IT Security Protocol Packets Quiz

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| By Dilandilandilan

Dilandilandilan

Community Contributor

Quizzes Created: 1 | Total Attempts: 310

Questions: 9 | Attempts: 310 | Updated: Mar 21, 2023

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IT SecurITy Protocol Packets Quiz - Quiz

FINAL HELP FOR IT SECURITY ENJOY GUYS

Questions and Answers

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 REJECT

Explanation
iptables –A FORWARD –s 0/0 –d 0/0 –j REJECT

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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. RFCs

Explanation
RFCs

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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 conditions

Explanation
Check & report on network error conditions

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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 range

Explanation
Only allowing traffic to leave you network with a source IP in your company's IP range

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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 element

Explanation
The human element

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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 rights

Explanation
Using your identity to assign access rights
Supplying your identity

both of these answers are correct.

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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. True

Explanation
True (that’s what a packet sniffer does !)

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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. Yes

Explanation
Yes

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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 process

Explanation
A TCP/IP session shutdown process

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Current Version
Mar 21, 2023

Quiz Edited by
ProProfs Editorial Team
Apr 21, 2010

Quiz Created by
Dilandilandilan

IT Security Protocol Packets Quiz

Which of the following iptables rules would generate a destination unreachable error?

Standards for protocols and associated information are first published in?

The ICMP protocol is specifically designed to:

Which of the following is an example of egress filtering?

Of all the vulnerabilities listed below, which is considered the hardest to harden against?

In security environments, Authorization means

It is possible to capture packets from the network that are not destined for your machine.

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?

During a packet capture, you notice a couple of TCP packets with the “F” flag and some “A” flags. What is likely going on?