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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. Type of topology where computers all are connected to each other - which provides redundancy.
802.15
Commonly used in Internet.
Half-Duplex
802.11
2. 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.
Bastion Host
Bridge
Isochronous Communication Processes
Permanent Virtual Circuit (PVC)
3. 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.
Plenum-rated Cables
Screened Sub-Net
OSI Layer 7: Application
Fiber Distributed Data Interface (FDDI)
4. 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.
Crosstalk
Asynchronous Communication
Star Topology
Frequency Hopping Spread Spectrum (FHSS)
5. 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
Synchronous Communication
Switch
Proxy Firewall
Fiber Distributed Data Interface (FDDI)
6. Type of cable that is more expensive than UTP and STP - more resistant to EMI - can carry baseband and board band technologies.
Digital Subscriber Line (DSL)
Coaxial Cables
Network Address Translator (NAT)
Port Numbers
7. 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-
Frequency Hopping Spread Spectrum (FHSS)
DNS (Domain Name System)
Channel Service Unit/Data Service Unit (CSU/DSU)
Proxy Firewall
8. Type of cabling problem where data is corrupted going from end to end due to surrounding devices.
T1
Packet Filtering Firewall
High Level Data Link Control (HLDC)
Noise
9. 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.
Trunk Lines
T1
Fiber Distributed Data Interface (FDDI)
Switch
10. Type of topology that where all computers are connected to a central device (AKA hub) - which provides more resilience for the network.
Service Set ID (SSID)
Dynamic Packet Filtering
Reverse Address Resolution Protocol (RARP )
Commonly used in logical bus - Ethernet - token ring.
11. Identifys a WLAN. Can be used to segment environments into different WLANS.
Source Routing
OSI Layer 6: Presentation
Service Set ID (SSID)
802.15
12. 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).
Service Set ID (SSID)
Channel Service Unit/Data Service Unit (CSU/DSU)
Classless inter-domain routing (CIDR)
Plenum-rated Cables
13. Problems: Requires more expense in cabling and extra effort to track down cable faults.
Mesh Topology
IPv6
Cable Modem
802.11b
14. Security wireless standard that enables data transfers to be encrypted. Static encryption keys among clients - short 40 bit keys - RC4 encryption - ineffective use of 24 bit IV's - and no packet integrity.
Extensible Authentication Protocol (EAP)
802.16
Isochronous Communication Processes
Wired Equivalent Privacy (WEP)
15. Standard that addresses wireless MAN technologies.
VoIP
TCP
Carrier sense multiple access with collision detection (CSMA/CD)
802.16
16. Type of switch that uses tags that are assigned to each destination network. The network compares the tag with its tag information base - appends the appropriate tag - and forwards to the next switch. This increases the transmission speed - allows la
Simplex: One direction.
Dedicated Links
Multi-protocol Label Switching
Cable Modem
17. The process of simulating a 2600Hz frequency tone - which allowed attackers to gain free long distance phone service.
Commonly used in Internet.
802.15
VLAN
Blue Boxing
18. 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)
Distributed Environment Challenge
Digital Subscriber Line (DSL)
Multistation Access Unit (MAU)
19. 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.
Open System Authentication (OSA)
ThickNet - aka 10base5.
Asynchronous Transfer Mode (ATM)
OSI Layer 2: Data Link Layer
20. 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.
X.25
Isochronous Communication Processes
802.11a
Frame Relay
21. A Temporary circuit set up for a single connection. Set up and torn down as they are needed.
Spread Spectrum
Switched Virtual Circuit (SVC)
DOS attacks from flooding
Integrated Services Digital Network (ISDN)
22. The well known values range from 0-1023. FTP runs on 20 and 21 - SMTP runs on 25 - TFTP runs on 69 - DNS runs on 53 - HTTP runs on 80 - HTTPS runs on 443 - SNMP runs on 161.
Port Numbers
Bridge
Digital Subscriber Line (DSL)
Blue Boxing
23. 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.
Session Initiation Protocol (SIP)
Packet Filtering Firewall
Direct Sequence Spread Spectrum (DSSS)
IGMP
24. Malware attack that sends commands inside of an ICMP packet.
Bluejacking
Loki Attack
Integrated Services Digital Network (ISDN)
Session Initiation Protocol (SIP)
25. 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.
Wireless Application Protocol (WAP)
Asynchronous Transfer Mode (ATM)
Commonly used in logical bus - Ethernet - token ring.
Remote Access Servers
26. Both directions - both applications can send information at a time. Session Layer Communication Modes
FDDI-2
Open Relay
Coaxial Cables
Full-Duplex
27. 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.
Tree Topology
SOCKS Firewall
Frame Relay
802.11a
28. 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).
Fiber Distributed Data Interface (FDDI)
Multilevel Switching
Remote Access Servers
Screened Host Firewall
29. 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.
Noise
Service Set ID (SSID)
Spread Spectrum
Fiber-optic Cables
30. 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.
Stateful Firewall
Commonly used in FDDI.
OSI Layer 4: Transport Layer
Spam over Internet Telephony (SPIT)
31. Protocol that translates a MAC address into an IP address.
VLAN
Noise
Reverse Address Resolution Protocol (RARP )
Packet Filtering Firewall
32. Type of network layout that is a large geographical region connecting more that one LAN.
Spam over Internet Telephony (SPIT)
Application Proxy vs. Circuit Level
802.11i
Wide Area Network (WAN)
33. Wireless standard that will improve security of wireless communication
802.11i
Commonly used in Internet.
IGMP
ThinNet - aka 10base2
34. 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
Ethernet (802.3)
Metropolitan Area Network (MAN)
Commonly used in logical bus - Ethernet - token ring.
35. New variant to traditional email spam on VoIP networks.
Spam over Internet Telephony (SPIT)
Bastion Host
Application Proxy vs. Circuit Level
Direct Sequence Spread Spectrum (DSSS)
36. 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
Open System Authentication (OSA)
Commonly used in logical bus - Ethernet - token ring.
LLC (Logical Link Control - 802.2)
37. Type of wireless security standard that uses AES in CBC mode.
CBC-MAC Protocol (CCMP)
Layer 2 Tunneling Protocol (L2TP)
Multi-protocol Label Switching
Synchronous Optical Networks (SONETS)
38. 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.
Multi-protocol Label Switching
Service Set ID (SSID)
Dedicated Links
Asynchronous Transfer Mode (ATM)
39. Protocol that addresses vulnerabilities found in PAP. Uses challenge/response mechanism to authenticate the user instead of sending password.
Challenge Handshake Authentication Protocol (CHAP)
802.11i
Extensible Authentication Protocol (EAP)
IGMP
40. Protocol that is best-effort - connectionless - and does not sent acknowledgements.
Digital Subscriber Line (DSL)
Layers in the OSI Model
UDP
Bastion Host
41. 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.
Virtual Private Network (VPN)
Packet Switching
Kernel Proxy Firewall
Attenuation
42. SMTP server that is configured for sending email from any source to and destination.
Token Passing
Open Relay
DOS attacks from flooding
Shared Key Authentication (SKA)
43. Problems: Central device is a single point of failure.
High Level Data Link Control (HLDC)
Star Topology
802.16
Wireless Application Protocol (WAP)
44. Standard that outlines wireless personal area network (WPAN) technologies.
Blue Boxing
OSI Data encapsulation
Spread Spectrum
802.15
45. 7: Application - 6: Presentation - 5: Session - 4: Transport - 3: Network - 2: Data Link - 1: Physical - Remember 'All People Seem To Need Data Processing'
Synchronous Optical Networks (SONETS)
Carrier sense multiple access with collision detection (CSMA/CD)
Bridge
Layers in the OSI Model
46. Protocol based on the SDLC protocol - except it is an open protocol - supports full-duplex connections - and provides a higher throughput. It also provides polling - which enables secondary units to communicate with primary units.
Private Branch Exchange (PBX)
High Level Data Link Control (HLDC)
Multi-protocol Label Switching
Packet Filtering Firewall
47. 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
Switch
Bus Topology
Application Proxy vs. Circuit Level
OSI Layer 2: Data Link Layer
48. Type of ethernet implementation that uses twisted-pair copper wiring and transmits at 100Mbps.
10baseT
Coaxial Cables
Frame Relay
802.11i
49. Encapsulation protocol for telecommunication connections. Replaced SLIP and is ideal for connection different types of devices over serial lines.
X.25
Full-Duplex
Point-To-Point (PPP)
Loki Attack
50. 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)
Spread Spectrum
Serial Line Internet Protocol (SLIP)
Tree Topology