Daniel has deployed an antispam solution in his network. If a spam SMTP is accepted, it is called:
Negative detection 0.0%
False positive 0.0%
False negative 100.0%
Untrue detection 0.0%
Daniel has deployed an antispam solution in his network. Positive detection of non-spam SMTP is called:
Negative detection 0.0%
False positive detection 100.0%
False negative detection 0.0%
Untrue detection 0.0%
Dave is fetching mails from a server lying at a remote location. Which protocol is he using to fetch the mails?
SMTP 0.0%
HTTP 0.0%
SSL 0.0%
S/MIME 0.0%
POP3 100.0%
How many antivirus programs should be installed on a single system?
1 100.0%
2 0.0%
3 0.0%
4 0.0%
5 0.0%
How many keys are required if two parties communicate using Asymmetric Cryptography?
One 0.0%
Two 100.0%
Three 0.0%
Four 0.0%
How many keys are required if two parties communicate using Symmetric Cryptography?
One 100.0%
Two 0.0%
Three 0.0%
Four 0.0%
Ques:Which of the following are preventive antivirus measures?
Do not open attachments from suspicious sources. 0.0%
Delete chain and junk mails. 0.0%
Exercise caution while downloading from the internet 0.0%
Backup your files. 0.0%
All of the above 100.0%
Suppose you got a mail from someone saying that you have won a $1 billion and asking you to give him/her $4000 to claim your prize. Under which category does this type of spam mail lie?
Phishing and Fraud 100.0%
Spoofing mails 0.0%
Hoaxes 0.0%
Chain mails 0.0%
Suppose you got a mail from the HSBC bank asking you to give your online bank account details. Under which of the spam mail categories does this mail?
Phishing and fraud. 100.0%
Chain Mails. 0.0%
Hoaxes. 0.0%
Brand spoofing. 0.0%
To which of the following components does the MUA(Mail User Agent) forward the mail while sending it to another host in the e-mail flow?
Mail User Agent 0.0%
Firewall 0.0%
Router 0.0%
Mail Transfer Agent 100.0%
What are zombies?
Antispam solutions. 0.0%
Remotely controlled hosts. 100.0%
Antivirus solutions 0.0%
Hackers 0.0%
What does "RBL" stands for in Email Security?
Realtime Blacking List 0.0%
Realtime Blocking List 33.0%
Realtime Blockhole List 0.0%
Realtime Blackhole List 66.0%
What is botnet?
A software that runs automatically and autonomously. 100.0%
A software used for antispam 0.0%
A software used to manage MTA 0.0%
A software used to manage MDA 0.0%
What is DHA?
Directory Harvest Attack 100.0%
DNS Harvest Attack 0.0%
Direct Harvest Attack 0.0%
Dictionary Harvest Attack 0.0%
What is IMAP?
Internet Messaging Application 0.0%
Interanet Messaging Application 0.0%
Interanet Message Access Protocol 0.0%
Internet Message Access Protocol 100.0%
What is Joe Job?
A virus 0.0%
An antivirus 0.0%
A spam attack 100.0%
An antispam 0.0%
What is Mail Exchanger(MX) Record?
Router route. 0.0%
Record in router. 0.0%
Record in DNS specifying the internet email route. 100.0%
Record in DHCP specifying the email route. 0.0%
What is Phishing?
Fraudulently acquiring sensitive information. 100.0%
An encryption technique 0.0%
An anti-spam technique 0.0%
A password building technique 0.0%
What is S/MIME?
Secure Multipurpose Intranet Mail Extensions 0.0%
Secure Multipurpose Internet Mail Extensions 100.0%
Secure Multipurpose Internet Message Extensions 0.0%
Secure Multipurpose Intranet Message Extensions 0.0%
What is the function of MTA(Mail Transfer Agent)?
It helps in reading the emails 0.0%
It receives and delivers the messages 100.0%
It resolves the names 0.0%
It detects emails carrying virus 0.0%
What is the function of the Reverse DNS Look up Technique in identifying spam mails?
To check the sender's email server attempting for spoofing 0.0%
To check the receiver's email server attempting for spoofing 0.0%
To check the DNS server validity 100.0%
What is the maximum key length of AES?
56 0.0%
156 0.0%
Variable 0.0%
256 100.0%
Which key is used to decrypt the message in PKI?
Public Key. 0.0%
Private Key. 100.0%
Pre-shared Secret Key. 0.0%
Hybrid Key. 0.0%
Which of the following actions can be taken while filtering POP3 spam traffic?
Delete the spam mail 0.0%
Redirect it to the spam mail box 100.0%
Return it to the sender. 0.0%
Tag the spam mail 0.0%
Which of the following actions can be taken while filtering SMTP spam traffic?
Delete the spam mail 33.0%
Redirect it to the spam mail box 33.0%
Return it to the sender. 0.0%
Tag the spam mail 33.0%
Which of the following antispam measures are taken to reduce spam?
Legislative measures 0.0%
Organizational measures 0.0%
Behavioral measures 0.0%
Technological measures. 0.0%
All of the above 100.0%
Which of the following are antivirus measures?
Backup all the softwares and data. 0.0%
Disable the use of external media like floppies etc 0.0%
Install antivirus. 100.0%
If the antivirus does not recognize suspicious items, consult an antivirus professional. 0.0%
Update antivirus regularly 0.0%
All of the above 0.0%
Which of the following are categories of spam mails?
Phishing and Fraud 0.0%
Spoofing mails 0.0%
Hoaxes 0.0%
Chain mails 0.0%
All of the above 100.0%
Which of the following are different categories of viruses?
Parasitic 0.0%
Bootstrap sector 0.0%
Companion 0.0%
Link 0.0%
All of the above 100.0%
Which of the following are different types of spam filtering methods?
Blacklisting 0.0%
Rule based filtering 0.0%
Signature based filtering 0.0%
Bayesian filtering 0.0%
All of the above 100.0%
Which of the following are direct harms caused by spam?
Loss of productivity 0.0%
Increased staff costs 0.0%
Increased infrastructure costs 0.0%
Increased downloading costs 0.0%
All of the above 100.0%
Which of the following are disadvantages of the Symmetric Key Cryptography?
Nonrepudiation. 0.0%
Scalability. 0.0%
Key distribution. 100.0%
Security. 0.0%
Which of the following are Email Security Protocols?
S/MIME 100.0%
PEM 0.0%
STE 0.0%
PME 0.0%
Which of the following are famous worm attacks?
MyDoom Worm 0.0%
Bagle Worm 0.0%
Netsky Worm 0.0%
Sasser Worm 0.0%
All of the above 100.0%
Which of the following are indirect harms caused by spam?
Malicious payload 0.0%
Fraud 0.0%
Loss of reputation 100.0%
Increased communication costs 0.0%
All of the above 0.0%
Which of the following are malicious code attacks?
Brute force 0%
Trojan horses 0%
DDoS 0%
Viruses 0%
Malware 0%
Which of the following are the benefits reaped from spam by those associated with antispam measures?
Antispam software sales 100.0%
Antivirus software sales 0.0%
Increased revenue from advertising 0.0%
Bandwidth sales 0.0%
All of the above 0.0%
Which of the following are the disadvantages of verification?
More complications 0.0%
Increased internet traffic 0.0%
Problems in sending valid bulk mails 0.0%
Insecurity against social engineering. 0.0%
All of the above 100.0%
Which of the following are the ways through which virus spreads?
Floppy Disk 0.0%
CD 0.0%
Email attachments 0.0%
Network connection 0.0%
All of the above 100.0%
Which of the following are threats to Email Security?
Viruses 0.0%
Trojans 0.0%
Spams 0.0%
Phishing 0.0%
All of the above 100.0%
Which of the following files are mostly infected?
.DOT 33.0%
.EXE 33.0%
.COM 33.0%
.TXT 0.0%
Which of the following goals cannot be achieved with the help of Symmetric Cryptography?
Nonrepudiation 0.0%
Confidentiality 0.0%
Integrity 0.0%
Availability. 100.0%
Which of the following is an asymmetric algorithm?
MD5 0.0%
El Gamal 100.0%
IDEA 0.0%
SHA-1 0.0%
Which of the following is the Hashing Algorithm?
AES 0.0%
3-DES 0.0%
DES 0.0%
MD5 100.0%
Which of the following is the Symmetric Algorithm used in cryptography?
MD4 0.0%
El Gamal 100.0%
IDEA 0.0%
RSA 0.0%
Which of the following is used in a Directory Harvest Attack?
Worms 0.0%
Brute Force 100.0%
Trojans 0.0%
Viruses 0.0%
Which of the following is used to control zombies?
Viruses 0.0%
Worms 0.0%
Trojan horses 100.0%
Spam mails 0.0%
Which of the following is used to entangle spammers?
MDA 0.0%
Spam mails 0.0%
Trojans 0.0%
Honey pots 100.0%
Which of the following measures should be taken to tackle spam mails?
Blocking and accepting on the basis of MTA IP address. 0.0%
Limiting the number of outgoing e-mails per account 0.0%
Authentication mechanisms 0.0%
Spam filtering. 0.0%
All of the above 100.0%
Which of the following ports is used by IMAP?
139 0.0%
137 0.0%
143 100.0%
142 0.0%
25 0.0%
Which of the following programs establishes modem connection with pay-per-visit resources?
Trojans 0.0%
Automatic dialers 100.0%
Worms 0.0%
Antivirus 0.0%
Which of the following programs is used by a user to send and receive emails?
Mail Transfer Agent 0.0%
Mail Delivery Agent 0.0%
Mail User Agent 100.0%
Mail Reading Agent 0.0%
Which of the following protocols is used on the sender side when an electronic mail is sent from one host to another?
SMTP 100.0%
POP3 0.0%
HTTP 0.0%
SSL 0.0%
TLS 0.0%
Which of the following resembles the Joe Job attack?
A virus outbreak on the mail server 0.0%
Finding valid/existent email addresses 0.0%
Crashing of the mail server 0.0%
A spam attack that uses spoofed sender data and tarnishes the apparent sender's reputation 100.0%
Which of the following symmetric algorithms have variable key length?
AES 0.0%
Triple DES 0.0%
IDEA 0.0%
Rivest Cipher 4 100.0%
Which of the following symmetric encryption algorithms is/are supported by S/MIME?
RSA 100.0%
DES 0.0%
3DES 0.0%
SHA-1 0.0%
Which of the following techniques are used by spammers to find valid/existent email addresses?
SMTP spoofing 0.0%
SMTP poisioning 0.0%
DNS poisioning 0.0%
Directory Harvest Attack 100.0%
Which of the following techniques are used to identify spam mails?
Blacklists/Whitelists 0.0%
Integrity Check 0.0%
Heuristics 0.0%
Content Filtering 0.0%
Reverse DNS lookup 0.0%
All of the above 100.0%
Which of the following techniques helps in cases of address forgery?
SMTP extensions 0.0%
Cryptographic authentication 0.0%
Path authentication 100.0%
Hybrid authentication 0.0%
Which of the following types of virus lives in the boot sector?
Sector virus 0.0%
Parasitic virus 0.0%
Bootstrap sector 100.0%
Bootable virus 0.0%