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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 wireless security standard that uses AES in CBC mode.






2. Uses tunneling protocols and encryption to provide a secure network connection between two network hosts. Private and secure connections can be made across an unsecured network. Example protocols are PPTP - L2TP - and IPSec.






3. Server that can be configured to hang up and call back remote users - but this can be compromise by enabling call forwarding.






4. 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






5. 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.






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






7. Type of network that allows large IP ranges to be divided into smaller - logical - and easier to maintain network segments.






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






9. 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.






10. Standard that outlines wireless personal area network (WPAN) technologies.






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






12. Type of firewall that lies between the perimeter router and and LAN.






13. 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.






14. Wireless communication that distributes individual signals across the allocated frequencies.






15. The original technique to digitized voice with 8 bits of sampling 8 -000 times per second - which yields 64 Kbps for one voice channel.






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






17. Device used within companies to provide multiple services to users throughout a building or facility. Example - dialing 9 to place outbound phone calls. Security concerns: default configurations and passwords - maintenance modems disabled - unused co






18. Wireless standard that will improve security of wireless communication






19. 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.






20. Malware attack that sends commands inside of an ICMP packet.






21. 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.






22. 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.






23. 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.






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.






25. Wireless communication that applies sub-bits to a message (chips) and the receiver uses the chips to re-assemble the message based on the chipping code. It uses all available bandwidth - high throughput of 11Mbps.






26. Type of topology that where all computers are connected to a central device (AKA hub) - which provides more resilience for the network.






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






28. 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.






29. 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.






30. Standard for transmitting data across the Internet. One is reliable and connection oriented. The other is unreliable and connectionless.






31. Combines voice and data over the same IP network media and protocol. Reduces the cost of implementing and maintaining two different networks.






32. Premium service offered by service providers in frame relay networks that guarantees a company a specified amount of bandwidth.






33. 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.






34. Strengths of a type of firewall: application independence - high performance - and scalability. Weaknesses include low security - no protection above the network layer.






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






36. Protocol that is used by remote users to authenticate over PPP lines. Sends passwords over clear text. Vulnerable to MITM attacks.






37. Protocol for allowing multi-cast (one to many) communication






38. 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






39. Network segment name for a DMZ created by two physical firewalls.






40. Identifys a WLAN. Can be used to segment environments into different WLANS.






41. The well known values range from 0-1023. FTP runs on 20 and 21 - SMTP runs on 25 - TFTP runs on 69 - DNS runs on 53 - HTTP runs on 80 - HTTPS runs on 443 - SNMP runs on 161.






42. Type of network device that links 2 or more network segments - where each segment can function as an independent network. Works at the network layer - works with IP addresses - and has more network knowledge than the other hardware.






43. Communication devices that determine synchronization scheme before data transmission.






44. 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).






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






46. If the packet header information is used to determine destinations rather than the routes configured into the router. Packets with this information should be dropped.






47. Firewall that does not require a proxy for each service; does not provide detailed access control; but does provide for a wider range of protocols.






48. Protocol where all computers compete for the shard network cable - listen to learn when they can transmit data - susceptible to data collisions. Used by Ethernet.






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






50. Both directions - only one application can send information at a time







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