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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. It makes sure the data sent from one side to the other is in a format useful to the other side
Hubs
The data link layer
Log monitoring work?
The presentation layer
2. 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
Plaintext
The threat vector analysis in defense in depth
Types of ATM virtual circuits
Some reasons to use UDP over TCP
3. Netmasks or subnets provide a method for identifying what portion of an address is the network - and what portion is the host
Some other UDP based protocols
A netmask
Worms
The conficker worm
4. Malware - insider threat - natural disaster - terrorism - pandemic
What primary threats should be protected against
Some Pen Test techniques
DDoS attack
Address Resolution Protocol (ARP)
5. Going around with equipment to detect wireless networks
Wardriving
the application layer
Permutation
Honeyd
6. Outside attack from network - Outsider attack from telephone - Insider attack from local network - insider attack from local system - attack from malicious code
DDoS attack
Nmap scanning techniques
SYN flood
The five threat vectors
7. keeps the same letters - but changes the position within the text - easy to break - can be combined with substitution
Trap door
Best way to protect wireless networks
Permutation
What categories do vulnerabilities fall into?
8. Uniform protection - protected enclaves - information centric - threat vector analysis
Some Pen Test techniques
Worms
The four basic approaches to defense in depth
Log monitoring work?
9. free windows based wireless scanner for 802.1b - detects access point settings - supports GSP integration - identifies networks as encrypted or unencrypted
Network stumbler
Some Pen Test techniques
Some reasons to use TCP over UDP
Kismet
10. A list of files is defined that should be monitored for a change - HIDS software calculates a one-way hash for each file - if a change is made to the file - the hash is changed
IDS data normalization
TFTP
IDS not
File integrity checking work
11. An agreement on how different computer will work - protocols define the format and order of messages and what to do upon receipt of the messages - basically the rules of the network
A network protocol
Trap door
Macro virus
Router
12. A sends a SYN packet to B - B acknowledges with a SYN/ACK - A replies with ACK
3-way handshake
Remote maintenance
The goals of cryptography
What's an easy way to test encryption?
13. Uses a 1 to 1 substitution of characters - rotate the alphabet by 'n' number of characters - rot+X means rotate the letters X characters
Nmap
Bridge
Rotation?
A netcat listener
14. Threat requires a vector to cross the vulnerability - stop the ability of the threat to use the vector
Log monitoring work?
The different cable categories
Nmap
The threat vector analysis in defense in depth
15. -Malicious code might execute destructive overwrite to hard disks -Malicious mas mailing code might expose sensitive information to the internet - web server compromise might expose organization to ridicule - Web server compromise might expose custom
A netcat listener
Risk
Some firewall challenges
Some external threat concerns
16. 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
Vulnerabilities
What threats should be protected against - based on threat levels
Bus Topology
UDP packet headers
17. 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
Integrity of Data
ATM work
Some ways to bypass firewall protections
Overview of TCP
18. 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
War Dialing
Some NIDS topology limitations
Plaintext
19. The practice of sending an ACK inside another packet going to the same destination
The five threat vectors
Some malware propagation techniques
When talking about protocols and referencing layers - what stack is used
ACK piggybacking
20. UDP based infection - infected through vulnerability in SQL server - caused DoS on saturated networks
Rootkit
The difference in stacks
SQL Slammer Worm
Some common TCP ports
21. Bits of code embedded in programs to quickly gain access at a later time
The four types of events reported by IDS
Trap door
The OSI Protocol Stack
Anomaly analysis work
22. 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
The difference in stacks
To establish a TCP session
COM/Script program infector
Multi protocol label switching
23. Good for multimedia - can use small single packets - multicasting is required - speed is the highest priority
Bus Topology
Some reasons to use UDP over TCP
Buffer overflow
When setting up a virtual circuit
24. 1.0.0.0 through 127.255.255.255 - subnet mask starts at 255.0.0.0
The difference in stacks
The physical layer stack
The transport layer
What range is a class A network?
25. True positive - false positive - true negative - false negative
The four types of events reported by IDS
The OSI Protocol Stack
Integrity of Data
What range is a class B network?
26. 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
Defense in depth
Buffer overflow
TFTP
27. Network scanner.
Program infector
HIDS monitor
Integrity of Data
Nmap
28. local area network - small network confined to small location - all equipment owned by a single entity - vulnerable to inside threats and logic bombs
The three goals of security
LAN
the application layer
Bridge
29. 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
Some NIDS topology limitations
Address Resolution Protocol (ARP)
When implementing protocols - what stack should be used?
A netmask
30. Provides insight into the tactics - motives - and attacker tools
Race conditions
Some honeypot advantages
the application layer
Checksum in UDP
31. 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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32. Protected at rest - protected in transit - secure the key
Buffer overflow
Boot record infector
The difference in stacks
What ways should the crypto key be protected?
33. OSI
The OSI model
The conficker worm
When talking about protocols and referencing layers - what stack is used
When setting up a virtual circuit
34. Isolates systems when they initially connect to the network - allows systems to be scanned and checked prior to being put on a trusted segment
PAN
Brute force
NIDS challenges
NAC
35. Considered to be a perimeter device
Asynchronous Transfer Mode
Log monitoring work?
Router
MAN
36. packet filter firewalls rely on TCP flags to determine connection state. Attacker can send ACK packets only to bypass firewall.
No State Inspection ACK flag set
Social engineering
The different cable categories
What's a VLAN
37. Infects the EXE and make them operate slightly different - when infected - exe header sizes are altered to point to the appended viral code
EXE program infector
The presentation layer
Log monitoring work?
IDS signature analysis work
38. Improper deployment can increase attack risk - if production systems aren't sufficiently protected - they can be vulnerable from a honeypot - legal liability
Some disadvantages of honeypots
A netmask
Port scan
Shallow packet inspection
39. 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
Asynchronous Transfer Mode
Log monitoring work?
DDoS attack
What primary threats should be protected against
40. open source tool for monitoring - can be used as a NIDS - has quick updates and flexibility for custom rules
Snort
Multi protocol label switching
Some honeypot advantages
Some disadvantages of honeypots
41. Network traffic to the host - typically listens on all interface - uses signature analysis to identify events of interest
Datagram length of a UDP packet
File Integrity checking work
Router
HIDS monitor
42. Intrusion detection system - it reports attacks against monitored systems/networks
What's a VLAN
IDS
Ack Piggybacking
The four basic approaches to defense in depth
43. Relies on executable code insertion and user interaction to spread
Total cell size for asynchronous transfer mode (ATM)
Parasitic malware
What primary threats should be protected against
3-way handshake
44. FIN 130 - ACK 131 - FIN 570 - ACK 571
To close a TCP session
The transport layer
Some honeypot advantages
COM/Script program infector
45. 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
Some Pen Test techniques
IDS
MAN
The different cable categories
46. 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
Some malware capabilities
WAN
Honeypot
The difference in stacks
47. Four layers - Network Layer - Internet Layer - Transport Layer - Application layer
The network layer
Some common TCP ports
ACK piggybacking
The TCP/IP model
48. logic bomb - trojan horse - trap door
Best way to protect wireless networks
Some types of malicious code
IDS signature analysis work
NIDS advantages
49. Allows admins to remotely access a system for troubleshooting. - E.g VNC - GoToMyPc - PC Anywhere
Honeypot
What ways should the crypto key be protected?
Remote maintenance
the application layer
50. Trying to ID modems in a telephone exchange that may be susceptible to compromise
The transport layer
Some Pen Test techniques
What's an easy way to test encryption?
War Dialing