SUBJECTS
|
BROWSE
|
CAREER CENTER
|
POPULAR
|
JOIN
|
LOGIN
Business Skills
|
Soft Skills
|
Basic Literacy
|
Certifications
About
|
Help
|
Privacy
|
Terms
|
Email
Search
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. 1. physical 2. data 3. network 4. transport 5. session 6. presentation 7. application
The data link layer
The OSI Protocol Stack
HIDS monitor
War Dialing
2. Handles transmissions across the physical media like wires - fiber - etc
The physical layer stack
What range is a class B network?
The different cable categories
Program infector
3. 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 range is a class A network?
Overview of TCP
A netcat listener
What categories do vulnerabilities fall into?
4. 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
What's an easy way to test encryption?
Macro virus
Vulnerabilities
Some malware capabilities
5. local area network - small network confined to small location - all equipment owned by a single entity - vulnerable to inside threats and logic bombs
War Dialing
LAN
A netmask
Macro virus
6. Connects the physical part of the network (cables) with the abstract (packets and datastreams)
The data link layer
The goals of cryptography
Logic bomb
The physical layer stack
7. keeps the same letters - but changes the position within the text - easy to break - can be combined with substitution
Types of ATM virtual circuits
A netcat listener
Permutation
Shallow packet inspection
8. War dialing - war driving - Sniffing - eavesdropping - dumpster diving - social engineering
Some Pen Test techniques
NIDS advantages
Honeypot
the application layer
9. True positive - false positive - true negative - false negative
The four types of events reported by IDS
The Uniform Protection to defense in depth
What primary threats should be protected against
Types of viruses
10. Trivial File Transfer Protocol - method to transfer files from one device to another without needing authentication
What's an easy way to test encryption?
TFTP
IDS not
Hping
11. packet filter firewalls rely on TCP flags to determine connection state. Attacker can send ACK packets only to bypass firewall.
Some reasons to use TCP over UDP
TFTP
COM/Script program infector
No State Inspection ACK flag set
12. 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
The four basic approaches to defense in depth
Nmap scanning techniques
Some reasons to use TCP over UDP
A netmask
13. Network scanner.
The transport layer
Nmap
The OSI model
File integrity checking work
14. Maintains complete TCP connection state and sequencing through 2 connections - address translation built-in by virtue of second connection above
3-way handshake
Proxy or application gateway
Total cell size for asynchronous transfer mode (ATM)
Multi protocol label switching
15. 192.0.0.0 through 223.255.255.255 - subnet mask of 255.255.255.0
Port scan
What range is a class C network?
When talking about protocols and referencing layers - what stack is used
Some network design objectives
16. Handles the network address scheme and connectivity of multiple network segments. It handles communication.
Asynchronous Transfer Mode
NIDS challenges
The network layer
Kismet
17. It handles the establishment and maintenance of connections between systems
The session layer
UDP packet headers
Some malware propagation techniques
The goals of cryptography
18. Uses a 1 to 1 substitution of arbitrary numbers - given a one character mapping - you cannot determine the key
What range is a class C network?
Arbitrary substitution
NIDS advantages
Kismet
19. 1.0.0.0 through 127.255.255.255 - subnet mask starts at 255.0.0.0
What range is a class A network?
Some firewall challenges
Snort
Bus Topology
20. Uniform protection - protected enclaves - information centric - threat vector analysis
The four basic approaches to defense in depth
The four types of events reported by IDS
Trojan horse
Ciphertext
21. Malware - insider threat - natural disaster - terrorism - pandemic
Asynchronous Transfer Mode
Group
CIDR
What primary threats should be protected against
22. 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
What range is a class A network?
The data link layer
Port scan
23. Confidentiality - integrity - availability
Stateless packet filter
The three goals of security
OS Command Injection defenses
Proxy or application gateway
24. 8 bytes per packet - UDP SRC port - UDP DST Ports - UDP length - UDP Checksum
Group
Some malware propagation techniques
What range is a class B network?
UDP packet headers
25. Provides insight into the tactics - motives - and attacker tools
The presentation layer
The network layer
Rootkit
Some honeypot advantages
26. Protects internal/external systems from attack - filters communications based on content - performs NAT - encrypts communications for VPN - logging to aid in intrusion detection
Some firewall benefits
The difference in stacks
ACK piggybacking
What categories do vulnerabilities fall into?
27. Take the file and try to compress it. If it compresses - it means there is a pattern and it's more easily crackable
Warning
: Invalid argument supplied for foreach() in
/var/www/html/basicversity.com/show_quiz.php
on line
183
28. Replicates traffic onto all ports - no traffic monitoring - cannot control which ports should or shouldn't receive frames - forming a large collision domain.
SQL Slammer Worm
Log monitoring work?
WAN
Hubs
29. deployment challenges including topology and access limitations - analyzing encrypted traffic - quantity vs. quality of signatures - performance limitations with extensive analysis techniques - very costly for proper management
The OSI Protocol Stack
The four types of events reported by IDS
NIDS challenges
Ack Piggybacking
30. Intrusion detection system - it reports attacks against monitored systems/networks
Network stumbler
Some network design objectives
IDS
NIDS challenges
31. Outside attack from network - Outsider attack from telephone - Insider attack from local network - insider attack from local system - attack from malicious code
Hping
The five threat vectors
Asynchronous Transfer Mode
Browsing attack
32. Allows segmentation of a switch into different networks - regardless of where a system is plugged in - creates separate networks through software not hardware
Warning
: Invalid argument supplied for foreach() in
/var/www/html/basicversity.com/show_quiz.php
on line
183
33. One is for talking - one is for implementing
Some reasons to use TCP over UDP
SYN flood
Asynchronous Transfer Mode
The difference in stacks
34. Stateful firewalls maintain state of traffic flows
Stateful firewall
ATM work
Remote maintenance
Bus Topology
35. A TCP version of ping - sends custom TCP packets to a host and listens for replies - enables port scanning and spoofing simultaneously
SYN flood
NAC
Total cell size for asynchronous transfer mode (ATM)
Hping
36. It interacts with data and prepares it to be transmitted across the network. It ensures reliable connectivity from end-to-end
Some other UDP based protocols
The transport layer
Proxy or application gateway
Address resolution protocol
37. Uses inclusive or exclusive lists - inclusive analysis utilizes a list of keywords - exclusive analysis utilizes a list of events that can be ignored
Shallow packet inspection
Log monitoring work?
MAN
Race conditions
38. Netmasks or subnets provide a method for identifying what portion of an address is the network - and what portion is the host
A blind FTP
Nmap scanning techniques
A netmask
To establish a TCP session
39. open source tool for monitoring - can be used as a NIDS - has quick updates and flexibility for custom rules
Firewall
Best way to protect wireless networks
the application layer
Snort
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
Buffer overflow
Total cell size for asynchronous transfer mode (ATM)
SYN flood
WAN
41. 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
Some ways to bypass firewall protections
The network layer
Buffer overflow
Asynchronous Transfer Mode
42. Bits of code embedded in programs to quickly gain access at a later time
The difference in stacks
Proxy or application gateway
When talking about protocols and referencing layers - what stack is used
Trap door
43. Considered to be a perimeter device
Router
Buffer overflow
PAN
IDS not
44. 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
What range is a class C network?
When implementing protocols - what stack should be used?
Total cell size for asynchronous transfer mode (ATM)
File Integrity checking work
45. Resource exhaustion like DDoS or fork attack - unexpected input value the machine does not know how to process
Risk
Some network design objectives
Some external threat concerns
Denial of service
46. Provides insight into traffic on the network - help detect problems with network operations - provides auditing for other security measures
Some NIDS topology limitations
PAN
NIDS advantages
Ack Piggybacking
47. fast - with little fidelity - examines header information and limited payload data
Types of ATM virtual circuits
The presentation layer
Shallow packet inspection
When implementing protocols - what stack should be used?
48. Full open - half open (stealth scan) - UDP - Ping
What ways should the crypto key be protected?
Nmap scanning techniques
Honeypot
Ack Piggybacking
49. The Practice of sending an ACK inside another packet going to the same destination
Ack Piggybacking
NIDS advantages
NIDS challenges
Some common TCP ports
50. 53 - DNS - 67 - BootP - 68 - BootP - 69 - TFTP - 123- NTP - 137-139 NBT - 161 - SNMP - 162 - SNMP - 2049 - NFS
Some common UDP ports
The CIA triad
Social engineering
Overview of TCP