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Test your basic knowledge |
CISSP Telecom And Network Security
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Subjects
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certifications
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it-skills
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cissp
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. Type of firewall that Inspects incoming/outgoing messages for malicious information. If approved - transfers an isolated copy from one network to another. 2nd generation firewall.
OSI Layer 7: Application
Blue Boxing
Proxy Firewall
Simplex: One direction.
2. Type of ethernet implementation that uses a standard coaxial cable with a maximum cable length of 185 meters. 10Mbps.
Token Ring (802.5)
Circuit Level Proxy Firewall
ThinNet - aka 10base2
Point-To-Point Tunneling Protocol (PPTP)
3. Protocol that addresses vulnerabilities found in PAP. Uses challenge/response mechanism to authenticate the user instead of sending password.
TCP/IP. TCP is reliable and connection oriented - IP is unreliable and connectionless.
Challenge Handshake Authentication Protocol (CHAP)
Committed Information Rate (CIR)
Spam over Internet Telephony (SPIT)
4. Problems: If one station experiences a problem - it can negatively affect surrounding computers on the same cable.
Asynchronous Transfer Mode (ATM)
Application Proxy vs. Circuit Level
T3
Bus Topology
5. Protocol based on the first version - however this version allows for fixed bandwidth to be allocated for specific applications.
FDDI-2
Blue Boxing
Permanent Virtual Circuit (PVC)
Layers in the OSI Model
6. Type of cable that is more expensive than UTP and STP - more resistant to EMI - can carry baseband and board band technologies.
Trunk Lines
Coaxial Cables
High Level Data Link Control (HLDC)
Isochronous Communication Processes
7. Type of firewall that looks at header information to make decisions on whether a packet is deemed acceptable. This type does not look as deep within the packet as an application level proxy - runs at the session layer.
802.15
Cable Modem
Circuit Level Proxy Firewall
SPIM
8. Type of wireless authentication where the device does not need to provide a key for authentication. Usually - only the SSID is required and plaintext transmission occurs.
ARP (Address Resolution Protocol)
Permanent Virtual Circuit (PVC)
Open System Authentication (OSA)
Screened Host Firewall
9. Wireless standard that will improve security of wireless communication
802.11i
Distributed Environment Challenge
Pulse Code Modulation (PCM)
Fiber-optic Cables
10. Protocol that increases address size from 32 bits to 128 bits
IGMP
Synchronous Data Link Control (SDLC)
Serial Line Internet Protocol (SLIP)
IPv6
11. Network cabling that is placed in these types of areas must meet a specific fire rating. These cables typically have a jacked cover made of fluoropolymers.
Plenum-rated Cables
Layers in the OSI Model
SPIM
Noise
12. OSI layer that prepares data for the network medium by framing it into LAN/WAN frames. Defines how the physical layer transmits the network packets. Protocols at this layer ARP (Address Resolution Protocol) - RARP (Reverse Address Resolution Protocol
Token Ring (802.5)
OSI Layer 2: Data Link Layer
Packet Filtering Firewall
OSI Layer 4: Transport Layer
13. Both directions - only one application can send information at a time
Synchronous Data Link Control (SDLC)
Proxy Firewall
Half-Duplex
Plenum-rated Cables
14. Works like a private line for a customer with an agreed upon bandwidth. Path is programmed into the WAN devices.
Permanent Virtual Circuit (PVC)
Reverse Address Resolution Protocol (RARP )
Port Numbers
Screened Sub-Net
15. In the OSI layer 5 - these are the types of what?
Virtual Private Network (VPN)
802.16
Simplex: One direction.
OSI Layer 3: Network Layer
16. Most expensive type of WAN connection because the fee is based on distance between the two points rather than the amount of bandwidth used. Examples - T1 and T3.
Dynamic Packet Filtering
Wired Equivalent Privacy (WEP)
Dedicated Links
Proxy Firewall Strengths
17. Both directions - both applications can send information at a time. Session Layer Communication Modes
Bluejacking
OSI Layer 2: Data Link Layer
Multistation Access Unit (MAU)
Full-Duplex
18. Protocol that translates a MAC address into an IP address.
ARP (Address Resolution Protocol)
Plenum-rated Cables
Reverse Address Resolution Protocol (RARP )
LLC (Logical Link Control - 802.2)
19. A technique that allows multiple layers of nesting. Example - IPSec tunnel can originate or terminate at a different IPSec site along the way.
Iterated Association
Commonly used in Ethernet.
Point-To-Point (PPP)
Synchronous Optical Networks (SONETS)
20. Dynamically builds ACL's to allow internal systems to communicate with external systems. Once the connection is finished - the ACL is removed from the list. 4th generation firewall.
802.16
Dynamic Packet Filtering
Isochronous Communication Processes
Temporal Key Integrity Protocol (TKIP)
21. Type of cabling problem where loss of signal strength occurs as it travels due to cable exceeding its recommended length.
VLAN
Tree Topology
Attenuation
802.11b
22. Wireless LAN standard that operates in a 2.4Ghz range - 11Mbps - DSSS
TCP
DNS (Domain Name System)
802.11
802.11b
23. Security wireless standard that rotates encryption keys - stronger IV values - MAC codes for packet integrity. Works in combination with WEP.
Router
ThickNet - aka 10base5.
IPSec
Temporal Key Integrity Protocol (TKIP)
24. More complexity and drastically increases the difficultly of access control. Many different devices - services - and users make it difficult to know which entities to trust and to what degree.
IPSec
Iterated Association
Distributed Environment Challenge
TCP
25. A simplified version of X.25 - without the error checking that was done on the network. It handles error checking at the end node - which helps improve speed dramatically.
Dynamic Packet Filtering
Frame Relay
Subnetting
Reverse Address Resolution Protocol (RARP )
26. Type of network layout that is a large geographical region connecting more that one LAN.
Bluejacking
Wide Area Network (WAN)
Pulse Code Modulation (PCM)
Point-To-Point (PPP)
27. Type of network device that is the simplest type of connectivity because it only repeats and amplifies electric signals between cable segments. Works at the physical layer.
OSI Layer 1: Physical
Repeaters
Switched Virtual Circuit (SVC)
Distributed Environment Challenge
28. Faster because processing is done in the kernel. One network stack is created for each packet. 5th generation firewall - runs at the application layer.
Distributed Environment Challenge
Kernel Proxy Firewall
ThickNet - aka 10base5.
Attenuation
29. Standard that outlines wireless personal area network (WPAN) technologies.
Committed Information Rate (CIR)
Kernel Proxy Firewall
802.15
10baseT
30. Strengths of a type of firewall: application independence - high performance - and scalability. Weaknesses include low security - no protection above the network layer.
Packet Filtering Firewall
Subnetting
Commonly used in logical bus - Ethernet - token ring.
Point-To-Point Tunneling Protocol (PPTP)
31. Type of topology that where all computers are connected to a central device (AKA hub) - which provides more resilience for the network.
Commonly used in logical bus - Ethernet - token ring.
Layer 2 Tunneling Protocol (L2TP)
Session Initiation Protocol (SIP)
Pulse Code Modulation (PCM)
32. Type of cable that carries data as light waves - expensive - can transmit data at high speeds - difficult to tap into - and is resistant to EMI. Most secure cabling option - but vulnerable to dispersion.
Loki Attack
Fiber-optic Cables
Layers in the OSI Model
T1
33. Used when companies do not want systems to know internal hosts IP addresses. Enables companies to use private - nonroutable IP addresses.
Network Address Translator (NAT)
CBC-MAC Protocol (CCMP)
IPv6
Wired Equivalent Privacy (WEP)
34. Wireless communication that distributes individual signals across the allocated frequencies.
Layers in the OSI Model
Port Numbers
Point-To-Point Tunneling Protocol (PPTP)
Spread Spectrum
35. OSI layer that provides end to end transmission between computer systems. Protocols that use this layer are TCP (Transmission Control Protocol) - UDP (User Datagram Protocol) - SPX (Sequenced Packet Exchange) - and SSL.
Bus Topology
Carrier sense multiple access with collision detection (CSMA/CD)
OSI Layer 4: Transport Layer
OSI Layer 5: Session Layer
36. Communication devices that determine synchronization scheme before data transmission.
Packet Filtering Firewall
OSI Layer 6: Presentation
Synchronous Communication
Screened Sub-Net
37. Type of wireless authentication where a shared WEP key is used to encrypt a nonce for authentication.
Spread Spectrum
Shared Key Authentication (SKA)
802.11b
Password Authentication Protocol (PAP)
38. VPN protocol that can run in other networks (frame relay - X.25 - ATM). Does not provide encryption - lacks the security to be called a true "VPN" solution.
Frame Relay
Asynchronous Transfer Mode (ATM)
Layer 2 Tunneling Protocol (L2TP)
Commonly used in Ethernet.
39. OSI layer that formats data into a standardized format and deals with the syntax of data - not the meaning. Example formats are ASCII - GIF - JPG - MPEG.
Pulse Code Modulation (PCM)
OSI Layer 6: Presentation
Permanent Virtual Circuit (PVC)
Repeaters
40. Standard for transmitting data across the Internet. One is reliable and connection oriented. The other is unreliable and connectionless.
OSI Layer 1: Physical
T3
TCP/IP. TCP is reliable and connection oriented - IP is unreliable and connectionless.
Token Passing
41. Spam over IM
802.11
Frequency Hopping Spread Spectrum (FHSS)
SPIM
Pulse Code Modulation (PCM)
42. OSI layer that has services and protocols required by the user's applications for network functionality. Example protocols include HTTP - SMTP - FTP - Telnet.
Serial Line Internet Protocol (SLIP)
VLAN
Spam over Internet Telephony (SPIT)
OSI Layer 7: Application
43. In a token ring network - each computer is connected to this - which acts as a central hub.
Multistation Access Unit (MAU)
Fiber Distributed Data Interface (FDDI)
ICMP (Internet Control Message Protocol)
Spam over Internet Telephony (SPIT)
44. Protocol that is reliable and connection-oriented - which means it ensures delivery through acknowledgements - sequencing - detection and correction.
LLC (Logical Link Control - 802.2)
Circuit Level Proxy Firewall
TCP
Multistation Access Unit (MAU)
45. The process of simulating a 2600Hz frequency tone - which allowed attackers to gain free long distance phone service.
OSI Layer 3: Network Layer
Blue Boxing
TCP/IP. TCP is reliable and connection oriented - IP is unreliable and connectionless.
VLAN
46. Type of backbone network that joins together LAN to other LANs and WANs to LANs - etc. Typically known as Synchronous Optical Networks (SONETS) or FDDI rings.
OSI Layer 4: Transport Layer
OSI Layer 6: Presentation
Metropolitan Area Network (MAN)
Synchronous Data Link Control (SDLC)
47. Type of cabling problem signals from one wire crossing over to another wire.
TCP/IP. TCP is reliable and connection oriented - IP is unreliable and connectionless.
Reverse Address Resolution Protocol (RARP )
Crosstalk
Multi-protocol Label Switching
48. OSI layer 2 Sub-layers. The first provides a standard interface for the network protocol being used. The second provides a standard interface for the physical layer protocol being used.
Blue Boxing
Screened Sub-Net
LLC (Logical Link Control - 802.2)
Star Topology
49. Protocol for allowing multi-cast (one to many) communication
IGMP
Open System Authentication (OSA)
IPSec
Switch
50. This dedicated connection provides 45Mbps of bandwidth over 28 T1 lines and 672 time divided channels.
Blue Boxing
T3
Router
Switch