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CISSP Telecom And Network Security
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Instructions:
Answer 50 questions in 15 minutes.
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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 is more expensive than UTP and STP - more resistant to EMI - can carry baseband and board band technologies.
Coaxial Cables
OSI Layer 7: Application
Repeaters
Asynchronous Transfer Mode (ATM)
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.
Direct Sequence Spread Spectrum (DSSS)
SPIM
Virtual Private Network (VPN)
Circuit Level Proxy Firewall
3. Standard that addresses wireless MAN technologies.
Committed Information Rate (CIR)
FDDI-2
Attenuation
802.16
4. Both directions - both applications can send information at a time. Session Layer Communication Modes
Trunk Lines
Full-Duplex
Asynchronous Communication
Isochronous Communication Processes
5. Type of topology where computers all are connected to each other - which provides redundancy.
Commonly used in Internet.
Point-To-Point Tunneling Protocol (PPTP)
Bridge
Virtual Private Network (VPN)
6. 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
Attenuation
Layer 2 Tunneling Protocol (L2TP)
Commonly used in logical bus - Ethernet - token ring.
OSI Layer 2: Data Link Layer
7. New variant to traditional email spam on VoIP networks.
Token Passing
Spam over Internet Telephony (SPIT)
OSI Data encapsulation
Coaxial Cables
8. 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.
Screened Host Firewall
ThickNet - aka 10base5.
Point-To-Point Tunneling Protocol (PPTP)
X.25
9. Type of cabling problem where data is corrupted going from end to end due to surrounding devices.
Multistation Access Unit (MAU)
Noise
Multi-protocol Label Switching
Integrated Services Digital Network (ISDN)
10. A Temporary circuit set up for a single connection. Set up and torn down as they are needed.
Mesh Topology
Switched Virtual Circuit (SVC)
Commonly used in Internet.
Source Routing
11. This dedicated connection provides 45Mbps of bandwidth over 28 T1 lines and 672 time divided channels.
IGMP
UDP
T3
FDDI-2
12. Protocol based on the first version - however this version allows for fixed bandwidth to be allocated for specific applications.
FDDI-2
Open System Authentication (OSA)
OSI Layer 7: Application
Bastion Host
13. Protocol that translates a MAC address into an IP address.
Layer 2 Tunneling Protocol (L2TP)
Reverse Address Resolution Protocol (RARP )
Full-Duplex
Ethernet (802.3)
14. 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.
Point-To-Point Tunneling Protocol (PPTP)
Challenge Handshake Authentication Protocol (CHAP)
Wireless Application Protocol (WAP)
802.11
15. Type of ethernet implementation that uses a thicker coaxial cable - which allows a longer cable length to be used.
Permanent Virtual Circuit (PVC)
ThickNet - aka 10base5.
Loki Attack
Spread Spectrum
16. 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.
Fiber Distributed Data Interface (FDDI)
802.11b
OSI Layer 3: Network Layer
FDDI-2
17. Spam over IM
Simplex: One direction.
SPIM
SOCKS Firewall
Point-To-Point (PPP)
18. Protocol that increases address size from 32 bits to 128 bits
Frequency Hopping Spread Spectrum (FHSS)
Open System Authentication (OSA)
IPv6
ARP Poisoning
19. OSI layer that has services and protocols required by the user's applications for network functionality. Example protocols include HTTP - SMTP - FTP - Telnet.
OSI Layer 7: Application
Wired Equivalent Privacy (WEP)
Subnetting
Permanent Virtual Circuit (PVC)
20. Type of ethernet implementation that uses a standard coaxial cable with a maximum cable length of 185 meters. 10Mbps.
TCP
Iterated Association
ThinNet - aka 10base2
Packet Switching
21. Strengths of a type of firewall: Better security than packet filtering. Looks at all info in the packet - up to the application layer. Breaks the connection between trusted and untrusted systems. Weaknesses include limited number of applications supp
Proxy Firewall Strengths
OSI Layer 1: Physical
Port Numbers
802.11i
22. Used when companies do not want systems to know internal hosts IP addresses. Enables companies to use private - nonroutable IP addresses.
High Level Data Link Control (HLDC)
Distributed Environment Challenge
Network Address Translator (NAT)
10baseT
23. Type of ethernet implementation that uses twisted-pair copper wiring and transmits at 100Mbps.
Packet Filtering Firewall
Noise
10baseT
Wired Equivalent Privacy (WEP)
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
Application Proxy Firewall
Serial Line Internet Protocol (SLIP)
Switch
Bastion Host
25. Protocol that translates IP address into a MAC address (physical Ethernet address)
Dynamic Packet Filtering
ARP (Address Resolution Protocol)
Application Proxy vs. Circuit Level
Half-Duplex
26. These are used to connect multiple switches for traffic of the same classification. Example - two voice switches at a local phone company's central office.
Synchronous Communication
Bridge
Synchronous Optical Networks (SONETS)
Trunk Lines
27. Set of rules that dictates how computer communicate over networks.
Spam over Internet Telephony (SPIT)
Switch
Metropolitan Area Network (MAN)
Definition of Protocol
28. 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.
Coaxial Cables
Wired Equivalent Privacy (WEP)
Source Routing
Commonly used in Ethernet.
29. 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.
Asynchronous Communication
Tree Topology
SPIM
Packet Filtering Firewall
30. Used when a LAN device needs to communicate with WAN devices over telephone lines. Ensures the necessary electrical signaling and format are used. Interfaces with Data Terminal Equipment (DTE) and Data Circuit-Terminal Equipment (DCE).
Screened Host Firewall
Star Topology
Classless inter-domain routing (CIDR)
Channel Service Unit/Data Service Unit (CSU/DSU)
31. 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.
Token Ring (802.5)
CBC-MAC Protocol (CCMP)
Fiber-optic Cables
Metropolitan Area Network (MAN)
32. 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.
Multilevel Switching
Ring Topology
Isochronous Communication Processes
10baseT
33. 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.
Classless inter-domain routing (CIDR)
Bridge
OSI Layer 1: Physical
T1
34. Type of topology where all computers are connected by a unidirectional transmission link - and the cable is in a closed loop.
802.11
Frame Relay
Committed Information Rate (CIR)
Commonly used in FDDI.
35. Type of cable where STP and UTP (shielded and unshielded) cables are the most popular - cheapest - and easiest to work with. However - easiest to tap into - have cross talk issues - and are vulnerable to electromagnetic interference (EMI).
Twisted Pair Cables
Distributed Environment Challenge
X.25
Tree Topology
36. Type of firewall that keeps track of each communication session. It must maintain a state table that contains data about each connection. 3rd generation firewall - runs at the network layer.
Challenge Handshake Authentication Protocol (CHAP)
Stateful Firewall
Fiber-optic Cables
Noise
37. 7: Application - 6: Presentation - 5: Session - 4: Transport - 3: Network - 2: Data Link - 1: Physical - Remember 'All People Seem To Need Data Processing'
Multistation Access Unit (MAU)
Layers in the OSI Model
Commonly used in logical bus - Ethernet - token ring.
Commonly used in Internet.
38. Wireless standard that will improve security of wireless communication
Session Initiation Protocol (SIP)
Spread Spectrum
Twisted Pair Cables
802.11i
39. Protocol that is best-effort - connectionless - and does not sent acknowledgements.
Dedicated Links
Repeaters
UDP
Session Initiation Protocol (SIP)
40. 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.
Coaxial Cables
DNS (Domain Name System)
Password Authentication Protocol (PAP)
Fiber-optic Cables
41. 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.
Attenuation
Asynchronous Communication
Source Routing
802.11b
42. 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).
Direct Sequence Spread Spectrum (DSSS)
ICMP (Internet Control Message Protocol)
Commonly used in FDDI.
IPSec
43. Protocol that addresses vulnerabilities found in PAP. Uses challenge/response mechanism to authenticate the user instead of sending password.
Iterated Association
OSI Layer 3: Network Layer
Proxy Firewall Strengths
Challenge Handshake Authentication Protocol (CHAP)
44. 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.
Coaxial Cables
ThickNet - aka 10base5.
Integrated Services Digital Network (ISDN)
Multilevel Switching
45. Type of cabling problem where loss of signal strength occurs as it travels due to cable exceeding its recommended length.
Mesh Topology
Attenuation
Repeaters
Screened Sub-Net
46. Altering an ARP table so an IP address is mapped to a different MAC address. Results in traffic being routed to an attacker's computer.
Bastion Host
Pulse Code Modulation (PCM)
ARP Poisoning
Token Passing
47. 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.
SPIM
Layers in the OSI Model
Synchronous Optical Networks (SONETS)
Iterated Association
48. 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.
Mesh Topology
T3
Asynchronous Transfer Mode (ATM)
Isochronous Communication Processes
49. Type of cabling problem signals from one wire crossing over to another wire.
Crosstalk
Shared Key Authentication (SKA)
Open Relay
Service Set ID (SSID)
50. This dedicated connection provides up to 1.544 Mbps bandwidth over 1 T1 and 24 time divided channels.
OSI Layer 4: Transport Layer
T1
Star Topology
OSI Data encapsulation
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