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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. An attempt to gain access by bombarding it with guesses until the password is found.
The threat vector analysis in defense in depth
Brute force
PAN
A blind FTP
2. Provides insight into traffic on the network - help detect problems with network operations - provides auditing for other security measures
Some firewall benefits
NIDS advantages
ACK piggybacking
A netcat listener
3. Attempt to manipulate or trick a person into providing information or access - bypass network security by exploiting humans - vector is often outside attack by telephone or visitor inside
What categories do vulnerabilities fall into?
LAN
The data link layer
Social engineering
4. Four layers - Network Layer - Internet Layer - Transport Layer - Application layer
The OSI Protocol Stack
The TCP/IP model
Some FTP dangers
UDP packet headers
5. Connection oriented - before systems can communicate over an ATM network - they must establish a virtual circuit between each other - this can span across multiple ATM switches that also handle communications for other systems - at the end of the con
Some malware capabilities
A netcat listener
Trap door
ATM work
6. Attaches itself to existing program files and activated when the exe is launched
DDoS attack
IDS signature analysis work
UDP packet headers
Program infector
7. 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
Checksum in UDP
Alteration of code
Some external threat concerns
8. Intrusion detection system - it reports attacks against monitored systems/networks
When implementing protocols - what stack should be used?
Program infector
A network protocol
IDS
9. Netmasks or subnets provide a method for identifying what portion of an address is the network - and what portion is the host
A netmask
Kismet
The goals of cryptography
Hubs
10. Resource exhaustion like DDoS or fork attack - unexpected input value the machine does not know how to process
Plaintext
Denial of service
3-way handshake
Types of viruses
11. -Malicious code might execute destructive overwrite to hard disks -Malicious mas mailing code might expose sensitive information to the internet - web server compromise might expose organization to ridicule - Web server compromise might expose custom
Some external threat concerns
Alteration of code
Log monitoring work?
Some malware propagation techniques
12. Personal area network - phone tethering - bluetooth - etc
Honeyd
CIDR
PAN
Trojan horse
13. Unencrypted message in its original form
A netcat listener
Honeyd
Plaintext
Some malware capabilities
14. 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.
A netcat listener
Some network design objectives
Smurf attack
Brute force
15. Switches along the path can be requested to allocate the desired amount of bandwidth. If the circuit has the required bandwidth - the circuit is set up.
The CIA triad
Firewall
When setting up a virtual circuit
Deep packet inspection
16. Uses a 1 to 1 substitution of arbitrary numbers - given a one character mapping - you cannot determine the key
Arbitrary substitution
The session layer
The three goals of security
Switches
17. Message in its encrypted form
Ciphertext
Logic bomb
Network stumbler
Some external threat concerns
18. 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 other UDP based protocols
Deep packet inspection
A netcat listener
19. Free linux WLAN analysis tool - completely passive - cannot be detected - supports advanced GPS integration and mapping features - used for wardriving - WLAN vulerability assessment
Kismet
Buffer overflow
Some malware capabilities
Ack Piggybacking
20. It interacts with data and prepares it to be transmitted across the network. It ensures reliable connectivity from end-to-end
The different cable categories
Plaintext
Risk
The transport layer
21. removable media - email attachments - web browsing - social networking - network vulnerabilities - IM applications - p2p
File Integrity checking work
Some malware propagation techniques
Some network design objectives
Smurf attack
22. Strips OS commands and characters from input - avoid making system calls from within the app * especially based on user input
The OSI model
OS Command Injection defenses
3-way handshake
What range is a class A network?
23. flags anomalous conditions in traffic on the network - requires understanding on what is normal - bases good traffic as a baseline
Rootkit
Permutation
Anomaly analysis work
Bridge
24. ATM supports two types of virtual circuits: permanent virtual circuits and switches virtual circuit - PVC is set up in advance - usually manually - SVC is established automatically through a signaling protocol and can be created on the fly - establis
Types of ATM virtual circuits
File integrity checking work
The CIA triad
Rotation?
25. It interacts with the application layer to determine which network services will be required
Snort
the application layer
Brute force
Risk
26. keeps the same letters - but changes the position within the text - easy to break - can be combined with substitution
Permutation
Some network design objectives
The goals of cryptography
Log monitoring work?
27. True positive - false positive - true negative - false negative
The four types of events reported by IDS
The difference in stacks
Arbitrary substitution
The threat vector analysis in defense in depth
28. Attacks systems through known vulnerabilities - automatically scans for more systems to attack - lowers system defenses - installs rootkit or root shell - opens up back doors - self contained malware that can copy itself
Some firewall benefits
Worms
3-way handshake
Anomaly analysis work
29. Switches networks make it difficult to monitor traffic in promiscuous mode - topology must be able to support traffic aggregation for monitoring
WAN
OS Command Injection defenses
Some NIDS topology limitations
Trojan horse
30. Common backdoor to open a port - port scan scans for open ports on remote host - scans 0 - 65 -535 twice. TCP and UDP
Port scan
The session layer
Trap door
Types of ATM virtual circuits
31. Relies on executable code insertion and user interaction to spread
Proxy or application gateway
The threat vector analysis in defense in depth
Parasitic malware
Internet
32. CIDR is a shorthand way of specifying which portion of the address is the network - and which portion is the host
Total cell size for asynchronous transfer mode (ATM)
Shallow packet inspection
The conficker worm
CIDR
33. 128.0.0.0 through 191.255.255.255 - with a subnet mask of 255.255.0.0
MAN
What primary threats should be protected against
What range is a class B network?
Some firewall challenges
34. Infects MBR - no network spreading potential
Internet
Risk
The Information Centric defense in depth
Boot record infector
35. 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
A blind FTP
File Integrity checking work
A netmask
Address Resolution Protocol (ARP)
36. local area network - small network confined to small location - all equipment owned by a single entity - vulnerable to inside threats and logic bombs
LAN
Race conditions
The five threat vectors
Bus Topology
37. Simple attack done by simply browsing available information that's allowed on a local network.
Race conditions
A network protocol
Browsing attack
Asynchronous Transfer Mode
38. Trivial File Transfer Protocol - method to transfer files from one device to another without needing authentication
The three goals of security
Multi protocol label switching
The transport layer
TFTP
39. UDP based infection - infected through vulnerability in SQL server - caused DoS on saturated networks
When setting up a virtual circuit
The goals of cryptography
SQL Slammer Worm
Some NIDS topology limitations
40. 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?
3-way handshake
The four basic approaches to defense in depth
Switches
41. 1. physical 2. data 3. network 4. transport 5. session 6. presentation 7. application
Stateless packet filter
The OSI Protocol Stack
When talking about protocols and referencing layers - what stack is used
Switches
42. Metropolitan area network - spans across city or town - larger than a LAN - uses fiber for backbone
CIDR
The five threat vectors
MAN
Some external threat concerns
43. Parasitic malware - boot record infector - macro - COM/Script program infector - EXE program infector
Some common TCP ports
Snort
Types of viruses
IDS not
44. War dialing - war driving - Sniffing - eavesdropping - dumpster diving - social engineering
ACK piggybacking
Some Pen Test techniques
Snort
Worms
45. A sends a SYN packet to B - B acknowledges with a SYN/ACK - A replies with ACK
COM/Script program infector
3-way handshake
What's a VLAN
The threat vector analysis in defense in depth
46. 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
Worms
EXE program infector
Macro virus
The Uniform Protection to defense in depth
47. Confidentiality - integrity - availability
File Integrity checking work
The CIA triad
Worms
Integrity of Data
48. destruction of data - leaking confidential information - providing backdoor access
the application layer
Some malware capabilities
3-way handshake
File Integrity checking work
49. Stateful firewalls maintain state of traffic flows
Some firewall challenges
A network protocol
Stateful firewall
Bus Topology
50. Prepends to the beginning of the file and gains control when the first instruction of the infected COM file is executed - appending to the end - virus writes its payload to the end and inserts jump instruction as the first instruction - which execute
Address resolution protocol
What range is a class A network?
Buffer overflow
COM/Script program infector