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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. Both directions - both applications can send information at a time. Session Layer Communication Modes
Ethernet (802.3)
Kernel Proxy Firewall
Switch
Full-Duplex
2. 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
Synchronous Optical Networks (SONETS)
OSI Layer 5: Session Layer
Proxy Firewall
3. Type of network layout that separates and group computers logically.
SPIM
Permanent Virtual Circuit (PVC)
VLAN
OSI Layer 6: Presentation
4. This dedicated connection provides up to 1.544 Mbps bandwidth over 1 T1 and 24 time divided channels.
Permanent Virtual Circuit (PVC)
OSI Layer 6: Presentation
OSI Layer 5: Session Layer
T1
5. Type of cabling problem where loss of signal strength occurs as it travels due to cable exceeding its recommended length.
Ring Topology
Blue Boxing
Attenuation
ThinNet - aka 10base2
6. 7: Application - 6: Presentation - 5: Session - 4: Transport - 3: Network - 2: Data Link - 1: Physical - Remember 'All People Seem To Need Data Processing'
Frame Relay
Dual-Homed Firewall
Layers in the OSI Model
Reverse Address Resolution Protocol (RARP )
7. 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.
IGMP
Commonly used in FDDI.
ARP Poisoning
Fiber-optic Cables
8. Used when companies do not want systems to know internal hosts IP addresses. Enables companies to use private - nonroutable IP addresses.
Bastion Host
Network Address Translator (NAT)
Virtual Private Network (VPN)
Permanent Virtual Circuit (PVC)
9. As they travel down the OSI model on the source computer - each layer adds its own information so the corresponding layer on the destination machine knows how to process the data.
Permanent Virtual Circuit (PVC)
DOS attacks from flooding
Isochronous Communication Processes
OSI Data encapsulation
10. Premium service offered by service providers in frame relay networks that guarantees a company a specified amount of bandwidth.
Frame Relay
ThickNet - aka 10base5.
Committed Information Rate (CIR)
ThinNet - aka 10base2
11. Type of wireless authentication where a shared WEP key is used to encrypt a nonce for authentication.
Shared Key Authentication (SKA)
Layer 2 Tunneling Protocol (L2TP)
Application Proxy vs. Circuit Level
Isochronous Communication Processes
12. Malware attack that sends commands inside of an ICMP packet.
Switched Virtual Circuit (SVC)
IGMP
Wireless Application Protocol (WAP)
Loki Attack
13. Protocol based on the first version - however this version allows for fixed bandwidth to be allocated for specific applications.
Fiber Distributed Data Interface (FDDI)
FDDI-2
Packet Filtering Firewall
Wireless Application Protocol (WAP)
14. Protocol that translates IP address into a MAC address (physical Ethernet address)
T3
Commonly used in logical bus - Ethernet - token ring.
ARP (Address Resolution Protocol)
Metropolitan Area Network (MAN)
15. Wireless LAN standard. Variations include 802.11a - b - f - g - and i. Commonly accepts are 802.11b and g.
Channel Service Unit/Data Service Unit (CSU/DSU)
Ring Topology
OSI Layer 3: Network Layer
802.11
16. Faster because processing is done in the kernel. One network stack is created for each packet. 5th generation firewall - runs at the application layer.
ICMP (Internet Control Message Protocol)
Kernel Proxy Firewall
Committed Information Rate (CIR)
Permanent Virtual Circuit (PVC)
17. 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.
Digital Subscriber Line (DSL)
Multilevel Switching
Switched Virtual Circuit (SVC)
IPSec
18. Standard that outlines wireless personal area network (WPAN) technologies.
Session Initiation Protocol (SIP)
Multi-protocol Label Switching
Service Set ID (SSID)
802.15
19. 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 4: Transport Layer
Wired Equivalent Privacy (WEP)
Virtual Private Network (VPN)
OSI Layer 2: Data Link Layer
20. 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.
Distributed Environment Challenge
ARP (Address Resolution Protocol)
Open System Authentication (OSA)
Carrier sense multiple access with collision detection (CSMA/CD)
21. Type of ethernet implementation that uses twisted-pair copper wiring and transmits at 100Mbps.
Repeaters
IGMP
Application Proxy vs. Circuit Level
10baseT
22. 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
ICMP (Internet Control Message Protocol)
Fiber Distributed Data Interface (FDDI)
OSI Layer 3: Network Layer
OSI Layer 6: Presentation
23. Communication devices that determine synchronization scheme before data transmission.
Commonly used in Ethernet.
Synchronous Communication
Open Relay
Commonly used in logical bus - Ethernet - token ring.
24. Problems: If one station experiences a problem - it can negatively affect surrounding computers on the same cable.
Layers in the TCP/IP Model
Bus Topology
Session Initiation Protocol (SIP)
Service Set ID (SSID)
25. Standard for transmitting data across the Internet. One is reliable and connection oriented. The other is unreliable and connectionless.
802.11i
DNS (Domain Name System)
Repeaters
TCP/IP. TCP is reliable and connection oriented - IP is unreliable and connectionless.
26. Server that can be configured to hang up and call back remote users - but this can be compromise by enabling call forwarding.
Screened Sub-Net
Commonly used in Ethernet.
Remote Access Servers
Subnetting
27. 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.
OSI Layer 6: Presentation
802.16
Bluejacking
Application Proxy vs. Circuit Level
28. Network segment name for a DMZ created by two physical firewalls.
Star Topology
Application Proxy Firewall
Screened Sub-Net
OSI Layer 6: Presentation
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)
UDP
Repeaters
Pulse Code Modulation (PCM)
30. Protocol that increases address size from 32 bits to 128 bits
Direct Sequence Spread Spectrum (DSSS)
IPv6
Subnetting
VoIP
31. A Temporary circuit set up for a single connection. Set up and torn down as they are needed.
CBC-MAC Protocol (CCMP)
Switched Virtual Circuit (SVC)
T3
Multilevel Switching
32. 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)
IPSec
Spread Spectrum
Screened Sub-Net
33. Type of topology where all computers are connected by a unidirectional transmission link - and the cable is in a closed loop.
Commonly used in FDDI.
Trunk Lines
DNS (Domain Name System)
Kernel Proxy Firewall
34. Protocol that is best-effort - connectionless - and does not sent acknowledgements.
UDP
DNS (Domain Name System)
Virtual Private Network (VPN)
Synchronous Communication
35. Type of firewall that is a proxy-based firewall solution. It is circuit-based and does not provide any application-based proxies.
Stateful Firewall
Layers in the TCP/IP Model
Simplex: One direction.
SOCKS Firewall
36. Type of topology that Uses linear single cable for all computers attached. All traffic travels full cable and can be viewed by all other computers.
Commonly used in Ethernet.
Screened Sub-Net
Subnetting
OSI Layer 3: Network Layer
37. 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.
Extensible Authentication Protocol (EAP)
OSI Layer 1: Physical
Kernel Proxy Firewall
Packet Filtering Firewall
38. This network technology determines which system will send data based on which one has the token.
Token Passing
Bridge
ICMP (Internet Control Message Protocol)
Pulse Code Modulation (PCM)
39. Security wireless standard that rotates encryption keys - stronger IV values - MAC codes for packet integrity. Works in combination with WEP.
Multilevel Switching
Frame Relay
Permanent Virtual Circuit (PVC)
Temporal Key Integrity Protocol (TKIP)
40. Protocol that is used by remote users to authenticate over PPP lines. Sends passwords over clear text. Vulnerable to MITM attacks.
Token Passing
Ethernet (802.3)
Password Authentication Protocol (PAP)
ThickNet - aka 10base5.
41. Type of firewall that lies between the perimeter router and and LAN.
Screened Host Firewall
Commonly used in Ethernet.
Direct Sequence Spread Spectrum (DSSS)
Port Numbers
42. Type of cabling problem where data is corrupted going from end to end due to surrounding devices.
Switch
CBC-MAC Protocol (CCMP)
Private Branch Exchange (PBX)
Noise
43. Type of firewall that can be compromised if the OS does not have packet forwarding or routing turned off.
Challenge Handshake Authentication Protocol (CHAP)
SPIM
Dual-Homed Firewall
802.11i
44. A technique that allows multiple layers of nesting. Example - IPSec tunnel can originate or terminate at a different IPSec site along the way.
Shared Key Authentication (SKA)
Ethernet (802.3)
Plenum-rated Cables
Iterated Association
45. 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.
Dynamic Packet Filtering
Twisted Pair Cables
ThinNet - aka 10base2
SOCKS Firewall
46. 4: Application - 3: Host-to-Host - 2: Internet - 1: Network Access - 3 -1 -1 -2 will map to the OSI model.
Layers in the TCP/IP Model
Packet Filtering Firewall
Carrier sense multiple access with collision detection (CSMA/CD)
802.15
47. 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.
T1
Screened Host Firewall
Router
Open Relay
48. 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.
Carrier sense multiple access with collision detection (CSMA/CD)
Screened Sub-Net
SOCKS Firewall
Distributed Environment Challenge
49. 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.
Bastion Host
Packet Filtering Firewall
Definition of Protocol
Synchronous Optical Networks (SONETS)
50. 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)
IPSec
Shared Key Authentication (SKA)
Multistation Access Unit (MAU)