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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
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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.
Trunk Lines
ARP (Address Resolution Protocol)
802.11a
CBC-MAC Protocol (CCMP)
2. 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.
Commonly used in logical bus - Ethernet - token ring.
Iterated Association
Dynamic Packet Filtering
Digital Subscriber Line (DSL)
3. This dedicated connection provides up to 1.544 Mbps bandwidth over 1 T1 and 24 time divided channels.
Bridge
OSI Layer 6: Presentation
T1
Twisted Pair Cables
4. 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).
Virtual Private Network (VPN)
Circuit Switching
Twisted Pair Cables
DOS attacks from flooding
5. The original technique to digitized voice with 8 bits of sampling 8 -000 times per second - which yields 64 Kbps for one voice channel.
Spread Spectrum
Integrated Services Digital Network (ISDN)
Fiber-optic Cables
Pulse Code Modulation (PCM)
6. 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.
Classless inter-domain routing (CIDR)
Loki Attack
Point-To-Point Tunneling Protocol (PPTP)
802.11i
7. Security wireless standard that rotates encryption keys - stronger IV values - MAC codes for packet integrity. Works in combination with WEP.
Pulse Code Modulation (PCM)
Frequency Hopping Spread Spectrum (FHSS)
Channel Service Unit/Data Service Unit (CSU/DSU)
Temporal Key Integrity Protocol (TKIP)
8. 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.
Isochronous Communication Processes
Proxy Firewall
T3
Repeaters
9. 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.
OSI Layer 1: Physical
Synchronous Data Link Control (SDLC)
Carrier sense multiple access with collision detection (CSMA/CD)
Multistation Access Unit (MAU)
10. Security wireless standard that enables data transfers to be encrypted. Static encryption keys among clients - short 40 bit keys - RC4 encryption - ineffective use of 24 bit IV's - and no packet integrity.
Reverse Address Resolution Protocol (RARP )
OSI Layer 2: Data Link Layer
OSI Layer 5: Session Layer
Wired Equivalent Privacy (WEP)
11. Strengths of a type of firewall: application independence - high performance - and scalability. Weaknesses include low security - no protection above the network layer.
Packet Filtering Firewall
OSI Data encapsulation
Digital Subscriber Line (DSL)
Blue Boxing
12. 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.
Committed Information Rate (CIR)
High Level Data Link Control (HLDC)
Isochronous Communication Processes
OSI Layer 7: Application
13. Wireless LAN standard. Variations include 802.11a - b - f - g - and i. Commonly accepts are 802.11b and g.
802.11
Synchronous Communication
Session Initiation Protocol (SIP)
TCP
14. Type of cabling problem where loss of signal strength occurs as it travels due to cable exceeding its recommended length.
Loki Attack
Attenuation
SPIM
Application Proxy Firewall
15. Type of ethernet implementation that uses a thicker coaxial cable - which allows a longer cable length to be used.
Commonly used in FDDI.
Application Proxy vs. Circuit Level
Commonly used in logical bus - Ethernet - token ring.
ThickNet - aka 10base5.
16. Both directions - both applications can send information at a time. Session Layer Communication Modes
Full-Duplex
Classless inter-domain routing (CIDR)
Serial Line Internet Protocol (SLIP)
X.25
17. Used when companies do not want systems to know internal hosts IP addresses. Enables companies to use private - nonroutable IP addresses.
Trunk Lines
Network Address Translator (NAT)
T3
ARP Poisoning
18. 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.
Router
Definition of Protocol
802.11
OSI Layer 7: Application
19. Type of ethernet implementation that uses twisted-pair copper wiring and transmits at 100Mbps.
10baseT
Carrier sense multiple access with collision detection (CSMA/CD)
Multi-protocol Label Switching
802.15
20. Type of firewall that is a proxy-based firewall solution. It is circuit-based and does not provide any application-based proxies.
Packet Filtering Firewall
Carrier sense multiple access with collision detection (CSMA/CD)
OSI Layer 6: Presentation
SOCKS Firewall
21. Standard that outlines wireless personal area network (WPAN) technologies.
802.11
Circuit Level Proxy Firewall
Spam over Internet Telephony (SPIT)
802.15
22. OSI layer that provides physical connections for transmission and performs the electrical encoding of data. This layer transforms bits to electrical signals. Protocols at this level HSSI (High Speed Serial Interface) - X.21 - EIA/TIA 232 and 449.
Packet Filtering Firewall
Service Set ID (SSID)
OSI Layer 1: Physical
Plenum-rated Cables
23. Type of topology that where all computers are connected to a central device (AKA hub) - which provides more resilience for the network.
Temporal Key Integrity Protocol (TKIP)
Commonly used in logical bus - Ethernet - token ring.
Simplex: One direction.
Layer 2 Tunneling Protocol (L2TP)
24. Protocol that is best-effort - connectionless - and does not sent acknowledgements.
Bastion Host
Application Proxy Firewall
UDP
IPv6
25. Problems: If one station experiences a problem - it can negatively affect surrounding computers on the same ring.
Ring Topology
Open System Authentication (OSA)
X.25
UDP
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.
Stateful Firewall
X.25
Digital Subscriber Line (DSL)
Trunk Lines
27. 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.
OSI Layer 6: Presentation
Plenum-rated Cables
T3
Packet Filtering Firewall
28. 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.
Synchronous Optical Networks (SONETS)
Multilevel Switching
Frame Relay
10baseT
29. SMTP server that is configured for sending email from any source to and destination.
Open Relay
Circuit Switching
Network Address Translator (NAT)
Multistation Access Unit (MAU)
30. 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.
Password Authentication Protocol (PAP)
Asynchronous Communication
Dynamic Packet Filtering
10baseT
31. Problems: Central device is a single point of failure.
High Level Data Link Control (HLDC)
Star Topology
Spread Spectrum
Packet Filtering Firewall
32. Type of cabling problem signals from one wire crossing over to another wire.
Circuit Switching
Simplex: One direction.
Crosstalk
IPv6
33. In the OSI layer 5 - these are the types of what?
Commonly used in Ethernet.
802.11a
UDP
Simplex: One direction.
34. Created because it was clear that available IP addresses were running out. Provides flexibility to increase or decrease the IP classes sizes as necessary.
Commonly used in FDDI.
Dedicated Links
Bridge
Classless inter-domain routing (CIDR)
35. Type of network layout that is a large geographical region connecting more that one LAN.
Iterated Association
Frequency Hopping Spread Spectrum (FHSS)
ARP Poisoning
Wide Area Network (WAN)
36. Type of firewall that lies between the perimeter router and and LAN.
Open Relay
ARP Poisoning
Screened Host Firewall
OSI Layer 2: Data Link Layer
37. 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.
Shared Key Authentication (SKA)
Password Authentication Protocol (PAP)
Isochronous Communication Processes
LLC (Logical Link Control - 802.2)
38. Wireless communication that distributes individual signals across the allocated frequencies.
Distributed Environment Challenge
Circuit Level Proxy Firewall
Spread Spectrum
Tree Topology
39. 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.
OSI Layer 4: Transport Layer
SOCKS Firewall
Remote Access Servers
Dynamic Packet Filtering
40. 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.
802.16
Frame Relay
Token Ring (802.5)
Application Proxy Firewall
41. 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.
Source Routing
Private Branch Exchange (PBX)
Router
Fiber-optic Cables
42. 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.
Service Set ID (SSID)
Spread Spectrum
Integrated Services Digital Network (ISDN)
Attenuation
43. 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
Twisted Pair Cables
Synchronous Data Link Control (SDLC)
Shared Key Authentication (SKA)
OSI Layer 1: Physical
44. Type of firewall that can be compromised if the OS does not have packet forwarding or routing turned off.
Multistation Access Unit (MAU)
OSI Data encapsulation
Dual-Homed Firewall
Wired Equivalent Privacy (WEP)
45. Type of cable that is more expensive than UTP and STP - more resistant to EMI - can carry baseband and board band technologies.
Coaxial Cables
OSI Layer 6: Presentation
X.25
Temporal Key Integrity Protocol (TKIP)
46. Type of cabling problem where data is corrupted going from end to end due to surrounding devices.
Noise
Point-To-Point (PPP)
DNS (Domain Name System)
Open Relay
47. A technique that allows multiple layers of nesting. Example - IPSec tunnel can originate or terminate at a different IPSec site along the way.
Repeaters
Iterated Association
Commonly used in Internet.
Permanent Virtual Circuit (PVC)
48. Malware attack that sends commands inside of an ICMP packet.
Stateful Firewall
Layers in the OSI Model
Loki Attack
Wide Area Network (WAN)
49. 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.
Switched Virtual Circuit (SVC)
High Level Data Link Control (HLDC)
Cable Modem
VoIP
50. OSI layer that provides routing - addressing - and fragmentation of packets. This layer can determine alternative routes to avoid network congestion. Protocols that use this layer are IP - ICMP - RIP - OSPF (Open Shortest Path First) - BGP (Border Ga
OSI Layer 3: Network Layer
Layers in the TCP/IP Model
Frame Relay
ICMP (Internet Control Message Protocol)