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Test your basic knowledge |
CISSP Telecom And Network Security
Start Test
Study First
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. SMTP server that is configured for sending email from any source to and destination.
High Level Data Link Control (HLDC)
Cable Modem
Open Relay
Multistation Access Unit (MAU)
2. Type of wireless security standard that uses AES in CBC mode.
Router
Point-To-Point (PPP)
CBC-MAC Protocol (CCMP)
LLC (Logical Link Control - 802.2)
3. The process of simulating a 2600Hz frequency tone - which allowed attackers to gain free long distance phone service.
High Level Data Link Control (HLDC)
UDP
Switch
Blue Boxing
4. Wireless standard that will improve security of wireless communication
Reverse Address Resolution Protocol (RARP )
802.11i
Blue Boxing
802.15
5. 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.
Wide Area Network (WAN)
OSI Layer 4: Transport Layer
Tree Topology
CBC-MAC Protocol (CCMP)
6. 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.
Attenuation
Kernel Proxy Firewall
Twisted Pair Cables
Distributed Environment Challenge
7. 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
Trunk Lines
OSI Layer 6: Presentation
OSI Layer 2: Data Link Layer
Temporal Key Integrity Protocol (TKIP)
8. 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-
Token Ring (802.5)
Frequency Hopping Spread Spectrum (FHSS)
Classless inter-domain routing (CIDR)
Integrated Services Digital Network (ISDN)
9. 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)
802.11a
Cable Modem
ARP (Address Resolution Protocol)
10. 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).
Multilevel Switching
IPSec
Bus Topology
Spam over Internet Telephony (SPIT)
11. Type of cabling problem where loss of signal strength occurs as it travels due to cable exceeding its recommended length.
Point-To-Point (PPP)
Subnetting
Attenuation
Ethernet (802.3)
12. Encapsulation protocol for telecommunication connections. Replaced SLIP and is ideal for connection different types of devices over serial lines.
Point-To-Point (PPP)
T1
802.11b
Temporal Key Integrity Protocol (TKIP)
13. Works like a private line for a customer with an agreed upon bandwidth. Path is programmed into the WAN devices.
SOCKS Firewall
Wide Area Network (WAN)
Permanent Virtual Circuit (PVC)
Iterated Association
14. Protocol that resolves host names into IP addresses and has distributed databases all over the Internet to provide name resolution.
Spam over Internet Telephony (SPIT)
Point-To-Point (PPP)
OSI Layer 7: Application
DNS (Domain Name System)
15. 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
OSI Layer 7: Application
Permanent Virtual Circuit (PVC)
16. 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.
Direct Sequence Spread Spectrum (DSSS)
Wide Area Network (WAN)
Dedicated Links
802.11b
17. Communication devices that determine synchronization scheme before data transmission.
Integrated Services Digital Network (ISDN)
Synchronous Communication
IPSec
Star Topology
18. 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.
ThickNet - aka 10base5.
T3
ARP (Address Resolution Protocol)
ICMP (Internet Control Message Protocol)
19. Type of ethernet implementation that uses twisted-pair copper wiring and transmits at 100Mbps.
OSI Layer 5: Session Layer
T3
10baseT
Dual-Homed Firewall
20. In the OSI layer 5 - these are the types of what?
Coaxial Cables
Simplex: One direction.
Frame Relay
Channel Service Unit/Data Service Unit (CSU/DSU)
21. Type of network layout that is a large geographical region connecting more that one LAN.
Circuit Level Proxy Firewall
IPv6
Wide Area Network (WAN)
Attenuation
22. Combines voice and data over the same IP network media and protocol. Reduces the cost of implementing and maintaining two different networks.
Commonly used in Internet.
802.15
Extensible Authentication Protocol (EAP)
VoIP
23. Problems: Requires more expense in cabling and extra effort to track down cable faults.
Mesh Topology
Circuit Switching
Spam over Internet Telephony (SPIT)
Private Branch Exchange (PBX)
24. 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
Wide Area Network (WAN)
Cable Modem
Switched Virtual Circuit (SVC)
25. Type of cable that is more expensive than UTP and STP - more resistant to EMI - can carry baseband and board band technologies.
Coaxial Cables
802.11i
Cable Modem
TCP/IP. TCP is reliable and connection oriented - IP is unreliable and connectionless.
26. Blue tooth vulnerability where an attacker sends messages to a receiver that is in discovery mode.
ARP (Address Resolution Protocol)
Spam over Internet Telephony (SPIT)
Bluejacking
Virtual Private Network (VPN)
27. 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.
Application Proxy vs. Circuit Level
IPv6
Remote Access Servers
Attenuation
28. 7: Application - 6: Presentation - 5: Session - 4: Transport - 3: Network - 2: Data Link - 1: Physical - Remember 'All People Seem To Need Data Processing'
Wide Area Network (WAN)
Layers in the OSI Model
Commonly used in Ethernet.
Screened Host Firewall
29. 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.
CBC-MAC Protocol (CCMP)
Router
Application Proxy vs. Circuit Level
Digital Subscriber Line (DSL)
30. Type of network layout that separates and group computers logically.
VLAN
Spread Spectrum
Remote Access Servers
Integrated Services Digital Network (ISDN)
31. Both directions - only one application can send information at a time
Trunk Lines
Half-Duplex
Circuit Level Proxy Firewall
Integrated Services Digital Network (ISDN)
32. 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.
Fiber-optic Cables
Dual-Homed Firewall
Screened Sub-Net
Synchronous Communication
33. Communication process that must deliver data with set time constraints. Applications are typically video related where audio and must match perfectly. VoIP is another example.
Bastion Host
Isochronous Communication Processes
Tree Topology
Iterated Association
34. Problems: If one station experiences a problem - it can negatively affect surrounding computers on the same ring.
IPSec
OSI Layer 7: Application
T3
Ring Topology
35. Spam over IM
SPIM
T3
802.11b
Ring Topology
36. Type of network device that allows different network segments and/or systems to communicate. When communication takes place - a dedicated connection is set up - so collision and broadcast data is not available to other devices. Combined repeater (hub
Switch
Screened Sub-Net
Layers in the OSI Model
High Level Data Link Control (HLDC)
37. Wireless LAN standard that operates in a 5Ghz range - 54Mpbs - and uses OFDM spread spectrum.
ARP (Address Resolution Protocol)
802.11a
Remote Access Servers
OSI Layer 2: Data Link Layer
38. 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.
Proxy Firewall Strengths
Synchronous Optical Networks (SONETS)
OSI Layer 6: Presentation
Frequency Hopping Spread Spectrum (FHSS)
39. Protocol that is best-effort - connectionless - and does not sent acknowledgements.
UDP
Multistation Access Unit (MAU)
High Level Data Link Control (HLDC)
Open Relay
40. 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
Wide Area Network (WAN)
T1
Multi-protocol Label Switching
Proxy Firewall Strengths
41. Malware attack that sends commands inside of an ICMP packet.
Commonly used in Ethernet.
Loki Attack
Synchronous Data Link Control (SDLC)
Committed Information Rate (CIR)
42. The original technique to digitized voice with 8 bits of sampling 8 -000 times per second - which yields 64 Kbps for one voice channel.
Attenuation
Digital Subscriber Line (DSL)
Pulse Code Modulation (PCM)
Wired Equivalent Privacy (WEP)
43. Protocol that addresses vulnerabilities found in PAP. Uses challenge/response mechanism to authenticate the user instead of sending password.
Application Proxy vs. Circuit Level
Frame Relay
Spread Spectrum
Challenge Handshake Authentication Protocol (CHAP)
44. If the packet header information is used to determine destinations rather than the routes configured into the router. Packets with this information should be dropped.
Layers in the OSI Model
Source Routing
Synchronous Data Link Control (SDLC)
Dual-Homed Firewall
45. Wireless LAN standard that operates in a 2.4Ghz range - 11Mbps - DSSS
802.11b
Frame Relay
10baseT
Classless inter-domain routing (CIDR)
46. 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.
Loki Attack
Spam over Internet Telephony (SPIT)
Integrated Services Digital Network (ISDN)
Port Numbers
47. 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.
SPIM
Bridge
OSI Layer 2: Data Link Layer
Application Proxy vs. Circuit Level
48. Premium service offered by service providers in frame relay networks that guarantees a company a specified amount of bandwidth.
Committed Information Rate (CIR)
Spam over Internet Telephony (SPIT)
Spread Spectrum
OSI Layer 5: Session Layer
49. 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.
Classless inter-domain routing (CIDR)
Spread Spectrum
Router
Metropolitan Area Network (MAN)
50. Type of firewall that lies between the perimeter router and and LAN.
802.11
ThickNet - aka 10base5.
Screened Host Firewall
Spread Spectrum