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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
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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. 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.
ARP Poisoning
Definition of Protocol
ThinNet - aka 10base2
Half-Duplex
2. 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.
Asynchronous Communication
Open Relay
OSI Layer 1: Physical
Challenge Handshake Authentication Protocol (CHAP)
3. This network technology determines which system will send data based on which one has the token.
Token Passing
Spread Spectrum
Permanent Virtual Circuit (PVC)
Synchronous Data Link Control (SDLC)
4. 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.
High Level Data Link Control (HLDC)
Synchronous Data Link Control (SDLC)
OSI Layer 6: Presentation
SPIM
5. Type of topology where computers all are connected to each other - which provides redundancy.
Commonly used in Internet.
Mesh Topology
IGMP
Point-To-Point (PPP)
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
Point-To-Point (PPP)
OSI Layer 2: Data Link Layer
Carrier sense multiple access with collision detection (CSMA/CD)
Half-Duplex
7. Faster because processing is done in the kernel. One network stack is created for each packet. 5th generation firewall - runs at the application layer.
Frame Relay
Kernel Proxy Firewall
Plenum-rated Cables
802.11
8. Type of ethernet implementation that uses twisted-pair copper wiring and transmits at 100Mbps.
Frequency Hopping Spread Spectrum (FHSS)
Point-To-Point (PPP)
10baseT
Point-To-Point Tunneling Protocol (PPTP)
9. 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.
Multistation Access Unit (MAU)
Virtual Private Network (VPN)
Challenge Handshake Authentication Protocol (CHAP)
Bridge
10. 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.
Circuit Level Proxy Firewall
Token Passing
Wired Equivalent Privacy (WEP)
Open System Authentication (OSA)
11. 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-
Star Topology
Wide Area Network (WAN)
Frequency Hopping Spread Spectrum (FHSS)
Spam over Internet Telephony (SPIT)
12. Type of cable that is more expensive than UTP and STP - more resistant to EMI - can carry baseband and board band technologies.
Coaxial Cables
Multistation Access Unit (MAU)
VoIP
Committed Information Rate (CIR)
13. 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
Repeaters
ARP Poisoning
Asynchronous Transfer Mode (ATM)
Switch
14. A Temporary circuit set up for a single connection. Set up and torn down as they are needed.
Kernel Proxy Firewall
Switched Virtual Circuit (SVC)
OSI Layer 2: Data Link Layer
Network Address Translator (NAT)
15. Type of topology where all computers are connected by a unidirectional transmission link - and the cable is in a closed loop.
T1
Mesh Topology
Commonly used in FDDI.
Pulse Code Modulation (PCM)
16. Malware attack that sends commands inside of an ICMP packet.
Circuit Switching
Loki Attack
IPSec
Blue Boxing
17. Provides high-speed access - up to 50 Mbps - to the Internet through existing cable coaxial and fiber lines. Major security concern is the fact that neighbors use the same coaxial network and can monitor each others traffic.
Loki Attack
DOS attacks from flooding
Cable Modem
Circuit Switching
18. Problems: If one station experiences a problem - it can negatively affect surrounding computers on the same ring.
Dedicated Links
Permanent Virtual Circuit (PVC)
Application Proxy Firewall
Ring Topology
19. Protocol that increases address size from 32 bits to 128 bits
Cable Modem
IPv6
Synchronous Data Link Control (SDLC)
Isochronous Communication Processes
20. 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.
Proxy Firewall
Service Set ID (SSID)
OSI Layer 1: Physical
10baseT
21. Used when companies do not want systems to know internal hosts IP addresses. Enables companies to use private - nonroutable IP addresses.
Network Address Translator (NAT)
Proxy Firewall Strengths
Half-Duplex
LLC (Logical Link Control - 802.2)
22. 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.
DNS (Domain Name System)
Open System Authentication (OSA)
802.11b
Bus Topology
23. SMTP server that is configured for sending email from any source to and destination.
Open Relay
Multi-protocol Label Switching
Spam over Internet Telephony (SPIT)
Carrier sense multiple access with collision detection (CSMA/CD)
24. Wireless LAN standard. Variations include 802.11a - b - f - g - and i. Commonly accepts are 802.11b and g.
Integrated Services Digital Network (ISDN)
802.11
Temporal Key Integrity Protocol (TKIP)
Committed Information Rate (CIR)
25. 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).
LLC (Logical Link Control - 802.2)
ARP Poisoning
Multilevel Switching
Temporal Key Integrity Protocol (TKIP)
26. 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.
Commonly used in Internet.
Application Proxy vs. Circuit Level
Proxy Firewall Strengths
Synchronous Data Link Control (SDLC)
27. 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.
10baseT
Commonly used in FDDI.
Circuit Switching
CBC-MAC Protocol (CCMP)
28. 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
Layer 2 Tunneling Protocol (L2TP)
Network Address Translator (NAT)
Definition of Protocol
29. Server that can be configured to hang up and call back remote users - but this can be compromise by enabling call forwarding.
Remote Access Servers
Wireless Application Protocol (WAP)
802.15
Proxy Firewall Strengths
30. 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)
Commonly used in logical bus - Ethernet - token ring.
Dual-Homed Firewall
802.15
31. 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.
High Level Data Link Control (HLDC)
Layers in the TCP/IP Model
Stateful Firewall
Virtual Private Network (VPN)
32. 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.
Temporal Key Integrity Protocol (TKIP)
OSI Layer 5: Session Layer
VoIP
Multi-protocol Label Switching
33. 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.
Bus Topology
Frame Relay
Proxy Firewall
T3
34. 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
Commonly used in Internet.
Source Routing
Half-Duplex
35. 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)
Source Routing
Packet Filtering Firewall
Multistation Access Unit (MAU)
36. Set of rules that dictates how computer communicate over networks.
VLAN
TCP/IP. TCP is reliable and connection oriented - IP is unreliable and connectionless.
SPIM
Definition of Protocol
37. An older protocol that was used by ISP's to encapsulate data to be sent over dial up connections
Coaxial Cables
Serial Line Internet Protocol (SLIP)
Fiber-optic Cables
Iterated Association
38. Premium service offered by service providers in frame relay networks that guarantees a company a specified amount of bandwidth.
Committed Information Rate (CIR)
T1
Dynamic Packet Filtering
Metropolitan Area Network (MAN)
39. 7: Application - 6: Presentation - 5: Session - 4: Transport - 3: Network - 2: Data Link - 1: Physical - Remember 'All People Seem To Need Data Processing'
Point-To-Point (PPP)
Layers in the OSI Model
Token Passing
Permanent Virtual Circuit (PVC)
40. VPN protocol that can run in other networks (frame relay - X.25 - ATM). Does not provide encryption - lacks the security to be called a true "VPN" solution.
Token Passing
Layer 2 Tunneling Protocol (L2TP)
High Level Data Link Control (HLDC)
Temporal Key Integrity Protocol (TKIP)
41. Type of firewall that lies between the perimeter router and and LAN.
X.25
Session Initiation Protocol (SIP)
ThickNet - aka 10base5.
Screened Host Firewall
42. Wireless communication that distributes individual signals across the allocated frequencies.
Wireless Application Protocol (WAP)
IGMP
Fiber Distributed Data Interface (FDDI)
Spread Spectrum
43. Wireless standard that will improve security of wireless communication
802.11i
Layers in the OSI Model
Bus Topology
Repeaters
44. Problems: Central device is a single point of failure.
Session Initiation Protocol (SIP)
Star Topology
TCP/IP. TCP is reliable and connection oriented - IP is unreliable and connectionless.
Application Proxy Firewall
45. Encapsulation protocol for telecommunication connections. Replaced SLIP and is ideal for connection different types of devices over serial lines.
Twisted Pair Cables
VLAN
Point-To-Point (PPP)
Synchronous Optical Networks (SONETS)
46. 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
VoIP
VLAN
OSI Layer 3: Network Layer
Network Address Translator (NAT)
47. Problems: Requires more expense in cabling and extra effort to track down cable faults.
Token Ring (802.5)
ThickNet - aka 10base5.
Router
Mesh Topology
48. 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.
Commonly used in logical bus - Ethernet - token ring.
Virtual Private Network (VPN)
Fiber Distributed Data Interface (FDDI)
802.11b
49. 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)
Ring Topology
OSI Layer 7: Application
Twisted Pair Cables
50. Type of topology that where all computers are connected to a central device (AKA hub) - which provides more resilience for the network.
Fiber-optic Cables
Commonly used in logical bus - Ethernet - token ring.
DOS attacks from flooding
OSI Layer 6: Presentation