Information Cyber Security Set 12 MCQs

Q1 | Which of the following is not a secured mail transferring methodology?

pop3

ssmtp

mail using pgp

s/mime

Q2 | __________ is used for encrypting data at network level.

ipsec

https

smtp

s/mime

Q3 | S/MIME is abbreviated as __________________

secure/multimedia internet mailing extensions

secure/multipurpose internet mailing extensions

secure/multimedia internet mail extensions

secure/multipurpose internet mail extensions

Q4 | PGP encrypts data by using a block cipher called ______

international data encryption algorithm

private data encryption algorithm

internet data encryption algorithm

local data encryption algorithm

Q5 | When were VPNs introduced into the commercial world?

early 80’s

late 80’s

early 90’s

late 90’s

Q6 | What protocol is NOT used in the operation of a VPN?

pptp

ipsec

ymum

l2tp

Q7 | Which of the following statements is NOT true concerning VPNs?

financially rewarding compared to leased lines

allows remote workers to access corporate data

allows lan-to-lan connectivity over public networks

is the backbone of the internet

Q8 | Traffic in a VPN is NOT ____________

invisible from public networks

logically separated from other traffic

accessible from unauthorized public networks

restricted to a single protocol in ipsec

Q9 | Which layer 3 protocols can be transmitted over an L2TP VPN?

only ip

only ipx

only icmp

ip and ipx

Q10 | ESP (Encapsulating Security Protocol) is defined in which of the following standards?

ipsec

pptp

ppp

l2tp

Q11 | L2F was developed by which company?

microsoft

cisco

blizzard entertainment

ietf

Q12 | Which layer of the OSI reference model does PPTP work at?

layer 1

layer 2

layer 3

layer 4

Q13 | Which layer of the OSI reference model does IPsec work at?

layer 1

layer 2

layer 3

layer 4

Q14 | Firewalls can be of _______ kinds.

1

2

3

4

Q15 | _________________ is the kind of firewall is connected between the device and the network connecting to internet.

hardware firewall

software firewall

stateful inspection firewall

microsoft firewall

Q16 | _________ is software that is installed using an internet connection or they come by-default with operating systems.

hardware firewall

software firewall

stateful inspection firewall

microsoft firewall

Q17 | Which of the following is not a software firewall?

windows firewall

outpost firewall pro

endian firewall

linksys firewall

Q18 | Firewall examines each ____________ that are entering or leaving the internal network.

emails users

updates

connections

data packets

Q19 | A firewall protects which of the following attacks?

phishing

dumpster diving

denial of service (dos)

shoulder surfing

Q20 | There are ______ types of firewall.

5

4

3

2

Q21 | Packet filtering firewalls are deployed on ________

routers

switches

hubs

repeaters

Q22 | In the ______________ layer of OSI model, packet filtering firewalls are implemented.

application layer

session layer

presentation layer

network layer

Q23 | The __________ defines the packet filtering firewall rules.

access control list

protocols

policies

ports

Q24 | ACL stands for _____________

access condition list

anti-control list

access control logs

access control list

Q25 | When a packet does not fulfil the ACL criteria, the packet is _________

resend

dropped

destroyed

acknowledged as received