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Test your basic knowledge |
GIAC
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Study First
Subjects
:
certifications
,
giac
,
it-skills
Instructions:
Answer 50 questions in 15 minutes.
If you are not ready to take this test, you can
study here
.
Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.
This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. Worms and Wireless - modems - tunnel anything through HTTP - social engineering
UDP packet headers
Some ways to bypass firewall protections
NIDS challenges
What categories do vulnerabilities fall into?
2. Unencrypted message in its original form
Plaintext
Nmap scanning techniques
Stateful firewall
Types of viruses
3. Trying to ID modems in a telephone exchange that may be susceptible to compromise
War Dialing
The four types of events reported by IDS
Shallow packet inspection
Race conditions
4. It allows the transport layer to detect when the UDP headers or the payload have been modified in transit
Types of viruses
Checksum in UDP
Some NIDS topology limitations
A blind FTP
5. Replicates traffic onto all ports - no traffic monitoring - cannot control which ports should or shouldn't receive frames - forming a large collision domain.
File integrity checking work
Hubs
Types of viruses
What's a VLAN
6. A low end firewall that can quickly be deployed using existing hardware. They examine packets themselves with no content.
Asynchronous Transfer Mode
Risk
HIDS monitor
Stateless packet filter
7. Confidentiality - integrity - availability
The CIA triad
ATM work
The conficker worm
Risk
8. An attacker spoofs the victim's IP and sends an ICMP ECHO request to the broadcast address of a network. When every system responds - a DoS occurs.
The TCP/IP model
The OSI Protocol Stack
Some reasons to use TCP over UDP
Smurf attack
9. Intrusion detection system - it reports attacks against monitored systems/networks
Alteration of code
Deep packet inspection
Rotation?
IDS
10. It interacts with data and prepares it to be transmitted across the network. It ensures reliable connectivity from end-to-end
The transport layer
The data link layer
3-way handshake
Kismet
11. Poor programming without error checking can allow commands to be run in an input field. This can point to a command further in the buffer that will execute the attacker's payload.
The physical layer stack
Buffer overflow
A netcat listener
The session layer
12. CIDR is a shorthand way of specifying which portion of the address is the network - and which portion is the host
CIDR
Some honeypot advantages
Switches
Browsing attack
13. 192.0.0.0 through 223.255.255.255 - subnet mask of 255.255.255.0
Proxy or application gateway
Arbitrary substitution
What range is a class C network?
Honeypot
14. open source tool for monitoring - can be used as a NIDS - has quick updates and flexibility for custom rules
Internet
SQL Slammer Worm
DDoS attack
Snort
15. Prepends to the beginning of the file and gains control when the first instruction of the infected COM file is executed - appending to the end - virus writes its payload to the end and inserts jump instruction as the first instruction - which execute
COM/Script program infector
ACK piggybacking
IDS not
The conficker worm
16. A sends a SYN packet to B - B acknowledges with a SYN/ACK - A replies with ACK
When setting up a virtual circuit
PAN
Macro virus
3-way handshake
17. Protected at rest - protected in transit - secure the key
Deep packet inspection
Trojan horse
Vulnerabilities
What ways should the crypto key be protected?
18. Combines the functionality of a hub and bride into a single device - keeps track of MACs attached to each port
Switches
WAN
Buffer overflow
File integrity checking work
19. Hash Authentication - asymmetric - non repudiation - digital signature - hash + asymmetry
IDS not
Alteration of code
Router
Integrity of Data
20. Strips OS commands and characters from input - avoid making system calls from within the app * especially based on user input
The threat vector analysis in defense in depth
Plaintext
OS Command Injection defenses
The protected enclave to defense in depth
21. Most common approach - firewall - VPN - intrusion detection - AV - disk encryption - all parts of the organization receive equal protection - particularly vulnerable to malicious inside attacks
TFTP
The Uniform Protection to defense in depth
The presentation layer
Browsing attack
22. Handles the network address scheme and connectivity of multiple network segments. It handles communication.
A blind FTP
The network layer
Address resolution protocol
Total cell size for asynchronous transfer mode (ATM)
23. Confidentiality - symmetric encryption
The three goals of security
The transport layer
The conficker worm
The goals of cryptography
24. low interaction production honeypot - network daemon that can simulate other hosts - each host can appear as a different OS
NAC
Honeyd
LAN
A netcat listener
25. Infected millions through various methods - vulnerability in the MS Server Service - brute force admin password through network shares - infect removable devices with a malicious autorun script
What range is a class B network?
The conficker worm
Some reasons to use TCP over UDP
Program infector
26. destruction of data - leaking confidential information - providing backdoor access
The Information Centric defense in depth
The transport layer
Some malware capabilities
The different cable categories
27. 1. physical 2. data 3. network 4. transport 5. session 6. presentation 7. application
Social engineering
The OSI Protocol Stack
Some network design objectives
What range is a class B network?
28. Confidentiality - integrity - availability
NIDS advantages
The three goals of security
What range is a class B network?
To establish a TCP session
29. Relies on executable code insertion and user interaction to spread
Snort
Group
Parasitic malware
The OSI model
30. Connection oriented - before systems can communicate over an ATM network - they must establish a virtual circuit between each other - this can span across multiple ATM switches that also handle communications for other systems - at the end of the con
Integrity of Data
Remote maintenance
What categories do vulnerabilities fall into?
ATM work
31. Uses inclusive or exclusive lists - inclusive analysis utilizes a list of keywords - exclusive analysis utilizes a list of events that can be ignored
The session layer
Log monitoring work?
A netmask
DDoS attack
32. Take the file and try to compress it. If it compresses - it means there is a pattern and it's more easily crackable
Warning
: Invalid argument supplied for foreach() in
/var/www/html/basicversity.com/show_quiz.php
on line
183
33. Handles transmissions across the physical media like wires - fiber - etc
The physical layer stack
The threat vector analysis in defense in depth
Arbitrary substitution
Browsing attack
34. Network traffic to the host - typically listens on all interface - uses signature analysis to identify events of interest
Alteration of code
3-way handshake
HIDS monitor
What range is a class C network?
35. Attaches itself to existing program files and activated when the exe is launched
Kismet
Program infector
The network layer
Anomaly analysis work
36. Netmasks or subnets provide a method for identifying what portion of an address is the network - and what portion is the host
NAC
The Uniform Protection to defense in depth
Trap door
A netmask
37. Most commonly used transport protocol today - ensures reliable packet delivery - has error handling built in
Datagram length of a UDP packet
Overview of TCP
Nmap
the application layer
38. A time of check/time of use attack that exploits the difference in between when a security control was applied and the time the service was used.
The protected enclave to defense in depth
Ack Piggybacking
Race conditions
Denial of service
39. 53 bytes - 48 bytes for data - 5 bytes for the header
When setting up a virtual circuit
Total cell size for asynchronous transfer mode (ATM)
Address resolution protocol
MAN
40. Personal area network - phone tethering - bluetooth - etc
Wardriving
Shallow packet inspection
PAN
Some types of malicious code
41. Isolates systems when they initially connect to the network - allows systems to be scanned and checked prior to being put on a trusted segment
NAC
EXE program infector
Some disadvantages of honeypots
IDS data normalization
42. It interacts with the application layer to determine which network services will be required
Race conditions
the application layer
Logic bomb
The Information Centric defense in depth
43. Attacks systems through known vulnerabilities - automatically scans for more systems to attack - lowers system defenses - installs rootkit or root shell - opens up back doors - self contained malware that can copy itself
Worms
Address resolution protocol
Deep packet inspection
HIDS monitor
44. Attempt to manipulate or trick a person into providing information or access - bypass network security by exploiting humans - vector is often outside attack by telephone or visitor inside
Some reasons to use UDP over TCP
To close a TCP session
Types of ATM virtual circuits
Social engineering
45. Means multiple iterations won't matter. If you encrypt with a key - then re-encrypt - it's the same as using one key.
What range is a class B network?
Group
Rotation?
A netcat listener
46. An appliance that controls access between public internet and a companies private network - or between a PC NIC and the rest of the PC.
Firewall
Multi protocol label switching
Hping
NIDS advantages
47. rules indicate criteria in packets that represent events of interest - rules are applied to packets as they are received - alerts are created when matches are found
Buffer overflow
No State Inspection ACK flag set
IDS signature analysis work
TFTP
48. Network scanner.
Trap door
IDS
A blind FTP
Nmap
49. Program disguised as something helpful - only to perform actions the user did not intend. Opening ports - installing other programs - etc.
What's an easy way to test encryption?
Trojan horse
Boot record infector
No State Inspection ACK flag set
50. Allows admins to remotely access a system for troubleshooting. - E.g VNC - GoToMyPc - PC Anywhere
Defense in depth
Remote maintenance
DDoS attack
Address Resolution Protocol (ARP)
Sorry!:) No result found.
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