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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. Uses flow control to handle network congestion - can send larger amounts of data per packet - has guaranteed delivery of transmitted data - better protection against spoofing - reduces need for error checking at higher OSI layers
Some reasons to use TCP over UDP
Risk
Integrity of Data
The Information Centric defense in depth
2. Used for connecting two physical segments of a network - segments traffic - breaks up collision domains - not generally used because of switches
Best way to protect wireless networks
Bridge
Vulnerabilities
Stateless packet filter
3. 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
The data link layer
Logic bomb
IDS
Macro virus
4. Metropolitan area network - spans across city or town - larger than a LAN - uses fiber for backbone
MAN
Address Resolution Protocol (ARP)
Brute force
Multi protocol label switching
5. destruction of data - leaking confidential information - providing backdoor access
Some external threat concerns
What range is a class B network?
To close a TCP session
Some malware capabilities
6. Relies on executable code insertion and user interaction to spread
Network stumbler
Parasitic malware
ACK piggybacking
The session layer
7. Take the file and try to compress it. If it compresses - it means there is a pattern and it's more easily crackable
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8. 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
Some network design objectives
The network layer
Address resolution protocol
Honeyd
9. Physical layer - Data link layer - Network Layer - Transport Layer - Session Layer - Presentation Layer - Application Layer
The OSI model
Risk
The Uniform Protection to defense in depth
What ways should the crypto key be protected?
10. 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
Permutation
Stateless packet filter
Hping
Bus Topology
11. Full open - half open (stealth scan) - UDP - Ping
Nmap scanning techniques
IDS signature analysis work
Hubs
SYN flood
12. 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
Smurf attack
Logic bomb
What categories do vulnerabilities fall into?
Types of ATM virtual circuits
13. 1.0.0.0 through 127.255.255.255 - subnet mask starts at 255.0.0.0
When implementing protocols - what stack should be used?
What range is a class A network?
A blind FTP
Honeypot
14. Free linux WLAN analysis tool - completely passive - cannot be detected - supports advanced GPS integration and mapping features - used for wardriving - WLAN vulerability assessment
Trojan horse
Deep packet inspection
Types of viruses
Kismet
15. 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
Denial of service
IDS data normalization
The OSI model
UDP packet headers
16. 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
Some Pen Test techniques
WAN
Parasitic malware
Social engineering
17. A TCP version of ping - sends custom TCP packets to a host and listens for replies - enables port scanning and spoofing simultaneously
COM/Script program infector
Some honeypot advantages
Hping
Alteration of code
18. Provides insight into the tactics - motives - and attacker tools
Integrity of Data
A network protocol
Some honeypot advantages
Anomaly analysis work
19. Slow - requires stateful data tracking - inspects all fields - including variable-length fields
Trap door
The Information Centric defense in depth
Smurf attack
Deep packet inspection
20. Four layers - Network Layer - Internet Layer - Transport Layer - Application layer
The TCP/IP model
Bridge
Wardriving
What range is a class A network?
21. keeps the same letters - but changes the position within the text - easy to break - can be combined with substitution
Address resolution protocol
Logic bomb
What range is a class A network?
Permutation
22. local area network - small network confined to small location - all equipment owned by a single entity - vulnerable to inside threats and logic bombs
LAN
Plaintext
The presentation layer
Honeyd
23. A cracking tool inserted into the OS that allows the attacker to do as they please.
Network stumbler
The session layer
Rootkit
Hubs
24. Combines the functionality of a hub and bride into a single device - keeps track of MACs attached to each port
The OSI Protocol Stack
The TCP/IP model
Switches
Types of ATM virtual circuits
25. Infects the EXE and make them operate slightly different - when infected - exe header sizes are altered to point to the appended viral code
EXE program infector
To establish a TCP session
Types of ATM virtual circuits
Worms
26. Unencrypted message in its original form
Rootkit
Some other UDP based protocols
Plaintext
What range is a class A network?
27. 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
SQL Slammer Worm
Log monitoring work?
Address resolution protocol
War Dialing
28. 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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29. Program disguised as something helpful - only to perform actions the user did not intend. Opening ports - installing other programs - etc.
Log monitoring work?
Ack Piggybacking
Trojan horse
Proxy or application gateway
30. 20 - FTP data - 21 - FTP - 23 - Telnet - 25 - SNMP - 53 - DNS - 79 - Finger - 80 - HTTP - 110 - POP - 443 - HTTPS
To close a TCP session
Firewall
The OSI model
Some common TCP ports
31. Unified data carrying service - replacing from replay and ATM
SQL Slammer Worm
WAN
Multi protocol label switching
Permutation
32. Means multiple iterations won't matter. If you encrypt with a key - then re-encrypt - it's the same as using one key.
Rootkit
Ciphertext
MAN
Group
33. It handles the establishment and maintenance of connections between systems
Some ways to bypass firewall protections
A netmask
Some Pen Test techniques
The session layer
34. flags anomalous conditions in traffic on the network - requires understanding on what is normal - bases good traffic as a baseline
Anomaly analysis work
The four basic approaches to defense in depth
When talking about protocols and referencing layers - what stack is used
Arbitrary substitution
35. Strips OS commands and characters from input - avoid making system calls from within the app * especially based on user input
Hping
To close a TCP session
The four types of events reported by IDS
OS Command Injection defenses
36. 53 bytes - 48 bytes for data - 5 bytes for the header
Brute force
The session layer
Total cell size for asynchronous transfer mode (ATM)
War Dialing
37. A sends a SYN packet to B - B acknowledges with a SYN/ACK - A replies with ACK
3-way handshake
Program infector
The different cable categories
Risk
38. 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.
Address resolution protocol
When setting up a virtual circuit
Buffer overflow
Ciphertext
39. It makes sure the data sent from one side to the other is in a format useful to the other side
What range is a class A network?
TFTP
Address Resolution Protocol (ARP)
The presentation layer
40. Identify critical assets and provide layered protection - data is accessed by applications - applications reside on hosts - hosts operate on networks
The Information Centric defense in depth
Race conditions
Best way to protect wireless networks
Hubs
41. Syn - Syn/Ack - Ack
To establish a TCP session
Trap door
Honeypot
Ack Piggybacking
42. Malware - insider threat - natural disaster - terrorism - pandemic
What primary threats should be protected against
Some reasons to use UDP over TCP
Some reasons to use TCP over UDP
Overview of TCP
43. Good for multimedia - can use small single packets - multicasting is required - speed is the highest priority
A network protocol
The physical layer stack
Some reasons to use UDP over TCP
Some external threat concerns
44. 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.
ATM work
Ack Piggybacking
Smurf attack
Wardriving
45. Protected at rest - protected in transit - secure the key
What ways should the crypto key be protected?
NAC
MAN
Trap door
46. free windows based wireless scanner for 802.1b - detects access point settings - supports GSP integration - identifies networks as encrypted or unencrypted
The OSI model
What range is a class B network?
Network stumbler
SQL Slammer Worm
47. CIDR is a shorthand way of specifying which portion of the address is the network - and which portion is the host
COM/Script program infector
File Integrity checking work
CIDR
WAN
48. Application layer attacks may get through - dialup - VPN - extranet connections may bypass firewalls
Ack Piggybacking
What categories do vulnerabilities fall into?
Anomaly analysis work
Some firewall challenges
49. One is for talking - one is for implementing
The difference in stacks
Bridge
SQL Slammer Worm
Trap door
50. 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
Some disadvantages of honeypots
Checksum in UDP
IDS signature analysis work
Nmap