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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. Handles the network address scheme and connectivity of multiple network segments. It handles communication.
IDS not
The five threat vectors
Some malware capabilities
The network layer
2. Confidentiality - symmetric encryption
What range is a class A network?
The goals of cryptography
What categories do vulnerabilities fall into?
Hping
3. 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
The difference in stacks
IDS data normalization
A netmask
When implementing protocols - what stack should be used?
4. Multiple levels of protection must be deployed - an exercie in detection - measures must be across a wide range of controls - compromises happen when people leave sites - risk - CIA triad - strategies
Defense in depth
No State Inspection ACK flag set
Switches
What's a VLAN
5. Four layers - Network Layer - Internet Layer - Transport Layer - Application layer
The five threat vectors
The TCP/IP model
A netmask
Bridge
6. Allows admins to remotely access a system for troubleshooting. - E.g VNC - GoToMyPc - PC Anywhere
Remote maintenance
SQL Slammer Worm
Some honeypot advantages
The OSI model
7. 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 implementing protocols - what stack should be used?
Kismet
Switches
8. Connects the physical part of the network (cables) with the abstract (packets and datastreams)
The data link layer
MAN
IDS not
The conficker worm
9. Known - unknown - zero day
What categories do vulnerabilities fall into?
The session layer
Overview of TCP
The four types of events reported by IDS
10. Threat requires a vector to cross the vulnerability - stop the ability of the threat to use the vector
The threat vector analysis in defense in depth
Multi protocol label switching
Integrity of Data
A netcat listener
11. Uses inclusive or exclusive lists - inclusive analysis utilizes a list of keywords - exclusive analysis utilizes a list of events that can be ignored
Log monitoring work?
the application layer
Anomaly analysis work
Some Pen Test techniques
12. free windows based wireless scanner for 802.1b - detects access point settings - supports GSP integration - identifies networks as encrypted or unencrypted
Log monitoring work?
The network layer
Network stumbler
Some types of malicious code
13. Netmasks or subnets provide a method for identifying what portion of an address is the network - and what portion is the host
IDS not
Boot record infector
A netmask
What range is a class B network?
14. A sends a SYN packet to B - B acknowledges with a SYN/ACK - A replies with ACK
The Uniform Protection to defense in depth
When setting up a virtual circuit
Ciphertext
3-way handshake
15. Protects internal/external systems from attack - filters communications based on content - performs NAT - encrypts communications for VPN - logging to aid in intrusion detection
Smurf attack
Some firewall benefits
Router
A netcat listener
16. Trivial File Transfer Protocol - method to transfer files from one device to another without needing authentication
Shallow packet inspection
MAN
TFTP
What categories do vulnerabilities fall into?
17. Considered to be a perimeter device
NIDS advantages
A netmask
Router
SQL Slammer Worm
18. Physical layer - Data link layer - Network Layer - Transport Layer - Session Layer - Presentation Layer - Application Layer
The TCP/IP model
HIDS monitor
The OSI model
A netmask
19. It allows the transport layer to detect when the UDP headers or the payload have been modified in transit
Checksum in UDP
Defense in depth
Total cell size for asynchronous transfer mode (ATM)
War Dialing
20. Full open - half open (stealth scan) - UDP - Ping
Worms
Remote maintenance
What range is a class B network?
Nmap scanning techniques
21. Maintains complete TCP connection state and sequencing through 2 connections - address translation built-in by virtue of second connection above
Proxy or application gateway
The network layer
The data link layer
HIDS monitor
22. Switches networks make it difficult to monitor traffic in promiscuous mode - topology must be able to support traffic aggregation for monitoring
EXE program infector
Some NIDS topology limitations
The network layer
OS Command Injection defenses
23. Not frequently seen on LANs because of expense - because of its traffic predictability and high bandwidth support - it's good for video streaming - encapsulates common protocols - uses virtual path identifiers to create end to end connectivity - has
Hubs
Asynchronous Transfer Mode
Address resolution protocol
Smurf attack
24. low interaction production honeypot - network daemon that can simulate other hosts - each host can appear as a different OS
Honeyd
What categories do vulnerabilities fall into?
What's a VLAN
Rootkit
25. FIN 130 - ACK 131 - FIN 570 - ACK 571
IDS
What range is a class B network?
What categories do vulnerabilities fall into?
To close a TCP session
26. Good for multimedia - can use small single packets - multicasting is required - speed is the highest priority
Some reasons to use UDP over TCP
Some FTP dangers
IDS
Port scan
27. 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
The four types of events reported by IDS
Trojan horse
MAN
28. 192.0.0.0 through 223.255.255.255 - subnet mask of 255.255.255.0
Address resolution protocol
What range is a class C network?
Race conditions
What categories do vulnerabilities fall into?
29. open source tool for monitoring - can be used as a NIDS - has quick updates and flexibility for custom rules
Snort
Some firewall benefits
Proxy or application gateway
Stateless packet filter
30. It makes sure the data sent from one side to the other is in a format useful to the other side
Some firewall benefits
Brute force
The presentation layer
The goals of cryptography
31. 1.0.0.0 through 127.255.255.255 - subnet mask starts at 255.0.0.0
Stateless packet filter
What range is a class A network?
EXE program infector
Switches
32. 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
When setting up a virtual circuit
Brute force
What ways should the crypto key be protected?
33. Confidentiality - integrity - availability
Firewall
Group
Logic bomb
The three goals of security
34. 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
The Information Centric defense in depth
A netmask
Firewall
Honeypot
35. True positive - false positive - true negative - false negative
The four types of events reported by IDS
Macro virus
Switches
What primary threats should be protected against
36. Not a replacement for firewalls - hardening - strong policies - or other DiD methods - low maintenance - inexpensive
Race conditions
When talking about protocols and referencing layers - what stack is used
IDS not
Honeyd
37. When someone has compromised the integrity of data or a program. Allows attackers to create backdoors.
Internet
Asynchronous Transfer Mode
Alteration of code
Some other UDP based protocols
38. Bits of code embedded in programs to quickly gain access at a later time
Types of ATM virtual circuits
What range is a class B network?
IDS
Trap door
39. Most common approach - firewall - VPN - intrusion detection - AV - disk encryption - all parts of the organization receive equal protection - particularly vulnerable to malicious inside attacks
Group
Firewall
To close a TCP session
The Uniform Protection to defense in depth
40. Provides insight into traffic on the network - help detect problems with network operations - provides auditing for other security measures
Some firewall challenges
The TCP/IP model
Permutation
NIDS advantages
41. Wide Area Network - Larger than MAN or LAN - uses public network - phone lines - and leased lines to tie LAN and MAN over a dispersed area
Logic bomb
ACK piggybacking
WAN
Checksum in UDP
42. Relies on executable code insertion and user interaction to spread
The four basic approaches to defense in depth
Parasitic malware
Some malware propagation techniques
EXE program infector
43. Confidentiality - integrity - availability
Ack Piggybacking
SQL Slammer Worm
The CIA triad
Stateful firewall
44. Trying to ID modems in a telephone exchange that may be susceptible to compromise
IDS
War Dialing
Rootkit
NIDS challenges
45. Slow - requires stateful data tracking - inspects all fields - including variable-length fields
Smurf attack
Some Pen Test techniques
Deep packet inspection
What threats should be protected against - based on threat levels
46. Isolates systems when they initially connect to the network - allows systems to be scanned and checked prior to being put on a trusted segment
Datagram length of a UDP packet
Integrity of Data
Router
NAC
47. An appliance that controls access between public internet and a companies private network - or between a PC NIC and the rest of the PC.
Hping
Firewall
HIDS monitor
Hubs
48. Connects many WANs - MANs - and LANs - provided via ISP
Router
Internet
Permutation
Alteration of code
49. Syn - Syn/Ack - Ack
The TCP/IP model
the application layer
The five threat vectors
To establish a TCP session
50. 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.
Bridge
Trap door
Race conditions
Parasitic malware