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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. Intellectual property - business goals - validated data - historical
Shallow packet inspection
What threats should be protected against - based on threat levels
Network stumbler
Some common TCP ports
2. Provides insight into traffic on the network - help detect problems with network operations - provides auditing for other security measures
NIDS advantages
What's a VLAN
COM/Script program infector
Honeypot
3. -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
Some disadvantages of honeypots
Some external threat concerns
Risk
3-way handshake
4. One is for talking - one is for implementing
Some honeypot advantages
The difference in stacks
Proxy or application gateway
Some reasons to use UDP over TCP
5. Parasitic malware - boot record infector - macro - COM/Script program infector - EXE program infector
COM/Script program infector
SYN flood
Nmap scanning techniques
Types of viruses
6. Strips OS commands and characters from input - avoid making system calls from within the app * especially based on user input
COM/Script program infector
OS Command Injection defenses
Rotation?
The data link layer
7. Confidentiality - symmetric encryption
Remote maintenance
The CIA triad
The four basic approaches to defense in depth
The goals of cryptography
8. An attacker recruits zombie systems ahead of time to simultaneously release a flood of traffic at a specific target.
The transport layer
Router
DDoS attack
Browsing attack
9. Network traffic to the host - typically listens on all interface - uses signature analysis to identify events of interest
HIDS monitor
Rootkit
Ack Piggybacking
Network stumbler
10. Uses inclusive or exclusive lists - inclusive analysis utilizes a list of keywords - exclusive analysis utilizes a list of events that can be ignored
Some malware capabilities
Log monitoring work?
The data link layer
Boot record infector
11. 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 common TCP ports
Nmap
Some malware capabilities
The different cable categories
12. 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
File integrity checking work
Macro virus
Some external threat concerns
Router
13. Confidentiality - integrity - availability
The three goals of security
UDP packet headers
Shallow packet inspection
DDoS attack
14. 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.
What's an easy way to test encryption?
ACK piggybacking
Types of ATM virtual circuits
Race conditions
15. 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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16. 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
The protected enclave to defense in depth
Datagram length of a UDP packet
The TCP/IP model
Some FTP dangers
17. 1.0.0.0 through 127.255.255.255 - subnet mask starts at 255.0.0.0
To establish a TCP session
Trap door
Browsing attack
What range is a class A network?
18. logic bomb - trojan horse - trap door
Trap door
CIDR
Some types of malicious code
Bus Topology
19. 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
Bus Topology
Trojan horse
Some NIDS topology limitations
Honeypot
20. 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
Bus Topology
Asynchronous Transfer Mode
File Integrity checking work
The session layer
21. destruction of data - leaking confidential information - providing backdoor access
Some honeypot advantages
Some malware capabilities
Macro virus
The physical layer stack
22. keeps the same letters - but changes the position within the text - easy to break - can be combined with substitution
Permutation
OS Command Injection defenses
What range is a class A network?
The threat vector analysis in defense in depth
23. 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 physical layer stack
Honeypot
Ack Piggybacking
Nmap scanning techniques
24. 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
Some other UDP based protocols
Address resolution protocol
ACK piggybacking
NIDS advantages
25. Switches networks make it difficult to monitor traffic in promiscuous mode - topology must be able to support traffic aggregation for monitoring
Some common UDP ports
IDS data normalization
Asynchronous Transfer Mode
Some NIDS topology limitations
26. Free linux WLAN analysis tool - completely passive - cannot be detected - supports advanced GPS integration and mapping features - used for wardriving - WLAN vulerability assessment
Some firewall challenges
Kismet
the application layer
Arbitrary substitution
27. Going around with equipment to detect wireless networks
Wardriving
IDS
Social engineering
DDoS attack
28. Good for multimedia - can use small single packets - multicasting is required - speed is the highest priority
ACK piggybacking
Some reasons to use UDP over TCP
Social engineering
IDS
29. NTP - BootP/DHCP - NFS file systems - SNMP - TFTP
Some other UDP based protocols
The four types of events reported by IDS
IDS
The threat vector analysis in defense in depth
30. An appliance that controls access between public internet and a companies private network - or between a PC NIC and the rest of the PC.
Firewall
Router
No State Inspection ACK flag set
What ways should the crypto key be protected?
31. 53 bytes - 48 bytes for data - 5 bytes for the header
Total cell size for asynchronous transfer mode (ATM)
No State Inspection ACK flag set
Race conditions
The physical layer stack
32. 20 - FTP data - 21 - FTP - 23 - Telnet - 25 - SNMP - 53 - DNS - 79 - Finger - 80 - HTTP - 110 - POP - 443 - HTTPS
File Integrity checking work
The different cable categories
Some Pen Test techniques
Some common TCP ports
33. A cracking tool inserted into the OS that allows the attacker to do as they please.
Plaintext
Some other UDP based protocols
Shallow packet inspection
Rootkit
34. Metropolitan area network - spans across city or town - larger than a LAN - uses fiber for backbone
Types of viruses
MAN
NIDS advantages
Boot record infector
35. Connects the physical part of the network (cables) with the abstract (packets and datastreams)
The different cable categories
Some honeypot advantages
The Information Centric defense in depth
The data link layer
36. Identify critical assets and provide layered protection - data is accessed by applications - applications reside on hosts - hosts operate on networks
NAC
What's a VLAN
Nmap scanning techniques
The Information Centric defense in depth
37. 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
Permutation
File Integrity checking work
COM/Script program infector
The five threat vectors
38. Uniform protection - protected enclaves - information centric - threat vector analysis
Kismet
Parasitic malware
The four basic approaches to defense in depth
The Uniform Protection to defense in depth
39. free windows based wireless scanner for 802.1b - detects access point settings - supports GSP integration - identifies networks as encrypted or unencrypted
Some malware capabilities
Network stumbler
The data link layer
The presentation layer
40. An attempt to gain access by bombarding it with guesses until the password is found.
Checksum in UDP
Brute force
Some reasons to use UDP over TCP
WAN
41. Unencrypted message in its original form
Types of viruses
The presentation layer
Social engineering
Plaintext
42. 192.0.0.0 through 223.255.255.255 - subnet mask of 255.255.255.0
The Information Centric defense in depth
What range is a class C network?
Browsing attack
IDS signature analysis work
43. Handles the network address scheme and connectivity of multiple network segments. It handles communication.
IDS data normalization
What ways should the crypto key be protected?
The four types of events reported by IDS
The network layer
44. Migrate to WPA2 - use strong authentication like PEAP or TTLS - audit network installations - require mutual auth between client and infrastructure equipment
Risk
Some reasons to use TCP over UDP
Best way to protect wireless networks
The five threat vectors
45. 128.0.0.0 through 191.255.255.255 - with a subnet mask of 255.255.0.0
Nmap scanning techniques
PAN
Worms
What range is a class B network?
46. 8 bytes per packet - UDP SRC port - UDP DST Ports - UDP length - UDP Checksum
WAN
The Uniform Protection to defense in depth
UDP packet headers
Datagram length of a UDP packet
47. 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
The four types of events reported by IDS
What threats should be protected against - based on threat levels
Defense in depth
IDS data normalization
48. Physical layer - Data link layer - Network Layer - Transport Layer - Session Layer - Presentation Layer - Application Layer
Proxy or application gateway
Hubs
The OSI model
Asynchronous Transfer Mode
49. The Practice of sending an ACK inside another packet going to the same destination
Plaintext
Firewall
Ack Piggybacking
Some reasons to use UDP over TCP
50. Message in its encrypted form
File Integrity checking work
Plaintext
Ciphertext
SQL Slammer Worm