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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. Combines voice and data over the same IP network media and protocol. Reduces the cost of implementing and maintaining two different networks.
FDDI-2
VoIP
Proxy Firewall
SPIM
2. Protocol stack used instead of TCP/IP on wireless devices. The "gap" in this protocol involves translating its secure traffic to SSL or TLS - which is typically done by a 3rd party.
Frame Relay
Bastion Host
Circuit Switching
Wireless Application Protocol (WAP)
3. Most commonly used LAN implementation today. Considered a "chatty" protocol because it allows all systems to hear each other's broadcasts. Has many collisions because all systems share the same medium. Can operate at 10 to 1000 Mbps.
Ethernet (802.3)
Commonly used in FDDI.
Blue Boxing
Integrated Services Digital Network (ISDN)
4. Created because it was clear that available IP addresses were running out. Provides flexibility to increase or decrease the IP classes sizes as necessary.
Network Address Translator (NAT)
Application Proxy Firewall
Classless inter-domain routing (CIDR)
Distributed Environment Challenge
5. A Temporary circuit set up for a single connection. Set up and torn down as they are needed.
DOS attacks from flooding
Multistation Access Unit (MAU)
Proxy Firewall
Switched Virtual Circuit (SVC)
6. SMTP server that is configured for sending email from any source to and destination.
LLC (Logical Link Control - 802.2)
Layer 2 Tunneling Protocol (L2TP)
Open Relay
Application Proxy Firewall
7. Type of topology where computers all are connected to each other - which provides redundancy.
Commonly used in Internet.
Tree Topology
Point-To-Point Tunneling Protocol (PPTP)
Synchronous Data Link Control (SDLC)
8. Server that can be configured to hang up and call back remote users - but this can be compromise by enabling call forwarding.
Trunk Lines
Remote Access Servers
Layers in the OSI Model
Ring Topology
9. 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.
Synchronous Communication
VLAN
Synchronous Optical Networks (SONETS)
Mesh Topology
10. 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.
Layers in the OSI Model
Star Topology
Simplex: One direction.
Virtual Private Network (VPN)
11. Wireless LAN standard that operates in a 5Ghz range - 54Mpbs - and uses OFDM spread spectrum.
Application Proxy vs. Circuit Level
OSI Layer 2: Data Link Layer
Reverse Address Resolution Protocol (RARP )
802.11a
12. 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-
TCP
Frequency Hopping Spread Spectrum (FHSS)
High Level Data Link Control (HLDC)
Password Authentication Protocol (PAP)
13. The original technique to digitized voice with 8 bits of sampling 8 -000 times per second - which yields 64 Kbps for one voice channel.
Packet Switching
Definition of Protocol
Password Authentication Protocol (PAP)
Pulse Code Modulation (PCM)
14. Protocol for allowing multi-cast (one to many) communication
Ethernet (802.3)
IGMP
Plenum-rated Cables
Noise
15. 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.
Integrated Services Digital Network (ISDN)
Network Address Translator (NAT)
Open System Authentication (OSA)
Ethernet (802.3)
16. 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)
Fiber-optic Cables
Simplex: One direction.
Kernel Proxy Firewall
17. The process of simulating a 2600Hz frequency tone - which allowed attackers to gain free long distance phone service.
Ethernet (802.3)
Blue Boxing
Remote Access Servers
Synchronous Communication
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.
Proxy Firewall Strengths
Router
Subnetting
802.11b
19. Used when companies do not want systems to know internal hosts IP addresses. Enables companies to use private - nonroutable IP addresses.
10baseT
Commonly used in Internet.
High Level Data Link Control (HLDC)
Network Address Translator (NAT)
20. 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.
Circuit Level Proxy Firewall
OSI Layer 4: Transport Layer
Open Relay
Kernel Proxy Firewall
21. Type of firewall that is a proxy-based firewall solution. It is circuit-based and does not provide any application-based proxies.
SOCKS Firewall
X.25
802.16
Plenum-rated Cables
22. 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.
OSI Layer 5: Session Layer
Kernel Proxy Firewall
Session Initiation Protocol (SIP)
Frequency Hopping Spread Spectrum (FHSS)
23. Protocol that resolves host names into IP addresses and has distributed databases all over the Internet to provide name resolution.
Spread Spectrum
ICMP (Internet Control Message Protocol)
Fiber-optic Cables
DNS (Domain Name System)
24. 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
OSI Layer 7: Application
Proxy Firewall
Dual-Homed Firewall
25. Type of network layout that separates and group computers logically.
Attenuation
Synchronous Optical Networks (SONETS)
Metropolitan Area Network (MAN)
VLAN
26. 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)
Application Proxy Firewall
Layer 2 Tunneling Protocol (L2TP)
Integrated Services Digital Network (ISDN)
27. 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
Commonly used in Internet.
OSI Layer 3: Network Layer
IGMP
Simplex: One direction.
28. A WAN protocol that works at the data link layer and performs packet switching. Economical choice because the fee is based on bandwidth usage rather than a dedicated pipeline.
OSI Layer 5: Session Layer
Frame Relay
Virtual Private Network (VPN)
Blue Boxing
29. 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
UDP
Trunk Lines
Extensible Authentication Protocol (EAP)
Remote Access Servers
30. Network cabling that is placed in these types of areas must meet a specific fire rating. These cables typically have a jacked cover made of fluoropolymers.
IPv6
Synchronous Optical Networks (SONETS)
Plenum-rated Cables
Session Initiation Protocol (SIP)
31. 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.
OSI Layer 4: Transport Layer
ThickNet - aka 10base5.
Frame Relay
TCP
32. Type of LAN and MAN technology - usually used for backbones - that uses token-passing technology and has redundant rings in case the primary ring goes down.
Synchronous Optical Networks (SONETS)
Ring Topology
Fiber Distributed Data Interface (FDDI)
Switch
33. Protocol that increases address size from 32 bits to 128 bits
Bridge
IPv6
Plenum-rated Cables
TCP
34. 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
Temporal Key Integrity Protocol (TKIP)
VoIP
Commonly used in FDDI.
35. Standard that outlines wireless personal area network (WPAN) technologies.
Serial Line Internet Protocol (SLIP)
802.16
Blue Boxing
802.15
36. 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.
Channel Service Unit/Data Service Unit (CSU/DSU)
Dedicated Links
Circuit Switching
Ring Topology
37. Spam over IM
Commonly used in Ethernet.
SPIM
Session Initiation Protocol (SIP)
Port Numbers
38. 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.
Commonly used in Internet.
Screened Host Firewall
802.16
Isochronous Communication Processes
39. Problems: Central device is a single point of failure.
Mesh Topology
ARP (Address Resolution Protocol)
Star Topology
Private Branch Exchange (PBX)
40. Type of network that allows large IP ranges to be divided into smaller - logical - and easier to maintain network segments.
TCP/IP. TCP is reliable and connection oriented - IP is unreliable and connectionless.
Synchronous Optical Networks (SONETS)
Token Passing
Subnetting
41. 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.
Point-To-Point Tunneling Protocol (PPTP)
Application Proxy vs. Circuit Level
Multistation Access Unit (MAU)
Temporal Key Integrity Protocol (TKIP)
42. Both directions - both applications can send information at a time. Session Layer Communication Modes
OSI Layer 6: Presentation
SOCKS Firewall
Full-Duplex
Committed Information Rate (CIR)
43. Strengths of a type of firewall: application independence - high performance - and scalability. Weaknesses include low security - no protection above the network layer.
Wireless Application Protocol (WAP)
Synchronous Data Link Control (SDLC)
Packet Filtering Firewall
Classless inter-domain routing (CIDR)
44. Problems: If one station experiences a problem - it can negatively affect surrounding computers on the same cable.
Coaxial Cables
Bus Topology
Frequency Hopping Spread Spectrum (FHSS)
Ethernet (802.3)
45. 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.
Distributed Environment Challenge
ARP (Address Resolution Protocol)
Application Proxy Firewall
X.25
46. 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.
Port Numbers
Permanent Virtual Circuit (PVC)
Reverse Address Resolution Protocol (RARP )
47. Protocol that is used by remote users to authenticate over PPP lines. Sends passwords over clear text. Vulnerable to MITM attacks.
Repeaters
Password Authentication Protocol (PAP)
Open Relay
Frame Relay
48. 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.
Trunk Lines
OSI Layer 1: Physical
Coaxial Cables
Temporal Key Integrity Protocol (TKIP)
49. 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.
Cable Modem
Packet Switching
Open System Authentication (OSA)
Ring Topology
50. Protocol that is best-effort - connectionless - and does not sent acknowledgements.
Dual-Homed Firewall
T3
UDP
Channel Service Unit/Data Service Unit (CSU/DSU)