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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 agreement on how different computer will work - protocols define the format and order of messages and what to do upon receipt of the messages - basically the rules of the network
What's a VLAN
Checksum in UDP
Some Pen Test techniques
A network protocol
2. 53 - DNS - 67 - BootP - 68 - BootP - 69 - TFTP - 123- NTP - 137-139 NBT - 161 - SNMP - 162 - SNMP - 2049 - NFS
Some common UDP ports
What threats should be protected against - based on threat levels
the application layer
A network protocol
3. Protocol for mapping an IP address to a physical machine address that is recognized on the local network. A table - usually called the ARP cache - is used to maintain a correlation between each MAC and its corresponding IP address
Address resolution protocol
The Uniform Protection to defense in depth
HIDS monitor
Some NIDS topology limitations
4. A cracking tool inserted into the OS that allows the attacker to do as they please.
IDS not
The goals of cryptography
A blind FTP
Rootkit
5. Handles transmissions across the physical media like wires - fiber - etc
The threat vector analysis in defense in depth
Some Pen Test techniques
Wardriving
The physical layer stack
6. A system resource that has no legitimate purpose or reason for someone to connect to it - its purpose is to draw in attackers to understand how they break into a system
The Uniform Protection to defense in depth
Honeypot
IDS
What ways should the crypto key be protected?
7. Malware - insider threat - natural disaster - terrorism - pandemic
Vulnerabilities
Overview of TCP
What primary threats should be protected against
DDoS attack
8. 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
What threats should be protected against - based on threat levels
Smurf attack
Group
The conficker worm
9. An attacker recruits zombie systems ahead of time to simultaneously release a flood of traffic at a specific target.
Risk
Some network design objectives
OS Command Injection defenses
DDoS attack
10. 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?
The CIA triad
The session layer
Group
11. Netmasks or subnets provide a method for identifying what portion of an address is the network - and what portion is the host
The different cable categories
A netmask
Some firewall challenges
The transport layer
12. Good for multimedia - can use small single packets - multicasting is required - speed is the highest priority
Checksum in UDP
Smurf attack
The Information Centric defense in depth
Some reasons to use UDP over TCP
13. 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?
Firewall
Some common UDP ports
What range is a class C network?
14. local area network - small network confined to small location - all equipment owned by a single entity - vulnerable to inside threats and logic bombs
Bus Topology
UDP packet headers
LAN
Trap door
15. 8 bytes per packet - UDP SRC port - UDP DST Ports - UDP length - UDP Checksum
Integrity of Data
To establish a TCP session
UDP packet headers
IDS signature analysis work
16. Uses a 1 to 1 substitution of arbitrary numbers - given a one character mapping - you cannot determine the key
Arbitrary substitution
War Dialing
Some FTP dangers
NAC
17. Known - unknown - zero day
IDS
What categories do vulnerabilities fall into?
What primary threats should be protected against
Some reasons to use TCP over UDP
18. packet filter firewalls rely on TCP flags to determine connection state. Attacker can send ACK packets only to bypass firewall.
No State Inspection ACK flag set
File Integrity checking work
The session layer
3-way handshake
19. 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
Parasitic malware
Some network design objectives
Ciphertext
Rotation?
20. risk = threat x vulnerability - impossible to eliminate - security is an exercise in loss reduction
Risk
Some honeypot advantages
Alteration of code
IDS
21. Provides insight into the tactics - motives - and attacker tools
Some honeypot advantages
SQL Slammer Worm
Shallow packet inspection
Overview of TCP
22. Program disguised as something helpful - only to perform actions the user did not intend. Opening ports - installing other programs - etc.
Trojan horse
Some disadvantages of honeypots
ATM work
Best way to protect wireless networks
23. War dialing - war driving - Sniffing - eavesdropping - dumpster diving - social engineering
Macro virus
Some Pen Test techniques
To establish a TCP session
the application layer
24. 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
Remote maintenance
Multi protocol label switching
File integrity checking work
What's a VLAN
25. A sends a SYN packet to B - B acknowledges with a SYN/ACK - A replies with ACK
OS Command Injection defenses
Social engineering
3-way handshake
Snort
26. 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
SYN flood
Some ways to bypass firewall protections
Switches
Alteration of code
27. 20 - FTP data - 21 - FTP - 23 - Telnet - 25 - SNMP - 53 - DNS - 79 - Finger - 80 - HTTP - 110 - POP - 443 - HTTPS
Ciphertext
Some firewall benefits
Some common TCP ports
Address resolution protocol
28. OSI
Some common UDP ports
When talking about protocols and referencing layers - what stack is used
No State Inspection ACK flag set
Some other UDP based protocols
29. Protocol for mapping an IP address to a physical machine address that is recognized on the local network - A table - usually called the ARP cache - is used to maintain a correlation between each MAC and it's corresponding IP address
Checksum in UDP
The threat vector analysis in defense in depth
Address Resolution Protocol (ARP)
LAN
30. 192.0.0.0 through 223.255.255.255 - subnet mask of 255.255.255.0
What range is a class C network?
SYN flood
Risk
Some firewall challenges
31. Physical layer - Data link layer - Network Layer - Transport Layer - Session Layer - Presentation Layer - Application Layer
Stateless packet filter
Nmap
The OSI model
Deep packet inspection
32. Worms and Wireless - modems - tunnel anything through HTTP - social engineering
The different cable categories
A netmask
Some ways to bypass firewall protections
Boot record infector
33. low interaction production honeypot - network daemon that can simulate other hosts - each host can appear as a different OS
Honeyd
Parasitic malware
Plaintext
The session layer
34. Intellectual property - business goals - validated data - historical
Trojan horse
Some malware capabilities
Network stumbler
What threats should be protected against - based on threat levels
35. 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
Buffer overflow
Firewall
ATM work
Honeypot
36. Means multiple iterations won't matter. If you encrypt with a key - then re-encrypt - it's the same as using one key.
3-way handshake
Group
CIDR
The Information Centric defense in depth
37. A TCP version of ping - sends custom TCP packets to a host and listens for replies - enables port scanning and spoofing simultaneously
Some other UDP based protocols
Bridge
Hping
3-way handshake
38. An FTP that allows downloads only if the user knows the exact name of the file they're looking for
A blind FTP
Some NIDS topology limitations
3-way handshake
NAC
39. 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
A netcat listener
Integrity of Data
Types of viruses
NIDS advantages
40. 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
41. size is whatever the length of the UDP portion of the packet. Could be as large as 65 -535
Datagram length of a UDP packet
Firewall
ATM work
Address resolution protocol
42. Syn - Syn/Ack - Ack
Trap door
File Integrity checking work
To establish a TCP session
The presentation layer
43. 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
Social engineering
Bus Topology
The Information Centric defense in depth
Anomaly analysis work
44. It interacts with data and prepares it to be transmitted across the network. It ensures reliable connectivity from end-to-end
UDP packet headers
The transport layer
Brute force
The CIA triad
45. CIDR is a shorthand way of specifying which portion of the address is the network - and which portion is the host
The Uniform Protection to defense in depth
CIDR
ACK piggybacking
Some types of malicious code
46. Migrate to WPA2 - use strong authentication like PEAP or TTLS - audit network installations - require mutual auth between client and infrastructure equipment
IDS signature analysis work
Best way to protect wireless networks
Group
CIDR
47. Connects the physical part of the network (cables) with the abstract (packets and datastreams)
Switches
The data link layer
Remote maintenance
IDS not
48. 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.
Best way to protect wireless networks
Stateless packet filter
Some other UDP based protocols
Buffer overflow
49. 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
The difference in stacks
Multi protocol label switching
Types of viruses
50. The practice of sending an ACK inside another packet going to the same destination
Rotation?
What primary threats should be protected against
Some firewall benefits
ACK piggybacking