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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 ethernet implementation that uses a thicker coaxial cable - which allows a longer cable length to be used.
Layers in the OSI Model
ThickNet - aka 10base5.
Point-To-Point Tunneling Protocol (PPTP)
OSI Layer 1: Physical
2. Wireless LAN standard that operates in a 2.4Ghz range - 11Mbps - DSSS
Packet Filtering Firewall
Frame Relay
Half-Duplex
802.11b
3. This dedicated connection provides 45Mbps of bandwidth over 28 T1 lines and 672 time divided channels.
Simplex: One direction.
10baseT
T3
Spam over Internet Telephony (SPIT)
4. 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.
OSI Layer 6: Presentation
Commonly used in Internet.
CBC-MAC Protocol (CCMP)
Fiber Distributed Data Interface (FDDI)
5. 7: Application - 6: Presentation - 5: Session - 4: Transport - 3: Network - 2: Data Link - 1: Physical - Remember 'All People Seem To Need Data Processing'
Layers in the OSI Model
Synchronous Communication
Switched Virtual Circuit (SVC)
Direct Sequence Spread Spectrum (DSSS)
6. 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.
T3
Stateful Firewall
LLC (Logical Link Control - 802.2)
Fiber Distributed Data Interface (FDDI)
7. 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.
Digital Subscriber Line (DSL)
Carrier sense multiple access with collision detection (CSMA/CD)
Password Authentication Protocol (PAP)
Application Proxy vs. Circuit Level
8. Transmits high speed bandwidth over phone lines. Provides data rates up to 52 Mpbs using line of 1000 feet or less. Must be within 2.5 miles of a central office.
Repeaters
Digital Subscriber Line (DSL)
OSI Layer 4: Transport Layer
Open System Authentication (OSA)
9. Network where a dedicated virtual link is not set up - and packets can use many different dynamic paths to get to the same destination. This causes variable delays. Examples are frame relay and X.25
Packet Switching
Commonly used in FDDI.
ThinNet - aka 10base2
Network Address Translator (NAT)
10. Problems: If one station experiences a problem - it can negatively affect surrounding computers on the same ring.
Channel Service Unit/Data Service Unit (CSU/DSU)
Synchronous Optical Networks (SONETS)
Ring Topology
Router
11. Blue tooth vulnerability where an attacker sends messages to a receiver that is in discovery mode.
FDDI-2
Frequency Hopping Spread Spectrum (FHSS)
Bluejacking
802.11a
12. Wireless standard that will improve security of wireless communication
802.11b
Token Passing
802.11i
Switched Virtual Circuit (SVC)
13. 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
Loki Attack
Proxy Firewall Strengths
OSI Layer 2: Data Link Layer
CBC-MAC Protocol (CCMP)
14. Both directions - both applications can send information at a time. Session Layer Communication Modes
Full-Duplex
Asynchronous Transfer Mode (ATM)
OSI Layer 3: Network Layer
Carrier sense multiple access with collision detection (CSMA/CD)
15. Protocol that translates IP address into a MAC address (physical Ethernet address)
ICMP (Internet Control Message Protocol)
ARP (Address Resolution Protocol)
Blue Boxing
Point-To-Point Tunneling Protocol (PPTP)
16. Type of firewall that uses a proxy for each service and can understand and make decisions on the protocols used and the commands within those protocols - runs at the application layer.
DOS attacks from flooding
10baseT
Application Proxy Firewall
Distributed Environment Challenge
17. Standard for transmitting data across the Internet. One is reliable and connection oriented. The other is unreliable and connectionless.
Channel Service Unit/Data Service Unit (CSU/DSU)
Token Passing
TCP/IP. TCP is reliable and connection oriented - IP is unreliable and connectionless.
Wide Area Network (WAN)
18. Protocol for allowing multi-cast (one to many) communication
Application Proxy vs. Circuit Level
Ethernet (802.3)
IGMP
Private Branch Exchange (PBX)
19. 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
Private Branch Exchange (PBX)
802.15
Blue Boxing
Circuit Switching
20. 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).
IPSec
Token Ring (802.5)
FDDI-2
Multistation Access Unit (MAU)
21. Combines voice and data over the same IP network media and protocol. Reduces the cost of implementing and maintaining two different networks.
Packet Filtering Firewall
Token Passing
VoIP
Direct Sequence Spread Spectrum (DSSS)
22. 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.
Screened Sub-Net
Token Ring (802.5)
Password Authentication Protocol (PAP)
Half-Duplex
23. Problems: Requires more expense in cabling and extra effort to track down cable faults.
Subnetting
UDP
Wide Area Network (WAN)
Mesh Topology
24. 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.
802.16
Carrier sense multiple access with collision detection (CSMA/CD)
Proxy Firewall
Private Branch Exchange (PBX)
25. Malware attack that sends commands inside of an ICMP packet.
Loki Attack
Wireless Application Protocol (WAP)
Permanent Virtual Circuit (PVC)
Switched Virtual Circuit (SVC)
26. 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.
Integrated Services Digital Network (ISDN)
Ethernet (802.3)
Ring Topology
Serial Line Internet Protocol (SLIP)
27. Set of rules that dictates how computer communicate over networks.
Crosstalk
Token Passing
ARP Poisoning
Definition of Protocol
28. OSI layer that sets up - maintains - and breaks down the dialog (session) between two applications. Controls dialog organization and synchronization. Protocols that work at this layer are NFS (Network File System) - SQL - NetBIOS - RPC.
DOS attacks from flooding
Circuit Level Proxy Firewall
OSI Layer 5: Session Layer
Open System Authentication (OSA)
29. Problems: Central device is a single point of failure.
Definition of Protocol
Star Topology
Open System Authentication (OSA)
Point-To-Point Tunneling Protocol (PPTP)
30. Wireless communication that distributes individual signals across the allocated frequencies.
Definition of Protocol
Wide Area Network (WAN)
Bastion Host
Spread Spectrum
31. Type of cabling problem where loss of signal strength occurs as it travels due to cable exceeding its recommended length.
Attenuation
Network Address Translator (NAT)
TCP
Simplex: One direction.
32. Most commonly used LAN implementation today. Considered a "chatty" protocol because it allows all systems to hear each other's broadcasts. Has many collisions because all systems share the same medium. Can operate at 10 to 1000 Mbps.
Commonly used in Ethernet.
Packet Filtering Firewall
Open System Authentication (OSA)
Ethernet (802.3)
33. Strengths of a type of firewall: application independence - high performance - and scalability. Weaknesses include low security - no protection above the network layer.
Integrated Services Digital Network (ISDN)
Packet Filtering Firewall
Star Topology
Ethernet (802.3)
34. Type of cabling problem where data is corrupted going from end to end due to surrounding devices.
Router
Fiber Distributed Data Interface (FDDI)
ThickNet - aka 10base5.
Noise
35. Protocol that translates a MAC address into an IP address.
Reverse Address Resolution Protocol (RARP )
Spread Spectrum
Distributed Environment Challenge
Layers in the OSI Model
36. Type of cable that is more expensive than UTP and STP - more resistant to EMI - can carry baseband and board band technologies.
Screened Sub-Net
Router
Coaxial Cables
Commonly used in FDDI.
37. 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.
Multilevel Switching
Carrier sense multiple access with collision detection (CSMA/CD)
Layer 2 Tunneling Protocol (L2TP)
Synchronous Optical Networks (SONETS)
38. Standard that outlines wireless personal area network (WPAN) technologies.
Circuit Switching
Dual-Homed Firewall
Application Proxy vs. Circuit Level
802.15
39. Protocol that is best-effort - connectionless - and does not sent acknowledgements.
OSI Layer 7: Application
UDP
DOS attacks from flooding
802.11
40. 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).
Commonly used in Internet.
Dedicated Links
Plenum-rated Cables
Channel Service Unit/Data Service Unit (CSU/DSU)
41. 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.
Integrated Services Digital Network (ISDN)
Circuit Switching
LLC (Logical Link Control - 802.2)
802.11i
42. The process of simulating a 2600Hz frequency tone - which allowed attackers to gain free long distance phone service.
Metropolitan Area Network (MAN)
Blue Boxing
Definition of Protocol
Frequency Hopping Spread Spectrum (FHSS)
43. 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.
Asynchronous Transfer Mode (ATM)
CBC-MAC Protocol (CCMP)
Spam over Internet Telephony (SPIT)
Point-To-Point (PPP)
44. This network technology determines which system will send data based on which one has the token.
Trunk Lines
High Level Data Link Control (HLDC)
Token Passing
Star Topology
45. 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.
OSI Layer 2: Data Link Layer
802.11i
Bus Topology
Distributed Environment Challenge
46. A Temporary circuit set up for a single connection. Set up and torn down as they are needed.
SPIM
802.15
Application Proxy Firewall
Switched Virtual Circuit (SVC)
47. Type of cabling problem signals from one wire crossing over to another wire.
Crosstalk
802.11
Permanent Virtual Circuit (PVC)
Switched Virtual Circuit (SVC)
48. Type of topology where all computers are connected by a unidirectional transmission link - and the cable is in a closed loop.
Coaxial Cables
Fiber Distributed Data Interface (FDDI)
TCP
Commonly used in FDDI.
49. 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.
Packet Filtering Firewall
OSI Layer 7: Application
Bastion Host
Port Numbers
50. 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.
Password Authentication Protocol (PAP)
Half-Duplex
Permanent Virtual Circuit (PVC)
Open System Authentication (OSA)