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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. 192.0.0.0 through 223.255.255.255 - subnet mask of 255.255.255.0
What categories do vulnerabilities fall into?
The three goals of security
What range is a class C network?
Best way to protect wireless networks
2. local area network - small network confined to small location - all equipment owned by a single entity - vulnerable to inside threats and logic bombs
A network protocol
The four basic approaches to defense in depth
Some common UDP ports
LAN
3. logic bomb - trojan horse - trap door
Types of ATM virtual circuits
Buffer overflow
Trojan horse
Some types of malicious code
4. Used by IDS for a baseline before analysis - attackers will try to de-normalize traffic to evade detection - IDS will normalize data for understood protocols
IDS data normalization
Permutation
Network stumbler
What primary threats should be protected against
5. Going around with equipment to detect wireless networks
Wardriving
Honeypot
Honeyd
Some reasons to use TCP over UDP
6. 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?
Vulnerabilities
Program infector
Some firewall benefits
7. Hash Authentication - asymmetric - non repudiation - digital signature - hash + asymmetry
The four basic approaches to defense in depth
Integrity of Data
Rootkit
Stateful firewall
8. 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
Program infector
Types of viruses
When implementing protocols - what stack should be used?
Ack Piggybacking
9. rules indicate criteria in packets that represent events of interest - rules are applied to packets as they are received - alerts are created when matches are found
IDS signature analysis work
Some malware propagation techniques
Some Pen Test techniques
Bus Topology
10. Replicates traffic onto all ports - no traffic monitoring - cannot control which ports should or shouldn't receive frames - forming a large collision domain.
Race conditions
Hubs
IDS signature analysis work
NIDS advantages
11. Metropolitan area network - spans across city or town - larger than a LAN - uses fiber for backbone
MAN
Some types of malicious code
Some malware propagation techniques
Smurf attack
12. An appliance that controls access between public internet and a companies private network - or between a PC NIC and the rest of the PC.
Trojan horse
SYN flood
Firewall
Some common UDP ports
13. It allows the transport layer to detect when the UDP headers or the payload have been modified in transit
When talking about protocols and referencing layers - what stack is used
What range is a class B network?
HIDS monitor
Checksum in UDP
14. Infects MBR - no network spreading potential
Log monitoring work?
NAC
Boot record infector
ATM work
15. 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
Some network design objectives
The three goals of security
Bus Topology
Hubs
16. 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.
Overview of TCP
COM/Script program infector
Smurf attack
Rootkit
17. 20 - FTP data - 21 - FTP - 23 - Telnet - 25 - SNMP - 53 - DNS - 79 - Finger - 80 - HTTP - 110 - POP - 443 - HTTPS
Nmap
Some common TCP ports
The goals of cryptography
Logic bomb
18. The Practice of sending an ACK inside another packet going to the same destination
The difference in stacks
Deep packet inspection
Ack Piggybacking
The presentation layer
19. fast - with little fidelity - examines header information and limited payload data
Address Resolution Protocol (ARP)
Shallow packet inspection
Checksum in UDP
Hping
20. 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
When implementing protocols - what stack should be used?
The three goals of security
Wardriving
File Integrity checking work
21. Free linux WLAN analysis tool - completely passive - cannot be detected - supports advanced GPS integration and mapping features - used for wardriving - WLAN vulerability assessment
Kismet
Permutation
Some honeypot advantages
Ack Piggybacking
22. Most common approach - firewall - VPN - intrusion detection - AV - disk encryption - all parts of the organization receive equal protection - particularly vulnerable to malicious inside attacks
The Uniform Protection to defense in depth
Program infector
Bus Topology
Honeyd
23. Publish separate mail - web - and DNS servers to the internet - provide appropriate access from internal network to internet - protect internal from external attack - provide defense in depth - protect all aspects of the system
Integrity of Data
Wardriving
Risk
Some network design objectives
24. Used for connecting two physical segments of a network - segments traffic - breaks up collision domains - not generally used because of switches
Bridge
Some firewall challenges
Stateful firewall
Nmap scanning techniques
25. Simple attack done by simply browsing available information that's allowed on a local network.
IDS data normalization
Types of viruses
Browsing attack
SYN flood
26. A low end firewall that can quickly be deployed using existing hardware. They examine packets themselves with no content.
Trap door
The different cable categories
Stateless packet filter
SYN flood
27. Provides insight into the tactics - motives - and attacker tools
Trap door
Some honeypot advantages
Some common TCP ports
The five threat vectors
28. 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
The OSI model
Some types of malicious code
Total cell size for asynchronous transfer mode (ATM)
29. low interaction production honeypot - network daemon that can simulate other hosts - each host can appear as a different OS
Parasitic malware
Honeyd
Proxy or application gateway
Bridge
30. A cracking tool inserted into the OS that allows the attacker to do as they please.
Some common TCP ports
Rootkit
Some malware capabilities
Internet
31. Combines the functionality of a hub and bride into a single device - keeps track of MACs attached to each port
Overview of TCP
Bus Topology
What's a VLAN
Switches
32. One is for talking - one is for implementing
Arbitrary substitution
The difference in stacks
IDS not
Best way to protect wireless networks
33. Weakness in a system - inherent in a complex system - majority are due to poor coding - gateway by which threats are manifested
WAN
OS Command Injection defenses
Firewall
Vulnerabilities
34. Isolates systems when they initially connect to the network - allows systems to be scanned and checked prior to being put on a trusted segment
A netmask
Trojan horse
NAC
The transport layer
35. Connects the physical part of the network (cables) with the abstract (packets and datastreams)
A network protocol
The data link layer
Datagram length of a UDP packet
What range is a class B network?
36. CIDR is a shorthand way of specifying which portion of the address is the network - and which portion is the host
The OSI Protocol Stack
Bus Topology
ATM work
CIDR
37. NTP - BootP/DHCP - NFS file systems - SNMP - TFTP
MAN
Anomaly analysis work
Some other UDP based protocols
The TCP/IP model
38. Trivial File Transfer Protocol - method to transfer files from one device to another without needing authentication
TFTP
HIDS monitor
Switches
Trap door
39. War dialing - war driving - Sniffing - eavesdropping - dumpster diving - social engineering
Some Pen Test techniques
Snort
CIDR
Overview of TCP
40. Poor programming without error checking can allow commands to be run in an input field. This can point to a command further in the buffer that will execute the attacker's payload.
What range is a class C network?
Some reasons to use UDP over TCP
Address Resolution Protocol (ARP)
Buffer overflow
41. Four layers - Network Layer - Internet Layer - Transport Layer - Application layer
The TCP/IP model
Smurf attack
A netcat listener
Permutation
42. 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
The three goals of security
The five threat vectors
WAN
Router
43. Message in its encrypted form
Ciphertext
Some disadvantages of honeypots
Plaintext
Firewall
44. An attacker recruits zombie systems ahead of time to simultaneously release a flood of traffic at a specific target.
Total cell size for asynchronous transfer mode (ATM)
Hping
DDoS attack
Stateless packet filter
45. open source tool for monitoring - can be used as a NIDS - has quick updates and flexibility for custom rules
Some reasons to use TCP over UDP
Some ways to bypass firewall protections
ACK piggybacking
Snort
46. The practice of sending an ACK inside another packet going to the same destination
Some Pen Test techniques
CIDR
ACK piggybacking
Address Resolution Protocol (ARP)
47. Confidentiality - integrity - availability
EXE program infector
Defense in depth
The three goals of security
Plaintext
48. removable media - email attachments - web browsing - social networking - network vulnerabilities - IM applications - p2p
Some malware propagation techniques
The session layer
The five threat vectors
Anomaly analysis work
49. Syn - Syn/Ack - Ack
To establish a TCP session
IDS data normalization
What's a VLAN
Snort
50. 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
When implementing protocols - what stack should be used?
Asynchronous Transfer Mode
Race conditions
Rotation?