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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. Standard that addresses wireless MAN technologies.
Wired Equivalent Privacy (WEP)
802.16
OSI Layer 2: Data Link Layer
Multi-protocol Label Switching
2. 4: Application - 3: Host-to-Host - 2: Internet - 1: Network Access - 3 -1 -1 -2 will map to the OSI model.
Synchronous Optical Networks (SONETS)
Router
Network Address Translator (NAT)
Layers in the TCP/IP Model
3. 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.
Shared Key Authentication (SKA)
Commonly used in Internet.
Session Initiation Protocol (SIP)
Digital Subscriber Line (DSL)
4. Type of wireless security standard that uses AES in CBC mode.
CBC-MAC Protocol (CCMP)
Asynchronous Transfer Mode (ATM)
Iterated Association
Screened Host Firewall
5. 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.
Multi-protocol Label Switching
Asynchronous Communication
Blue Boxing
Trunk Lines
6. Proprietary protocol that enables secondary devices to communicate with primary stations or mainframes in an IBM architecture. Developed in the mid-70's for use in a systems network architecture (SNA) environment. First synchronous - link layer - bit
Frame Relay
Dedicated Links
Wide Area Network (WAN)
Synchronous Data Link Control (SDLC)
7. 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.
LLC (Logical Link Control - 802.2)
Twisted Pair Cables
ICMP (Internet Control Message Protocol)
Definition of Protocol
8. Type of network layout that is a large geographical region connecting more that one LAN.
Definition of Protocol
Kernel Proxy Firewall
Wide Area Network (WAN)
OSI Layer 1: Physical
9. Network where a virtual connection that acts like a dedicated link between two systems is set up. Traffic travels in a predictable and constant manner. Example - telephone.
Asynchronous Communication
Circuit Switching
Frame Relay
Open Relay
10. Type of cabling problem where data is corrupted going from end to end due to surrounding devices.
802.11b
802.11i
Noise
Digital Subscriber Line (DSL)
11. Strengths of a type of Stateful Firewall: High security - better performance than an application firewall. Weaknesses include more complex - ___________ - if rebooted all information is lost.
Virtual Private Network (VPN)
Twisted Pair Cables
DOS attacks from flooding
Wireless Application Protocol (WAP)
12. 7: Application - 6: Presentation - 5: Session - 4: Transport - 3: Network - 2: Data Link - 1: Physical - Remember 'All People Seem To Need Data Processing'
VLAN
Layers in the OSI Model
Layers in the TCP/IP Model
Carrier sense multiple access with collision detection (CSMA/CD)
13. Problems: Requires more expense in cabling and extra effort to track down cable faults.
Asynchronous Communication
Ring Topology
Mesh Topology
Plenum-rated Cables
14. This dedicated connection provides up to 1.544 Mbps bandwidth over 1 T1 and 24 time divided channels.
Password Authentication Protocol (PAP)
Definition of Protocol
T1
Frame Relay
15. Protocol that is reliable and connection-oriented - which means it ensures delivery through acknowledgements - sequencing - detection and correction.
OSI Data encapsulation
TCP/IP. TCP is reliable and connection oriented - IP is unreliable and connectionless.
TCP
Extensible Authentication Protocol (EAP)
16. Wireless communication that splits total amount of bandwidth into smaller sub-channels. Send and receiver work in one of the channels for a period of time - and then move into a different channel. It uses a portion of the bandwidth - throughput of 1-
Repeaters
Ring Topology
Proxy Firewall Strengths
Frequency Hopping Spread Spectrum (FHSS)
17. 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.
Permanent Virtual Circuit (PVC)
Network Address Translator (NAT)
Token Passing
Asynchronous Communication
18. The process of simulating a 2600Hz frequency tone - which allowed attackers to gain free long distance phone service.
802.15
Tree Topology
Serial Line Internet Protocol (SLIP)
Blue Boxing
19. Blue tooth vulnerability where an attacker sends messages to a receiver that is in discovery mode.
Layers in the OSI Model
Mesh Topology
Bluejacking
Application Proxy Firewall
20. 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
OSI Layer 2: Data Link Layer
Committed Information Rate (CIR)
Network Address Translator (NAT)
802.11
21. Type of cable that is more expensive than UTP and STP - more resistant to EMI - can carry baseband and board band technologies.
ARP (Address Resolution Protocol)
Spam over Internet Telephony (SPIT)
Coaxial Cables
LLC (Logical Link Control - 802.2)
22. Protocol that translates a MAC address into an IP address.
Reverse Address Resolution Protocol (RARP )
Bridge
Challenge Handshake Authentication Protocol (CHAP)
TCP
23. This dedicated connection provides 45Mbps of bandwidth over 28 T1 lines and 672 time divided channels.
Star Topology
T3
Extensible Authentication Protocol (EAP)
T1
24. 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.
Asynchronous Communication
Frame Relay
Digital Subscriber Line (DSL)
Metropolitan Area Network (MAN)
25. Provides high-speed access - up to 50 Mbps - to the Internet through existing cable coaxial and fiber lines. Major security concern is the fact that neighbors use the same coaxial network and can monitor each others traffic.
Cable Modem
Synchronous Optical Networks (SONETS)
OSI Layer 2: Data Link Layer
Fiber Distributed Data Interface (FDDI)
26. Type of ethernet implementation that uses twisted-pair copper wiring and transmits at 100Mbps.
Frequency Hopping Spread Spectrum (FHSS)
ICMP (Internet Control Message Protocol)
OSI Layer 5: Session Layer
10baseT
27. 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.
OSI Layer 4: Transport Layer
IPv6
Asynchronous Transfer Mode (ATM)
Point-To-Point (PPP)
28. 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.
Bridge
Dual-Homed Firewall
OSI Layer 2: Data Link Layer
Screened Host Firewall
29. 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.
IGMP
Full-Duplex
Packet Switching
Plenum-rated Cables
30. Application layer request/response protocol widely used for VoIP communication sessions. Transported by UDP - makes use of TCP - and is vulnerable to sniffing attacks.
Distributed Environment Challenge
Ethernet (802.3)
Session Initiation Protocol (SIP)
LLC (Logical Link Control - 802.2)
31. Type of switch that uses tags that are assigned to each destination network. The network compares the tag with its tag information base - appends the appropriate tag - and forwards to the next switch. This increases the transmission speed - allows la
Asynchronous Transfer Mode (ATM)
Serial Line Internet Protocol (SLIP)
ARP (Address Resolution Protocol)
Multi-protocol Label Switching
32. Protocol that increases address size from 32 bits to 128 bits
Challenge Handshake Authentication Protocol (CHAP)
IPv6
Isochronous Communication Processes
Blue Boxing
33. 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
Proxy Firewall Strengths
Committed Information Rate (CIR)
IGMP
Star Topology
34. 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.
Fiber Distributed Data Interface (FDDI)
OSI Layer 6: Presentation
10baseT
Bus Topology
35. Security wireless standard that rotates encryption keys - stronger IV values - MAC codes for packet integrity. Works in combination with WEP.
Service Set ID (SSID)
Bus Topology
Temporal Key Integrity Protocol (TKIP)
DNS (Domain Name System)
36. A Temporary circuit set up for a single connection. Set up and torn down as they are needed.
Spam over Internet Telephony (SPIT)
Definition of Protocol
Commonly used in Internet.
Switched Virtual Circuit (SVC)
37. 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.
Multi-protocol Label Switching
Frequency Hopping Spread Spectrum (FHSS)
Proxy Firewall
Application Proxy vs. Circuit Level
38. The original technique to digitized voice with 8 bits of sampling 8 -000 times per second - which yields 64 Kbps for one voice channel.
Mesh Topology
Crosstalk
Pulse Code Modulation (PCM)
High Level Data Link Control (HLDC)
39. 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.
Packet Switching
Fiber-optic Cables
IPv6
Cable Modem
40. 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.
Permanent Virtual Circuit (PVC)
OSI Layer 6: Presentation
Open System Authentication (OSA)
802.11b
41. Protocol stack used instead of TCP/IP on wireless devices. The "gap" in this protocol involves translating its secure traffic to SSL or TLS - which is typically done by a 3rd party.
Session Initiation Protocol (SIP)
802.11
Wireless Application Protocol (WAP)
Fiber Distributed Data Interface (FDDI)
42. 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.
Reverse Address Resolution Protocol (RARP )
Loki Attack
Circuit Switching
X.25
43. This network technology determines which system will send data based on which one has the token.
Token Passing
TCP/IP. TCP is reliable and connection oriented - IP is unreliable and connectionless.
Attenuation
Kernel Proxy Firewall
44. A WAN protocol that works at the data link layer and performs packet switching. Economical choice because the fee is based on bandwidth usage rather than a dedicated pipeline.
Synchronous Optical Networks (SONETS)
Bridge
Frame Relay
Star Topology
45. Protocol for allowing multi-cast (one to many) communication
Full-Duplex
Distributed Environment Challenge
IGMP
Bluejacking
46. Created because it was clear that available IP addresses were running out. Provides flexibility to increase or decrease the IP classes sizes as necessary.
Token Ring (802.5)
Bastion Host
802.11i
Classless inter-domain routing (CIDR)
47. 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.
Direct Sequence Spread Spectrum (DSSS)
OSI Layer 1: Physical
Plenum-rated Cables
Isochronous Communication Processes
48. Problems: If one station experiences a problem - it can negatively affect surrounding computers on the same cable.
Bus Topology
SPIM
Application Proxy Firewall
802.11b
49. 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.
Permanent Virtual Circuit (PVC)
Layers in the TCP/IP Model
Commonly used in Ethernet.
Stateful Firewall
50. 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.
Open System Authentication (OSA)
10baseT
Token Ring (802.5)
CBC-MAC Protocol (CCMP)