over the internet. It does not require any additional hardware to do so. Instead, it requires remote access software to be downloaded and installed on both the local and remote computers.

Which VPN authentication protocol uses SSL?

OpenVPN. Probably the most popular VPN protocol. OpenVPN uses TLS with SSL/TLS for private key exchange. It relies on the OpenSSL crypto library - an index of secure cryptography algorithms that make your tunnel safer.

Which VPN protocol supports the VPN reconnect feature?

The benefits of IKEv2/IPSec Auto-reconnect: IKEv2/IPsec offers an efficient reconnect function when your VPN connection is interrupted.

What are some security risks if a pre shared key is used to enable L2TP on a VPN server and VPN clients choose all that apply?

The primary concern with L2TP is that some VPNs do not implement the protocol effectively, using pre-shared keys that can be downloaded from the service's website. An attacker could use the pre-shared key to impersonate a VPN server and then monitor encrypted traffic or even inject code into the VPN tunnel.