IT Security Protocol Packets Quiz
FINAL HELP FOR IT SECURITY ENJOY GUYS
- 1.
Which of the following iptables rules would generate a destination unreachable error?
- A.
Iptables –A FORWARD –s 0/0 –d 0/0 –j ACCEPT
- B.
Iptables –A FORWARD –s 0/0 –d 0/0 –j DROP
- C.
Iptables –P FORWARD DROP
- D.
Iptables –A FORWARD –s 0/0 –d 0/0 –j REJECT
- E.
None of the above
Correct Answer
D. Iptables –A FORWARD –s 0/0 –d 0/0 –j REJECTExplanation
iptables –A FORWARD –s 0/0 –d 0/0 –j REJECTRate this question:
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- 2.
Standards for protocols and associated information are first published in?
- A.
InternNIC newsletters
- B.
ARPA
- C.
RFCs
- D.
IANA
- E.
RDPs
Correct Answer
C. RFCsExplanation
RFCsRate this question:
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- 3.
The ICMP protocol is specifically designed to:
- A.
Check & report on network error conditions
- B.
Generate networking stats
- C.
Control traffic flow across networks
- D.
Track end-to-end connectivity
- E.
None of the above
Correct Answer
A. Check & report on network error conditionsExplanation
Check & report on network error conditionsRate this question:
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- 4.
Which of the following is an example of egress filtering?
- A.
Having your gateway router block inbound traffic from "private IPs" (ex192.168.x.x)
- B.
Only allowing traffic to leave you network with a source IP in your company's IP range
- C.
Installing a spam filter on your mail server
- D.
Only allowing traffic into your network with a source IP not in your company's IP range
- E.
Having the firewall ensure that traffic from public IP’s can’t get into your network
Correct Answer
B. Only allowing traffic to leave you network with a source IP in your company's IP rangeExplanation
Only allowing traffic to leave you network with a source IP in your company's IP rangeRate this question:
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- 5.
Of all the vulnerabilities listed below, which is considered the hardest to harden against?
- A.
Low physical security
- B.
Active services
- C.
Open ports
- D.
The human element
- E.
Bad passwords
Correct Answer
D. The human elementExplanation
The human elementRate this question:
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- 6.
In security environments, Authorization means
- A.
Confirming your identity with an element unique to the person
- B.
Supplying your identity
- C.
Using your identity to assign access rights
- D.
Tracking what users are doing while accessing the systems
- E.
None of the above
Correct Answer
C. Using your identity to assign access rightsExplanation
Using your identity to assign access rights
Supplying your identity
both of these answers are correct.Rate this question:
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- 7.
It is possible to capture packets from the network that are not destined for your machine.
- A.
False
- B.
True
Correct Answer
B. TrueExplanation
True (that’s what a packet sniffer does !)Rate this question:
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- 8.
A friend lends you the latest INXS music CD he just purchased. You take it home and make a copy. Have you broken any laws?
- A.
Yes
- B.
No
Correct Answer
A. YesExplanation
YesRate this question:
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- 9.
During a packet capture, you notice a couple of TCP packets with the “F” flag and some “A” flags. What is likely going on?
- A.
A TCP/IP session setup process
- B.
An ICMP Request / Reply process
- C.
An ARP process
- D.
A UDP-based FTP session
- E.
A TCP/IP session shutdown process
Correct Answer
E. A TCP/IP session shutdown processExplanation
A TCP/IP session shutdown processRate this question:
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