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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. Protocol that resolves host names into IP addresses and has distributed databases all over the Internet to provide name resolution.
DNS (Domain Name System)
Asynchronous Communication
Integrated Services Digital Network (ISDN)
Open System Authentication (OSA)
2. The process of simulating a 2600Hz frequency tone - which allowed attackers to gain free long distance phone service.
Blue Boxing
Crosstalk
Extensible Authentication Protocol (EAP)
Proxy Firewall Strengths
3. 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.
Cable Modem
Distributed Environment Challenge
Application Proxy Firewall
TCP
4. 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)
Application Proxy Firewall
TCP
Integrated Services Digital Network (ISDN)
5. Wireless standard that will improve security of wireless communication
802.11i
Remote Access Servers
Token Ring (802.5)
Trunk Lines
6. 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).
Point-To-Point Tunneling Protocol (PPTP)
Twisted Pair Cables
Star Topology
Kernel Proxy Firewall
7. Wireless LAN standard that operates in a 5Ghz range - 54Mpbs - and uses OFDM spread spectrum.
802.11a
Reverse Address Resolution Protocol (RARP )
OSI Layer 6: Presentation
Extensible Authentication Protocol (EAP)
8. Premium service offered by service providers in frame relay networks that guarantees a company a specified amount of bandwidth.
OSI Layer 1: Physical
CBC-MAC Protocol (CCMP)
Shared Key Authentication (SKA)
Committed Information Rate (CIR)
9. This dedicated connection provides up to 1.544 Mbps bandwidth over 1 T1 and 24 time divided channels.
Token Ring (802.5)
TCP/IP. TCP is reliable and connection oriented - IP is unreliable and connectionless.
T1
Asynchronous Transfer Mode (ATM)
10. Problems: If one station experiences a problem - it can negatively affect surrounding computers on the same cable.
Remote Access Servers
Ethernet (802.3)
Cable Modem
Bus Topology
11. Protocol that works at the network layer and informs hosts - routers - and devices of network or computer problems. It is the major component of the ping utility.
802.15
Asynchronous Transfer Mode (ATM)
SPIM
ICMP (Internet Control Message Protocol)
12. Type of host that is locked down - hardened - system. Systems installed in the DMZ (firewalls - servers) should be installed on this type of host.
Attenuation
CBC-MAC Protocol (CCMP)
Point-To-Point (PPP)
Bastion Host
13. Protocol that is reliable and connection-oriented - which means it ensures delivery through acknowledgements - sequencing - detection and correction.
TCP/IP. TCP is reliable and connection oriented - IP is unreliable and connectionless.
Frame Relay
TCP
Frame Relay
14. Type of firewall that is a proxy-based firewall solution. It is circuit-based and does not provide any application-based proxies.
SOCKS Firewall
VoIP
Packet Switching
802.11i
15. 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.
Dedicated Links
Bridge
ThinNet - aka 10base2
Token Ring (802.5)
16. 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
Layer 2 Tunneling Protocol (L2TP)
Cable Modem
Half-Duplex
17. 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.
Direct Sequence Spread Spectrum (DSSS)
LLC (Logical Link Control - 802.2)
Cable Modem
Repeaters
18. 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 Communication
ARP (Address Resolution Protocol)
Application Proxy vs. Circuit Level
Fiber Distributed Data Interface (FDDI)
19. Type of network layout that is a large geographical region connecting more that one LAN.
Carrier sense multiple access with collision detection (CSMA/CD)
Serial Line Internet Protocol (SLIP)
Blue Boxing
Wide Area Network (WAN)
20. 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.
Metropolitan Area Network (MAN)
802.11
VoIP
Carrier sense multiple access with collision detection (CSMA/CD)
21. Type of ethernet implementation that uses a standard coaxial cable with a maximum cable length of 185 meters. 10Mbps.
LLC (Logical Link Control - 802.2)
Fiber Distributed Data Interface (FDDI)
ThinNet - aka 10base2
Temporal Key Integrity Protocol (TKIP)
22. Both directions - both applications can send information at a time. Session Layer Communication Modes
OSI Layer 7: Application
Full-Duplex
Wireless Application Protocol (WAP)
Proxy Firewall
23. 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.
ICMP (Internet Control Message Protocol)
Source Routing
Frame Relay
OSI Layer 6: Presentation
24. 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.
High Level Data Link Control (HLDC)
Packet Filtering Firewall
Session Initiation Protocol (SIP)
Dynamic Packet Filtering
25. Communication devices that determine synchronization scheme before data transmission.
Dynamic Packet Filtering
FDDI-2
Integrated Services Digital Network (ISDN)
Synchronous Communication
26. 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.
High Level Data Link Control (HLDC)
Wired Equivalent Privacy (WEP)
Circuit Level Proxy Firewall
10baseT
27. 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.
Point-To-Point Tunneling Protocol (PPTP)
Commonly used in logical bus - Ethernet - token ring.
Dynamic Packet Filtering
Permanent Virtual Circuit (PVC)
28. Server that can be configured to hang up and call back remote users - but this can be compromise by enabling call forwarding.
Attenuation
Spam over Internet Telephony (SPIT)
DNS (Domain Name System)
Remote Access Servers
29. Protocol that addresses vulnerabilities found in PAP. Uses challenge/response mechanism to authenticate the user instead of sending password.
Challenge Handshake Authentication Protocol (CHAP)
OSI Layer 5: Session Layer
Service Set ID (SSID)
Frame Relay
30. 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.
VLAN
CBC-MAC Protocol (CCMP)
Circuit Switching
Permanent Virtual Circuit (PVC)
31. Network segment name for a DMZ created by two physical firewalls.
Stateful Firewall
Fiber-optic Cables
LLC (Logical Link Control - 802.2)
Screened Sub-Net
32. 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.
802.15
High Level Data Link Control (HLDC)
Channel Service Unit/Data Service Unit (CSU/DSU)
Synchronous Optical Networks (SONETS)
33. An older protocol that was used by ISP's to encapsulate data to be sent over dial up connections
Serial Line Internet Protocol (SLIP)
Frame Relay
Digital Subscriber Line (DSL)
Commonly used in Ethernet.
34. Type of topology that uses a bus that does not have a one linear cable - but instead uses branches of cables. Commonly used in Ethernet.
Layer 2 Tunneling Protocol (L2TP)
Tree Topology
Open Relay
802.11i
35. Set of rules that dictates how computer communicate over networks.
Repeaters
Reverse Address Resolution Protocol (RARP )
High Level Data Link Control (HLDC)
Definition of Protocol
36. Identifys a WLAN. Can be used to segment environments into different WLANS.
Network Address Translator (NAT)
Multi-protocol Label Switching
Repeaters
Service Set ID (SSID)
37. 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.
Star Topology
Application Proxy Firewall
Open System Authentication (OSA)
Remote Access Servers
38. Wireless communication that distributes individual signals across the allocated frequencies.
Half-Duplex
Proxy Firewall
Temporal Key Integrity Protocol (TKIP)
Spread Spectrum
39. 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.
OSI Layer 7: Application
ARP Poisoning
Fiber-optic Cables
Frequency Hopping Spread Spectrum (FHSS)
40. 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.
Multistation Access Unit (MAU)
OSI Layer 3: Network Layer
Dual-Homed Firewall
Asynchronous Communication
41. Problems: If one station experiences a problem - it can negatively affect surrounding computers on the same ring.
Ring Topology
Fiber Distributed Data Interface (FDDI)
Dynamic Packet Filtering
T1
42. Problems: Requires more expense in cabling and extra effort to track down cable faults.
OSI Layer 7: Application
Tree Topology
Bus Topology
Mesh Topology
43. 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-
Frequency Hopping Spread Spectrum (FHSS)
TCP
Challenge Handshake Authentication Protocol (CHAP)
Star Topology
44. Wireless LAN standard. Variations include 802.11a - b - f - g - and i. Commonly accepts are 802.11b and g.
Frame Relay
Virtual Private Network (VPN)
Bastion Host
802.11
45. Type of topology where all computers are connected by a unidirectional transmission link - and the cable is in a closed loop.
Serial Line Internet Protocol (SLIP)
Commonly used in FDDI.
Bluejacking
Application Proxy vs. Circuit Level
46. Type of cabling problem signals from one wire crossing over to another wire.
Open System Authentication (OSA)
Extensible Authentication Protocol (EAP)
Application Proxy Firewall
Crosstalk
47. Type of topology that where all computers are connected to a central device (AKA hub) - which provides more resilience for the network.
Synchronous Communication
Service Set ID (SSID)
Commonly used in logical bus - Ethernet - token ring.
Stateful Firewall
48. Most expensive type of WAN connection because the fee is based on distance between the two points rather than the amount of bandwidth used. Examples - T1 and T3.
Source Routing
Ring Topology
Integrated Services Digital Network (ISDN)
Dedicated Links
49. Spam over IM
Stateful Firewall
Application Proxy vs. Circuit Level
SPIM
VLAN
50. Standard that addresses wireless MAN technologies.
Spread Spectrum
802.16
DNS (Domain Name System)
CBC-MAC Protocol (CCMP)