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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. Application layer attacks may get through - dialup - VPN - extranet connections may bypass firewalls
Some firewall challenges
MAN
IDS signature analysis work
The Uniform Protection to defense in depth
2. 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
Some FTP dangers
Some Pen Test techniques
Defense in depth
The goals of cryptography
3. Unified data carrying service - replacing from replay and ATM
Plaintext
Social engineering
Remote maintenance
Multi protocol label switching
4. logic bomb - trojan horse - trap door
MAN
Some types of malicious code
The transport layer
Some NIDS topology limitations
5. Trivial File Transfer Protocol - method to transfer files from one device to another without needing authentication
TFTP
Router
No State Inspection ACK flag set
Anomaly analysis work
6. 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
To establish a TCP session
Total cell size for asynchronous transfer mode (ATM)
Asynchronous Transfer Mode
Best way to protect wireless networks
7. removable media - email attachments - web browsing - social networking - network vulnerabilities - IM applications - p2p
Brute force
Multi protocol label switching
Some malware propagation techniques
ATM work
8. 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.
Stateless packet filter
Race conditions
Trojan horse
IDS data normalization
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
Hping
The data link layer
Some Pen Test techniques
Some reasons to use TCP over UDP
10. A TCP version of ping - sends custom TCP packets to a host and listens for replies - enables port scanning and spoofing simultaneously
Some malware propagation techniques
Hping
Some other UDP based protocols
ACK piggybacking
11. Outside attack from network - Outsider attack from telephone - Insider attack from local network - insider attack from local system - attack from malicious code
Hubs
the application layer
TFTP
The five threat vectors
12. Unencrypted message in its original form
CIDR
MAN
Plaintext
Wardriving
13. Protects internal/external systems from attack - filters communications based on content - performs NAT - encrypts communications for VPN - logging to aid in intrusion detection
NIDS challenges
Some types of malicious code
Some other UDP based protocols
Some firewall benefits
14. It interacts with the application layer to determine which network services will be required
the application layer
Some disadvantages of honeypots
IDS data normalization
Address resolution protocol
15. A sends a SYN packet to B - B acknowledges with a SYN/ACK - A replies with ACK
Honeyd
When talking about protocols and referencing layers - what stack is used
NAC
3-way handshake
16. Intrusion detection system - it reports attacks against monitored systems/networks
IDS
To close a TCP session
Network stumbler
CIDR
17. 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 types of malicious code
Integrity of Data
Honeypot
Address resolution protocol
18. Handles transmissions across the physical media like wires - fiber - etc
The physical layer stack
the application layer
Macro virus
What ways should the crypto key be protected?
19. Provides insight into the tactics - motives - and attacker tools
Network stumbler
When setting up a virtual circuit
Some NIDS topology limitations
Some honeypot advantages
20. keeps the same letters - but changes the position within the text - easy to break - can be combined with substitution
Total cell size for asynchronous transfer mode (ATM)
Trojan horse
Permutation
Address Resolution Protocol (ARP)
21. The practice of sending an ACK inside another packet going to the same destination
What ways should the crypto key be protected?
ACK piggybacking
Some types of malicious code
Hubs
22. Full open - half open (stealth scan) - UDP - Ping
Some firewall benefits
PAN
Vulnerabilities
Nmap scanning techniques
23. Combines the functionality of a hub and bride into a single device - keeps track of MACs attached to each port
IDS
Some common TCP ports
Switches
Ciphertext
24. 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
ACK piggybacking
A netmask
Macro virus
Alteration of code
25. Personal area network - phone tethering - bluetooth - etc
The five threat vectors
PAN
The conficker worm
What range is a class B network?
26. An attacker recruits zombie systems ahead of time to simultaneously release a flood of traffic at a specific target.
Some other UDP based protocols
Hping
DDoS attack
CIDR
27. 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)
IDS not
Overview of TCP
Browsing attack
28. Parasitic malware - boot record infector - macro - COM/Script program infector - EXE program infector
Some external threat concerns
A network protocol
The protected enclave to defense in depth
Types of viruses
29. 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
Deep packet inspection
Hping
MAN
File integrity checking work
30. Connects many WANs - MANs - and LANs - provided via ISP
Log monitoring work?
Internet
Overview of TCP
Firewall
31. low interaction production honeypot - network daemon that can simulate other hosts - each host can appear as a different OS
Internet
Honeyd
To establish a TCP session
Denial of service
32. Simple attack done by simply browsing available information that's allowed on a local network.
Switches
Browsing attack
Boot record infector
IDS signature analysis work
33. TCP/IP - the IP protoco - The core routing protocol of the internet - - deals with transmission of packets between end points - defines the addressing scheme for the internet
No State Inspection ACK flag set
Social engineering
NAC
When implementing protocols - what stack should be used?
34. Stateful firewalls maintain state of traffic flows
Snort
Rootkit
Stateful firewall
Defense in depth
35. Trying to ID modems in a telephone exchange that may be susceptible to compromise
The CIA triad
Switches
War Dialing
Wardriving
36. Provides insight into traffic on the network - help detect problems with network operations - provides auditing for other security measures
When talking about protocols and referencing layers - what stack is used
NIDS advantages
Buffer overflow
Vulnerabilities
37. Identify critical assets and provide layered protection - data is accessed by applications - applications reside on hosts - hosts operate on networks
The goals of cryptography
SQL Slammer Worm
Brute force
The Information Centric defense in depth
38. Program disguised as something helpful - only to perform actions the user did not intend. Opening ports - installing other programs - etc.
Trojan horse
3-way handshake
SYN flood
When setting up a virtual circuit
39. Weakness in a system - inherent in a complex system - majority are due to poor coding - gateway by which threats are manifested
WAN
Bus Topology
Vulnerabilities
Group
40. Confidentiality - symmetric encryption
Logic bomb
The OSI Protocol Stack
The goals of cryptography
What range is a class A network?
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
Program infector
Rotation?
When talking about protocols and referencing layers - what stack is used
NAC
42. 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.
COM/Script program infector
What range is a class A network?
Wardriving
Smurf attack
43. Network scanner.
Some external threat concerns
NIDS advantages
Some common UDP ports
Nmap
44. Good for multimedia - can use small single packets - multicasting is required - speed is the highest priority
Program infector
Some reasons to use UDP over TCP
Worms
What range is a class A network?
45. Means multiple iterations won't matter. If you encrypt with a key - then re-encrypt - it's the same as using one key.
What range is a class A network?
Group
DDoS attack
Buffer overflow
46. local area network - small network confined to small location - all equipment owned by a single entity - vulnerable to inside threats and logic bombs
To close a TCP session
LAN
Ciphertext
A netmask
47. flags anomalous conditions in traffic on the network - requires understanding on what is normal - bases good traffic as a baseline
Anomaly analysis work
Program infector
SQL Slammer Worm
The five threat vectors
48. 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
Trap door
NAC
Honeypot
IDS signature analysis work
49. OSI
SQL Slammer Worm
What ways should the crypto key be protected?
When talking about protocols and referencing layers - what stack is used
The protected enclave to defense in depth
50. Infects the EXE and make them operate slightly different - when infected - exe header sizes are altered to point to the appended viral code
What threats should be protected against - based on threat levels
Integrity of Data
EXE program infector
Trojan horse