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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. Relies on executable code insertion and user interaction to spread
OS Command Injection defenses
Log monitoring work?
SYN flood
Parasitic malware
2. 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
The different cable categories
Trojan horse
The conficker worm
OS Command Injection defenses
3. Intellectual property - business goals - validated data - historical
Risk
Buffer overflow
Some external threat concerns
What threats should be protected against - based on threat levels
4. Message in its encrypted form
NIDS challenges
Ciphertext
Datagram length of a UDP packet
No State Inspection ACK flag set
5. Migrate to WPA2 - use strong authentication like PEAP or TTLS - audit network installations - require mutual auth between client and infrastructure equipment
Integrity of Data
Alteration of code
Best way to protect wireless networks
Some firewall benefits
6. Identify critical assets and provide layered protection - data is accessed by applications - applications reside on hosts - hosts operate on networks
The conficker worm
Remote maintenance
Shallow packet inspection
The Information Centric defense in depth
7. 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)
The goals of cryptography
The five threat vectors
Logic bomb
8. Good for multimedia - can use small single packets - multicasting is required - speed is the highest priority
Some reasons to use UDP over TCP
What's an easy way to test encryption?
File integrity checking work
What categories do vulnerabilities fall into?
9. 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
Checksum in UDP
Address resolution protocol
Browsing attack
What range is a class B network?
10. Considered to be a perimeter device
What range is a class C network?
COM/Script program infector
Remote maintenance
Router
11. Infects MBR - no network spreading potential
Boot record infector
Worms
File Integrity checking work
Types of viruses
12. CIDR is a shorthand way of specifying which portion of the address is the network - and which portion is the host
Ack Piggybacking
CIDR
IDS not
Some Pen Test techniques
13. 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
SQL Slammer Worm
Brute force
SYN flood
Browsing attack
14. 192.0.0.0 through 223.255.255.255 - subnet mask of 255.255.255.0
COM/Script program infector
The goals of cryptography
What range is a class C network?
The four types of events reported by IDS
15. NTP - BootP/DHCP - NFS file systems - SNMP - TFTP
Some network design objectives
Some other UDP based protocols
Permutation
Asynchronous Transfer Mode
16. OSI
When talking about protocols and referencing layers - what stack is used
Some reasons to use TCP over UDP
The protected enclave to defense in depth
Some malware propagation techniques
17. Slow - requires stateful data tracking - inspects all fields - including variable-length fields
The four types of events reported by IDS
Shallow packet inspection
Deep packet inspection
Router
18. Connects the physical part of the network (cables) with the abstract (packets and datastreams)
Rotation?
Types of ATM virtual circuits
IDS data normalization
The data link layer
19. Allows admins to remotely access a system for troubleshooting. - E.g VNC - GoToMyPc - PC Anywhere
Overview of TCP
Remote maintenance
Some NIDS topology limitations
What range is a class A network?
20. Uniform protection - protected enclaves - information centric - threat vector analysis
MAN
SQL Slammer Worm
The four basic approaches to defense in depth
Shallow packet inspection
21. UDP based infection - infected through vulnerability in SQL server - caused DoS on saturated networks
SQL Slammer Worm
COM/Script program infector
UDP packet headers
The protected enclave to defense in depth
22. local area network - small network confined to small location - all equipment owned by a single entity - vulnerable to inside threats and logic bombs
LAN
Some disadvantages of honeypots
3-way handshake
IDS data normalization
23. Physical layer - Data link layer - Network Layer - Transport Layer - Session Layer - Presentation Layer - Application Layer
Race conditions
The protected enclave to defense in depth
The OSI model
When talking about protocols and referencing layers - what stack is used
24. A TCP version of ping - sends custom TCP packets to a host and listens for replies - enables port scanning and spoofing simultaneously
IDS signature analysis work
Integrity of Data
Plaintext
Hping
25. Improper deployment can increase attack risk - if production systems aren't sufficiently protected - they can be vulnerable from a honeypot - legal liability
The data link layer
Smurf attack
Some disadvantages of honeypots
The session layer
26. 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
What primary threats should be protected against
A netcat listener
Hubs
The data link layer
27. Personal area network - phone tethering - bluetooth - etc
PAN
Some firewall benefits
Checksum in UDP
The network layer
28. destruction of data - leaking confidential information - providing backdoor access
Defense in depth
Some malware capabilities
What primary threats should be protected against
Hubs
29. 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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30. Switches networks make it difficult to monitor traffic in promiscuous mode - topology must be able to support traffic aggregation for monitoring
Worms
Some NIDS topology limitations
IDS signature analysis work
What ways should the crypto key be protected?
31. Handles the network address scheme and connectivity of multiple network segments. It handles communication.
Parasitic malware
Types of ATM virtual circuits
Trap door
The network layer
32. Intrusion detection system - it reports attacks against monitored systems/networks
The conficker worm
Honeypot
IDS
Some ways to bypass firewall protections
33. Strips OS commands and characters from input - avoid making system calls from within the app * especially based on user input
OS Command Injection defenses
Boot record infector
SQL Slammer Worm
Logic bomb
34. low interaction production honeypot - network daemon that can simulate other hosts - each host can appear as a different OS
Honeyd
The different cable categories
A netmask
Anomaly analysis work
35. 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
Hubs
The protected enclave to defense in depth
Ciphertext
36. Means multiple iterations won't matter. If you encrypt with a key - then re-encrypt - it's the same as using one key.
No State Inspection ACK flag set
Some firewall benefits
Group
OS Command Injection defenses
37. Maintains complete TCP connection state and sequencing through 2 connections - address translation built-in by virtue of second connection above
Network stumbler
Integrity of Data
Proxy or application gateway
A netcat listener
38. 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
Stateless packet filter
Multi protocol label switching
Honeyd
39. The Practice of sending an ACK inside another packet going to the same destination
When talking about protocols and referencing layers - what stack is used
Social engineering
Ack Piggybacking
Stateful firewall
40. 53 bytes - 48 bytes for data - 5 bytes for the header
Total cell size for asynchronous transfer mode (ATM)
Some honeypot advantages
Integrity of Data
the application layer
41. A hash is produced when applied to a monitored file. The hash always generates the same value unless a change was made. HIDS software checks the hashes of monitored files and if a change is found - analyst is notified. - ie: tripwire
Types of viruses
Hubs
Some firewall benefits
File Integrity checking work
42. Confidentiality - symmetric encryption
The goals of cryptography
The three goals of security
Port scan
The TCP/IP model
43. It interacts with the application layer to determine which network services will be required
NAC
Asynchronous Transfer Mode
DDoS attack
the application layer
44. Provides insight into traffic on the network - help detect problems with network operations - provides auditing for other security measures
Brute force
What categories do vulnerabilities fall into?
NIDS advantages
The CIA triad
45. Provides insight into the tactics - motives - and attacker tools
When implementing protocols - what stack should be used?
Nmap scanning techniques
Some network design objectives
Some honeypot advantages
46. Program disguised as something helpful - only to perform actions the user did not intend. Opening ports - installing other programs - etc.
A network protocol
Parasitic malware
Port scan
Trojan horse
47. Weakness in a system - inherent in a complex system - majority are due to poor coding - gateway by which threats are manifested
The Uniform Protection to defense in depth
Vulnerabilities
Browsing attack
The goals of cryptography
48. Uses a 1 to 1 substitution of arbitrary numbers - given a one character mapping - you cannot determine the key
Internet
Arbitrary substitution
Port scan
Overview of TCP
49. An FTP that allows downloads only if the user knows the exact name of the file they're looking for
A blind FTP
The different cable categories
DDoS attack
HIDS monitor
50. A sends a SYN packet to B - B acknowledges with a SYN/ACK - A replies with ACK
Some malware propagation techniques
3-way handshake
A blind FTP
The transport layer