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Test your basic knowledge |
GIAC
Start Test
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. Known - unknown - zero day
What categories do vulnerabilities fall into?
Honeypot
HIDS monitor
LAN
2. A low end firewall that can quickly be deployed using existing hardware. They examine packets themselves with no content.
Stateless packet filter
Some common UDP ports
The three goals of security
War Dialing
3. A cracking tool inserted into the OS that allows the attacker to do as they please.
Some reasons to use UDP over TCP
SYN flood
LAN
Rootkit
4. Handles the network address scheme and connectivity of multiple network segments. It handles communication.
The network layer
Trojan horse
The conficker worm
The different cable categories
5. deployment challenges including topology and access limitations - analyzing encrypted traffic - quantity vs. quality of signatures - performance limitations with extensive analysis techniques - very costly for proper management
HIDS monitor
NIDS challenges
Snort
Group
6. Strips OS commands and characters from input - avoid making system calls from within the app * especially based on user input
Some Pen Test techniques
OS Command Injection defenses
Anomaly analysis work
Rotation?
7. Unencrypted message in its original form
DDoS attack
What threats should be protected against - based on threat levels
Plaintext
Some network design objectives
8. 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.
Wardriving
Log monitoring work?
The TCP/IP model
Race conditions
9. Bits of code embedded in programs to quickly gain access at a later time
Total cell size for asynchronous transfer mode (ATM)
Trap door
Deep packet inspection
TFTP
10. 53 bytes - 48 bytes for data - 5 bytes for the header
What ways should the crypto key be protected?
Total cell size for asynchronous transfer mode (ATM)
The three goals of security
Network stumbler
11. ATM supports two types of virtual circuits: permanent virtual circuits and switches virtual circuit - PVC is set up in advance - usually manually - SVC is established automatically through a signaling protocol and can be created on the fly - establis
Kismet
IDS data normalization
the application layer
Types of ATM virtual circuits
12. A system resource that has no legitimate purpose or reason for someone to connect to it - its purpose is to draw in attackers to understand how they break into a system
Permutation
Honeypot
NAC
ATM work
13. Take the file and try to compress it. If it compresses - it means there is a pattern and it's more easily crackable
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on line
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14. Migrate to WPA2 - use strong authentication like PEAP or TTLS - audit network installations - require mutual auth between client and infrastructure equipment
The different cable categories
Rootkit
The threat vector analysis in defense in depth
Best way to protect wireless networks
15. Spread as an office attachment with executable code programmed using macro facility - targets are data files - visual basic editor and other macro languages - payload executes when the code is launched
To close a TCP session
Macro virus
Browsing attack
Some Pen Test techniques
16. 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 types of malicious code
Denial of service
Alteration of code
Social engineering
17. 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.
Total cell size for asynchronous transfer mode (ATM)
Smurf attack
SYN flood
When talking about protocols and referencing layers - what stack is used
18. Network traffic to the host - typically listens on all interface - uses signature analysis to identify events of interest
The difference in stacks
Some malware propagation techniques
The protected enclave to defense in depth
HIDS monitor
19. 128.0.0.0 through 191.255.255.255 - with a subnet mask of 255.255.0.0
LAN
Some other UDP based protocols
What range is a class B network?
SYN flood
20. Outside attack from network - Outsider attack from telephone - Insider attack from local network - insider attack from local system - attack from malicious code
Brute force
A netcat listener
The goals of cryptography
The five threat vectors
21. TCP/IP - the IP protoco - The core routing protocol of the internet - - deals with transmission of packets between end points - defines the addressing scheme for the internet
Rotation?
Proxy or application gateway
When implementing protocols - what stack should be used?
PAN
22. Unified data carrying service - replacing from replay and ATM
The conficker worm
Multi protocol label switching
IDS signature analysis work
Boot record infector
23. packet filter firewalls rely on TCP flags to determine connection state. Attacker can send ACK packets only to bypass firewall.
The physical layer stack
No State Inspection ACK flag set
IDS data normalization
Hubs
24. Free linux WLAN analysis tool - completely passive - cannot be detected - supports advanced GPS integration and mapping features - used for wardriving - WLAN vulerability assessment
Some other UDP based protocols
Some firewall benefits
Some malware propagation techniques
Kismet
25. Replicates traffic onto all ports - no traffic monitoring - cannot control which ports should or shouldn't receive frames - forming a large collision domain.
Hubs
Boot record infector
Some reasons to use UDP over TCP
Stateful firewall
26. Confidentiality - integrity - availability
The three goals of security
Race conditions
COM/Script program infector
Port scan
27. A TCP version of ping - sends custom TCP packets to a host and listens for replies - enables port scanning and spoofing simultaneously
The threat vector analysis in defense in depth
Arbitrary substitution
Hping
The conficker worm
28. Hash Authentication - asymmetric - non repudiation - digital signature - hash + asymmetry
Alteration of code
Nmap
Some firewall challenges
Integrity of Data
29. Uses inclusive or exclusive lists - inclusive analysis utilizes a list of keywords - exclusive analysis utilizes a list of events that can be ignored
Some types of malicious code
Group
Log monitoring work?
Smurf attack
30. Work groups that require additional protection are segmented from the rest of the internal organization - restricting access to critical segments - system of VPNs - internal firewall - VLANs and ACLs
The protected enclave to defense in depth
When talking about protocols and referencing layers - what stack is used
Integrity of Data
Group
31. Malware - insider threat - natural disaster - terrorism - pandemic
Multi protocol label switching
Ack Piggybacking
Snort
What primary threats should be protected against
32. Provides insight into the tactics - motives - and attacker tools
Bridge
To establish a TCP session
Some other UDP based protocols
Some honeypot advantages
33. Not a replacement for firewalls - hardening - strong policies - or other DiD methods - low maintenance - inexpensive
What primary threats should be protected against
Alteration of code
IDS not
Remote maintenance
34. Small program triggered by an event that provides an action. E.g. scheduled file removal if countdown isn't reset - ie: employee was fired
Total cell size for asynchronous transfer mode (ATM)
Logic bomb
NIDS challenges
The data link layer
35. When someone has compromised the integrity of data or a program. Allows attackers to create backdoors.
Worms
Group
Alteration of code
Bridge
36. True positive - false positive - true negative - false negative
Some Pen Test techniques
The four types of events reported by IDS
The different cable categories
Risk
37. The Practice of sending an ACK inside another packet going to the same destination
NIDS challenges
The TCP/IP model
Ack Piggybacking
Internet
38. Publish separate mail - web - and DNS servers to the internet - provide appropriate access from internal network to internet - protect internal from external attack - provide defense in depth - protect all aspects of the system
What categories do vulnerabilities fall into?
Port scan
Some network design objectives
EXE program infector
39. keeps the same letters - but changes the position within the text - easy to break - can be combined with substitution
When talking about protocols and referencing layers - what stack is used
When implementing protocols - what stack should be used?
Permutation
Ciphertext
40. An agreement on how different computer will work - protocols define the format and order of messages and what to do upon receipt of the messages - basically the rules of the network
Some honeypot advantages
Nmap
OS Command Injection defenses
A network protocol
41. CIDR is a shorthand way of specifying which portion of the address is the network - and which portion is the host
Trap door
CIDR
The five threat vectors
A netmask
42. Threat requires a vector to cross the vulnerability - stop the ability of the threat to use the vector
Asynchronous Transfer Mode
The threat vector analysis in defense in depth
Rotation?
Nmap scanning techniques
43. It handles the establishment and maintenance of connections between systems
The session layer
A network protocol
Switches
Some NIDS topology limitations
44. Resource exhaustion like DDoS or fork attack - unexpected input value the machine does not know how to process
Some malware capabilities
Some ways to bypass firewall protections
Some NIDS topology limitations
Denial of service
45. An appliance that controls access between public internet and a companies private network - or between a PC NIC and the rest of the PC.
The four types of events reported by IDS
LAN
Firewall
Defense in depth
46. Netmasks or subnets provide a method for identifying what portion of an address is the network - and what portion is the host
A netmask
Deep packet inspection
The network layer
The threat vector analysis in defense in depth
47. It makes sure the data sent from one side to the other is in a format useful to the other side
DDoS attack
Overview of TCP
Worms
The presentation layer
48. 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
The conficker worm
Program infector
What ways should the crypto key be protected?
Some types of malicious code
49. The practice of sending an ACK inside another packet going to the same destination
Some common TCP ports
ACK piggybacking
Browsing attack
Some malware propagation techniques
50. Infects the EXE and make them operate slightly different - when infected - exe header sizes are altered to point to the appended viral code
EXE program infector
The CIA triad
File Integrity checking work
Some firewall benefits