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. Netmasks or subnets provide a method for identifying what portion of an address is the network - and what portion is the host
Deep packet inspection
A netmask
the application layer
When setting up a virtual circuit
2. Replicates traffic onto all ports - no traffic monitoring - cannot control which ports should or shouldn't receive frames - forming a large collision domain.
PAN
The threat vector analysis in defense in depth
Hubs
Some other UDP based protocols
3. Metropolitan area network - spans across city or town - larger than a LAN - uses fiber for backbone
Parasitic malware
MAN
What range is a class A network?
Log monitoring work?
4. 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
Firewall
Nmap
Worms
To establish a TCP session
5. Syn - Syn/Ack - Ack
Logic bomb
To establish a TCP session
The TCP/IP model
Honeypot
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
Logic bomb
The CIA triad
IDS data normalization
Buffer overflow
7. The practice of sending an ACK inside another packet going to the same destination
Some reasons to use TCP over UDP
What primary threats should be protected against
Types of ATM virtual circuits
ACK piggybacking
8. Protected at rest - protected in transit - secure the key
Program infector
What ways should the crypto key be protected?
The TCP/IP model
Ack Piggybacking
9. Protects internal/external systems from attack - filters communications based on content - performs NAT - encrypts communications for VPN - logging to aid in intrusion detection
The difference in stacks
The protected enclave to defense in depth
Ciphertext
Some firewall benefits
10. 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.
Address resolution protocol
The presentation layer
Smurf attack
IDS data normalization
11. Full open - half open (stealth scan) - UDP - Ping
Nmap scanning techniques
Internet
The data link layer
ATM work
12. An FTP that allows downloads only if the user knows the exact name of the file they're looking for
Some firewall benefits
A netcat listener
Logic bomb
A blind FTP
13. A TCP version of ping - sends custom TCP packets to a host and listens for replies - enables port scanning and spoofing simultaneously
Hping
NIDS advantages
Some malware propagation techniques
Ack Piggybacking
14. free windows based wireless scanner for 802.1b - detects access point settings - supports GSP integration - identifies networks as encrypted or unencrypted
Best way to protect wireless networks
Bus Topology
Network stumbler
COM/Script program infector
15. Uses a 1 to 1 substitution of characters - rotate the alphabet by 'n' number of characters - rot+X means rotate the letters X characters
Trap door
ACK piggybacking
Some other UDP based protocols
Rotation?
16. Simple attack done by simply browsing available information that's allowed on a local network.
What categories do vulnerabilities fall into?
Total cell size for asynchronous transfer mode (ATM)
When setting up a virtual circuit
Browsing attack
17. Handles the network address scheme and connectivity of multiple network segments. It handles communication.
Buffer overflow
Some honeypot advantages
The network layer
The different cable categories
18. It allows the transport layer to detect when the UDP headers or the payload have been modified in transit
Logic bomb
Checksum in UDP
NAC
Browsing attack
19. Migrate to WPA2 - use strong authentication like PEAP or TTLS - audit network installations - require mutual auth between client and infrastructure equipment
Program infector
SQL Slammer Worm
ATM work
Best way to protect wireless networks
20. Trivial File Transfer Protocol - method to transfer files from one device to another without needing authentication
Vulnerabilities
NAC
When setting up a virtual circuit
TFTP
21. flags anomalous conditions in traffic on the network - requires understanding on what is normal - bases good traffic as a baseline
Anomaly analysis work
A network protocol
The Information Centric defense in depth
The five threat vectors
22. risk = threat x vulnerability - impossible to eliminate - security is an exercise in loss reduction
Some FTP dangers
Shallow packet inspection
Arbitrary substitution
Risk
23. Personal area network - phone tethering - bluetooth - etc
What primary threats should be protected against
Arbitrary substitution
Port scan
PAN
24. Used for connecting two physical segments of a network - segments traffic - breaks up collision domains - not generally used because of switches
Bridge
Honeyd
Datagram length of a UDP packet
DDoS attack
25. Multiple levels of protection must be deployed - an exercie in detection - measures must be across a wide range of controls - compromises happen when people leave sites - risk - CIA triad - strategies
Defense in depth
Snort
What threats should be protected against - based on threat levels
The Information Centric defense in depth
26. Provides insight into the tactics - motives - and attacker tools
Some honeypot advantages
WAN
The protected enclave to defense in depth
Honeypot
27. 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
Some reasons to use UDP over TCP
When implementing protocols - what stack should be used?
The conficker worm
Log monitoring work?
28. 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.
IDS data normalization
WAN
When setting up a virtual circuit
No State Inspection ACK flag set
29. Network traffic to the host - typically listens on all interface - uses signature analysis to identify events of interest
HIDS monitor
The four basic approaches to defense in depth
Some FTP dangers
No State Inspection ACK flag set
30. It interacts with data and prepares it to be transmitted across the network. It ensures reliable connectivity from end-to-end
The transport layer
Rootkit
Vulnerabilities
Log monitoring work?
31. low interaction production honeypot - network daemon that can simulate other hosts - each host can appear as a different OS
Browsing attack
A network protocol
NIDS advantages
Honeyd
32. Not a replacement for firewalls - hardening - strong policies - or other DiD methods - low maintenance - inexpensive
Trojan horse
IDS not
Boot record infector
Some malware capabilities
33. 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.
Buffer overflow
Alteration of code
Address resolution protocol
Race conditions
34. Free linux WLAN analysis tool - completely passive - cannot be detected - supports advanced GPS integration and mapping features - used for wardriving - WLAN vulerability assessment
Kismet
Boot record infector
When talking about protocols and referencing layers - what stack is used
The four basic approaches to defense in depth
35. An appliance that controls access between public internet and a companies private network - or between a PC NIC and the rest of the PC.
The CIA triad
Deep packet inspection
Internet
Firewall
36. 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?
Checksum in UDP
Some common UDP ports
Bus Topology
37. Infected millions through various methods - vulnerability in the MS Server Service - brute force admin password through network shares - infect removable devices with a malicious autorun script
Browsing attack
The conficker worm
Some NIDS topology limitations
NIDS challenges
38. 1. physical 2. data 3. network 4. transport 5. session 6. presentation 7. application
The OSI Protocol Stack
The four basic approaches to defense in depth
What range is a class C network?
HIDS monitor
39. Improper deployment can increase attack risk - if production systems aren't sufficiently protected - they can be vulnerable from a honeypot - legal liability
Race conditions
Some disadvantages of honeypots
COM/Script program infector
Address Resolution Protocol (ARP)
40. Bits of code embedded in programs to quickly gain access at a later time
Total cell size for asynchronous transfer mode (ATM)
Nmap
Trap door
Switches
41. Resource exhaustion like DDoS or fork attack - unexpected input value the machine does not know how to process
DDoS attack
Arbitrary substitution
Denial of service
Some malware propagation techniques
42. War dialing - war driving - Sniffing - eavesdropping - dumpster diving - social engineering
A blind FTP
Some Pen Test techniques
Some other UDP based protocols
Some common TCP ports
43. 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
SYN flood
Remote maintenance
Macro virus
44. packet filter firewalls rely on TCP flags to determine connection state. Attacker can send ACK packets only to bypass firewall.
File integrity checking work
To establish a TCP session
Alteration of code
No State Inspection ACK flag set
45. Uses inclusive or exclusive lists - inclusive analysis utilizes a list of keywords - exclusive analysis utilizes a list of events that can be ignored
Log monitoring work?
Worms
War Dialing
The goals of cryptography
46. 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
Social engineering
Nmap
Some malware propagation techniques
Permutation
47. 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
IDS
SYN flood
ACK piggybacking
What threats should be protected against - based on threat levels
48. Means multiple iterations won't matter. If you encrypt with a key - then re-encrypt - it's the same as using one key.
SYN flood
Smurf attack
Group
Ciphertext
49. A sends a SYN packet to B - B acknowledges with a SYN/ACK - A replies with ACK
Some ways to bypass firewall protections
The conficker worm
CIDR
3-way handshake
50. 192.0.0.0 through 223.255.255.255 - subnet mask of 255.255.255.0
A netmask
The three goals of security
What ways should the crypto key be protected?
What range is a class C network?