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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. Maintains complete TCP connection state and sequencing through 2 connections - address translation built-in by virtue of second connection above
Ack Piggybacking
The physical layer stack
Proxy or application gateway
Address resolution protocol
2. Hash Authentication - asymmetric - non repudiation - digital signature - hash + asymmetry
Integrity of Data
Nmap
Kismet
What range is a class C network?
3. War dialing - war driving - Sniffing - eavesdropping - dumpster diving - social engineering
Some Pen Test techniques
Some malware capabilities
Datagram length of a UDP packet
Defense in depth
4. Worms and Wireless - modems - tunnel anything through HTTP - social engineering
Arbitrary substitution
Some ways to bypass firewall protections
IDS not
The three goals of security
5. Wide Area Network - Larger than MAN or LAN - uses public network - phone lines - and leased lines to tie LAN and MAN over a dispersed area
ACK piggybacking
WAN
When talking about protocols and referencing layers - what stack is used
What's an easy way to test encryption?
6. Small program triggered by an event that provides an action. E.g. scheduled file removal if countdown isn't reset - ie: employee was fired
Integrity of Data
Alteration of code
Logic bomb
Address resolution protocol
7. The Practice of sending an ACK inside another packet going to the same destination
Ack Piggybacking
The CIA triad
What's a VLAN
Honeypot
8. Intellectual property - business goals - validated data - historical
Browsing attack
COM/Script program infector
What threats should be protected against - based on threat levels
What range is a class B network?
9. It allows the transport layer to detect when the UDP headers or the payload have been modified in transit
Some Pen Test techniques
Checksum in UDP
The Information Centric defense in depth
The conficker worm
10. 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
To establish a TCP session
OS Command Injection defenses
File Integrity checking work
Deep packet inspection
11. Trying to ID modems in a telephone exchange that may be susceptible to compromise
Boot record infector
IDS not
War Dialing
Snort
12. One is for talking - one is for implementing
The four basic approaches to defense in depth
The difference in stacks
Some firewall challenges
Some reasons to use TCP over UDP
13. Metropolitan area network - spans across city or town - larger than a LAN - uses fiber for backbone
Brute force
MAN
The data link layer
Checksum in UDP
14. Network traffic to the host - typically listens on all interface - uses signature analysis to identify events of interest
Nmap scanning techniques
Some common UDP ports
HIDS monitor
Types of ATM virtual circuits
15. Infects the EXE and make them operate slightly different - when infected - exe header sizes are altered to point to the appended viral code
Some network design objectives
EXE program infector
Kismet
Defense in depth
16. Going around with equipment to detect wireless networks
IDS not
Some firewall benefits
Wardriving
The CIA triad
17. 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
Some common TCP ports
Some Pen Test techniques
Datagram length of a UDP packet
18. Application layer attacks may get through - dialup - VPN - extranet connections may bypass firewalls
Some common UDP ports
Group
Some other UDP based protocols
Some firewall challenges
19. Unified data carrying service - replacing from replay and ATM
Total cell size for asynchronous transfer mode (ATM)
Honeyd
Multi protocol label switching
A network protocol
20. Physical layer - Data link layer - Network Layer - Transport Layer - Session Layer - Presentation Layer - Application Layer
To close a TCP session
SQL Slammer Worm
The OSI model
Worms
21. Free linux WLAN analysis tool - completely passive - cannot be detected - supports advanced GPS integration and mapping features - used for wardriving - WLAN vulerability assessment
Some honeypot advantages
OS Command Injection defenses
Kismet
NIDS challenges
22. Threat requires a vector to cross the vulnerability - stop the ability of the threat to use the vector
Denial of service
The threat vector analysis in defense in depth
HIDS monitor
The Uniform Protection to defense in depth
23. A low end firewall that can quickly be deployed using existing hardware. They examine packets themselves with no content.
War Dialing
What categories do vulnerabilities fall into?
Stateless packet filter
Some Pen Test techniques
24. CIDR is a shorthand way of specifying which portion of the address is the network - and which portion is the host
What threats should be protected against - based on threat levels
Port scan
ATM work
CIDR
25. It interacts with the application layer to determine which network services will be required
Multi protocol label switching
Worms
the application layer
IDS signature analysis work
26. 128.0.0.0 through 191.255.255.255 - with a subnet mask of 255.255.0.0
What range is a class B network?
Some reasons to use TCP over UDP
The CIA triad
Nmap
27. Full open - half open (stealth scan) - UDP - Ping
Nmap scanning techniques
File Integrity checking work
The presentation layer
Logic bomb
28. Handles transmissions across the physical media like wires - fiber - etc
Trojan horse
SQL Slammer Worm
The physical layer stack
Stateful firewall
29. 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
Alteration of code
What's a VLAN
File Integrity checking work
Some FTP dangers
30. Resource exhaustion like DDoS or fork attack - unexpected input value the machine does not know how to process
What range is a class C network?
Internet
Denial of service
Trojan horse
31. 8 bytes per packet - UDP SRC port - UDP DST Ports - UDP length - UDP Checksum
Bus Topology
The protected enclave to defense in depth
Honeyd
UDP packet headers
32. UDP based infection - infected through vulnerability in SQL server - caused DoS on saturated networks
Log monitoring work?
Some disadvantages of honeypots
The physical layer stack
SQL Slammer Worm
33. 53 bytes - 48 bytes for data - 5 bytes for the header
ATM work
Total cell size for asynchronous transfer mode (ATM)
Best way to protect wireless networks
OS Command Injection defenses
34. 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
When implementing protocols - what stack should be used?
The TCP/IP model
Hping
Stateful firewall
35. 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
The OSI Protocol Stack
MAN
The TCP/IP model
A netcat listener
36. Confidentiality - symmetric encryption
SQL Slammer Worm
The threat vector analysis in defense in depth
The transport layer
The goals of cryptography
37. NTP - BootP/DHCP - NFS file systems - SNMP - TFTP
Honeyd
IDS signature analysis work
MAN
Some other UDP based protocols
38. An appliance that controls access between public internet and a companies private network - or between a PC NIC and the rest of the PC.
A blind FTP
Firewall
Stateful firewall
EXE program infector
39. Not a replacement for firewalls - hardening - strong policies - or other DiD methods - low maintenance - inexpensive
A network protocol
Brute force
The difference in stacks
IDS not
40. It interacts with data and prepares it to be transmitted across the network. It ensures reliable connectivity from end-to-end
When setting up a virtual circuit
The transport layer
PAN
Ack Piggybacking
41. Connects many WANs - MANs - and LANs - provided via ISP
IDS signature analysis work
Anomaly analysis work
Internet
Best way to protect wireless networks
42. Strips OS commands and characters from input - avoid making system calls from within the app * especially based on user input
OS Command Injection defenses
The presentation layer
Some NIDS topology limitations
Kismet
43. 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
Deep packet inspection
The three goals of security
3-way handshake
44. Personal area network - phone tethering - bluetooth - etc
PAN
When talking about protocols and referencing layers - what stack is used
War Dialing
Datagram length of a UDP packet
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
Deep packet inspection
The Information Centric defense in depth
The different cable categories
Hubs
46. 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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47. Known - unknown - zero day
Shallow packet inspection
Some types of malicious code
What categories do vulnerabilities fall into?
Network stumbler
48. It handles the establishment and maintenance of connections between systems
Multi protocol label switching
The session layer
Asynchronous Transfer Mode
ATM work
49. keeps the same letters - but changes the position within the text - easy to break - can be combined with substitution
Some NIDS topology limitations
The Uniform Protection to defense in depth
Boot record infector
Permutation
50. OSI
Network stumbler
The transport layer
Stateless packet filter
When talking about protocols and referencing layers - what stack is used