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Test your basic knowledge |
CISSP Telecom And Network Security
Start Test
Study First
Subjects
:
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. 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.
OSI Layer 6: Presentation
Noise
Layer 2 Tunneling Protocol (L2TP)
Fiber-optic Cables
2. Type of authentication protocol that provides a framework to enable may types of authentication techniques to be used during PPP connections. It extends the possibilities to one-time passwords - token cards - biometrics - Kerberos - and digital certi
Extensible Authentication Protocol (EAP)
802.11i
Commonly used in Internet.
802.15
3. The well known values range from 0-1023. FTP runs on 20 and 21 - SMTP runs on 25 - TFTP runs on 69 - DNS runs on 53 - HTTP runs on 80 - HTTPS runs on 443 - SNMP runs on 161.
Private Branch Exchange (PBX)
IGMP
Port Numbers
Frame Relay
4. Type of firewall that can be compromised if the OS does not have packet forwarding or routing turned off.
Packet Filtering Firewall
Iterated Association
Dual-Homed Firewall
802.11i
5. Type of ethernet implementation that uses a standard coaxial cable with a maximum cable length of 185 meters. 10Mbps.
Frequency Hopping Spread Spectrum (FHSS)
ThinNet - aka 10base2
Wired Equivalent Privacy (WEP)
Ethernet (802.3)
6. Standard that addresses wireless MAN technologies.
Repeaters
Frame Relay
802.16
Channel Service Unit/Data Service Unit (CSU/DSU)
7. Communication devices that determine synchronization scheme before data transmission.
CBC-MAC Protocol (CCMP)
Ethernet (802.3)
Synchronous Communication
VoIP
8. Protocol that is best-effort - connectionless - and does not sent acknowledgements.
DOS attacks from flooding
Coaxial Cables
Circuit Switching
UDP
9. In a token ring network - each computer is connected to this - which acts as a central hub.
FDDI-2
Multistation Access Unit (MAU)
OSI Layer 4: Transport Layer
Reverse Address Resolution Protocol (RARP )
10. 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.
ICMP (Internet Control Message Protocol)
Frequency Hopping Spread Spectrum (FHSS)
Session Initiation Protocol (SIP)
Packet Filtering Firewall
11. 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.
Tree Topology
Wide Area Network (WAN)
Open System Authentication (OSA)
Virtual Private Network (VPN)
12. 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)
OSI Layer 2: Data Link Layer
ThinNet - aka 10base2
Fiber Distributed Data Interface (FDDI)
13. 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.
OSI Layer 7: Application
Ring Topology
Asynchronous Communication
Wide Area Network (WAN)
14. Standard for transmitting data across the Internet. One is reliable and connection oriented. The other is unreliable and connectionless.
TCP/IP. TCP is reliable and connection oriented - IP is unreliable and connectionless.
Password Authentication Protocol (PAP)
Serial Line Internet Protocol (SLIP)
Layers in the OSI Model
15. 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
Layers in the TCP/IP Model
Multi-protocol Label Switching
Extensible Authentication Protocol (EAP)
ThickNet - aka 10base5.
16. Uses tunneling protocols and encryption to provide a secure network connection between two network hosts. Private and secure connections can be made across an unsecured network. Example protocols are PPTP - L2TP - and IPSec.
Permanent Virtual Circuit (PVC)
X.25
Spread Spectrum
Virtual Private Network (VPN)
17. 7: Application - 6: Presentation - 5: Session - 4: Transport - 3: Network - 2: Data Link - 1: Physical - Remember 'All People Seem To Need Data Processing'
Layers in the OSI Model
Crosstalk
Loki Attack
Digital Subscriber Line (DSL)
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.
Frequency Hopping Spread Spectrum (FHSS)
802.11
Blue Boxing
Router
19. 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.
Router
802.16
X.25
Packet Filtering Firewall
20. 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.
Virtual Private Network (VPN)
Dedicated Links
Application Proxy Firewall
Synchronous Communication
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.
DOS attacks from flooding
Proxy Firewall
Wireless Application Protocol (WAP)
Virtual Private Network (VPN)
22. Protocol that increases address size from 32 bits to 128 bits
IPv6
Bluejacking
Blue Boxing
Packet Switching
23. 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
Remote Access Servers
Layers in the TCP/IP Model
Port Numbers
24. Type of cabling problem signals from one wire crossing over to another wire.
Crosstalk
Stateful Firewall
Iterated Association
UDP
25. This network technology determines which system will send data based on which one has the token.
OSI Layer 4: Transport Layer
Permanent Virtual Circuit (PVC)
Token Passing
Application Proxy Firewall
26. 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.
SOCKS Firewall
ThinNet - aka 10base2
Plenum-rated Cables
Isochronous Communication Processes
27. Type of wireless security standard that uses AES in CBC mode.
Commonly used in logical bus - Ethernet - token ring.
Frame Relay
Iterated Association
CBC-MAC Protocol (CCMP)
28. 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)
Temporal Key Integrity Protocol (TKIP)
Point-To-Point (PPP)
Serial Line Internet Protocol (SLIP)
29. Identifys a WLAN. Can be used to segment environments into different WLANS.
DOS attacks from flooding
Service Set ID (SSID)
Multistation Access Unit (MAU)
Dual-Homed Firewall
30. 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
OSI Layer 1: Physical
Kernel Proxy Firewall
802.15
Private Branch Exchange (PBX)
31. Works like a private line for a customer with an agreed upon bandwidth. Path is programmed into the WAN devices.
Service Set ID (SSID)
Wired Equivalent Privacy (WEP)
T1
Permanent Virtual Circuit (PVC)
32. 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.
Metropolitan Area Network (MAN)
Proxy Firewall Strengths
Session Initiation Protocol (SIP)
Layer 2 Tunneling Protocol (L2TP)
33. Protocol based on the first version - however this version allows for fixed bandwidth to be allocated for specific applications.
FDDI-2
VoIP
OSI Layer 4: Transport Layer
Isochronous Communication Processes
34. Blue tooth vulnerability where an attacker sends messages to a receiver that is in discovery mode.
Dedicated Links
Pulse Code Modulation (PCM)
IPv6
Bluejacking
35. OSI layer that provides end to end transmission between computer systems. Protocols that use this layer are TCP (Transmission Control Protocol) - UDP (User Datagram Protocol) - SPX (Sequenced Packet Exchange) - and SSL.
OSI Layer 4: Transport Layer
Pulse Code Modulation (PCM)
Layers in the OSI Model
Token Passing
36. Wireless communication that distributes individual signals across the allocated frequencies.
Spread Spectrum
Tree Topology
Packet Switching
Subnetting
37. 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.
SOCKS Firewall
Bastion Host
Star Topology
OSI Layer 6: Presentation
38. Type of wireless authentication where a shared WEP key is used to encrypt a nonce for authentication.
Commonly used in Internet.
Screened Sub-Net
ARP Poisoning
Shared Key Authentication (SKA)
39. 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)
Commonly used in Ethernet.
Extensible Authentication Protocol (EAP)
Point-To-Point (PPP)
40. 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.
Kernel Proxy Firewall
Point-To-Point (PPP)
Plenum-rated Cables
Circuit Switching
41. Protocol that is reliable and connection-oriented - which means it ensures delivery through acknowledgements - sequencing - detection and correction.
T1
DNS (Domain Name System)
TCP
Subnetting
42. Both directions - only one application can send information at a time
Half-Duplex
High Level Data Link Control (HLDC)
Challenge Handshake Authentication Protocol (CHAP)
OSI Layer 5: Session Layer
43. Malware attack that sends commands inside of an ICMP packet.
Loki Attack
Synchronous Data Link Control (SDLC)
Trunk Lines
Proxy Firewall
44. Type of ethernet implementation that uses a thicker coaxial cable - which allows a longer cable length to be used.
OSI Layer 4: Transport Layer
Screened Sub-Net
ThickNet - aka 10base5.
Attenuation
45. The process of simulating a 2600Hz frequency tone - which allowed attackers to gain free long distance phone service.
Blue Boxing
ARP Poisoning
Repeaters
Star Topology
46. Protocol that resolves host names into IP addresses and has distributed databases all over the Internet to provide name resolution.
Proxy Firewall
Carrier sense multiple access with collision detection (CSMA/CD)
Plenum-rated Cables
DNS (Domain Name System)
47. 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.
Network Address Translator (NAT)
Multistation Access Unit (MAU)
High Level Data Link Control (HLDC)
Asynchronous Communication
48. This dedicated connection provides up to 1.544 Mbps bandwidth over 1 T1 and 24 time divided channels.
Subnetting
UDP
Commonly used in Internet.
T1
49. Problems: If one station experiences a problem - it can negatively affect surrounding computers on the same ring.
Circuit Level Proxy Firewall
Ring Topology
Private Branch Exchange (PBX)
Dynamic Packet Filtering
50. Strengths of a type of firewall: application independence - high performance - and scalability. Weaknesses include low security - no protection above the network layer.
Frame Relay
Switched Virtual Circuit (SVC)
Packet Filtering Firewall
Multistation Access Unit (MAU)