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Security Concepts Quiz

Total questions: 40

Worksheet time: 20mins

Name
Class
Date
1.

Which feature of a firewall helps mitigate IP spoofing attacks?

a)

NAT

b)

VPN

c)

Access Control Lists

d)

Proxy caching

2.

A firewall that keeps track of session state and allows only response traffic is:

a)

Packet filtering firewall

b)

Application proxy firewall

c)

Stateful inspection firewall

d)

Screening router

3.

Which attack attempts to learn information without modifying system resources?

a)

Active attack

b)

Passive attack

c)

DoS attack

d)

Trojan attack

4.

Which CIA triad component ensures data consistency and accuracy?

a)

Confidentiality

b)

Integrity

c)

Availability

d)

Authentication

5.

A weakness that can be exploited by a threat is called:

a)

Attack

b)

Exploit

c)

Vulnerability

d)

Risk

6.

Which firewall type operates primarily at Layer 7?

a)

Packet filtering

b)

Stateful firewall

c)

Application proxy firewall

d)

Router firewall

7.

IP spoofing mainly violates which security principle?

a)

Confidentiality

b)

Integrity

c)

Authentication

d)

Availability

8.

Which SNMP security improvement is recommended instead of disabling SNMP?

a)

Blocking TCP port 171

b)

Encrypting SNMP packets

c)

Changing default community strings

d)

Using NAT

9.

AXFR and IXFR commands are used for:

a)

DNS poisoning

b)

DNS enumeration

c)

Zone transfer

d)

DNS tunneling

10.

Which scan requires a quiet third-party system?

a)

SYN scan

b)

FIN scan

c)

IDLE scan

d)

XMAS scan

11.

In IDLE scanning, the third-party system is called:

a)

Bot

b)

Zombie

c)

Proxy

d)

Relay

12.

Which port is used by HTTPS?

a)

80

b)

443

c)

21

d)

22

13.

Which protocol provides single sign-on authentication?

a)

RADIUS

b)

TACACS

c)

Kerberos

d)

LDAP

14.

Which malware rewrites itself completely to evade signatures?

a)

Polymorphic virus

b)

Stealth virus

c)

Metamorphic virus

d)

Armored virus

15.

Which attack inserts