SUBJECTS
|
BROWSE
|
CAREER CENTER
|
POPULAR
|
JOIN
|
LOGIN
Business Skills
|
Soft Skills
|
Basic Literacy
|
Certifications
About
|
Help
|
Privacy
|
Terms
|
Email
Search
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. 128.0.0.0 through 191.255.255.255 - with a subnet mask of 255.255.0.0
Macro virus
Asynchronous Transfer Mode
Smurf attack
What range is a class B network?
2. Used by IDS for a baseline before analysis - attackers will try to de-normalize traffic to evade detection - IDS will normalize data for understood protocols
IDS data normalization
DDoS attack
ATM work
Honeypot
3. Uses flow control to handle network congestion - can send larger amounts of data per packet - has guaranteed delivery of transmitted data - better protection against spoofing - reduces need for error checking at higher OSI layers
Log monitoring work?
Some reasons to use TCP over UDP
NIDS challenges
Types of viruses
4. The practice of sending an ACK inside another packet going to the same destination
Some reasons to use UDP over TCP
WAN
Best way to protect wireless networks
ACK piggybacking
5. 192.0.0.0 through 223.255.255.255 - subnet mask of 255.255.255.0
Types of viruses
IDS not
Checksum in UDP
What range is a class C network?
6. Means multiple iterations won't matter. If you encrypt with a key - then re-encrypt - it's the same as using one key.
Some network design objectives
Group
Trojan horse
A blind FTP
7. Switches along the path can be requested to allocate the desired amount of bandwidth. If the circuit has the required bandwidth - the circuit is set up.
Group
What range is a class B network?
Buffer overflow
When setting up a virtual circuit
8. Handles the network address scheme and connectivity of multiple network segments. It handles communication.
Worms
The network layer
A netmask
Multi protocol label switching
9. Not a replacement for firewalls - hardening - strong policies - or other DiD methods - low maintenance - inexpensive
No State Inspection ACK flag set
Parasitic malware
Nmap
IDS not
10. Provides insight into the tactics - motives - and attacker tools
Some honeypot advantages
When setting up a virtual circuit
Permutation
What threats should be protected against - based on threat levels
11. 1 and 2 - Voice/Low speed data - 3 - Voice/Data 10Mb - 4 - Voice/Data 16Mb - 5 - 5e - Voice/Data 100Mb to 1Gb - 6 - Standard for gigabit
What threats should be protected against - based on threat levels
Program infector
Types of viruses
The different cable categories
12. Allows admins to remotely access a system for troubleshooting. - E.g VNC - GoToMyPc - PC Anywhere
Snort
Remote maintenance
Some disadvantages of honeypots
The conficker worm
13. Netmasks or subnets provide a method for identifying what portion of an address is the network - and what portion is the host
Trap door
The physical layer stack
Some NIDS topology limitations
A netmask
14. low interaction production honeypot - network daemon that can simulate other hosts - each host can appear as a different OS
The three goals of security
The difference in stacks
Some FTP dangers
Honeyd
15. Personal area network - phone tethering - bluetooth - etc
Switches
Some common TCP ports
Multi protocol label switching
PAN
16. A cracking tool inserted into the OS that allows the attacker to do as they please.
The CIA triad
Bridge
Rootkit
Some firewall challenges
17. Handles transmissions across the physical media like wires - fiber - etc
Program infector
When talking about protocols and referencing layers - what stack is used
The physical layer stack
Ciphertext
18. 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
Macro virus
What's a VLAN
The difference in stacks
Some reasons to use UDP over TCP
19. Strips OS commands and characters from input - avoid making system calls from within the app * especially based on user input
OS Command Injection defenses
When setting up a virtual circuit
Vulnerabilities
IDS data normalization
20. Uses a 1 to 1 substitution of arbitrary numbers - given a one character mapping - you cannot determine the key
Deep packet inspection
The four basic approaches to defense in depth
Address Resolution Protocol (ARP)
Arbitrary substitution
21. UDP based infection - infected through vulnerability in SQL server - caused DoS on saturated networks
Alteration of code
SQL Slammer Worm
Boot record infector
Smurf attack
22. 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.
Some other UDP based protocols
Some reasons to use UDP over TCP
Race conditions
Types of ATM virtual circuits
23. Used for connecting two physical segments of a network - segments traffic - breaks up collision domains - not generally used because of switches
Smurf attack
Some network design objectives
Total cell size for asynchronous transfer mode (ATM)
Bridge
24. OSI
Some common UDP ports
When talking about protocols and referencing layers - what stack is used
Denial of service
Macro virus
25. 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
NIDS challenges
IDS data normalization
Integrity of Data
When implementing protocols - what stack should be used?
26. Resource exhaustion like DDoS or fork attack - unexpected input value the machine does not know how to process
Denial of service
Stateless packet filter
File integrity checking work
To establish a TCP session
27. Known - unknown - zero day
The transport layer
LAN
What categories do vulnerabilities fall into?
Address resolution protocol
28. Bits of code embedded in programs to quickly gain access at a later time
Trap door
Some common TCP ports
Logic bomb
Some Pen Test techniques
29. Unified data carrying service - replacing from replay and ATM
Address resolution protocol
Multi protocol label switching
MAN
Some malware propagation techniques
30. 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
When implementing protocols - what stack should be used?
ACK piggybacking
Hubs
Rootkit
31. 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
HIDS monitor
When talking about protocols and referencing layers - what stack is used
32. packet filter firewalls rely on TCP flags to determine connection state. Attacker can send ACK packets only to bypass firewall.
The four basic approaches to defense in depth
No State Inspection ACK flag set
The presentation layer
Some FTP dangers
33. keeps the same letters - but changes the position within the text - easy to break - can be combined with substitution
Permutation
Deep packet inspection
The different cable categories
Bus Topology
34. FIN 130 - ACK 131 - FIN 570 - ACK 571
To close a TCP session
The four basic approaches to defense in depth
Arbitrary substitution
The difference in stacks
35. size is whatever the length of the UDP portion of the packet. Could be as large as 65 -535
Nmap
Arbitrary substitution
Nmap scanning techniques
Datagram length of a UDP packet
36. A sends a SYN packet to B - B acknowledges with a SYN/ACK - A replies with ACK
The threat vector analysis in defense in depth
3-way handshake
When implementing protocols - what stack should be used?
Program infector
37. Very simplistic. All systems are attached to the same cable segment. Rarely used because they're unreliable - low fault tolerance - poor traffic isolation - with limited scalability
WAN
Integrity of Data
Bus Topology
COM/Script program infector
38. Intrusion detection system - it reports attacks against monitored systems/networks
Network stumbler
IDS
What range is a class C network?
Browsing attack
39. When someone has compromised the integrity of data or a program. Allows attackers to create backdoors.
The four types of events reported by IDS
Alteration of code
The OSI Protocol Stack
The four basic approaches to defense in depth
40. open source tool for monitoring - can be used as a NIDS - has quick updates and flexibility for custom rules
Nmap scanning techniques
Some disadvantages of honeypots
Snort
Trap door
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
MAN
NAC
IDS
Stateful firewall
42. Four layers - Network Layer - Internet Layer - Transport Layer - Application layer
The TCP/IP model
The goals of cryptography
Some common TCP ports
Stateful firewall
43. Protocol for mapping an IP address to a physical machine address that is recognized on the local network - A table - usually called the ARP cache - is used to maintain a correlation between each MAC and it's corresponding IP address
Hping
Address Resolution Protocol (ARP)
Brute force
Ack Piggybacking
44. Confidentiality - integrity - availability
Router
Some other UDP based protocols
The three goals of security
Buffer overflow
45. removable media - email attachments - web browsing - social networking - network vulnerabilities - IM applications - p2p
What range is a class B network?
The CIA triad
Shallow packet inspection
Some malware propagation techniques
46. Going around with equipment to detect wireless networks
A netcat listener
What primary threats should be protected against
Wardriving
Some firewall benefits
47. fast - with little fidelity - examines header information and limited payload data
Shallow packet inspection
A network protocol
The Information Centric defense in depth
Hping
48. The Practice of sending an ACK inside another packet going to the same destination
Ack Piggybacking
Some NIDS topology limitations
PAN
A network protocol
49. Network traffic to the host - typically listens on all interface - uses signature analysis to identify events of interest
Arbitrary substitution
The data link layer
Buffer overflow
HIDS monitor
50. Combines the functionality of a hub and bride into a single device - keeps track of MACs attached to each port
UDP packet headers
Shallow packet inspection
The Information Centric defense in depth
Switches