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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. Type of topology that where all computers are connected to a central device (AKA hub) - which provides more resilience for the network.
Bus Topology
Commonly used in logical bus - Ethernet - token ring.
OSI Layer 1: Physical
IPv6
2. 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.
Integrated Services Digital Network (ISDN)
OSI Layer 4: Transport Layer
Circuit Level Proxy Firewall
Password Authentication Protocol (PAP)
3. Type of wireless authentication where a shared WEP key is used to encrypt a nonce for authentication.
SPIM
Shared Key Authentication (SKA)
Plenum-rated Cables
Source Routing
4. 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.
Open Relay
Proxy Firewall
Point-To-Point Tunneling Protocol (PPTP)
Pulse Code Modulation (PCM)
5. 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.
Permanent Virtual Circuit (PVC)
Direct Sequence Spread Spectrum (DSSS)
Switched Virtual Circuit (SVC)
Frame Relay
6. 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)
802.11b
OSI Layer 3: Network Layer
Session Initiation Protocol (SIP)
7. Wireless LAN standard that operates in a 5Ghz range - 54Mpbs - and uses OFDM spread spectrum.
UDP
802.11a
Remote Access Servers
Classless inter-domain routing (CIDR)
8. Blue tooth vulnerability where an attacker sends messages to a receiver that is in discovery mode.
ARP (Address Resolution Protocol)
Trunk Lines
Crosstalk
Bluejacking
9. 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.
Permanent Virtual Circuit (PVC)
Integrated Services Digital Network (ISDN)
OSI Layer 4: Transport Layer
Shared Key Authentication (SKA)
10. 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.
ICMP (Internet Control Message Protocol)
Asynchronous Transfer Mode (ATM)
Tree Topology
Layers in the TCP/IP Model
11. Protocol that resolves host names into IP addresses and has distributed databases all over the Internet to provide name resolution.
Wide Area Network (WAN)
Network Address Translator (NAT)
DNS (Domain Name System)
Point-To-Point Tunneling Protocol (PPTP)
12. 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.
802.15
Carrier sense multiple access with collision detection (CSMA/CD)
Screened Host Firewall
Switch
13. 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
OSI Layer 3: Network Layer
Extensible Authentication Protocol (EAP)
Synchronous Data Link Control (SDLC)
Digital Subscriber Line (DSL)
14. This dedicated connection provides 45Mbps of bandwidth over 28 T1 lines and 672 time divided channels.
Permanent Virtual Circuit (PVC)
Synchronous Communication
T3
Pulse Code Modulation (PCM)
15. Protocol based on the first version - however this version allows for fixed bandwidth to be allocated for specific applications.
FDDI-2
Integrated Services Digital Network (ISDN)
ICMP (Internet Control Message Protocol)
Asynchronous Transfer Mode (ATM)
16. New variant to traditional email spam on VoIP networks.
Spam over Internet Telephony (SPIT)
ICMP (Internet Control Message Protocol)
Simplex: One direction.
Subnetting
17. Combines voice and data over the same IP network media and protocol. Reduces the cost of implementing and maintaining two different networks.
Crosstalk
VoIP
Integrated Services Digital Network (ISDN)
Committed Information Rate (CIR)
18. Type of firewall that lies between the perimeter router and and LAN.
Dedicated Links
Network Address Translator (NAT)
FDDI-2
Screened Host Firewall
19. Spam over IM
High Level Data Link Control (HLDC)
Distributed Environment Challenge
CBC-MAC Protocol (CCMP)
SPIM
20. 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.
ThickNet - aka 10base5.
Asynchronous Communication
Ring Topology
CBC-MAC Protocol (CCMP)
21. Type of cabling problem signals from one wire crossing over to another wire.
Carrier sense multiple access with collision detection (CSMA/CD)
ARP (Address Resolution Protocol)
Crosstalk
Circuit Switching
22. Wireless communication that distributes individual signals across the allocated frequencies.
Spread Spectrum
Cable Modem
Star Topology
VoIP
23. Type of network that allows large IP ranges to be divided into smaller - logical - and easier to maintain network segments.
Attenuation
Frame Relay
Extensible Authentication Protocol (EAP)
Subnetting
24. Type of ethernet implementation that uses a thicker coaxial cable - which allows a longer cable length to be used.
Dedicated Links
ThickNet - aka 10base5.
CBC-MAC Protocol (CCMP)
Point-To-Point Tunneling Protocol (PPTP)
25. Type of network device that is the simplest type of connectivity because it only repeats and amplifies electric signals between cable segments. Works at the physical layer.
Committed Information Rate (CIR)
Repeaters
Proxy Firewall
Fiber Distributed Data Interface (FDDI)
26. 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)
Digital Subscriber Line (DSL)
OSI Layer 2: Data Link Layer
Layers in the OSI Model
27. Protocol that translates IP address into a MAC address (physical Ethernet address)
Port Numbers
ARP (Address Resolution Protocol)
Screened Host Firewall
Screened Sub-Net
28. 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
VoIP
Spam over Internet Telephony (SPIT)
Isochronous Communication Processes
29. A technique that allows multiple layers of nesting. Example - IPSec tunnel can originate or terminate at a different IPSec site along the way.
Router
Cable Modem
Iterated Association
IPv6
30. 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.
SPIM
802.11a
Proxy Firewall
Virtual Private Network (VPN)
31. 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.
Trunk Lines
Dedicated Links
Commonly used in Internet.
Metropolitan Area Network (MAN)
32. Server that can be configured to hang up and call back remote users - but this can be compromise by enabling call forwarding.
Integrated Services Digital Network (ISDN)
Remote Access Servers
Router
Twisted Pair Cables
33. Layer 3 - layer 4 - and other layer switches have more enhanced functionality than layer 2 switches. Combines switching and routing technologies - packet inspection - traffic prioritization - and quality of service (QoS).
Permanent Virtual Circuit (PVC)
ARP (Address Resolution Protocol)
Multilevel Switching
Point-To-Point Tunneling Protocol (PPTP)
34. Type of topology where all computers are connected by a unidirectional transmission link - and the cable is in a closed loop.
Password Authentication Protocol (PAP)
Metropolitan Area Network (MAN)
Proxy Firewall
Commonly used in FDDI.
35. 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.
Multilevel Switching
Point-To-Point Tunneling Protocol (PPTP)
Token Ring (802.5)
IPSec
36. Security wireless standard that rotates encryption keys - stronger IV values - MAC codes for packet integrity. Works in combination with WEP.
Temporal Key Integrity Protocol (TKIP)
OSI Layer 1: Physical
Layers in the OSI Model
OSI Data encapsulation
37. SMTP server that is configured for sending email from any source to and destination.
VLAN
Open Relay
Spread Spectrum
Distributed Environment Challenge
38. Type of network layout that separates and group computers logically.
VLAN
OSI Layer 3: Network Layer
High Level Data Link Control (HLDC)
Plenum-rated Cables
39. Standard for transmitting data across the Internet. One is reliable and connection oriented. The other is unreliable and connectionless.
X.25
TCP/IP. TCP is reliable and connection oriented - IP is unreliable and connectionless.
Iterated Association
Circuit Level Proxy Firewall
40. Both directions - only one application can send information at a time
Wireless Application Protocol (WAP)
Half-Duplex
Multi-protocol Label Switching
OSI Layer 2: Data Link Layer
41. 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.
Coaxial Cables
Circuit Switching
Wireless Application Protocol (WAP)
Layers in the OSI Model
42. Problems: Requires more expense in cabling and extra effort to track down cable faults.
Commonly used in FDDI.
Bus Topology
Mesh Topology
Commonly used in Ethernet.
43. OSI layer that sets up - maintains - and breaks down the dialog (session) between two applications. Controls dialog organization and synchronization. Protocols that work at this layer are NFS (Network File System) - SQL - NetBIOS - RPC.
Full-Duplex
Packet Filtering Firewall
OSI Layer 5: Session Layer
Noise
44. Standard that outlines wireless personal area network (WPAN) technologies.
Circuit Switching
ARP Poisoning
802.15
Switch
45. Protocol for allowing multi-cast (one to many) communication
Private Branch Exchange (PBX)
IGMP
OSI Data encapsulation
Multi-protocol Label Switching
46. Protocol that increases address size from 32 bits to 128 bits
DOS attacks from flooding
IPv6
Open System Authentication (OSA)
Twisted Pair Cables
47. Protocol that is reliable and connection-oriented - which means it ensures delivery through acknowledgements - sequencing - detection and correction.
Loki Attack
Proxy Firewall Strengths
Multi-protocol Label Switching
TCP
48. 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.
Packet Filtering Firewall
Token Ring (802.5)
OSI Layer 6: Presentation
Network Address Translator (NAT)
49. Type of network layout that is a large geographical region connecting more that one LAN.
Switched Virtual Circuit (SVC)
802.16
Wide Area Network (WAN)
Frame Relay
50. 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
Frame Relay
Star Topology
Synchronous Data Link Control (SDLC)