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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. 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
The conficker worm
Macro virus
CIDR
Rotation?
2. When someone has compromised the integrity of data or a program. Allows attackers to create backdoors.
What threats should be protected against - based on threat levels
NAC
Some ways to bypass firewall protections
Alteration of code
3. Infects MBR - no network spreading potential
Boot record infector
The difference in stacks
The OSI model
What range is a class C network?
4. Good for multimedia - can use small single packets - multicasting is required - speed is the highest priority
ATM work
Some reasons to use UDP over TCP
Some other UDP based protocols
Some reasons to use TCP over UDP
5. Trying to ID modems in a telephone exchange that may be susceptible to compromise
Router
Ack Piggybacking
War Dialing
Asynchronous Transfer Mode
6. It makes sure the data sent from one side to the other is in a format useful to the other side
No State Inspection ACK flag set
Parasitic malware
Browsing attack
The presentation layer
7. size is whatever the length of the UDP portion of the packet. Could be as large as 65 -535
Datagram length of a UDP packet
Risk
Deep packet inspection
Worms
8. The Practice of sending an ACK inside another packet going to the same destination
Ack Piggybacking
Defense in depth
Risk
The goals of cryptography
9. 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
IDS data normalization
When setting up a virtual circuit
Permutation
The protected enclave to defense in depth
10. Outside attack from network - Outsider attack from telephone - Insider attack from local network - insider attack from local system - attack from malicious code
The TCP/IP model
Some malware capabilities
To close a TCP session
The five threat vectors
11. Relies on executable code insertion and user interaction to spread
Some external threat concerns
Ack Piggybacking
Program infector
Parasitic malware
12. Handles the network address scheme and connectivity of multiple network segments. It handles communication.
Rootkit
The network layer
Proxy or application gateway
What range is a class B network?
13. 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.
IDS data normalization
Honeyd
Some malware propagation techniques
Smurf attack
14. Intellectual property - business goals - validated data - historical
LAN
What threats should be protected against - based on threat levels
What categories do vulnerabilities fall into?
Stateless packet filter
15. 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
Address Resolution Protocol (ARP)
Arbitrary substitution
The threat vector analysis in defense in depth
the application layer
16. Confidentiality - symmetric encryption
The session layer
Arbitrary substitution
The goals of cryptography
Alteration of code
17. 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
Some Pen Test techniques
Network stumbler
Honeypot
COM/Script program infector
18. 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
IDS
NIDS challenges
The network layer
The conficker worm
19. 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
MAN
Checksum in UDP
Some types of malicious code
20. Means multiple iterations won't matter. If you encrypt with a key - then re-encrypt - it's the same as using one key.
A netmask
The Uniform Protection to defense in depth
Rootkit
Group
21. Unified data carrying service - replacing from replay and ATM
PAN
Ciphertext
The transport layer
Multi protocol label switching
22. Allows segmentation of a switch into different networks - regardless of where a system is plugged in - creates separate networks through software not hardware
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23. Program disguised as something helpful - only to perform actions the user did not intend. Opening ports - installing other programs - etc.
Trojan horse
Some network design objectives
Some disadvantages of honeypots
Overview of TCP
24. War dialing - war driving - Sniffing - eavesdropping - dumpster diving - social engineering
Some Pen Test techniques
Risk
The session layer
War Dialing
25. Trivial File Transfer Protocol - method to transfer files from one device to another without needing authentication
TFTP
Brute force
Total cell size for asynchronous transfer mode (ATM)
Some other UDP based protocols
26. removable media - email attachments - web browsing - social networking - network vulnerabilities - IM applications - p2p
Some malware propagation techniques
To establish a TCP session
Bus Topology
The conficker worm
27. Strips OS commands and characters from input - avoid making system calls from within the app * especially based on user input
Some disadvantages of honeypots
OS Command Injection defenses
What range is a class C network?
What's a VLAN
28. 1. physical 2. data 3. network 4. transport 5. session 6. presentation 7. application
The OSI Protocol Stack
A blind FTP
the application layer
Boot record infector
29. Infects the EXE and make them operate slightly different - when infected - exe header sizes are altered to point to the appended viral code
IDS data normalization
Some common TCP ports
To establish a TCP session
EXE program infector
30. Combines the functionality of a hub and bride into a single device - keeps track of MACs attached to each port
Some disadvantages of honeypots
File Integrity checking work
Switches
Some common TCP ports
31. 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
Honeyd
Snort
Remote maintenance
IDS signature analysis work
32. An FTP that allows downloads only if the user knows the exact name of the file they're looking for
Program infector
File integrity checking work
A blind FTP
Parasitic malware
33. 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
Types of ATM virtual circuits
File Integrity checking work
Race conditions
What's a VLAN
34. Application layer attacks may get through - dialup - VPN - extranet connections may bypass firewalls
Honeypot
What ways should the crypto key be protected?
Network stumbler
Some firewall challenges
35. Network scanner.
Honeyd
Nmap
What range is a class C network?
Boot record infector
36. True positive - false positive - true negative - false negative
The four types of events reported by IDS
Stateful firewall
Best way to protect wireless networks
Address resolution protocol
37. Malware - insider threat - natural disaster - terrorism - pandemic
ACK piggybacking
Plaintext
What primary threats should be protected against
The data link layer
38. Maintains complete TCP connection state and sequencing through 2 connections - address translation built-in by virtue of second connection above
Buffer overflow
Proxy or application gateway
To establish a TCP session
Some ways to bypass firewall protections
39. 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
Some types of malicious code
The goals of cryptography
The physical layer stack
40. Free linux WLAN analysis tool - completely passive - cannot be detected - supports advanced GPS integration and mapping features - used for wardriving - WLAN vulerability assessment
Worms
Honeypot
Kismet
Program infector
41. 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
Some malware capabilities
The three goals of security
Some network design objectives
Vulnerabilities
42. A TCP version of ping - sends custom TCP packets to a host and listens for replies - enables port scanning and spoofing simultaneously
Hping
File Integrity checking work
The four types of events reported by IDS
Types of ATM virtual circuits
43. Full open - half open (stealth scan) - UDP - Ping
Types of viruses
Nmap scanning techniques
Datagram length of a UDP packet
Integrity of Data
44. 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 its corresponding IP address
Address resolution protocol
Shallow packet inspection
Switches
What ways should the crypto key be protected?
45. Resource exhaustion like DDoS or fork attack - unexpected input value the machine does not know how to process
Denial of service
Rotation?
Stateless packet filter
SQL Slammer Worm
46. Four layers - Network Layer - Internet Layer - Transport Layer - Application layer
NIDS advantages
The TCP/IP model
Some FTP dangers
Trojan horse
47. low interaction production honeypot - network daemon that can simulate other hosts - each host can appear as a different OS
Stateless packet filter
Honeyd
The threat vector analysis in defense in depth
The Uniform Protection to defense in depth
48. 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
When talking about protocols and referencing layers - what stack is used
Some disadvantages of honeypots
The three goals of security
49. Provides insight into the tactics - motives - and attacker tools
Hubs
The OSI model
Some honeypot advantages
Rootkit
50. flags anomalous conditions in traffic on the network - requires understanding on what is normal - bases good traffic as a baseline
Anomaly analysis work
The difference in stacks
Network stumbler
Some types of malicious code