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CISSP Telecom And Network Security

Instructions:
  • Answer 50 questions in 15 minutes.
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  • 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 cable that is more expensive than UTP and STP - more resistant to EMI - can carry baseband and board band technologies.






2. 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.






3. Standard that addresses wireless MAN technologies.






4. Both directions - both applications can send information at a time. Session Layer Communication Modes






5. Type of topology where computers all are connected to each other - which provides redundancy.






6. 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






7. New variant to traditional email spam on VoIP networks.






8. A packet switching technology that is used by telecommunication services for data-only traffic. It is a subscriber based service that operates within the network and data link layers.






9. Type of cabling problem where data is corrupted going from end to end due to surrounding devices.






10. A Temporary circuit set up for a single connection. Set up and torn down as they are needed.






11. This dedicated connection provides 45Mbps of bandwidth over 28 T1 lines and 672 time divided channels.






12. Protocol based on the first version - however this version allows for fixed bandwidth to be allocated for specific applications.






13. Protocol that translates a MAC address into an IP address.






14. VPN protocol that works at the data link layer - can only run in IP networks - and provides encryption and encapsulation. This is Microsoft's VPN solution.






15. Type of ethernet implementation that uses a thicker coaxial cable - which allows a longer cable length to be used.






16. Type of LAN and MAN technology - usually used for backbones - that uses token-passing technology and has redundant rings in case the primary ring goes down.






17. Spam over IM






18. Protocol that increases address size from 32 bits to 128 bits






19. OSI layer that has services and protocols required by the user's applications for network functionality. Example protocols include HTTP - SMTP - FTP - Telnet.






20. Type of ethernet implementation that uses a standard coaxial cable with a maximum cable length of 185 meters. 10Mbps.






21. Strengths of a type of firewall: Better security than packet filtering. Looks at all info in the packet - up to the application layer. Breaks the connection between trusted and untrusted systems. Weaknesses include limited number of applications supp






22. Used when companies do not want systems to know internal hosts IP addresses. Enables companies to use private - nonroutable IP addresses.






23. Type of ethernet implementation that uses twisted-pair copper wiring and transmits at 100Mbps.






24. Type of network device that allows different network segments and/or systems to communicate. When communication takes place - a dedicated connection is set up - so collision and broadcast data is not available to other devices. Combined repeater (hub






25. Protocol that translates IP address into a MAC address (physical Ethernet address)






26. These are used to connect multiple switches for traffic of the same classification. Example - two voice switches at a local phone company's central office.






27. Set of rules that dictates how computer communicate over networks.






28. Type of topology that Uses linear single cable for all computers attached. All traffic travels full cable and can be viewed by all other computers.






29. Type of firewall that is also know as a screening router and is accomplished by ACL's (Lines of text called rules). Traffic can be filtered by address - ports - and protocol types. 1st generation firewall - runs at the network layer.






30. Used when a LAN device needs to communicate with WAN devices over telephone lines. Ensures the necessary electrical signaling and format are used. Interfaces with Data Terminal Equipment (DTE) and Data Circuit-Terminal Equipment (DCE).






31. Older LAN implementation that uses a token-passing technology. Can send a beacon frame to indicate that a certain computer is failing and its neighbors should reconfigure and work around the detected fault.






32. Communication process that must deliver data with set time constraints. Applications are typically video related where audio and must match perfectly. VoIP is another example.






33. Type of network device that divides networks into more controllable segments to ensure more efficient use of bandwidth. Works at the data link layer and understands MAC addresses - not IP addresses.






34. Type of topology where all computers are connected by a unidirectional transmission link - and the cable is in a closed loop.






35. Type of cable where STP and UTP (shielded and unshielded) cables are the most popular - cheapest - and easiest to work with. However - easiest to tap into - have cross talk issues - and are vulnerable to electromagnetic interference (EMI).






36. Type of firewall that keeps track of each communication session. It must maintain a state table that contains data about each connection. 3rd generation firewall - runs at the network layer.






37. 7: Application - 6: Presentation - 5: Session - 4: Transport - 3: Network - 2: Data Link - 1: Physical - Remember 'All People Seem To Need Data Processing'






38. Wireless standard that will improve security of wireless communication






39. Protocol that is best-effort - connectionless - and does not sent acknowledgements.






40. 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.






41. Communication devices that are not synchronized - meaning all devices can send data at will - send a sequence of bits framed with a start and stop bit.






42. VPN protocol that works at the network layer - handles multiple connections - provides secure authentication and encryption. Tunnel mode option (payload and header encrypted) - or transport mode (only payload is encrypted).






43. Protocol that addresses vulnerabilities found in PAP. Uses challenge/response mechanism to authenticate the user instead of sending password.






44. Developed to replace the aging telephone and analog systems. BRI rate that uses two B channels (send/receive) - and one D channel (control information) - and PRI rate that uses up to 23 B channels. Supports voice - data - and video. Provides up to 1.






45. Type of cabling problem where loss of signal strength occurs as it travels due to cable exceeding its recommended length.






46. Altering an ARP table so an IP address is mapped to a different MAC address. Results in traffic being routed to an attacker's computer.






47. This is a standard for fiber-optic cabling and uses self-healing network rings. This standard describes the interfaces that can be used over fiber lines and the signaling that can be employed. Works at the physical layer of the OSI model.






48. Protocol that transfers data in fixed cells (53 bytes) - is a WAN technology - and transmits data at very high rates. Supports voice - data - and video applications.






49. Type of cabling problem signals from one wire crossing over to another wire.






50. This dedicated connection provides up to 1.544 Mbps bandwidth over 1 T1 and 24 time divided channels.







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