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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. risk = threat x vulnerability - impossible to eliminate - security is an exercise in loss reduction
Some FTP dangers
Risk
Group
Best way to protect wireless networks
2. Weakness in a system - inherent in a complex system - majority are due to poor coding - gateway by which threats are manifested
Some external threat concerns
Honeyd
Vulnerabilities
IDS signature analysis work
3. 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
Types of viruses
A blind FTP
PAN
4. Confidentiality - integrity - availability
NIDS advantages
The CIA triad
Some types of malicious code
A network protocol
5. Syn - Syn/Ack - Ack
To establish a TCP session
Checksum in UDP
The threat vector analysis in defense in depth
IDS data normalization
6. Isolates systems when they initially connect to the network - allows systems to be scanned and checked prior to being put on a trusted segment
Rootkit
NAC
Nmap
Port scan
7. open source tool for monitoring - can be used as a NIDS - has quick updates and flexibility for custom rules
Snort
Bridge
Browsing attack
NIDS challenges
8. Handles transmissions across the physical media like wires - fiber - etc
Worms
When implementing protocols - what stack should be used?
The Information Centric defense in depth
The physical layer stack
9. Four layers - Network Layer - Internet Layer - Transport Layer - Application layer
Vulnerabilities
When talking about protocols and referencing layers - what stack is used
The TCP/IP model
Nmap scanning techniques
10. destruction of data - leaking confidential information - providing backdoor access
Address resolution protocol
Proxy or application gateway
Some malware capabilities
Trap door
11. Netmasks or subnets provide a method for identifying what portion of an address is the network - and what portion is the host
A netmask
What threats should be protected against - based on threat levels
War Dialing
Some network design objectives
12. Protected at rest - protected in transit - secure the key
Some firewall benefits
The CIA triad
What ways should the crypto key be protected?
Some firewall challenges
13. Relies on executable code insertion and user interaction to spread
IDS not
Wardriving
What categories do vulnerabilities fall into?
Parasitic malware
14. Uses a 1 to 1 substitution of arbitrary numbers - given a one character mapping - you cannot determine the key
The five threat vectors
Arbitrary substitution
Asynchronous Transfer Mode
The four basic approaches to defense in depth
15. Good for multimedia - can use small single packets - multicasting is required - speed is the highest priority
TFTP
Brute force
The OSI Protocol Stack
Some reasons to use UDP over TCP
16. A cracking tool inserted into the OS that allows the attacker to do as they please.
Arbitrary substitution
HIDS monitor
Hubs
Rootkit
17. 8 bytes per packet - UDP SRC port - UDP DST Ports - UDP length - UDP Checksum
UDP packet headers
Buffer overflow
The four types of events reported by IDS
Rotation?
18. flags anomalous conditions in traffic on the network - requires understanding on what is normal - bases good traffic as a baseline
Some external threat concerns
Anomaly analysis work
The TCP/IP model
IDS data normalization
19. Identify critical assets and provide layered protection - data is accessed by applications - applications reside on hosts - hosts operate on networks
The Information Centric defense in depth
Some FTP dangers
What categories do vulnerabilities fall into?
Race conditions
20. Provides insight into the tactics - motives - and attacker tools
Some honeypot advantages
Wardriving
Browsing attack
When setting up a virtual circuit
21. Provides insight into traffic on the network - help detect problems with network operations - provides auditing for other security measures
NIDS advantages
To close a TCP session
Multi protocol label switching
Some external threat concerns
22. The Practice of sending an ACK inside another packet going to the same destination
Ack Piggybacking
The physical layer stack
Best way to protect wireless networks
Buffer overflow
23. Malware - insider threat - natural disaster - terrorism - pandemic
Vulnerabilities
What primary threats should be protected against
The different cable categories
Integrity of Data
24. Strips OS commands and characters from input - avoid making system calls from within the app * especially based on user input
OS Command Injection defenses
COM/Script program infector
Some common TCP ports
The five threat vectors
25. An attacker recruits zombie systems ahead of time to simultaneously release a flood of traffic at a specific target.
When setting up a virtual circuit
Some ways to bypass firewall protections
DDoS attack
When talking about protocols and referencing layers - what stack is used
26. 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.
Buffer overflow
Nmap
No State Inspection ACK flag set
The protected enclave to defense in depth
27. It allows the transport layer to detect when the UDP headers or the payload have been modified in transit
The Uniform Protection to defense in depth
Checksum in UDP
Some NIDS topology limitations
Ack Piggybacking
28. A TCP version of ping - sends custom TCP packets to a host and listens for replies - enables port scanning and spoofing simultaneously
WAN
Hping
Permutation
Remote maintenance
29. free windows based wireless scanner for 802.1b - detects access point settings - supports GSP integration - identifies networks as encrypted or unencrypted
The five threat vectors
Network stumbler
Denial of service
Social engineering
30. War dialing - war driving - Sniffing - eavesdropping - dumpster diving - social engineering
The TCP/IP model
Rootkit
NAC
Some Pen Test techniques
31. An attempt to gain access by bombarding it with guesses until the password is found.
Brute force
Boot record infector
Some external threat concerns
SYN flood
32. 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
Some common UDP ports
Some malware propagation techniques
SYN flood
33. Stateful firewalls maintain state of traffic flows
Stateful firewall
Browsing attack
The different cable categories
What categories do vulnerabilities fall into?
34. logic bomb - trojan horse - trap door
The threat vector analysis in defense in depth
A network protocol
Some types of malicious code
Browsing attack
35. Uniform protection - protected enclaves - information centric - threat vector analysis
Some honeypot advantages
Wardriving
Risk
The four basic approaches to defense in depth
36. One is for talking - one is for implementing
The difference in stacks
Stateful firewall
Wardriving
Deep packet inspection
37. A spoofed IP is used to send a SYN to the target. It then responds with a SYN/ACK that never receives the final ACK to complete the handshake. This occupies a portion of the target's pre-established buffer for TCP and can prevent the target from acce
SYN flood
Anomaly analysis work
NIDS challenges
Integrity of Data
38. Unified data carrying service - replacing from replay and ATM
The TCP/IP model
Honeypot
Multi protocol label switching
Honeyd
39. Connects many WANs - MANs - and LANs - provided via ISP
File integrity checking work
Internet
NAC
When implementing protocols - what stack should be used?
40. Allows admins to remotely access a system for troubleshooting. - E.g VNC - GoToMyPc - PC Anywhere
Remote maintenance
HIDS monitor
The physical layer stack
Some common TCP ports
41. True positive - false positive - true negative - false negative
Risk
IDS signature analysis work
Honeyd
The four types of events reported by IDS
42. Hash Authentication - asymmetric - non repudiation - digital signature - hash + asymmetry
Some common UDP ports
ACK piggybacking
The three goals of security
Integrity of Data
43. Physical layer - Data link layer - Network Layer - Transport Layer - Session Layer - Presentation Layer - Application Layer
CIDR
The OSI model
Ack Piggybacking
Permutation
44. 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
War Dialing
Risk
Arbitrary substitution
45. 192.0.0.0 through 223.255.255.255 - subnet mask of 255.255.255.0
Switches
Ciphertext
What range is a class C network?
Boot record infector
46. fast - with little fidelity - examines header information and limited payload data
IDS not
Multi protocol label switching
IDS
Shallow packet inspection
47. keeps the same letters - but changes the position within the text - easy to break - can be combined with substitution
Alteration of code
Log monitoring work?
Permutation
Browsing attack
48. Going around with equipment to detect wireless networks
Group
Parasitic malware
Wardriving
Best way to protect wireless networks
49. NTP - BootP/DHCP - NFS file systems - SNMP - TFTP
Some other UDP based protocols
Social engineering
The three goals of security
UDP packet headers
50. Confidentiality - integrity - availability
Vulnerabilities
What's a VLAN
What range is a class A network?
The three goals of security