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GIAC
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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. Personal area network - phone tethering - bluetooth - etc
Parasitic malware
Proxy or application gateway
PAN
Remote maintenance
2. An appliance that controls access between public internet and a companies private network - or between a PC NIC and the rest of the PC.
Some firewall challenges
Firewall
COM/Script program infector
The protected enclave to defense in depth
3. 1.0.0.0 through 127.255.255.255 - subnet mask starts at 255.0.0.0
The OSI Protocol Stack
Nmap scanning techniques
Some other UDP based protocols
What range is a class A network?
4. 8 bytes per packet - UDP SRC port - UDP DST Ports - UDP length - UDP Checksum
Integrity of Data
Macro virus
UDP packet headers
Datagram length of a UDP packet
5. low interaction production honeypot - network daemon that can simulate other hosts - each host can appear as a different OS
Datagram length of a UDP packet
Hubs
EXE program infector
Honeyd
6. A sends a SYN packet to B - B acknowledges with a SYN/ACK - A replies with ACK
Rootkit
Best way to protect wireless networks
What threats should be protected against - based on threat levels
3-way handshake
7. One is for talking - one is for implementing
Some malware capabilities
WAN
MAN
The difference in stacks
8. 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
IDS signature analysis work
The TCP/IP model
Address resolution protocol
Boot record infector
9. 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
Remote maintenance
IDS
Some reasons to use TCP over UDP
Nmap scanning techniques
10. Protected at rest - protected in transit - secure the key
IDS signature analysis work
Types of viruses
What ways should the crypto key be protected?
Datagram length of a UDP packet
11. 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
Rootkit
ACK piggybacking
Bus Topology
Types of ATM virtual circuits
12. It handles the establishment and maintenance of connections between systems
The Uniform Protection to defense in depth
Some Pen Test techniques
The session layer
Logic bomb
13. It interacts with data and prepares it to be transmitted across the network. It ensures reliable connectivity from end-to-end
What range is a class C network?
The transport layer
Some common TCP ports
What ways should the crypto key be protected?
14. 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
Race conditions
The protected enclave to defense in depth
Honeypot
Some reasons to use UDP over TCP
15. Outside attack from network - Outsider attack from telephone - Insider attack from local network - insider attack from local system - attack from malicious code
The goals of cryptography
Ciphertext
The five threat vectors
When setting up a virtual circuit
16. Connection oriented - before systems can communicate over an ATM network - they must establish a virtual circuit between each other - this can span across multiple ATM switches that also handle communications for other systems - at the end of the con
The Information Centric defense in depth
ATM work
Brute force
NAC
17. Not a replacement for firewalls - hardening - strong policies - or other DiD methods - low maintenance - inexpensive
IDS data normalization
IDS not
Integrity of Data
Ciphertext
18. Metropolitan area network - spans across city or town - larger than a LAN - uses fiber for backbone
MAN
IDS data normalization
Some common TCP ports
The difference in stacks
19. Intrusion detection system - it reports attacks against monitored systems/networks
IDS
Address resolution protocol
The OSI model
What range is a class A network?
20. 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.
Smurf attack
The CIA triad
Brute force
A blind FTP
21. flags anomalous conditions in traffic on the network - requires understanding on what is normal - bases good traffic as a baseline
Anomaly analysis work
To establish a TCP session
Group
Firewall
22. 1. physical 2. data 3. network 4. transport 5. session 6. presentation 7. application
The OSI Protocol Stack
What range is a class B network?
Best way to protect wireless networks
UDP packet headers
23. OSI
IDS
Router
What's a VLAN
When talking about protocols and referencing layers - what stack is used
24. free windows based wireless scanner for 802.1b - detects access point settings - supports GSP integration - identifies networks as encrypted or unencrypted
the application layer
LAN
What's an easy way to test encryption?
Network stumbler
25. Program disguised as something helpful - only to perform actions the user did not intend. Opening ports - installing other programs - etc.
No State Inspection ACK flag set
What range is a class A network?
Trojan horse
Brute force
26. Strips OS commands and characters from input - avoid making system calls from within the app * especially based on user input
DDoS attack
OS Command Injection defenses
Address Resolution Protocol (ARP)
Stateful firewall
27. 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
Arbitrary substitution
Rotation?
The conficker worm
Some types of malicious code
28. Bits of code embedded in programs to quickly gain access at a later time
A netmask
Macro virus
Trap door
Buffer overflow
29. Replicates traffic onto all ports - no traffic monitoring - cannot control which ports should or shouldn't receive frames - forming a large collision domain.
Hubs
A network protocol
IDS signature analysis work
UDP packet headers
30. Simplest form of a research honeypot - useful in identifying nature of TCP scans - allows attacker to complete 3-way handshake - listens on a defined port - logs incoming requests for analysis
Some firewall challenges
A netcat listener
Some network design objectives
The CIA triad
31. local area network - small network confined to small location - all equipment owned by a single entity - vulnerable to inside threats and logic bombs
The CIA triad
Switches
When talking about protocols and referencing layers - what stack is used
LAN
32. Network scanner.
Smurf attack
No State Inspection ACK flag set
Nmap
Some reasons to use UDP over TCP
33. destruction of data - leaking confidential information - providing backdoor access
Some malware capabilities
PAN
The four types of events reported by IDS
LAN
34. It makes sure the data sent from one side to the other is in a format useful to the other side
Some reasons to use TCP over UDP
Smurf attack
Types of viruses
The presentation layer
35. Anonymous FTP - FTP passes through clear text - Bounce attacks with the PORT command - user can cause an FTP to open a connection from the FTP's own commands and bypass a firewall
TFTP
Integrity of Data
Some FTP dangers
NIDS challenges
36. Application layer attacks may get through - dialup - VPN - extranet connections may bypass firewalls
The presentation layer
Some firewall challenges
Anomaly analysis work
The threat vector analysis in defense in depth
37. True positive - false positive - true negative - false negative
What primary threats should be protected against
NAC
The four types of events reported by IDS
Browsing attack
38. NTP - BootP/DHCP - NFS file systems - SNMP - TFTP
Some other UDP based protocols
IDS not
Vulnerabilities
The threat vector analysis in defense in depth
39. removable media - email attachments - web browsing - social networking - network vulnerabilities - IM applications - p2p
Some malware propagation techniques
Bus Topology
Some Pen Test techniques
What threats should be protected against - based on threat levels
40. 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
NIDS challenges
Shallow packet inspection
A netcat listener
SYN flood
41. Uses a 1 to 1 substitution of characters - rotate the alphabet by 'n' number of characters - rot+X means rotate the letters X characters
Ack Piggybacking
Rotation?
Race conditions
When talking about protocols and referencing layers - what stack is used
42. keeps the same letters - but changes the position within the text - easy to break - can be combined with substitution
What's an easy way to test encryption?
Permutation
Switches
Hubs
43. Small program triggered by an event that provides an action. E.g. scheduled file removal if countdown isn't reset - ie: employee was fired
MAN
Trojan horse
What primary threats should be protected against
Logic bomb
44. 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
Ciphertext
The protected enclave to defense in depth
Types of ATM virtual circuits
Macro virus
45. Most commonly used transport protocol today - ensures reliable packet delivery - has error handling built in
What range is a class A network?
Overview of TCP
SYN flood
Buffer overflow
46. FIN 130 - ACK 131 - FIN 570 - ACK 571
The five threat vectors
NAC
The conficker worm
To close a TCP session
47. Going around with equipment to detect wireless networks
Wardriving
File Integrity checking work
The transport layer
Kismet
48. Good for multimedia - can use small single packets - multicasting is required - speed is the highest priority
HIDS monitor
Some reasons to use UDP over TCP
Wardriving
Logic bomb
49. Simple attack done by simply browsing available information that's allowed on a local network.
War Dialing
What range is a class C network?
Browsing attack
Some external threat concerns
50. 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 ways should the crypto key be protected?
What range is a class B network?
Some network design objectives
Kismet
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