What is DKIM used for in cybersecurity?

Verifies the sender through a digital signature sent with a public key

Which of these is correct?

Domains cannot be own and are reserved for limited lengths of time

What does CDR do that antivirus doesn't?

Removes malicious code from within files

Which of these is true about POP3?

Received emails and filters them into the correct user folders

What is SPF used for in cybersecurity?

Authenticates the sender through DNS records and detects forged addresses

What does MIME stand for?

Multipurpose Internet Mail Extensions

Which of these is a device that routes emails to their destinations

Red and Blue are the same thing

What is an Email Header?

The metadata of the email including sender, recipient, content type, etc.

Why is phishing still one of the biggest threats for organizations?

Humans are the weakest link in the cyber security chain

What is a sandbox used for?

Testing suspicious email attachments

What is DMARC used for in cybersecurity?

Monitors, Quarantines, or rejects emails that fail authentication checks

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Duplicate of CIT - Module 4: Mail Security

20 termsStudBud Administration

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Questions 20

Answers

1
Which of these is NOT a real mail protocol?
IMAP
STMP
POP3
RCMP
2
What is DKIM used for in cybersecurity?
Authenticates the recipient and verifies they are allowed to recieve email
Authenticates the sender through DNS records and detects forged addresses
Monitors, Quarantines, or rejects emails that fail authentication checks
Verifies the sender through a digital signature sent with a public key
3
Which of these is correct?
Domains can be controlled and assigned by a company's in-house IT
Domains can be owned privately
Domains are limited based on subnet class
Domains cannot be own and are reserved for limited lengths of time
4
What does CDR do that antivirus doesn't?
Informs the sender that their file has been marked as malicious
Blocks the sender of malicious files from sending anything else
Removes malicious code from within files
says "sorry" when it gives a false negative
5
Which of these is NOT a security tool that can help address email spoofing?
DKIM
DMARC
SPF
FAT
6
Which of these is true about POP3?
All of these are true
Stands for Post Office Privacy Protection Protocol
Uses port 111
Received emails and filters them into the correct user folders
7
Which of these is NOT real?
MRA --- Mail Receiving Agents
MTA --- Mail Transfer Agents
MDA --- Mail Delivery Agents
MUA --- Mail User Agents
8
What is SPF used for in cybersecurity?
Monitors, Quarantines, or rejects emails that fail authentication checks
Verifies the sender through a digital signature sent with a public key
Authenticates the sender through DNS records and detects forged addresses
i dunno...making sure your router doesn't get a sunburn???
9
Where is DNS information stored?
Each device with an IP stores their own DNS info locally
In the Domain Registry
DNS info is never stored. It is for termporary access only
In IANA files on the network
10
What command is used to query domain names and IP addresses in Windows?
nameserver
Iplookup
DNSquery
nslookup
11
What does MIME stand for?
Nothing. They can't stand in all that imaginary wind
Multipurpose Internet Mail Extensions
Multifactor Identity Mail Enforcement
Mail Integrity Multifactor Exchange
12
Which of these is a device that routes emails to their destinations
Red and Blue are the same thing
Email Server
Neither of these
Mail Relay
13
Which of these is true about IMAP?
All of these are true
Uses port 143
Stands for Internet Message Access Protocol
Stores emails and allows users to work on them as if stored locally
14
Which of these is NOT included in DNS records
MK Records
TXT Records
NS Records
CNAME Records
15
Which of these is true about SMTP?
Used for outgoing mail only
Uses port 25
Sends information from a sender's server to a recipient's server
All of these are true
16
What is an advantage to using a Mail Relay?
All of these
Parses and filters MIME headers
Protects against spam, phisihing, and spoofing
Protects the reputation of the domain and the IP
17
What is an Email Header?
The metadata of the email including sender, recipient, content type, etc.
The greeting that indicates the sender knows the recipient
The frame that an email is sent inside of
The displayable portion of an email, the rest is the routing information
18
Why is phishing still one of the biggest threats for organizations?
Because they are identical to legitimate emails
Phish might contain mercury
Phishing is impossible to protect a system from
Humans are the weakest link in the cyber security chain
19
What is a sandbox used for?
The removal of public-facing IPs and attaching of private IPs
Stealing email headers and hiding them from the sender
Testing suspicious email attachments
Hiding important email from anyone monitoring a network
20
What is DMARC used for in cybersecurity?
Monitors, Quarantines, or rejects emails that fail authentication checks
Identifies emails that just barely passed authentication check
Authenticates the sender through DNS records and detects forged addresses
Verifies the sender through a digital signature sent with a public key

Duplicate of CIT - Module 4: Mail Security Flashcards | StudBud