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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 outlines wireless personal area network (WPAN) technologies.
Wired Equivalent Privacy (WEP)
802.15
Port Numbers
Bus Topology
2. Both directions - both applications can send information at a time. Session Layer Communication Modes
Reverse Address Resolution Protocol (RARP )
Open System Authentication (OSA)
T1
Full-Duplex
3. Wireless standard that will improve security of wireless communication
Ring Topology
802.11a
Dynamic Packet Filtering
802.11i
4. Protocol based on the SDLC protocol - except it is an open protocol - supports full-duplex connections - and provides a higher throughput. It also provides polling - which enables secondary units to communicate with primary units.
TCP
VLAN
High Level Data Link Control (HLDC)
Coaxial Cables
5. Combines voice and data over the same IP network media and protocol. Reduces the cost of implementing and maintaining two different networks.
VoIP
Spread Spectrum
Kernel Proxy Firewall
Frame Relay
6. Communication devices that determine synchronization scheme before data transmission.
VLAN
Shared Key Authentication (SKA)
Commonly used in logical bus - Ethernet - token ring.
Synchronous Communication
7. Wireless communication that distributes individual signals across the allocated frequencies.
Bus Topology
Spread Spectrum
Layer 2 Tunneling Protocol (L2TP)
Service Set ID (SSID)
8. Set of rules that dictates how computer communicate over networks.
Dedicated Links
Definition of Protocol
Synchronous Optical Networks (SONETS)
Password Authentication Protocol (PAP)
9. 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.
Synchronous Data Link Control (SDLC)
Application Proxy vs. Circuit Level
Spam over Internet Telephony (SPIT)
Wired Equivalent Privacy (WEP)
10. 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.
Shared Key Authentication (SKA)
Frame Relay
Virtual Private Network (VPN)
Multilevel Switching
11. 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.
Password Authentication Protocol (PAP)
Noise
802.15
12. Security wireless standard that rotates encryption keys - stronger IV values - MAC codes for packet integrity. Works in combination with WEP.
Wide Area Network (WAN)
Trunk Lines
TCP/IP. TCP is reliable and connection oriented - IP is unreliable and connectionless.
Temporal Key Integrity Protocol (TKIP)
13. 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
CBC-MAC Protocol (CCMP)
Blue Boxing
Temporal Key Integrity Protocol (TKIP)
Packet Switching
14. Standard that addresses wireless MAN technologies.
802.15
Extensible Authentication Protocol (EAP)
Token Passing
802.16
15. Works like a private line for a customer with an agreed upon bandwidth. Path is programmed into the WAN devices.
Layers in the OSI Model
Permanent Virtual Circuit (PVC)
OSI Layer 1: Physical
OSI Layer 7: Application
16. Type of cable that is more expensive than UTP and STP - more resistant to EMI - can carry baseband and board band technologies.
Crosstalk
Synchronous Data Link Control (SDLC)
Commonly used in FDDI.
Coaxial Cables
17. Type of firewall that lies between the perimeter router and and LAN.
Screened Host Firewall
Cable Modem
Subnetting
Circuit Switching
18. Type of wireless security standard that uses AES in CBC mode.
VLAN
Multi-protocol Label Switching
DNS (Domain Name System)
CBC-MAC Protocol (CCMP)
19. 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.
Frame Relay
Remote Access Servers
Digital Subscriber Line (DSL)
Wide Area Network (WAN)
20. 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.
Digital Subscriber Line (DSL)
OSI Layer 6: Presentation
Metropolitan Area Network (MAN)
Packet Switching
21. 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.
Screened Host Firewall
DOS attacks from flooding
Packet Filtering Firewall
LLC (Logical Link Control - 802.2)
22. This dedicated connection provides 45Mbps of bandwidth over 28 T1 lines and 672 time divided channels.
Bus Topology
FDDI-2
ICMP (Internet Control Message Protocol)
T3
23. 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.
Virtual Private Network (VPN)
Stateful Firewall
Direct Sequence Spread Spectrum (DSSS)
Application Proxy vs. Circuit Level
24. Protocol based on the first version - however this version allows for fixed bandwidth to be allocated for specific applications.
Screened Sub-Net
Dedicated Links
Synchronous Optical Networks (SONETS)
FDDI-2
25. 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.
Virtual Private Network (VPN)
Source Routing
OSI Layer 7: Application
Fiber Distributed Data Interface (FDDI)
26. An older protocol that was used by ISP's to encapsulate data to be sent over dial up connections
Serial Line Internet Protocol (SLIP)
CBC-MAC Protocol (CCMP)
802.16
Dynamic Packet Filtering
27. Standard for transmitting data across the Internet. One is reliable and connection oriented. The other is unreliable and connectionless.
Wired Equivalent Privacy (WEP)
Metropolitan Area Network (MAN)
TCP/IP. TCP is reliable and connection oriented - IP is unreliable and connectionless.
Temporal Key Integrity Protocol (TKIP)
28. 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.
Open System Authentication (OSA)
Packet Switching
Star Topology
Mesh Topology
29. Server that can be configured to hang up and call back remote users - but this can be compromise by enabling call forwarding.
Remote Access Servers
Proxy Firewall Strengths
Temporal Key Integrity Protocol (TKIP)
Kernel Proxy Firewall
30. Protocol that is reliable and connection-oriented - which means it ensures delivery through acknowledgements - sequencing - detection and correction.
Point-To-Point (PPP)
TCP
Shared Key Authentication (SKA)
Private Branch Exchange (PBX)
31. Problems: If one station experiences a problem - it can negatively affect surrounding computers on the same ring.
Ring Topology
Session Initiation Protocol (SIP)
Circuit Switching
OSI Layer 5: Session Layer
32. 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
FDDI-2
Virtual Private Network (VPN)
Commonly used in Internet.
Multi-protocol Label Switching
33. Type of network that allows large IP ranges to be divided into smaller - logical - and easier to maintain network segments.
Subnetting
Repeaters
Star Topology
Blue Boxing
34. New variant to traditional email spam on VoIP networks.
T1
Virtual Private Network (VPN)
Spam over Internet Telephony (SPIT)
Point-To-Point Tunneling Protocol (PPTP)
35. 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.
Service Set ID (SSID)
Open Relay
Proxy Firewall Strengths
LLC (Logical Link Control - 802.2)
36. The original technique to digitized voice with 8 bits of sampling 8 -000 times per second - which yields 64 Kbps for one voice channel.
Pulse Code Modulation (PCM)
802.16
Challenge Handshake Authentication Protocol (CHAP)
Point-To-Point (PPP)
37. A Temporary circuit set up for a single connection. Set up and torn down as they are needed.
Switched Virtual Circuit (SVC)
Screened Host Firewall
Integrated Services Digital Network (ISDN)
802.16
38. 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.
Session Initiation Protocol (SIP)
Layers in the OSI Model
Circuit Level Proxy Firewall
Bridge
39. 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
Session Initiation Protocol (SIP)
Synchronous Data Link Control (SDLC)
Blue Boxing
Integrated Services Digital Network (ISDN)
40. 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.
Mesh Topology
Coaxial Cables
Dynamic Packet Filtering
Multistation Access Unit (MAU)
41. Premium service offered by service providers in frame relay networks that guarantees a company a specified amount of bandwidth.
Packet Filtering Firewall
DNS (Domain Name System)
10baseT
Committed Information Rate (CIR)
42. Protocol for allowing multi-cast (one to many) communication
Stateful Firewall
IGMP
Star Topology
Coaxial Cables
43. 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.
Multi-protocol Label Switching
Multistation Access Unit (MAU)
Simplex: One direction.
Wireless Application Protocol (WAP)
44. 4: Application - 3: Host-to-Host - 2: Internet - 1: Network Access - 3 -1 -1 -2 will map to the OSI model.
Service Set ID (SSID)
802.16
Layers in the TCP/IP Model
Committed Information Rate (CIR)
45. Wireless LAN standard that operates in a 5Ghz range - 54Mpbs - and uses OFDM spread spectrum.
Extensible Authentication Protocol (EAP)
Temporal Key Integrity Protocol (TKIP)
ThickNet - aka 10base5.
802.11a
46. Protocol that addresses vulnerabilities found in PAP. Uses challenge/response mechanism to authenticate the user instead of sending password.
Star Topology
Layers in the OSI Model
Challenge Handshake Authentication Protocol (CHAP)
Iterated Association
47. 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
OSI Layer 1: Physical
Token Ring (802.5)
Synchronous Communication
48. 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.
Circuit Level Proxy Firewall
Twisted Pair Cables
Mesh Topology
Layer 2 Tunneling Protocol (L2TP)
49. 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.
10baseT
DNS (Domain Name System)
Carrier sense multiple access with collision detection (CSMA/CD)
Router
50. Type of topology where all computers are connected by a unidirectional transmission link - and the cable is in a closed loop.
Extensible Authentication Protocol (EAP)
Commonly used in FDDI.
Bus Topology
OSI Data encapsulation